CN201182373Y

CN201182373Y - Three-folding telescopic ball bearing slide

Info

Publication number: CN201182373Y
Application number: CNU2008200461347U
Authority: CN
Inventors: 何镜添
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-10
Filing date: 2008-04-10
Publication date: 2009-01-21
Anticipated expiration: 2018-04-10

Abstract

The utility model relates to a triple folding telescopic roll ball slide rail, which is characterized in that the slide rail comprises an outer guide rail, a middle guide rail, an inner guide rail and a plurality of balls, wherein, the middle guide rail is embedded into the outer guide rail, the inner guide rail is embedded into the middle guide rail, and a ball limiting strip and a ball limiting frame are arranged between the middle guide rail and the outer guide rail as well as between the inner guide rail and the middle guide rail respectively, all balls are respectively embedded into the ball limiting strip and the ball limiting frame, and a guide rail limiting structure is also respectively disposed between the middle guide rail and the outer guide rail as well as between the inner guide rail and the middle guide rail. The slide rail has a rather long telescopic pulling distance, and can be applied to drawer-cabinets with rather big bearing and load-carrying capability and long length, as well as having the advantages of high structural strength and reasonable and simple structure; meanwhile, the slide rail effectively solves the problems of the current roll ball slide rail that the telescopic pulling distance is rather short, and the slide rail can not be applied to drawer-cabinets with rather long length.

Description

A kind of three roll over the pearl slide rail that stretches

Technical field

The utility model relates to a kind of pearl slide rail of walking.

Background technology

Walking the pearl slide rail is at present at the most widely used a kind of accessory of field of furniture.Existingly walk that the pearl slide rail is general only to be made of outer guide and the interior guide rail that is flush-mounted in the outer guide, its scalable pull distance is shorter.Thereby, generally can only be suitable on the furniture that some volumes are less, bearing value is less, as the Keyboard supporting board of computer desk, the drawer of desk, drawer of wardrobe or the like.Can't be applied in some storage drawers that the supporting lifting capacity is big, length is long cashier's office in a shop.Range of application and the suitable application area of walking the pearl slide rail like this, have greatly been limited.

The utility model content

The purpose of this utility model is to address the above problem and is not enough, provide a kind of scalable pull distance long, suitable supporting lifting capacity storage drawer big, that length is long cashier's office in a shop uses, and structural strength height, rational in infrastructure simple three is rolled over the pearl slide rail that stretches.

The technical solution of the utility model is achieved in that

A kind of three roll over the pearl slide rail that stretches, its characteristics are to comprise outer guide, middle guide, interior guide rail and plurality of balls, wherein said middle guide is flush-mounted in the outer guide, guide rail is flush-mounted in the middle guide in described, and between middle guide and outer guide and in be respectively arranged with ball positive stop strip and ball position-limited rack between guide rail and the middle guide, each ball is respectively in setting-in ball positive stop strip and the ball position-limited rack, and also is respectively equipped with the guide rail position limiting structure between guide rail and the middle guide in reaching between middle guide and outer guide.

For middle guide is had than high structural strength and big weight capacity, above-mentioned middle guide is made the upper and lower side plate of strengthening secondary side plate by arch floor that is trapezoidal shape and outside bending and is constituted, and makes the chute that slides for ball respectively on the sidewall of strengthening secondary side plate and upper and lower side plate.For further improving the structural strength and the weight capacity of middle guide, the side of the secondary side plate of above-mentioned reinforcement is bent into the flanging portion that is numeral ' 7 ' shape, and the edge of this flanging portion is close to the bottom side of the arch floor of middle guide.

The utility model is the pearl rail structure because three foldings that employing is made of outer guide, middle guide, interior guide rail and ball etc. stretch, make scalable pull distance of the present utility model longer, can be suitable for the storage drawer that the supporting lifting capacity is big, length is long cashier's office in a shop uses, but also has the structural strength height, rational in infrastructure, characteristic of simple; And it is shorter to solve the existing flexible pull distance of walking pearl slide rail place effectively, the problem of using on the special drawout cubicle of the storage that inapplicable length is long.Simultaneously, again owing to adopt the structure of making the secondary side plate of reinforcement at the upper and lower side plate of middle guide respectively, make the utility model need not change original Sheet Metal Forming Technology significantly and need not choose under the prerequisite that the sheet metal of big thickness processes, can stamped go out to have structural strength height, strong, the applied range of bearing value, make also that simultaneously the supporting lifting capacity of walking the pearl slide rail of assembling out is greatly improved, compare with existing rail guide piece, its supporting lifting capacity obtains the lifting more than a times.Thereby the pearl slide rail scope of application is widened significantly, can be applied to some large-scale storage drawers cashier's office in a shop.

Below in conjunction with accompanying drawing the utility model is further described:

Description of drawings

Fig. 1 is a plan structure schematic diagram of the present utility model.

Fig. 2 is that three rails of the present utility model fold cross section structure schematic diagram together.

Fig. 3 is the cross section structure schematic diagram of middle guide of the present utility model.

The specific embodiment

As shown in Figure 1, described in the utility model a kind of three roll over the pearl slide rail that stretches, it comprises outer guide 1, middle guide 2, interior guide rail 3 and plurality of balls 4, wherein said middle guide 2 is flush-mounted in the outer guide 1, guide rail 3 is flush-mounted in the middle guide 2 in described, and between middle guide 2 and outer guide 1 and in be respectively arranged with ball positive stop strip 5 and ball position-limited rack 6 between guide rail 3 and the middle guide 2, each ball is respectively in setting-in ball positive stop strip 5 and the ball position-limited rack 6, and also is respectively equipped with the guide rail position limiting structure between guide rail and the middle guide 2 in reaching between middle guide 2 and outer guide 1.Like this, make scalable pull distance of the present utility model longer, can be suitable for the storage drawer that the supporting lifting capacity is big, length is long and cashier's office in a shop use, but also have the structural strength height, rational in infrastructure, characteristic of simple; And it is shorter to solve the existing flexible pull distance of walking pearl slide rail place effectively, the problem of using on the special drawout cubicle of the storage that inapplicable length is long.For making outer guide 1 have characteristics simple in structure, that weight capacity is strong; as shown in Figure 2; the slot type guide rail that described outer guide 1 generally becomes base plate 11 and upper and lower side plate 12 to constitute by the moderate sheet metal punching out of a thickness; simultaneously; slide along straight path in order to be beneficial to ball 4, thereon, lower side panel 12 also makes the chute 13 that slides for ball 4 respectively.For middle guide is had than high structural strength and big weight capacity, as shown in Figure 3, described middle guide 2 is made the upper and lower side plate 22 of strengthening secondary side plate 23 by arch floor 21 that is trapezoidal shape and outside bending and is constituted; Simultaneously, do line sliding action well, and be convenient to outer guide 1 and interior guide rail 3, on it strengthens the sidewall of secondary side plate 23 and upper and lower side plate 22, make the chute 13 that slides for ball respectively by ball 4 slip setting-ins for making ball 4.For further improving the structural strength and the weight capacity of middle guide, and for example shown in Figure 3, the side of the secondary side plate 23 of described reinforcement is bent into the flanging portion 24 that is numeral ' 7 ' shape, the edge of this flanging portion 24 is close to the bottom side of the arch floor 21 of middle guide 2, makes middle guide 2 strengthen the support dynamics that secondary side plate 13 can strengthen its upper and lower side plate 12 by this.In order to be beneficial to the setting-in of ball position-limited rack 6 with interior guide rail 3, as Fig. 2 and shown in Figure 3, arch floor 21 side plates 22 upper and lower with it of described middle guide 2 are surrounded by the recess 25 of setting for ball position-limited rack 6.Meanwhile, can be convenient to for guide rail 3 in making on the side of fixing drawer, as shown in Figure 2, described in guide rail 3 be the slot type guide rail that constitutes by top board 31 and upper and lower side plate 32; Simultaneously, also make the chute 13 that slides for ball,, be beneficial to ball 4 setting-ins and slide so that it forms supporting chute structure with chute 13 on middle guide 2 outsides at the upper and lower side plate 32 of interior guide rail 3.The mounting means of ball positive stop strip 5 of the present utility model, ball position-limited rack 6 and ball 4 and its concrete structure and the existing eighty percent discount pearl slide rail that stretches is identical, so be not described further at this.Simultaneously, it is also identical with existing eighty percent discount stretch the structure of pearl slide rail to be provided with the guide rail position limiting structure between each guide rail, so also do not describe.

Claims

1, a kind of three roll over the pearl slide rail that stretches, it is characterized in that comprising outer guide (1), middle guide (2), interior guide rail (3) and plurality of balls (4), wherein said middle guide (2) is flush-mounted in the outer guide (1), guide rail (3) is flush-mounted in the middle guide (2) in described, and between middle guide (2) and outer guide (1) and in be respectively arranged with ball positive stop strip (5) and ball position-limited rack (6) between guide rail (3) and the middle guide (2), each ball is respectively in setting-in ball positive stop strip (5) and the ball position-limited rack (6), and also is respectively equipped with the guide rail position limiting structure between guide rail and the middle guide (2) in reaching between middle guide (2) and outer guide (1).

2, roll over the pearl slide rail that stretches according to claim 1 described three, it is characterized in that the slot type guide rail of above-mentioned outer guide (1) for being made of base plate (11) and upper and lower side plate (12), wherein upper and lower side plate (12) is also made the chute (13) that slides for ball (4) respectively.

3, roll over the pearl slide rail that stretches according to claim 1 described three, it is characterized in that the upper and lower side plate (22) that above-mentioned middle guide (2) is made the secondary side plate of reinforcement (23) by arch floor that is trapezoidal shape (21) and outside bending constitutes, and on the sidewall of strengthening secondary side plate (23) and upper and lower side plate (22), make the chute (13) that slides for ball respectively.

4, roll over the pearl slide rail that stretches according to claim 3 described three, the side that it is characterized in that the secondary side plate of above-mentioned reinforcement (23) is bent into the flanging portion (24) that is numeral ' 7 ' shape, and the edge of this flanging portion (24) is close to the bottom side of the arch floor (21) of middle guide (2).

5, roll over the pearl slide rail that stretches according to claim 3 described three, it is characterized in that arch floor (21) side plate upper and lower with it (22) of above-mentioned middle guide (2) is surrounded by the recess (25) of setting for ball position-limited rack (6).

6, roll over the pearl slide rail that stretches according to claim 1 described three, it is characterized in that the slot type guide rail of above-mentioned interior guide rail (3), and also make the chute (13) that slides for ball at the upper and lower side plate (32) of interior guide rail (3) for constituting by top board (31) and upper and lower side plate (32).