CN111053383A

CN111053383A - Single-gear type guide mechanism for drawing drawer

Info

Publication number: CN111053383A
Application number: CN202010054019.XA
Authority: CN
Inventors: 蔡耿锡; 伦锴成; 李艳荣; 周韶华; 刘承贵
Original assignee: Guangdong Saca Precision Manufacturing Co Ltd
Current assignee: Guangdong Saca Precision Manufacturing Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-04-24
Also published as: WO2021143035A1; EP4088618A1; EP4088618A4

Abstract

The invention discloses a single-gear type guide mechanism for drawing a drawer, which comprises a fixed rail assembly, a movable rail assembly and a middle rail assembly, wherein sliding assemblies are arranged in clamping interlayers of the fixed rail assembly and the middle rail assembly, and clamping interlayers of the middle rail assembly and the movable rail assembly; the invention adopts a gear meshing connection mode to drive and connect the multiple sections of guide rails, can realize smooth linkage, reduces the noise when the slide rail is opened or closed and the whole opening or closing acting force is uniform, and has better use experience.

Description

Single-gear type guide mechanism for drawing drawer

Technical Field

The invention particularly relates to a drawer guide rail device, in particular to a single-gear type guide mechanism for drawing a drawer.

Background

The drawer that the slide rail was hidden to the installation three section is opened or is closed the in-process, and the drawer is pulled out or is closed the in-process, and pull out power or close drawer power inhomogeneous and speed inconsistent, at the drawer in operation process, speed is inhomogeneous moreover, can produce the abnormal sound and experience for user's use not good.

Therefore, there is a need for a multi-sectional drawer guide assembly that maintains substantially uniform speed and force and reduces noise during opening and closing of the drawer.

Disclosure of Invention

The present invention is directed to a single-pinion guiding mechanism for drawing a drawer, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a single gear type guide mechanism for drawing a drawer comprises a fixed rail component, a movable rail component and a middle rail component, the fixed rail component is slidably clamped with the middle rail component, the middle rail component is slidably clamped with the movable rail component for fixing with the drawer, sliding components are arranged in the clamping interlayer of the fixed rail component and the middle rail component and in the clamping interlayer of the middle rail component and the movable rail component, a movable rail rack is fixed on the movable rail component, a synchronous gear is fixed on the middle rail component in a rotating way, one end of the synchronous gear is meshed with the rack wall of the movable rail rack, the other end of the synchronous gear is meshed with the fixed rail rack, the fixed rail rack is fixed on the fixed rail assembly, and the fixed rail rack and the movable rail rack are parallel to each other and arranged along the sliding direction of the movable rail assembly and the middle rail assembly.

Further scheme: the sliding assembly comprises an upper ball nest assembly and a lower ball nest assembly, the upper ball nest assembly is in sliding clamping connection between the movable rail assembly and the middle rail assembly, the lower ball nest assembly is in sliding clamping connection between the fixed rail assembly and the middle rail assembly, the upper ball nest assembly and the lower ball nest assembly are uniformly distributed on the surface of the ball nest assembly respectively and are vertically communicated, and balls which are respectively in rolling connection with the inner wall of the interlayer of the movable rail assembly and the middle rail assembly and are in rolling connection with the inner wall of the interlayer of the fixed rail assembly and the inner wall of the interlayer of the middle rail assembly are fixed in the ball groove in.

Further scheme: the fixed rail assembly is provided with a supporting wheel which is used for sliding and supporting the movable rail assembly in a rotating and fixed mode, and the supporting wheel is installed on the fixed rail assembly along the moving direction of the movable rail assembly at intervals.

Further scheme: the fixed rail subassembly includes mounting panel, backup pad and joint board, the mounting panel is fixed on the cell wall in the drawer groove of the cabinet body, and the backup pad is being fixed to the bottom level of mounting panel, the vertical joint board of being fixed of the end of extending of backup pad, the joint board top is equipped with the horizontal hem that is used for propping up middle rail subassembly.

Further scheme: middle rail subassembly cover is established on the joint board, movable rail subassembly cover is established on the top surface of middle rail subassembly and front and back lateral wall, middle rail subassembly inner wall and joint board lateral wall, the top surface and the bottom surface of joint board hem all are equipped with the slip subassembly, movable rail subassembly and the top surface of middle rail subassembly and front and back outer wall all are equipped with the slip subassembly.

Compared with the prior art, the invention has the beneficial effects that: the invention adopts a gear meshing connection mode to drive and connect the multiple sections of guide rails, can realize smooth linkage, reduces the noise when the slide rail is opened or closed and the whole opening or closing acting force is uniform, and has better use experience.

Drawings

Fig. 1 is a schematic view of a single-pinion guide for drawing a drawer.

Fig. 2 is a bottom view of the single-pinion guide side bottom of the drawer extension.

Fig. 3 is a plan view of the top of the single-pinion guide with the drawer extended.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a top side plan view of a drawer pull single gear guide installed in a drawer and chest drawer slot.

Fig. 6 is a bottom side view of a drawer pull single gear guide installed in a drawer and cabinet drawer slot.

Fig. 7 is a schematic structural view of a single-pinion type guide mechanism for drawing the drawer (embodiment 2).

In the figure: the device comprises a fixed rail assembly 1, a fixed rail rack 10, a mounting plate 11, a support plate 12, a clamping plate 13, a movable rail assembly 2, a movable rail rack 20, an upper ball nest assembly 3, a ball groove 30, a ball 31, a middle rail assembly 4, a synchronous gear 40, a lower ball nest assembly 5, a support wheel 6 and a buffer assembly 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, in an embodiment of the present invention, a single-pinion type guiding mechanism for drawing a drawer includes a fixed rail assembly 1, a movable rail assembly 2, and a middle rail assembly 4, wherein the fixed rail assembly 1 is slidably engaged with the middle rail assembly 4, the middle rail assembly 4 is slidably engaged with the movable rail assembly 2 for fixing to the drawer, sliding assemblies are disposed in a clamping interlayer of the fixed rail assembly 1 and the middle rail assembly 4, and a clamping interlayer of the middle rail assembly 4 and the movable rail assembly 2, a movable rail rack 20 is fixed on the movable rail assembly 2, a synchronizing gear 40 is fixed on the middle rail assembly 4 in a rotating manner, one end of the synchronizing gear 40 is engaged with a tooth wall of the movable rail rack 20, the other end of the synchronizing gear 40 is engaged with the fixed rail rack 10, the fixed rail rack 10 is fixed on the fixed rail assembly 1, the fixed rail rack 10 and the movable rail rack 20 are parallel to each other and arranged along the sliding direction of the movable rail assembly 2 and the middle rail assembly 4.

The sliding component comprises an upper ball nest component 3 which is clamped between the movable rail component 2 and the middle rail component 4 in a sliding way and a lower ball nest component 5 which is clamped between the fixed rail component 1 and the middle rail component 4 in a sliding way, the surfaces of the upper ball nest component 3 and the lower ball nest component 5 are respectively provided with a ball groove 30 which is communicated up and down, the ball groove 30 internal rotation is fixed with respectively with

movable rail subassembly

2 and 4 intermediate layer inner walls of middle rail subassembly roll and meet, the ball 31 that fixed rail subassembly 1 and 4 intermediate layer inner walls of middle rail subassembly roll and meet, the ball 31 that sets up is with between 1 outer wall of fixed rail subassembly and the 4 inner walls of middle rail subassembly, the slip support is got up between 2 inner walls of movable rail subassembly and the 4 outer walls of middle rail subassembly, it can overlap and establish at 1 enterprising line slip to guarantee middle rail subassembly 4, it can overlap and establish and slide on middle rail subassembly 4 to guarantee movable rail subassembly 2.

Fixed rail subassembly 1 is gone up to rotate fixed mounting and is had supporting wheel 6 that is used for sliding support movable rail subassembly 2, supporting wheel 6 is installed on fixed rail subassembly 1 along 2 direction of motion intervals of movable rail subassembly, and the stationarity when movable rail subassembly 2 slides can be improved to the supporting wheel 6 of setting.

Fixed rail subassembly 1 includes mounting panel 11, backup pad 12 and joint board 13, mounting panel 11 is fixed on the cell wall in the drawer groove of the cabinet body, and backup pad 12 is being fixed to mounting panel 11's bottom level, the vertical joint board 13 of being fixed of the epitaxial end of backup pad 12, joint board 13 top is equipped with the horizontal hem that is used for propping up middle rail subassembly 4, and the mounting panel 11 of setting is used for fixing fixed rail subassembly 1 monolithic, and backup pad 12 is used for providing the installation holding surface of movable rail subassembly 2 and middle rail subassembly 4, joint board 13 be used for with middle rail subassembly 4 slip joint.

Middle rail subassembly 4 cover is established on

joint board

13, 2 covers of activity rail subassembly are established on the top surface of middle rail subassembly 4 and front and back lateral wall, the top surface and the bottom surface of middle rail subassembly 4 inner wall and 13 lateral walls of joint board, 13 hems of joint board all are equipped with the slip subassembly, the top surface of activity rail subassembly 2 and middle rail subassembly 4 and front and back outer wall all are equipped with the slip subassembly.

The top of the support plate 12 is mounted with a cushioning assembly 7.

The working principle of the invention is as follows: during the in-service use, fixed rail subassembly 1 is installed on the both sides cell wall in the drawer groove of the cabinet body, movable rail subassembly 2 is fixed in drawer bottom surface both sides, wherein the design has fixed rack 10 on the fixed rail subassembly 1, the design has synchronous gear 40 on the middle rail subassembly 4, the design has movable rail rack 20 on the movable rail subassembly 2, when drawer pull movable rail subassembly 2 moves, movable rail rack 20 on the movable rail subassembly 4 drives synchronous gear 40 on the middle rail subassembly 4 and rotates, synchronous gear 40 on the middle rail subassembly 4 again with the fixed rail rack 10 meshing on the fixed rail subassembly 1, thereby promote middle rail subassembly 4 and move with movable rail subassembly 2 half's speed, the noise when so reaching the reduction slide rail and opening or closing and the whole effort of opening or closing is even, make it have better use experience.

Example 2

Referring to fig. 7, the difference between the present embodiment and embodiment 1 is:

the movable rack 20, the synchronizing gear 40 and the fixed rack 10 are installed in the area close to the inner side of the clamping plate 13, the bottom edge of the inner side wall of the middle rail assembly 4 is slidably supported on the top surface of the movable rack 20, the arrangement of the supporting wheel 6 is reduced, the movable rack 20, the synchronizing gear 40 and the fixed rack 10 move towards one side of the mounting plate 11, the whole pressure applied to the fixed rail assembly 1 moves towards one side of the mounting plate 11, the supporting plate 12 is prevented from being deformed by the gravity of the drawer, the durability of the fixed rail assembly 1 is improved, and the arrangement of the mounting assembly is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A single-gear type guide mechanism for drawing a drawer comprises a fixed rail assembly (1), a movable rail assembly (2) and a middle rail assembly (4), wherein the fixed rail assembly (1) is slidably clamped with the middle rail assembly (4), and the middle rail assembly (4) is slidably clamped with the movable rail assembly (2) for fixing the drawer;

its characterized in that, fixed rail subassembly (1) with in the intermediate rail subassembly (4) joint presss from both sides the in situ middle rail subassembly (4) with movable rail subassembly (2) joint all is equipped with the slip subassembly in pressing from both sides the in situ, be fixed with movable rail rack (20) on movable rail subassembly (2), fixed rotation is fixed with synchronizing gear (40) on intermediate rail subassembly (4), synchronizing gear (40) one end meets with movable rail rack (20) tooth wall meshing, the other end and the meshing of fixed rail rack (10) of synchronizing gear (40) meet, fixed rail rack (10) are fixed on fixed rail subassembly (1), fixed rail rack (10) and movable rail rack (20) are parallel to each other and set up along movable rail subassembly (2) and intermediate rail subassembly (4) slip direction.

2. The single-gear type guide mechanism for drawing the drawer according to claim 1, wherein the sliding assembly comprises an upper ball nest assembly (3) slidably clamped between the movable rail assembly (2) and the middle rail assembly (4) and a lower ball nest assembly (5) slidably clamped between the fixed rail assembly (1) and the middle rail assembly (4), the upper ball nest assembly (3) and the lower ball nest assembly (5) are respectively provided with a ball groove (30) which is through up and down on the plate surface, and balls (31) which are respectively in rolling connection with the inner walls of the interlayers of the movable rail assembly (2) and the middle rail assembly (4) and are respectively in rolling connection with the inner walls of the interlayers of the fixed rail assembly (1) and the middle rail assembly (4) are rotatably fixed in the ball grooves (30).

3. The single-pinion guide mechanism for drawing drawers as claimed in claim 1, wherein the fixed rail assembly (1) is rotatably and fixedly provided with support wheels (6) for slidably supporting the movable rail assembly (2), the support wheels (6) being mounted on the fixed rail assembly (1) at intervals along the moving direction of the movable rail assembly (2).

4. The single-gear guide mechanism for drawing the drawer according to any one of claims 1 to 3, wherein the fixed rail assembly (1) comprises a mounting plate (11), a supporting plate (12) and a clamping plate (13), the mounting plate (11) is fixed on the wall of a drawer groove of the cabinet body, the supporting plate (12) is horizontally fixed at the bottom of the mounting plate (11), the clamping plate (13) is vertically fixed at the extending end of the supporting plate (12), and a horizontal folded edge for supporting the middle rail assembly (4) is arranged at the top of the clamping plate (13).

5. The single-gear type guide mechanism for drawing the drawer according to claim 4, wherein the middle rail assembly (4) is sleeved on the clamping plate (13), the movable rail assembly (2) is sleeved on the top surface and the front and rear side walls of the middle rail assembly (4), sliding assemblies are arranged on the inner wall of the middle rail assembly (4), the side walls of the clamping plate (13), the top surface and the bottom surface of the folded edge of the clamping plate (13), and sliding assemblies are arranged on the top surface and the front and rear outer walls of the movable rail assembly (2) and the middle rail assembly (4).