TW201934045A - Inner rail locking mechanism of slide rail capable of preventing pinching people by accidental touching to greatly enhance usage safety - Google Patents

Abstract

Disclosed is an inner rail locking mechanism of slide rail, which comprises a stopping sheet, a mounting portion, a blocking elastic sheet, and an actuating portion. In which, the stopping sheet is protruded from the surface of an outer rail relative to a middle rail. The mounting portion is disposed on the surface of the middle rail. One end of the blocking elastic sheet is movably pivoted with the mounting portion, and the other end is respectively configured with a guiding portion and a blocking portion on two surfaces of the blocking elastic sheet, respectively. The center of the blocking elastic sheet is configured with an elastic portion. The recovery elastic force from the elastic portion by abutting against the mounting portion may enable the blocking portion to be firmly abutted against the stopping sheet, so as to form a locking state. The actuating portion is disposed on the surface of the inner rail corresponding to the position of the guiding portion. Thus, the actuating portion may be abutted against the guiding portion to change the position of the blocking elastic sheet to form an unlocked state, so as to prevent pinching people by accidental touching during usage.

Description

Inner rail locking mechanism in slide rail

The creation is the field of furniture accessories, especially an inner rail locking mechanism in the slide rail, which can prevent the situation of pinching and injury due to accidental contact when the drawer of the furniture is opened and used, and greatly improve the safety during use. By.

Common furniture in common households, such as desks and various cabinets, is mostly provided with a drawer structure for horizontal opening / closing purposes for neat storage purposes. In order to make the drawer more labor-saving and smooth during use, a slide rail structure is usually provided between a drawer and a body. Taking the common three-segment slide rail as an example, it usually consists of an outer rail, a middle rail, a An inner rail and a plurality of sliding elements are formed, the outer rail is used for fixed installation on the body, the middle rail and the inner rail are sequentially arranged in the outer rail through the sliding elements, so that the inner rail and The middle rail can make a reciprocating push-pull motion relative to the outer rail along the same axis direction as the main means for opening / closing the drawer.

Although the slide rail structure can make the drawer more labor-saving and smoother in use, it also causes additional problems, that is, it is easy to be collapsed due to accidental impact or contact after opening, and it can be closed. The drawer may still be pinched during the closing process because the drawer is still in use. According to the current design of the slide rails, most of them are designed for convenient and smooth use, including gas-hydraulic pressure-assisted slow closing, and the use of elastic elements to provide a design that can pop up after pressing, etc., but for the design to prevent accidental contact and injury But very few, so today, using this Cases of pinch injuries caused by similar slide rails are still heard.

In view of this, the author devoted his efforts to researching an inner rail locking mechanism in a slide rail, in the hope that the most simplified mechanism can form a lock between the inner rail and the middle rail, and not affect the use efficiency. In the case, it solves the situation that would originally pinch people, and can effectively improve its smoothness and stability when used.

One of the purposes of this creation is to provide an inner rail locking mechanism in a slide rail, which utilizes a blocking spring piece, a locking piece provided on the surface of the outer rail, and a moving part provided on the inner rail. The mutual relationship is formed to enable the blocking elastic to perform operations such as locking and unlocking, so as to ensure that the slide rails are not accidentally injured due to accidental contact during use, and the structure design does not increase. Too much manufacturing cost and no need to change operating habits, it is a very easy to accept and convenient design for the user.

In order to achieve the above purpose, the inner rail locking mechanism of the slide rail in this creation, wherein the slide rail includes an inner rail, a middle rail, an outer rail and a plurality of sliding elements, the outer rail is fixed on the furniture, and The horizontal moving direction of the inner rail and the middle rail pulled outward is defined as a positive direction. The middle inner rail locking mechanism is used to avoid accidental contact and collapse when in use. The middle inner rail locking mechanism includes: a locking piece, a The integrally formed bending method is used to protrude on the surface of the outer rail, and the locking piece is located on one side corresponding to the middle rail; a mounting portion is provided on the surface of the middle rail; and a blocking spring piece has one end A pivot hole is provided and is movably pivoted to the mounting portion. The other end of the blocking elastic piece is provided with a guiding portion and a blocking portion, respectively. The guiding portion and the blocking portion are respectively protruding from the blocking elastic piece two. Surface, the guide portion extends obliquely, and the blocking portion corresponds to the position of the locking piece. The elastic portion is provided at the central part of the blocking elastic piece, and the elastic portion abuts the restoring elastic force of the mounting portion. The block The stopper actually abuts against the locking piece, so that the slide rail is pulled out to form a locked state; and a moving part is integrally formed and protruded on the surface of the inner rail, so that the moving part corresponds to the stopper piece. The position of the guide portion; during operation, the actuating portion abuts against the guide portion along the moving direction, so that the blocking elastic piece changes position and cannot be pressed against the locking piece to form an unlocked state.

In an embodiment, most of the components of this creation are made by stamping and bending, and various components are directly integrally formed on the original material. For example, the installation portion of this creation is made by stamping and forming the interval settings. A pivoting portion and a perforation, and a top abutment portion and a limiting portion are provided inside the perforation corresponding to the blocking elastic piece. In addition, the inner rail locking mechanism of the slide rail in this creation further has a stopper and a projection, the stopper is provided at one end corresponding to the positive direction of the middle rail, and the projection is provided on the corresponding inner rail. One end in the positive direction, and a bump portion is provided on the surface of the stopper corresponding to the bump. During the relative displacement of the middle rail and the inner rail, the bump will interfere with the bump to form a temporary lock. It should be noted that after actual verification, the height of the moving part is between 1mm and 1.5mm, and it interferes with the raised part to generate a blocking force of 30N ~ 50N.

In addition, the part of the locking piece protruding from the surface of the outer rail is in an inverted L-shape, and after blocking with the stopping portion, a blocking force of 300N is generated, and the top surface of the locking piece is opposite to the slide rail. Forming a second guiding inclined surface in the positive direction and forming a triangular shape can help the smoothness of the middle rail when it is pulled out.

1‧‧‧ rail

11‧‧‧Inner rail

12‧‧‧ Midrail

13‧‧‧ outer rail

14‧‧‧ sliding element

2‧‧‧Medium inner rail locking mechanism

21‧‧‧Stopper

211‧‧‧Second Guiding Bevel

22‧‧‧Mounting Department

221‧‧‧ Pivot

222‧‧‧perforation

223‧‧‧Top Arrival Department

224‧‧‧Limiting Department

23‧‧‧stop shrapnel

231‧‧‧ Pivot hole

232‧‧‧Guide

233‧‧‧stop

234‧‧‧Elastic section

24‧‧‧ Acting Department

25‧‧‧ stop

251‧‧‧Bulge

26‧‧‧ bump

FIG. 1 is a schematic structural diagram of a first perspective of a preferred embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a second perspective of a preferred embodiment of the creation.

FIG. 3 is a schematic diagram (1) of the state when the preferred embodiment of the creative is pulled out.

FIG. 4 is a schematic diagram of the state when the preferred embodiment of the invention is pulled out (2).

FIG. 5 is a schematic diagram (1) of a state when a preferred embodiment of the present invention is pushed in.

FIG. 6 is a schematic diagram of the state of the preferred embodiment of the creative when it is pushed in (2).

In order to make your reviewers understand the content of this creation clearly, please only use the following description with drawings, please refer to it.

Please refer to Figs. 1, 2 and 3 ~ 6, which are structural diagrams of various perspectives of the preferred embodiment of the creation, and state diagrams of various operations. As shown in the figure, the inner rail locking mechanism 2 of the slide rail 1 of the present creation, wherein the slide rail 1 includes an inner rail 11, a middle rail 12, an outer rail 13 and a plurality of sliding elements 14, the outer rail 13 is fixed to the furniture, and defines the horizontal moving direction of the inner rail 11 and the middle rail 12 pulled outward as a positive direction. The middle inner rail locking mechanism 2 is used to avoid accidental contact and collapse when using the middle inner rail. The locking mechanism 2 includes a locking piece 21, a mounting portion 22, a blocking elastic piece 23, and an operating portion 24.

Wherein, the locking piece 21 is formed on the surface of the outer rail by an integral molding bending method, so that the locking piece 21 extends to protrude from the surface of the outer rail 13, and the locking piece 21 protrudes from the outside. A part of the surface of the rail 13 is an inverted L-shape, and a top surface of the locking piece 21 forms a second guide inclined surface 211 with a triangular shape relative to the positive direction of the slide rail 1. The locking piece 21 is located on the outer rail. 13 and the middle rail 12.

The mounting portion 22 is provided on the surface of the middle rail 12, and the mounting portion 22 is formed by a punching method to form a pivot joint portion 221 and a perforation 222 spaced apart from each other, and the stopper piece 23 is corresponding to the inside of the perforation 222. A top abutment portion 223 and a limit portion 224 are provided. By using the design of the top abutment portion 223 and the limit portion 224, the swinging amplitude of the blocking elastic piece 23 can be controlled to reduce the movement. Damage caused by excessive operation or operational problems.

One end of the blocking spring piece 23 is provided with a pivot hole 231 and movably pivotally connected to the pivoting portion 221 of the mounting portion 22, and the other end of the blocking spring piece 23 is provided with a guide portion 232 and a blocking portion 233, respectively. The guide portion 232 and the stopper portion 233 are respectively protruded from the two surfaces of the stopper elastic piece 23, the guide portion 232 is arranged to extend obliquely, and the position of the stopper portion 233 corresponding to the stopper piece 21, and An elastic portion 234 is integrally formed in the central portion of the blocking elastic piece 23 by stamping. Therefore, after the blocking elastic piece 23 is installed on the mounting portion 22, the elastic portion 234 will abut against the blocking portion. 223, and the stopping elastic portion 233 can be driven to abut against the locking piece 21 by the returning elastic force of the elastic portion 234, and then the slide rail 1 is pulled out to form a locked state. After actual experiments by the creator, The blocking piece 21 and the blocking portion 233 engage with each other to generate a blocking force of 300N. Such blocking force can be regarded as almost impossible to collapse the slide rail 1 without special force. Naturally, it can also be avoided. The problem of injuring people by collapsing inward due to accidental touch.

In addition, the actuating portion 24 is integrally formed on the surface of the inner rail 11 by press molding, so that the actuating portion 24 corresponds to the position of the guide portion 232 of the blocking spring 23; therefore, when the folding operation is performed The actuating portion 24 abuts against the guide portion 232 along the moving direction, so that the blocking elastic piece 23 changes position and cannot abut against the locking piece 21 to form an unlocked state. The operation is quite intuitive, and it is original with the slide rail. The operation method is the same, but during the folding process, because it is not a direct folding, but a continuous mechanism to produce a folding action, in a short time, people have the opportunity to move their hands out of the drawer without being pinched.

In addition, the middle and inner rail locking mechanism 2 of the present creation further has a stopper 25 and a projection 26. The stopper 25 is provided at one end corresponding to the positive direction of the middle rail 12, and the projection 26 is provided at the corresponding end. One end of the inner rail 11 faces in the positive direction, and the surface of the stopper 25 is provided corresponding to the bump 26. A bulge 251. It should be noted that the design of the bulge 251 is slightly inverted V-shaped in cross-section, so inclined areas are formed on the two sides, and the relative displacement is performed on the middle rail 12 and the inner rail 11. In this embodiment, the bump 26 will interfere with the raised portion 251 to form a temporary locking effect. In this embodiment, the height of the actuating portion 24 in this creation is between 1 mm and 1.5 mm, and the raised portion 251 is mutually After the interference, a blocking force of 30N ~ 50N is generated, and it can be used as a secondary locking method for auxiliary locking. Although it cannot provide a large blocking force to resist the collapse, it will be blocked during the collapse. The resulting collapse can effectively remind, but also avoid affecting the smoothness during use.

To sum up, this creation can surely generate a two-stage locking effect when the drawer is pulled outwards or pushed inwardly to prevent the drawer from being pushed inwardly and retracted by mistake or misoperation. The dilemma of hurting the hands, and this creation will not affect the original operation mode, which is a very practical design for the product. In addition, this creation mostly adopts the one-piece manufacturing method, which does not increase the cost of materials. Therefore, the locking design can be completed under simplified parts. Therefore, the effects of reducing manufacturing costs and assembly costs can be taken into account. Important design concepts.

However, the above are only the preferred embodiments of this creation, and are not intended to limit the scope of implementation of this creation. Therefore, those who have ordinary knowledge in the technical field or are familiar with this technology make equivalent or easy Those who change, without departing from the spirit and scope of this creation, should make equal changes and modifications, which should be covered by the scope of this creation's patent.

Claims (6)

An inner rail locking mechanism for a slide rail, wherein the slide rail includes an inner rail, a middle rail, an outer rail, and a plurality of sliding elements, the outer rail is fixed on the furniture, and the inner rail and the middle rail are defined The horizontal moving direction pulled outward is positive direction. The middle and inner rail locking mechanism can avoid collapsing when in use. The middle and inner rail locking mechanism includes: a locking piece, which is convex by the integral bending method. It is provided on the surface of the outer rail, and the locking piece is located on one side corresponding to the middle rail; a mounting portion is provided on the surface of the middle rail; a blocking spring piece is provided with a pivot hole at one end to move the pivot Connected to the mounting portion, the other end of the blocking elastic piece is provided with a guide portion and a blocking portion, respectively. The guiding portion and the blocking portion are respectively convex on the two surfaces of the blocking elastic piece, and the guiding portion is oblique. It is extended, and the position of the blocking portion corresponding to the blocking piece is provided with an elastic portion at the central portion of the blocking elastic piece, and the blocking portion actually abuts against the restoring elastic force of the mounting portion by the elastic portion. The locking piece forms a locked state after the slide rail is pulled out; and The moving part is integrally formed and protruded on the surface of the inner rail, so that the moving part corresponds to the position of the guide part of the blocking elastic piece; during operation, the moving part abuts against the guide part along the moving direction, so that the The blocking elastic piece changes its position and cannot abut against the blocking piece to form an unlocked state. According to the inner rail locking mechanism of the slide rail described in item 1 of the scope of the patent application, wherein the mounting portion is made of a pivot joint portion and a perforation that are spaced apart by stamping, and correspondingly blocks the interior of the perforation. The stopper piece is provided with a top abutting portion and a limiting portion. According to the inner rail locking mechanism of the slide rail described in item 2 of the scope of the patent application, there is a stopper and a protrusion, the stopper is provided at one end corresponding to the positive direction of the middle rail, and the protrusion is provided at Should One end of the inner rail faces in the positive direction, and a bump is provided on the surface of the stopper corresponding to the bump. During the relative displacement of the middle rail and the inner rail, the bump interferes with the bump to form The effect of temporary lock. According to the inner rail locking mechanism of the slide rail described in item 3 of the scope of the patent application, wherein the height of the actuating portion is between 1 mm and 1.5 mm, and it interferes with the raised portion to generate a blocking force of 30 N to 50 N. According to the inner rail locking mechanism of the slide rail described in item 4 of the scope of patent application, wherein the part of the locking piece protruding from the surface of the outer rail is in an inverted L shape, and is locked with the stopper Generates a blocking force of 300N. According to the inner rail locking mechanism of the slide rail described in item 5 of the scope of the patent application, wherein the top surface of the locking piece forms a second guide inclined surface with a triangular shape relative to the positive direction of the slide rail.