WO2016141634A1

WO2016141634A1 - Slide rail structure for dish-washing machine

Info

Publication number: WO2016141634A1
Application number: PCT/CN2015/079795
Authority: WO
Inventors: 刘克生
Original assignee: 泛亚电子工业(无锡)有限公司
Priority date: 2015-03-06
Filing date: 2015-05-26
Publication date: 2016-09-15
Also published as: CN104605803B; CN104605803A

Abstract

A slide rail structure for a dish-washing machine comprises an inner rail (3), an outer rail (1), and a middle rail (2) disposed between the inner rail (3) and the outer rail (1). Ball holders (6) are respectively mounted between the inner rail (3) and the middle rail (2) as well as between the middle rail (2) and the outer rail (1). Each ball holder (6) comprises a holder body (603). Two ends of each holder body (603) extend outwards respectively to form edgefolds (604), so that each holder body (603) and each edgefold (604) form a 'C'-shaped structure. A boss (602) extending outwards is formed in one side of each holder body (603). The thickness of a portion between the edgefolds (604) at two ends of each ball holder (6) is gradually decreased along the center of each ball holder (6). The slide rail structure is simple; the middle rail (2) is connected by a first connection member (202) and a second connection member (203) that are opposite to each other; the slippage travel is increased greatly; check blocks (201) are disposed in the middle rail (2), so that the slippage positioning of the middle rail (2) relative to the outer rail (1) and the slippage positioning of the inner rail (3) relative to the middle rail are implemented effectively, and the condition that the slide rail is separated is prevented.

Description

Description: A slide rail structure for a dishwasher

[0001] The present invention relates to a slide rail, and more particularly to a slide rail structure for a dishwasher.

Background technique

[0002] Slide rails are a widely used device, typically used to connect two items that can move relative to each other. At present, the existing slide rail structure for a dishwasher is usually a two-section slide rail composed of an inner rail and an outer rail connection, and the inner rail and the outer rail are coupled to each other by means of a ball cage so that the inner rail can be axially opposite Straight line slip on the middle rail.

technical problem

[0003] The above structure has the following disadvantages:

[0004] (1) The slip stroke is limited by the inner rail and the outer rail, and cannot meet the customer's travel request.

[0005] (2) There is no positioning device between the inner rail and the outer rail, so that the inner rail is linearly slid relative to the outer rail, and cannot be positioned at an appropriate position, so that the inner rail is prone to slip during and outside the slipping process. The situation of rail separation.

[0006] (3) The existing ball cages are made of plastic materials, which are prone to jamming during the sliding process of the slide rails. In addition, when the high temperature water in the dishwasher is disinfected, it is easy to cause Ball cage damage

, affecting its service life.

Problem solution

Technical solution

[0007] The present applicant has made research and improvement on the above existing problems, and provides a slide rail structure for a dishwasher, which can effectively avoid the occurrence of a jam in the drawing process, and the ball cage has resistance. The high temperature and high strength characteristics greatly improve the service life.

[0008] The technical solution adopted by the present invention is as follows:

[0009] A slide rail structure for a dishwasher, comprising an inner rail and an outer rail, a middle rail between the inner rail and the outer rail, between the inner rail and the middle rail, and the A ball cage is respectively disposed between the middle rail and the outer rail, and the ball cage comprises a frame body, and the flanges are outwardly extended at the two ends of the frame body to form a folded edge, so that the frame body and the folded edge are integrated Form a "C" shape with a plurality of balls on each flange for mounting the balls The hole is provided with an outwardly extending boss on one side of the frame body, and a thickness L1 between the folded edges of the ball cage gradually decreases along the center of the ball cage.

[0010] A further technical solution thereof is:

[0011] The middle rail is connected to the first connecting member and the second connecting member which are oppositely arranged with each other to form a "work" shape, and the first connecting member and the second connecting member are respectively engaged with each other. Group stop

[0012] a blocking portion is respectively disposed at both ends of the outer rail;

[0013] at least one of the set of stops is an end of the first connector or the second connector;

[0014] a plurality of spaced-apart through holes are formed in the middle rail and the inner rail, and the through holes are rectangular;

[0015] a first boss portion that is outwardly convex is also symmetrically disposed on a side surface of the inner rail, and the first boss portion has a groove on the side of the inner rail, and the two ends of the inner rail are bent inward to form a fold Bend

[0016] The base is symmetrically connected to the outer rail, the base is a waist shape, and the second boss portion is symmetrically disposed on one side of the base, and the second second boss portion is formed to be matched with the outer rail gap. a spacing, on the other side of the base, a waterproof rubber ring is also embedded at the two second boss portions;

[0017] the ball cage is made of polyacetal material, and the ball cage adopts a closed structure;

[0018] The second boss portion is integrally formed by a cylindrical portion and a right angle portion.

Advantageous effects of the invention

Beneficial effect

[0019] The invention has the advantages of simple structure and convenient use, and the middle rail is connected by two mutually opposite first connecting members and second connecting members, which greatly increases the slipping stroke, and the same is effective by arranging the stoppers on the middle rail. The sliding position of the middle rail relative to the outer rail and the inner rail relative to the middle rail is realized, and the occurrence of the slippage of the rail is prevented. In addition, the ball cage is made of polyacetal material, which has the advantages of high temperature resistance. In addition, the thickness of both ends of the ball cage is gradually decreased toward the center, which greatly improves the overall strength of the ball cage and prevents it from being pulled during the drawing process. In the case of jamming and breakage, a boss is provided on the ball cage to make it have high strength, which greatly improves the service life.

Brief description of the drawing

DRAWINGS

1 is a schematic view of an exploded structure of the present invention.

2 is a schematic structural view of the assembled structure of the present invention. 3 is a schematic structural view of a ball cage according to the present invention.

[0023] wherein: 1, the outer rail; 101, the blocking portion; 2, the middle rail; 201, the stopper; 202, the first connecting member; 203, the second connecting member; 3, the inner rail; 301, the bent portion; 302, first boss portion; 303, slot; 4, base; 41, second boss portion; 401, cylindrical portion; 402, right angle portion; 5, rivet; 6, ball cage; 6 01, ball mounting hole 602, boss; 603, frame; 604, flange; 7, through hole.

Embodiments of the invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [0024] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0025] As shown in FIG. 1 and FIG. 2, a slide rail structure for a dishwasher includes an inner rail 3 and an outer rail 1, and a blocking portion 101 is respectively disposed at both ends of the outer rail 1. A middle rail 2 is disposed between the inner rail 3 and the outer rail 1, a ball cage 6 is mounted between the inner rail 3 and the middle rail 2, and between the middle rail 2 and the outer rail 1, respectively, and the ball cage 6 is assembled Made of formaldehyde, the ball cage 6 also has a monolithic structure. As shown in FIG. 3, the ball cage 6 includes a frame body 603, and a flange 604 is formed outwardly at two ends of the frame body 603, so that the frame body 603 and the flange 604 form a "C" shape. The side 604 has a plurality of ball mounting holes 601 for mounting balls, and the ball mounting holes 601 are circular. An outwardly extending boss 602 is further disposed on one side of the frame body 603. The boss 602 is used to increase the overall strength of the ball cage 6, and the thickness L1 between the flange 604 of the ball cage 6 is along the ball cage 6. The center is gradually decreasing, and the design can effectively increase the strength of the ball cage 6 and increase its service life.

[0026] As shown in FIG. 1, the middle rail 2 is connected by a first connecting member 202 and a second connecting member 203 which are oppositely arranged with each other to form a "work" shape, in the first connecting member 202 and the second A pair of stoppers 201 are respectively engaged on the connecting member 203. At least one of the stops 201 in the set of stops 201 is at the end of the first connector 202 or the second connector 203. A plurality of spaced-apart through holes 7 are formed in the middle rail 2 and the inner rail 3, and the through holes 7 are rectangular. As shown in FIG. 1, the first boss portion 302 which is outwardly convex is also symmetrically arranged on the side surface of the inner rail 3. The first boss portion 302 is provided with a groove 303, and the two ends of the inner rail 3 are bent inward. A bent portion 301 is formed. The base 4 is also symmetrically connected to the outer rail 1, and the base 4 is of a waist shape. The second boss portion 41 is symmetrically arranged on one side of the base 4, and the second boss portions 41 are formed with a clearance gap with the outer rail 1. On the other side of the base 4, a waterproof rubber ring (not shown) is also fitted to the two second boss portions 41. The second boss portion is integrally connected by a cylindrical portion 401 and a right angle portion 402. [0027] The specific working process of the present invention is as follows:

[0028] As shown in FIG. 1 and FIG. 2, the base 4 is fixed to the outer rail 1 through a mounting hole (not shown) and a rivet 5, and the base 4 is also fixed to the inner wall of the dishwasher, and works. During the process, the first connecting member 202 is slidably moved to the right on the outer rail 1 by the ball cage 6, and is slid to the end surface of the ball retainer 6 to abut against the blocking portion 101, thereby realizing the middle rail 2 on the outer rail. The positioning on the first rail 3 is also slidable to the right by the ball cage 6 relative to the second connecting member 203. When the stopper 201 on the ball retainer 6 is moved, the inner rail 3 can be realized. With respect to the positioning of the middle rail 2, the maximum unfolding of the outer rail 1, the middle rail 2 and the inner rail 3 is thereby achieved, and during the reverse slip, the function of the blocking portion 101 is the same as that of the above-described slipping process.

Claims

Claim

[Claim 1] A slide rail structure for a dishwasher, comprising an inner rail (3) and an outer rail (1), characterized by: between the inner rail (3) and the outer rail (1) Device middle rail (2) on the inner rail

(3) a ball cage (6) is mounted between the middle rail (2) and the middle rail (2) and the outer rail (1), and the ball cage (6) includes a frame The body (603) extends outwardly at both ends of the frame body (603) to form a flange (604), so that the frame body (603) and the flange (604) form a "C" shape. Each of the flanges (604) has a plurality of ball mounting holes (601) for mounting balls, and an outwardly extending boss (602) is disposed on one side of the frame body (603), the balls are held The thickness L1 between the two ends of the frame (6) is gradually decreasing along the center of the ball cage (6).

[Claim 2] A slide rail structure for a dishwasher according to claim 1, wherein: the middle rail (2) is a first connecting member that is oppositely arranged with respect to each other by two slits ( 202) The second connecting member (203) is connected to form a "work" shape, and a pair of stoppers (201) are respectively engaged on the first connecting member (202) and the second connecting member (203).

[Claim 3] A slide rail structure for a dishwasher according to claim 1, characterized in that: a blocking portion (101) is respectively provided at both ends of the outer rail (1).

[Claim 4] A slide rail structure for a dishwasher according to claim 2, wherein: at least one of the set of stops (201) is a device connected to the first connection The end of the piece (202) or the second connector (203).

[Claim 5] A slide rail structure for a dishwasher according to claim 1, characterized in that: the middle rail (2) and the inner rail (3) are arranged at a plurality of intervals a through hole (7), the through hole (7) being rectangular.

[Claim 6] A slide rail structure for a dishwasher according to claim 1, characterized in that: a first boss protruding outwardly is also symmetrically arranged on a side of the inner rail (3) In the portion (302), the first boss portion (302) has a groove (303), and both ends of the inner rail (3) are bent inward to form a bent portion (301).

[Claim 7] A slide rail structure for a dishwasher according to claim 1, characterized in that: the base rail (4) is also symmetrically connected to the outer rail (1), the base (4) ) for the waist, located One side of the base (4) is symmetrically arranged with a second boss portion (41), and the two second boss portions (4 1) are formed with a clearance gap with the outer rail (1) at the base (4) On the other side, a waterproof rubber ring is also fitted to the two second boss portions (41).

[Claim 8] A slide rail structure for a dishwasher according to claim 1, wherein: the ball cage (6) is made of a polyacetal material, and the ball cage (6) ) Adopt a closed structure.

[Claim 9] A slide rail structure for a dishwasher according to claim 7, wherein: the second boss portion is formed by a cylindrical portion (401) and a right angle portion (402) One.