CN204418935U - A kind of sliding push-pull door hidden track way groove lower railway - Google Patents

Abstract

The utility model discloses a kind of sliding push-pull door hidden track way groove lower railway, for carrying pulley, it comprises the track weight body be located on track bearing plate, along track weight body offering two guide path of sliding for pulley, if with the direction of pulley slip for axis; The opening part of guide path and the wall of pulley contact are set to tangent plane contact, and described tangent plane contact is inclined-plane, contacts with pulley forming surface; Between the below, guide path of described track weight body, be provided with the track kerve contacted with track bearing plate, be axially arranged with location grooving along track kerve upper surface, be arranged with bits groove with the track kerve soffit place that deviates from mutually of grooving, location.This practical patent will change the contact surface way of contact of lower railway and pulley system thus reduce gap and pressure in structure design, the unlimited amplitude reducing vibrations and produce, thus reaches muting function from structure technology; Screw is hidden in rail base, prevents screw from exposing with loose, not only attractive in appearance but also practical.

Description

A kind of sliding push-pull door hidden track way groove lower railway

Technical field

The utility model relates to furniture glide field of hardware, especially a kind of lower railway structure be applied on sliding door of furniture.

Background technology

At present, in furniture industry, slip sliding door principal mode has two kinds of tracks.The first, to get on the right track as sliding door mainly carries beaer, be namely hang in upper rail by pulley jib, be hidden in by pulley in guide rail, be commonly called as dark track.The second, is that sliding door mainly carries beaer with lower railway, is namely that whole pulley system is pressed on lower railway, is commonly called as bright track.Wherein, the five metals such as dark track has attractive in appearance, pulley such as not to expose at the advantage, have bad installation, not easy-maintaining, the shortcoming such as built on the sand simultaneously; Bright guide rail has the advantages such as easy for installation, firm, but easily accumulates dust, not easy to clean; How the advantage of these two kinds of tracks being melted as together, and avoid above-mentioned shortcoming, is the major design core of the utility model patent.

The form of structure of track mainly contains two kinds of grooves and tongue designs.Groove design track is in the market very easy to accumulation dust, the slip that dust will affect track is smooth and easy, and adopt tongue to design, pulley in sliding door will adopt recessed wheel, due to often stressed, recessed wheel more may broaden, and causes recessed tongue of taking turns to combine to obtain imprecision, thus cause sliding door to shake, reduction of service life.Sliding door has moved often, the recessed load-bearing taken turns and to be mobilely also more and more not easy, and pulley is also easy to wearing and tearing, occurs mobile having some setbacks or phenomenon of jumping onto the tracks.

On market, sliding door track has cold-rolled steel track and aluminum alloy rail two kinds.Customer generally may think that rail is more durable than aluminum alloy rail, and the wall thickness of track is more thick better, in fact and exactly so.High-quality sliding door five metals is embodied in the perfect adaptation of track and pulley, instead of certain simple part.Track must to have with face shaping design in structure and coordinates perfect radian with pulley, makes track bear minimum pressure and impaired, can provide accurate sliding trace simultaneously.

Track is the main five metals that sliding door reaches sliding function, track and the installation of sliding door cabinet must be used and be connected five metals track is fixed on cabinet, and mainly for mainly connecting five metals, guide rail is fixed in cabinet belonging to sliding door with self-tapping screw in existing market, and on the direct exposed track of screw, long-term left and right pulls and cabinet is shaken, thus generation longitudinal force causes screw to loosen, directly be installed on cabinet with regard to above-mentioned track screw, this must make sliding door and cabinet produce gap length, the impact of workload when just installing and the aesthetic appearance of furniture, in order to ensure sliding door and cabinet gap as far as possible little, must to slot concealed installation, therefore need especially to slot, increase production process, and gap still exists.

All tracks are all because vibrations produce noise, track on market occurs that the factor of noise is the technique difference of bearing-type pulley and the gap between pulley and track, a lot of businessman reduces noise by adding lubrication oil at track at present, and this can be infected with dirt due to the viscosity of oil.

Therefore there is many defects in existing structure, need to improve.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, provide have firm, motion flexibly, high, the quiet track hardware of load-bearing, when being installed in furniture, screw shadow is hidden and is not exposed and track, sliding door, do not have gap between cabinet simultaneously.

For achieving the above object, the utility model have employed following technical scheme: a kind of sliding push-pull door hidden track way groove lower railway, for carrying pulley, it comprises the track weight body be located on track bearing plate, along track weight body offering two guide path of sliding for pulley, if with the direction of pulley slip for axis; The opening part of described guide path and the wall of pulley contact are set to tangent plane contact, and described tangent plane contact is inclined-plane, contacts with pulley forming surface; Between the below, guide path of described track weight body, be provided with the track kerve contacted with track bearing plate, be axially arranged with location grooving along track kerve upper surface, be arranged with bits groove with the track kerve soffit place that deviates from mutually of grooving, location.

During due to trackwork state, be kept in motion, a lot of variable factor will be produced.Pulley puts on the active force on track, and its size, aspect and position all have very large randomness, and this major influence factors has relevant with the interaction of track with skidding system.The contact surface of track and pulley carries out work as an Infinite Beam be bearing on continuous elastic basis or dot point.It mainly bears the flexural stress under wheel load effect, but also must have the ability the contact stress born on Wheel/Rail Contact Point, under the effect of pulley and frictional force, track produces complicated distortion: compression, extend, bending, reverse, conquassation, abrasion and under force vibrations produce noise, this must make contact stress (i.e. the pressure of sliding door weight generation) reduce as far as possible, the contact point of guide path and pulley is designed to an inclined-plane by this structure, form a tangent plane contact, this is track and suits between pulley face and face, track on market is all the contact in line and face, and the contact in face and face can increase the compression area of track, thus minimizing pressure, adopt inclined-plane pressure can be decomposed the pressure that vertical gravity is produced to reduce simultaneously.

Dust-proof notch is being provided with below the guide path side, track weight body of cabinet, dust-proof notch comprises the Internal baffle and outer baffle that axially arrange along guide path soffit, the bottom conflict track bearing plate of Internal baffle, the length of outer baffle is less than Internal baffle, is formed with difference in height between outer baffle and Internal baffle.The problem in gap is there is in order to solve track and cabinet, in structure design, the difference in height of section bar is utilized to produce a dust-proof notch, dust seal edge strip directly can be filled in, utilize the flexibility of dust seal edge strip and plasticity that gap is filled, reach seamless and dust-proof effect, and dust seal edge strip is easy for installation, without the need to cutting groove on sheet, only dust seal edge strip directly need be filled in toward dust-proof notch.

The utility model compared with prior art, advantage specific as follows: this practical patent will change the contact surface way of contact of lower railway and pulley system thus reduce gap and pressure in structure design, the amplitude that unlimited minimizing vibrations produce, thus reach muting function from structure technology; Screw is hidden in rail base, prevents screw from exposing with loose, not only attractive in appearance but also practical; In order to improve installation accuracy thus devise screw locating slot on track kerve, adopt 90 degree of angles of inclination, make screw precise positioning and not positioning; When considering that screw is installed, will remaining years bits broken, therefore at the bottom design bits grooves of track kerve, thus prevent from screw from producing when breaking through section bar and sheet material considering broken obstruction to be worth doing installing; Guide path is the main activities contact surface of pulley, have employed the track tangent plane of inverted triangle circular shape, can the derailing of anti-limited slip wheel, simultaneously in order to prevent pulley surface layer material and track sliding dynamic friction impaired.

Accompanying drawing explanation

Fig. 1 is the utility model sliding push-pull door hidden track way groove lower railway structural representation;

Fig. 2 is the application structure schematic diagram that pulley slides on Fig. 1.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.

Embodiment:

Refer to shown in Fig. 1 and Fig. 2, a kind of sliding push-pull door hidden track way groove lower railway, for carrying pulley 4, it comprises the track weight body 1 be located on track bearing plate 3, along track weight body 1 offering two guide path 11 of sliding for pulley, if with the direction of pulley 4 slip for axis; The wall that the opening part of guide path 11 contacts with pulley 4 is set to tangent plane contact 12, and tangent plane contact 12 is inclined-plane, contacts with pulley forming surface; The track kerve 2 of the inverted trapezoidal contacted with track bearing plate 3 is provided with between the below of track weight body 1, guide path 11, directly block with lock tooth between track kerve 2 and track weight body 1, make track kerve 2 accurately be firmly secured to bottom track weight body 1.Be dead slot between track kerve 2 and track weight body 1 panel, frid upper surface along track kerve 2 is axially arranged with location grooving 21, consider groove 22 to be worth doing being arranged with the track kerve 2 soffit place that deviates from mutually of grooving 21, location, because track kerve 2 and track bearing plate 3 contact, and now consider the setting of groove 22 depression to be worth doing, make to maintain space between bits groove 22 and track bearing plate 3, thus can prevent from screw from producing when breaking through section bar and sheet material considering broken obstruction to be worth doing installing, the present embodiment can also install silica gel strip inside slide-and-guide path 11, pulley can be protected and prevent dust accretions.

Further, in order to solve track and cabinet exists the problem that gap easily produces dust, dust-proof notch 13 is being provided with below guide path 11 side, track weight body 1 of cabinet, dust-proof notch 13 comprises the Internal baffle 131 and outer baffle 132 that axially arrange along guide path 11 soffit, the bottom conflict track bearing plate of Internal baffle 131, the length of outer baffle 132 is less than Internal baffle 131, be formed with difference in height between outer baffle 132 and Internal baffle 131, this difference in height contributes to the layout of dust seal edge strip.

Above-listed detailed description is illustrating for utility model possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.

Claims (2)

1. a sliding push-pull door hidden track way groove lower railway, for carrying pulley, it comprises the track weight body (1) be located on track bearing plate, along track weight body (1) offering two guide path (11) slided for pulley, if with the direction of pulley slip for axis;

It is characterized in that: the opening part of described guide path (11) and the wall of pulley contact are set to tangent plane contact (12), described tangent plane contact (12) is inclined-plane, contacts with pulley forming surface; The track kerve (2) contacted with track bearing plate is provided with between the below, guide path (11) of described track weight body (1), be axially arranged with location grooving (21) along track kerve (2) upper surface, consider groove (22) to be worth doing being arranged with grooving (21) track kerve (2) the soffit place that deviates from mutually, location.

2. sliding push-pull door hidden track way groove lower railway as claimed in claim 1, it is characterized in that: at guide path (11) side near cabinet, track weight body (1) below is provided with dust-proof notch (13), dust-proof notch (13) comprises the Internal baffle (131) and outer baffle (132) that axially arrange along guide path (11) soffit, the bottom conflict track bearing plate of Internal baffle (131), the length of outer baffle (132) is less than Internal baffle (131), difference in height is formed between outer baffle (132) and Internal baffle (131).