CN201079158Y - Drawer slide rail set - Google Patents

Abstract

The utility model relates to a drawer slide rail set, it assembles between a drawer and a drawer chamber, includes the preceding slide rail seat of a plastics system, the back slide rail seat of a plastics system and the guide rail strip of a plastics system, should preceding, back slide rail seat longitudinal separation arrange in alignment, and the centre is equipped with one respectively before, back spout, wherein the spout is tapered to the front end from the rear end of preceding slide rail seat before this, and this guide rail strip can embolia preceding, back slide rail seat in and around sliding, the utility model discloses preceding, back slide rail seat and guide rail strip's coefficient of friction and area of contact are less than current drawer slide rail set, so frictional force is less, and this preceding, back slide rail seat and guide rail strip can slide smoothly each other, and the drawer of this drawer slide rail set of equipment is more smooth and easy on dragging the use by this, also is difficult for producing unpleasant noise.

Description

drawer slide set

technical field

The utility model relates to a drawer slide rail set, in particular to a drawer slide rail set with small surface friction coefficient and smooth sliding.

Background technique

In order to facilitate people to store articles, a drawer that can be pulled back and forth is usually installed in the drawer chambers of storage appliances such as tables, lockers, and wardrobes. In order to make the drawer easy to pull and move in the drawer chamber, We set up a drawer slide rail group between the outer bottom surface of the drawer and the drawer chamber, so that the drawer can be easily moved in the drawer chamber.

As shown in Figure 9-11, wherein, the drawer slide rail set includes a slide rail seat 90 and a guide rail 80, a slide groove 91 is provided in the middle of the slide rail seat 90, and the groove section of the slide groove 91 is dove Tail-shaped, the groove width tapers toward the opening. The slide rail seat 90 is longitudinally arranged in the center of the outer bottom surface of the drawer. In addition, the guide rail 80 is an elongated convex strip, and its section is dovetail-shaped and matched In the chute 91, the guide rail 80 is longitudinally arranged in the center of the bottom surface of the drawer chamber. When assembling the drawer in the drawer chamber, the slide rail seat 90 of the drawer is aligned and inserted into the drawer chamber. The guide rail 80 of the chamber enables the drawer to be installed in the drawer chamber through the drawer slide rail assembly, and is also easy to pull and open the drawer.

However, the slide rail seat 90 and the guide rail 80 of the existing slide rail group are mainly made of miscellaneous wood, so its surface is relatively rough and the coefficient of friction is relatively large, so a large friction force will be generated in use, so that the The drawer cannot move flexibly in the drawer chamber, and the slide rail seat 90 and the guide rail bar 80 are likely to rub against each other during use, thereby producing unpleasant noises. In addition, the slide rail seat 90 and the guide rail bar 80 After cutting the miscellaneous wood into long strips, the subsequent molding process is carried out. In the molding process, the size control cannot be precise, and some dimensional errors are likely to occur, resulting in the sliding rail seat 90 and the guide rail. The bite of the bar 80 is poor, and in serious cases, the slide rail seat 90 cannot even be sleeved on the outside of the guide rail 80, and because of the size error, it is easy to generate noise in use or not smooth when pulling the drawer.

Utility model content

The main purpose of this utility model is to provide a drawer slide rail set, and it is hoped that the existing drawer slide rail set can be designed to improve the disadvantages of poor articulation and high friction, and improve the smoothness of drawer drawing and use.

In order to achieve the aforementioned purpose, the drawer slide rail set designed by the utility model includes:

A front slide rail seat made of plastic, with a front chute recessed in the middle, the width of the slot at the rear end of the front slide rail seat is greater than that at the front end and tapered toward the front end;

A rear slide rail seat made of plastic, which is arranged in a straight line with the front slide rail seat at intervals, and a rear chute is recessed in the middle; and

A guide rail bar made of plastic can be placed in the front and rear slide rail seats and slide forward and backward therein.

To sum up, the utility model drawer slide rail set has the following characteristics:

1. The friction force is small, and the use process is quiet and smooth: because the front and rear slide rail seats and guide rails of the utility model are made of plastic materials, the front and rear slide rail seats and guide rails The surface of the utility model is smoother than that of the existing miscellaneous wood, that is, the surface friction coefficient of the utility model is smaller than that of the existing miscellaneous wood, and the front and rear slide rail seats of the utility model are less than the existing slide rail seats. Section of the slide rail seat, that is, the total length of the front and rear slide rail seats is less than the existing slide rail seat, so the contact area between the front and rear slide rail seats and the guide rail is larger than that of the existing slide rail seat and the guide rail The contact area is small, so it can be seen that the friction force generated during the use of the utility model is small. Noise, so it is relatively quiet. In addition, the small friction force will reduce the wear of the front and rear slide rail seats and guide rails, and relatively improve the service life of the drawer slide rail set.

2. Accurate size, good occlusion and assembly: the utility model uses plastic materials to form and manufacture through molds, so the size control is relatively precise, so that the occlusion between the guide rail and the front and rear slide rail seats is better In addition, the groove width at the rear end of the front chute is larger than that at the front end and tapers toward the front opening, making it easier for the guide rail to slide into the front slide rail seat, so the assembly is also good, because the size is accurate and The bite is good, so the utility model is smoother and quieter in use.

3. Saving material cost: Compared with the prior art, the utility model saves the material cost of the middle section of the slide rail seat compared with the existing drawer slide rail set, so considerable material cost can be saved .

4. With the concept of environmental protection: At present, the environmental protection movement is advocated. In order to slow down the greenhouse effect, countries all over the world have reduced the felling of trees so that the earth can breathe. Therefore, this utility model replaces the existing drawer slide rail group with recyclable plastic materials. miscellaneous trees, so can reduce felling of forest trees, do one's best for protecting the earth, so the utility model has an environmental protection concept.

Description of drawings

Fig. 1: It is the three-dimensional exploded schematic view of the first preferred embodiment of the drawer slide rail set of the present invention.

Fig. 2 is a combined side sectional schematic diagram of the first preferred embodiment of the drawer slide rail set of the present invention.

Fig. 3 is a schematic cross-sectional view of the use state of the first preferred embodiment of the drawer slide rail set of the present invention.

Fig. 4 is a schematic diagram of the assembly and use of the first preferred embodiment of the drawer slide rail set of the present invention.

FIG. 5 : is a schematic side sectional view of the fourth figure.

Fig. 6 is a schematic cross-sectional view of the second preferred embodiment of the drawer slide rail set of the present invention.

Fig. 7 is a schematic cross-sectional view of the third preferred embodiment of the drawer slide rail set of the present invention.

Fig. 8 is a schematic cross-sectional view of the third preferred embodiment of the drawer slide rail set of the present invention.

Fig. 9 is an exploded perspective view of a preferred embodiment of the existing drawer slide rail set.

Fig. 10 is a combined side sectional schematic view of a preferred embodiment of the existing drawer slide rail set.

Fig. 11 is a schematic cross-sectional view of a preferred embodiment of an existing drawer slide rail set.

[Description of main component symbols]

(10) Front rail seat (11) Front chute

(20) Rear rail seat (21) Rear chute

(22) Bracket (23) Jacket part

(24) Guide piece (30) Guide rail

(31)Fixer (32)Separator

(40)Drawer (41)Bottom

(42) Front panel (43) Rear panel

(50) drawer compartment (80) guide rail

(90) Rail seat (91) Slide slot

Detailed ways

Please refer to Fig. 1-5, it is a preferred embodiment of the drawer slide rail set of the present invention, it is assembled between a drawer 40 and a drawer chamber 50, comprises a plastic front slide rail seat 10, a plastic A rear slide rail seat 20 made of plastics and a guide rail bar 30 made of plastics.

The middle of the bottom surface of the front slide rail seat 10 made of plastic is provided with a front slide groove 11, the groove width of the rear end of the front slide groove 11 is tapered toward the front end, wherein the front slide rail seat 10 is longitudinally arranged in the center of the outer bottom plate 41 of the drawer 40 , and is perpendicular to the front panel 42 of the drawer 40 , the front end of the front slide rail seat 10 abuts against the rear side of the front panel 42 of the drawer 40 .

The rear slide rail seat 20 made of plastic is arranged in a straight line with the front slide rail seat 10 at intervals, and a rear slide groove 21 is arranged in the middle of the bottom surface of the rear slide rail seat 20, wherein the rear slide rail seat 20 is longitudinally arranged on the outside of the drawer 40 Bottom plate 41 face center, this rear slide rail seat 20 rear end surface is flush with this drawer 40 rear plate 43 outer surfaces, and the groove section of this rear chute 21 is identical with the groove section of this front chute 11 front ends.

Wherein, the side of the rear slide rail seat 20 can still be provided with a blocking piece 22, when the drawer 40 is drawn, the blocking piece 22 can prevent the drawer 40 from being pulled out entirely, and the blocking piece 22 can be semicircular or rectangular Equivalent geometric shapes, the rear end of the rear slide rail seat 20 is recessed with a surrounding jacket portion 23 for providing a guide piece 24 jacket, and the guide piece 24 is a T-shaped sheet, which has a main body and The arms on both sides are bent and jacketed on the jacket part 23, and the main body is bent upwards and flatly attached to the outer surface of the rear plate 43 of the drawer 40, so that when the drawer 40 is pulled, the drawer 40 The rear panel 43 will not be disengaged, so that the rear panel 43 is stabilized and the rear panel 43 moves with the drawer 40 .

The guide rail bar 30 made of this plastic can be placed in the front and rear chute 11,21 of the bottom surface of the front and rear slide rail seats 10,20, and slide back and forth therein, and the guide rail bar 30 is longitudinally arranged on the In the center of the inner bottom surface of the drawer chamber 50, in a preferred embodiment of the present invention, the front and rear ends of the guide rail 30 are respectively provided with a perforation, so that the two fixing parts 31 can be inserted into the two perforations conveniently, and the The guide rail 30 is fixed in the drawer chamber 50, wherein the guide rail 30 can be a solid elongated body, or a hollow elongated body in order to save material, and further can A plurality of partitions 32 arranged at intervals are arranged in the hollow portion of the guide rail 30 to improve the supporting strength of the guide rail 30 .

Among the above, the front and rear slide rail seats 10, 20 and the guide rails 30 of the drawer slide rail set of the present invention can be formed by injection molding with plastic materials, so they have the advantages of relatively fine size, short forming time and high energy efficiency. , so that the front and rear slide rail seats 10, 20 and the guide rail 30 have a better bite, wherein the front and rear slide rail seats 10, 20 can be attached to the center of the outer bottom plate 41 of the drawer 40 with an adhesive , or be fixedly arranged on the center of the outer bottom plate 41 of the drawer 40 with a fixture.

As shown in Figure 1, it is the first preferred embodiment of the present utility model, the groove sections of the front and rear slide grooves 11, 21 are all arc-shaped, and the groove width tapers toward the opening, the guide rail 30 section The shape corresponds to the rear chute 21 , and a recess is formed on the top surface of the guide rail 30 , thereby reducing the contact area with the front and rear slide rail seats 10 , 20 .

As shown in Figure 6, it is a schematic cross-sectional view of the second preferred embodiment of the present utility model. The groove sections of the front and rear chute 11, 21 are all arc-shaped, and the groove width is all tapered toward the opening. The section shape of the bar 30 corresponds to the rear chute 21 .

As shown in Figure 7, it is a schematic cross-sectional view of a third preferred embodiment of the present invention, the groove sections of the front and rear chute 11, 21 are all cross-shaped, and the section shape of the guide rail 30 is a T-shaped, Can be inserted into the rear slide rail seat 20, and reduce the contact area with the front and rear slide rail seats 10,20.

As shown in Figure 8, it is a schematic cross-sectional view of the fourth preferred embodiment of the utility model. The groove sections of the front and rear chute 11, 21 are all dovetail-shaped, and the groove width tapers toward the opening. The guide rail 30 Section shape and rear chute 2

1 corresponding to each other, and the two sides of the top surface of the guide rail 30 each have an arc angle, thereby reducing the contact area between the guide rail 30 and the front and rear slide rail seats 10, 20.

In the above, because the friction force is related to the actual contact area, and the contact area between the front and rear slide rail seats 10, 20 and the guide rail bar 30 of the drawer slide rail set of the present utility model is smaller than that of the existing drawer slide rail set, so the The friction force that the front and rear slide rail seats 10, 20 slide on the guide rail bar 30 is relatively small.

It can be seen from the above that the front and rear slide rail seats 10, 20 are arranged on the outer bottom surface of the drawer 40, and the guide rail 30 is arranged in the drawer chamber 50. When the drawer 40 is to be placed in the drawer chamber 50, First align the rear end opening of the rear slide rail seat 20 of the drawer 40 with the guide rail 30 and push it in, then insert the front slide rail seat 10 of the drawer 40 into the guide rail 30 to form a smooth drag In addition, if it is a large drawer 40, at least one section of slide rail seat can be added between the front and rear slide rail seats 10,20.

To sum up, the drawer slide rail set of the present invention is made of plastic materials, and its surface friction is smaller than that of the existing miscellaneous wood, and the size can be precisely controlled during the manufacturing process, so the degree of assembly is better than that of the existing ones. The drawer slide rail group is good, and the contact area between the front and rear slide rail seats 10, 20 and the guide rail bar 30 is also smaller than the existing slide rail group, so the front and rear slide rail seats 10, 20 and the guide rail When the guide rails 30 interact with each other, the friction force between them is smaller than that of the existing drawer slide rail group, so when the drawer 40 is pulled, the drawer 40 can move smoothly, and no unpleasant noise will be generated during the sliding process. The total length of the front and rear slide rail seats 10 and 20 of the utility model is less than the length of the existing slide rail seat, so the cost of the next part of the manufacturing materials can be saved, so the utility model has more industrial applicability than the existing drawer slide rail set .

Claims (9)

1. a drawer sliding rail group is characterized in that, comprises:

One plastic preceding slide track seat is concaved with a preceding chute in the middle of it, this preceding slide track seat rear end slot is wider than front end and past front end convergent;

One plastic aft ramp seat, it is spaced in line with being somebody's turn to do preceding slide track seat, and is concaved with a back chute in the middle of it; And

One plastic guide rail, it can be placed in the chute of forward and backward slide track seat, and slides before and after wherein.

2. drawer sliding rail group as claimed in claim 1 is characterized in that, this guide rail is the elongate body that an inside is hollow form, is provided with several spaced dividing plates in this hollow bulb.

3. drawer sliding rail group as claimed in claim 1 is characterized in that, this aft ramp base rear end portion is provided with a chuck portion for a guide card chuck, and this guide card is a T font lamellar body, it has a main body and two side arms, and this two side arms bending chuck is in this chuck portion, and this main body can upwards bend.

4. as each described drawer sliding rail group among the claim 1-3, it is characterized in that this aft ramp seat side is provided with a catch.

5. drawer sliding rail group as claimed in claim 4 is characterized in that, the forward and backward end of this guide rail all is provided with a perforation.

6. drawer sliding rail group as claimed in claim 5 is characterized in that the channel section of this forward and backward chute is all circular-arc, and groove width is toward the opening convergent, and this guide rail section configuration is corresponding with the back chute, and this guide rail end face is concaved with a recess.

7. drawer sliding rail group as claimed in claim 5 is characterized in that the channel section of this forward and backward chute is all circular-arc, and groove width is toward the opening convergent, and this guide rail section configuration is corresponding with the back chute.

8. drawer sliding rail group as claimed in claim 5 is characterized in that, the channel section of this forward and backward chute is a cross, and this guide rail section configuration is a T font.

9. drawer sliding rail group as claimed in claim 5 is characterized in that, the channel section of this forward and backward chute is a turtledove shape, and groove width is toward the opening convergent, and this guide rail section configuration is corresponding with the back chute, and this guide rail top dual-side respectively is an arc chord angle.

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