阅读说明：本技术 一种滑轨 (Sliding rail ) 是由 齐彦军 刘官 范耀先 刘俊杰 林俊峰 于 2019-10-15 设计创作，主要内容包括：本发明涉及一种滑轨。滑轨包括：安装板,用于与固定部件和相对固定部件前后滑动的滑动部件中的其中一个固定连接；第一导向件,固定在安装板上且折弯成型,与安装板围成沿前后方向延伸布置的导向凹槽；第二导向件,折弯成型,且用于与固定部件和滑动部件中的另一个固定连接,其上具有折弯后伸入到导向凹槽内的限位舌,该限位舌可在导向凹槽内来回滑动,以实现第二导向件相对第一导向件和安装板在前后方向上的相对滑动。本发明的滑轨中,第一导向件与安装板分体设置,且第一导向件和第二导向件均折弯形成,结构简单,无需开模加工,可降低整个滑轨的成本,而且还可确保整个滑轨尺寸的小型化。(The invention relates to a slide rail. The slide rail includes: a mounting plate fixedly connected to one of the fixed member and a sliding member sliding back and forth with respect to the fixed member; the first guide piece is fixed on the mounting plate, is bent and formed, and forms a guide groove extending in the front-back direction with the mounting plate; and the second guide piece is bent and formed, is fixedly connected with the other one of the fixed part and the sliding part, is provided with a limiting tongue which is bent and then extends into the guide groove, and can slide back and forth in the guide groove so as to realize the relative sliding of the second guide piece relative to the first guide piece and the mounting plate in the front and back direction. In the slide rail, the first guide part and the mounting plate are arranged in a split manner, and the first guide part and the second guide part are both formed by bending, so that the slide rail is simple in structure, does not need die sinking processing, can reduce the cost of the whole slide rail, and can ensure the miniaturization of the size of the whole slide rail.)

1. A slide rail, comprising:

a mounting plate fixedly connected to one of the fixed member and a sliding member sliding back and forth with respect to the fixed member;

the first guide piece is fixed on the mounting plate, is bent and formed, and forms a guide groove extending in the front-back direction with the mounting plate;

and the second guide piece is bent and formed, is fixedly connected with the other one of the fixed part and the sliding part, is provided with a limiting tongue which is bent and then extends into the guide groove, and can slide back and forth in the guide groove so as to realize the relative sliding of the second guide piece relative to the first guide piece and the mounting plate in the front and back direction.

2. The slide rail according to claim 1, wherein the first guide member is provided with two corresponding guide grooves and two corresponding limit tongues at intervals in the left-right direction, and the notches of the two guide grooves are arranged oppositely.

3. The slide rail according to claim 1 or 2, wherein the first guide member and the mounting plate are each provided with a through hole for fixedly connecting with the slide member.

4. The slide rail of claim 1 or 2 wherein the mounting plate is further provided with a rivet counterbore for securing the first guide member to the mounting plate.

5. The slide rail according to claim 1 or 2, wherein the first guide member has a fixed bending plate fixed on the mounting plate, and further has a vertical connecting plate, a parallel bending plate and a vertical bending plate which are sequentially bent outward, and a gap is provided between the vertical bending plate and the mounting plate, so that the mounting plate, the vertical connecting plate, the parallel bending plate and the vertical bending plate enclose a small-belly groove, and the small-belly groove is the guide groove.

6. The sliding track according to claim 5, wherein the edge of the vertical bending plate close to the mounting plate is provided with a wire protection tooth.

7. The sliding rail according to claim 1 or 2, wherein the edge of the limiting tongue extending into the guide groove is provided with a wire guard tooth.

8. The slide rail according to claim 1 or 2, wherein the second guide member has a fixed side wall plate disposed away from and parallel to the mounting plate and adapted to be fixedly connected to the other of the fixed member and the slide member, a vertical side wall plate bent toward the mounting plate, and a slide side wall plate disposed parallel to the mounting plate and extending into the guide groove to form the stopper tongue.

9. The slide rail according to claim 1 or 2, wherein one of the mounting plate and the second guide member is provided with two limiting protrusions, and the other is provided with one or two stopping protrusions which are in stopping fit with the limiting protrusions, so as to limit the sliding position of the sliding member relative to the fixed member in the front-rear direction.

10. The slide rail of claim 9 wherein the stop protrusion is integrally formed by bending the mounting plate and the stop protrusion is integrally formed by bending the second guide member.

Technical Field

The invention relates to a slide rail.

Background

The sliding rail is commonly applied to a device capable of bearing articles, is used for enabling two objects to slide relatively, and is mainly used for a drawer, a car seat or an electric cabinet.

The traditional slide rail that uses on the existing market mainly includes two kinds: one is that the supporting and fixing part adopts section bars or castings, grooves are arranged on the supporting and fixing part, and protrusions matched with the grooves are arranged on the sliding part, most of the supporting and fixing parts made of the section bars or castings need to be processed by molds, and the cost is high; the other is that a structure of steel balls or balls is adopted between the fixed part and the sliding part, and when the relative movement distance between the fixed part and the sliding part is longer, the number of the required steel balls or balls is larger, so that the number of slide rail parts is larger, and the cost of the whole slide rail is higher.

Disclosure of Invention

The invention aims to provide a slide rail to solve the technical problem that the slide rail in the prior art is high in cost.

In order to achieve the purpose, the technical scheme of the slide rail is as follows: the slide rail includes: a mounting plate fixedly connected to one of the fixed member and a sliding member sliding back and forth with respect to the fixed member; the first guide piece is fixed on the mounting plate, is bent and formed, and forms a guide groove extending in the front-back direction with the mounting plate; and the second guide piece is bent and formed, is fixedly connected with the other one of the fixed part and the sliding part, is provided with a limiting tongue which is bent and then extends into the guide groove, and can slide back and forth in the guide groove so as to realize the relative sliding of the second guide piece relative to the first guide piece and the mounting plate in the front and back direction.

The invention has the beneficial effects that: the sliding rail comprises the mounting plate and the first guide piece which are arranged in a split mode, and further comprises the second guide piece, the mounting plate and the first guide piece are arranged in a split mode, the first guide piece and the second guide piece are both formed in a bending mode, the structure is simple, die sinking processing is not needed, the cost of the whole sliding rail can be reduced, and the size miniaturization of the whole sliding rail can be guaranteed.

Furthermore, the first guide piece is provided with two corresponding intervals in the left and right direction, correspondingly the guide groove with spacing tongue all is provided with two, and the notch of two guide grooves is arranged relatively. The slide rail structure that above-mentioned structure set up can effectively avoid the spacing tongue of second guide to deviate from in the direction of a left side and right side orientation from the direction recess, and the structural stability of multiplicable second guide and first guide and mounting panel in the relative slip in-process.

Furthermore, through holes used for being fixedly connected with the sliding component are formed in the first guide piece and the mounting plate. Above-mentioned structure setting can be convenient for sliding part snap-on mounting panel and first guide, can reduce intensity of labour, improves assembly efficiency, increases the joint strength between first guide and the mounting panel.

Furthermore, a rivet counter bore for fixing the first guide piece on the mounting plate is further arranged on the mounting plate. The fixed connection structure between the mounting plate and the first guide piece can avoid damaging the plastic coatings on the mounting plate and the first guide piece.

Furthermore, the first guide part is provided with a fixed bending plate fixed on the mounting plate, a vertical connecting plate, a parallel bending plate and a vertical bending plate which are formed by bending outwards in sequence, and a gap is formed between the vertical bending plate and the mounting plate, so that the mounting plate, the vertical connecting plate, the parallel bending plate and the vertical bending plate enclose a groove with a small belly, and the groove with the large belly is the guide groove. The guide groove structure can reduce the contact area between the second guide piece and the first guide piece, and further reduce the friction between the second guide piece and the first guide piece.

Furthermore, the edge of the vertical bending plate close to the mounting plate is provided with wire protection teeth. The edge of the vertical bending plate can be protected by the wire protection teeth, the edge of the vertical bending plate is prevented from being scratched or abraded, and the relative sliding resistance between the first guide piece and the second guide piece is reduced.

Furthermore, the edge of the limiting tongue extending into the guide groove is provided with wire protecting teeth. The edge of the limiting tongue can be protected by the wire protecting teeth, abrasion of the limiting tongue is reduced, and the wire protecting teeth are beneficial to reducing the resistance of relative sliding between the second guide piece and the first guide piece and between the second guide piece and the mounting plate.

Furthermore, the second guide piece is provided with a fixed side wall plate which is far away from the mounting plate and is parallel to the mounting plate and is used for being fixedly connected with the other one of the fixed part and the sliding part, a vertical side wall plate which is formed by bending towards the mounting plate, and a sliding side wall plate which is parallel to the mounting plate and extends into the guide groove to form the limiting tongue. The second guide piece is simple in structure and convenient to process and manufacture.

Furthermore, one of the mounting plate and the second guide member is provided with two limiting protrusions, and the other is provided with one or two stopping protrusions in stopping fit with the limiting protrusions, so that the sliding position of the sliding part relative to the fixed part is limited in the front-back direction. The arrangement of the limiting protrusion and the stopping protrusion can prevent the second guide part from being separated from the guide groove in the front-back direction.

Furthermore, the limiting protrusion is formed by integrally bending the mounting plate, and the stopping protrusion is formed by integrally bending the second guide piece. The limiting bulge and the stopping bulge formed by bending are convenient to process and manufacture.

Drawings

Fig. 1 is a schematic structural diagram of a slide rail according to embodiment 1 of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic structural view illustrating the second guiding member in FIG. 1 sliding relative to the guiding groove to a mutually blocked state of the limiting protrusion and the blocking protrusion;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the structure at B in FIG. 4;

FIG. 6 is a schematic view of the mounting plate of FIG. 1;

FIG. 7 is a schematic view of the assembly of the first guide member and the grommet in FIG. 1;

FIG. 8 is a schematic view of the second guide member and the grommet assembled in FIG. 1;

in the figure: 1-mounting plate, 2-first guide piece, 3-rivet counter bore, 4-guide groove, 5-fixed bending plate, 6-parallel bending plate, 7-vertical connecting plate, 8-vertical bending plate, 9-through hole, 10-second guide piece, 11-fixed side wall plate, 12-through hole, 13-vertical side wall plate, 14-sliding side wall plate, 15-wire protection tooth, 16-limit protrusion and 17-stop protrusion.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

Specific embodiment 1 of the slide rail of the present invention:

as shown in fig. 1 to 5, the slide rail includes a mounting plate 1 for fixedly connecting with a sliding component, and a first guide member 2 fixed on the mounting plate 1, the first guide member 2 is formed by bending a metal plate so that the first guide member 2 and the mounting plate 1 enclose a guide groove 4 extending in a front-back direction, the slide rail further includes a second guide member 10 for fixedly connecting with a fixed component, the second guide member 10 is also formed by bending a metal plate, and the second guide member 10 has a limit tongue extending into the guide groove 4 after being bent, and the limit tongue can slide back and forth in the guide groove 4 so as to realize relative sliding of the second guide member 10 in the front-back direction with respect to the first guide member 2 and the mounting plate 1. The sliding rail in the embodiment is used in an electric power cabinet, the fixed part is a cabinet body part of the electric power cabinet, the sliding part is an electric control board, and the sliding rail in the embodiment can realize the back and forth sliding of the electric control board relative to the cabinet body part in the front and back directions.

In this embodiment, as shown in fig. 2, 3 and 6, the mounting plate 1 and the first guide 2 are both arranged to extend in the front-rear direction, the mounting plate 1 is a metal plate with a rectangular structure, the two first guide 2 are provided and are arranged at a relative interval in the left-right direction, the notches of the two guide grooves 4 formed between the first guide 2 and the mounting plate 1 are arranged relatively, and the mounting plate 1 is provided with a countersunk rivet 3 for fixedly connecting the two first guides 2, so that the first guide 2 and the mounting plate 1 are fixedly assembled.

In this embodiment, as shown in fig. 2, the first guiding element 2 is formed by bending a metal plate, the bent edges of the first guiding element extend along the length direction of the mounting plate 1, the first guiding element 2 is provided with a fixed bent plate 5 attached to the mounting plate 1, and a parallel bending plate 6 which is bent outwards and arranged in parallel with the mounting plate 1 at intervals, and a vertical connecting plate 7 which is connected with the fixed bending plate 5 and the parallel bending plate 6 and is arranged vertically to the mounting plate 1, and a vertical bending plate 8 which is connected with the edge of the parallel bending plate 6 and is vertically arranged with the mounting plate 1, a certain gap is arranged between the vertical bending plate 8 and the mounting plate 1, so that the mounting plate 1, the vertical connecting plate 7, the parallel bending plate 6 and the vertical bending plate 8 enclose a groove with a small mouth and a big belly, the groove with a small mouth and a large belly is the guide groove 4, and the gap between the vertical bending plate 8 and the mounting plate 1 forms a notch of the guide groove 4.

In this embodiment, as shown in fig. 1, 3, 6, and 7, the mounting plate 1 and the fixed bending plate 5 are provided with through holes 9 disposed correspondingly, so that the mounting plate 1 and the first guide 2 are both fixedly connected to the sliding component by rivets, and the rivet connection structure can avoid damaging the plastic coatings on the mounting plate 1 and the first guide 2, thereby helping to protect the appearances of the mounting plate 1 and the first guide 2, and also avoiding the deformation of the mounting plate 1 and the first guide 2, so that the guide groove 4 has better guidance.

In the present embodiment, as shown in fig. 2, the second guide 10 has a fixed side wall plate 11 which is away from the mounting plate 1 and is arranged in parallel with the mounting plate 1, a through hole 12 which is fixedly connected with a fixed component by a rivet is provided on the fixed side wall plate 11, two edges of the fixed side wall plate 11 in the left-right direction are bent toward the mounting plate 1 to form two vertical side wall plates 13 which are arranged perpendicular to the mounting plate 1, and the arrangement of the vertical side wall plates 13 can ensure that the fixed side wall plate 11 is arranged at an interval from the mounting plate 1. The second guide member 10 further has two sliding side wall plates 14 perpendicular to the vertical side wall plates 13 and extending outward relative to the second guide member 10 and extending into the corresponding guide grooves 4, the sliding side wall plates 14 can be guided and slid in the guide grooves 4 to slidably assemble the second guide member 10 with the guide grooves 4, and the sliding side wall plates 14 form limit tongues extending into the guide grooves 4 to perform a limit function to limit the second guide member 10 from coming out of the guide grooves 4.

In this embodiment, as shown in fig. 2 to 5 and 8, the edge of the sliding side wall plate 14 extending into the guide groove 4 is provided with the thread guard teeth 15 to prevent the groove wall of the guide groove 4 from directly contacting the sliding side wall plate 14 in the process of sliding the second guide 10 relative to the guide groove 4, so that the wear on the groove wall of the guide groove 4 and the sliding side wall plate 14 can be reduced, which is helpful for reducing the relative sliding resistance between the first guide 2 and the mounting plate 1 and the second guide 10.

In this embodiment, as shown in fig. 5 and 7, the edge of the vertically bent plate 8 close to the mounting plate 1 is also provided with a thread guard 15 to reduce the wear on the vertically bent plate 8 and the sliding side wall plate 14, and also to help reduce the resistance to relative sliding between the first guide member 2 and the second guide member 10.

The wire protecting teeth 15 are fixed on the vertical bending plate 8 and the sliding side wall plate 14 through adhesives, and lubricating oil is coated on the wire protecting teeth 15, so that the relative sliding resistance between the first guide piece 2 and the mounting plate 1 and the second guide piece 10 is further reduced, and the relative sliding between the sliding part and the fixed part is smoother.

In this embodiment, as shown in fig. 4, 5, 6 and 8, the mounting plate 1 is provided with a limiting protrusion 16 bent toward the second guiding member 10 at both end portions and a middle portion in the length direction, and the corresponding second guiding member 10 is provided with a stopping protrusion 17 bent toward the mounting plate 1 at both end portions in the length direction, and the stopping protrusion 17 is matched with the limiting protrusion 16, so as to limit the relative sliding distance between the first guiding member 2 and the mounting plate 1 and the second guiding member 10, prevent the second guiding member 10 from being separated from the guiding groove 4 in the front-rear direction, and increase the stability of the whole sliding rail in the sliding process.

Compare with the slide rail that adopts mould processing and use ball structure among the prior art, the slide rail part quantity in this embodiment is less, and first guide 2 and second guide 10 are bent by the metal sheet and are formed, moreover, the steam generator is simple in structure, be convenient for processing and assembly, help reducing the cost of whole slide rail, compare among the prior art first guide 2 and the integrative roll-in fashioned structure of mounting panel 1 and compare, the structural style that components of a whole that can function independently set up between first guide 2 and the mounting panel 1 in this embodiment, can realize the miniaturization of slide rail structure size.

Specific embodiment 2 of the slide rail of the present invention:

it differs from example 1 in that: the mounting plate is fixedly connected with the fixed part, the second guide piece is fixedly connected with the sliding part, and in order to facilitate assembly among all parts, the fixed connection mode among all the parts can adopt bolt connection or screw connection, or the mounting plate can also adopt a welded connection mode with the first guide piece.

Embodiment 3 of the slide rail of the present invention:

it differs from example 1 in that: first guide is provided with one, corresponding second guide also is provided with one, and the perpendicular its length direction's of second guide cross section is the U-shaped, in a side of U-shaped stretches into the direction recess between first guide and the mounting panel, another side and the sliding part fixed connection of U-shaped, the length of mounting panel is greater than the length of second guide, and spacing arch sets up the both ends at the mounting panel, with the displacement distance of restriction second guide on mounting panel length direction, the slide rail part quantity that this kind of structure set up is less, be convenient for processing and assembly, need not to set up steel ball or steel ball, and need not the die sinking, help reducing the cost of whole slide rail, still can realize the miniaturization of whole slide rail structure size.

Embodiment 4 of the slide rail of the present invention:

it differs from example 1 in that: the first guide part is only provided with a fixed bending plate, a parallel bending plate and a vertical connecting plate so as to form two guide grooves with opposite openings between the two first guide parts and the mounting plate, the cross section of each guide groove is U-shaped, and the sliding side wall plate extends into the guide grooves and can enable the second guide parts to slide in the guide grooves in a guiding manner.

Embodiment 5 of the slide rail of the present invention:

it differs from example 1 in that: the second guide is provided with two, the perpendicular its length direction's of each second guide cross section is the U-shaped, a side of U-shaped stretches into in the direction recess, another side all is used for being connected with fixed part, the length of mounting panel is greater than the length of second guide, and spacing arch sets up the both ends at the mounting panel, with the displacement distance of restriction second guide on mounting panel length direction, the slide rail part quantity that this kind of structure set up is less, be convenient for processing and assembly, need not to set up steel ball or steel ball, and need not the die sinking, help reducing the cost of whole slide rail, still can realize whole slide rail structure size's miniaturization.

Embodiment 6 of the slide rail of the present invention:

it differs from example 1 in that: the edges of the sliding side wall plate and the vertical bending plate are not provided with the wire protection teeth, lubricating oil is only smeared on the guide groove and the parts of the parts which are contacted with each other in the relative sliding process, and the sliding resistance between the first guide piece and the mounting plate and the second guide piece can also be reduced.

Embodiment 7 of the slide rail of the present invention:

it differs from example 1 in that: the mounting plate is only provided with a limiting bulge facing the direction of the second guide piece in the middle in the length direction, and the limiting bulge can be matched with the stopping bulges at the two ends of the second guide piece so as to limit the sliding distance between the first guide piece and the mounting plate relative to the second guide piece; or a stopping bulge facing the mounting plate can be arranged in the middle of the fixed side wall plate of the second guide part, and the stopping bulge can be matched with the two limiting bulges on the first guide part to limit the sliding distance between the first guide part and the mounting plate relative to the second guide part.

Embodiment 8 of the slide rail of the present invention:

it differs from example 1 in that: the limiting bulges and the stopping bulges are respectively welded or fixed on the corresponding mounting plate and the fixed side wall plate through fasteners. The connection mode of the limiting protrusion and the stopping protrusion is convenient for processing and assembling.

Embodiment of the slide rail of the present invention 9:

it differs from example 1 in that: the sliding rail can be used in the drawer, the mounting plate and the first guide piece are fixedly connected with the drawer part, and the second guide piece is fixedly connected with the cabinet part where the drawer is located, so that the drawer can be pulled and pulled relative to the cabinet part.