Double-rail double-sliding door

Abstract

The utility model relates to a double-rail two-way sliding door, which belongs to the technical field of sliding doors and particularly comprises a door frame, a first door leaf and a second door leaf, the first door leaf and the second door leaf are mounted in the door frame, two rail supports are arranged at the bottom of the door frame, supporting rails are mounted on the rail supports, and two limiting grooves are correspondingly formed in the top of the door frame. The bottom of the first door leaf and the bottom of the second door leaf are each provided with a rolling wheel installation groove, rolling wheels are installed in the rolling wheel installation grooves, the rolling wheels are installed on the supporting rails, guide grooves are formed in the top of the first door leaf and the top of the second door leaf, limiting wheels are installed on the guide grooves, and the limiting wheels are located in the limiting grooves. The sliding door is simple in structure and reasonable in design, and it can be guaranteed that the sliding door runs reliably and stably and is not prone to falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to a double-track two-pull-and-pull door belongs to the technical field of pull-and-pull door. BACKGROUND

[0002] The pull-and-pull door is a kind of door commonly used in family, which can be pushed and pulled. With the development of technology and the diversification of decoration means, the pull-and-pull door is expanded from the traditional plate surface to glass, cloth, rattan, aluminum alloy profile, from the pull-and-pull door to the folding door to the partition door, the function and use range of the pull-and-pull door are continuously expanding. The glass pull-and-pull door has the functions of visual permeability and space amplification, and the pull-and-pull door is equivalent to a movable partition, and has the dual functions of open space and partition. The existing pull-and-pull door is not reasonably installed, and the phenomenon of derailment easily occurs, and the sealing is not good, and the air leakage easily occurs. SUMMARY

[0003] To solve the technical problems existing in the prior art, the utility model provides a double-track two-pull-and-pull door which is simple in structure, reasonable in design and capable of ensuring reliable and stable operation of the pull-and-pull door.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a double-track two-pull-and-pull door, which comprises a door frame, a first door leaf and a second door leaf installed in the door frame, two track supports are arranged at the bottom of the door frame, support tracks are installed on the track supports, correspondingly, two limiting grooves are arranged at the top of the door frame, roller installation grooves are arranged at the bottom of the first door leaf and the second door leaf, rollers are installed in the roller installation grooves, the rollers are installed on the support tracks, guide grooves are arranged at the top of the first door leaf and the second door leaf, limiting wheels are installed on the guide grooves, the limiting wheels are located in the limiting grooves, sealing limiting seats are arranged on the surface of the contact door leaf frame of the first door leaf and the second door leaf, and third sealing strips are installed on the sealing limiting seats.

[0005] Preferably, the width of the roller installation groove is greater than the width of the track support, and the track support is located in the roller installation groove, and a first sealing strip is arranged between the roller installation groove and the track support.

[0006] Preferably, the width of the guide groove is greater than the width of the limiting groove, and the limiting groove is located in the guide groove, and a second sealing strip is arranged between the guide groove and the limiting groove.

[0007] Preferably, a sealing connecting strip is arranged at the side of the door frame, and correspondingly, a sealing link groove is arranged at the side of the first door leaf and the second door leaf, the width of the sealing link groove is greater than the width of the sealing connecting strip, the sealing connecting strip is located in the sealing link groove, and a fourth sealing strip is arranged between the sealing link groove and the sealing connecting strip.

[0008] Preferably, the sealing limiting seat comprises a connecting plate, a supporting plate and a limiting plate, one end of the connecting plate is connected to the supporting plate, the other end of the supporting plate is installed on the limiting plate, the limiting plate is arranged obliquely, the connecting plate and the supporting plate are arranged vertically, a connecting hook plate for clamping on the end side of the door leaf frame is fixed on the connecting plate, the supporting plate is fixed on the surface of the door leaf frame, a supporting groove is arranged on the supporting plate, and the third sealing strip is arranged in the supporting groove.

[0009] Compared with the prior art, the utility model has following technical effects: the utility model discloses two door leaves are installed in the door frame, the top of the door leaf is installed in the limiting groove through the limiting wheel, the bottom is installed on the support rail through the roller, the stable and reliable operation of the door leaf is guaranteed, and the door leaf and the door frame and the door leaf and the door leaf are effectively sealed, so that the reliable sealing of the door leaf when closing is guaranteed, and the air leakage does not appear. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the structural schematic diagram of the utility model.

[0011] Figure 2 It is the cross section structural schematic diagram of the utility model.

[0012] Figure 3 It is the longitudinal section structural schematic diagram of the utility model.

[0013] Figure 4 It is Figure 2 It is the local enlarged view of A in the middle. DETAILED DESCRIPTION

[0014] In order to make the technical problem, technical scheme and beneficial effect of the utility model clearer, the utility model is further described in detail below by combining with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0015] As Figures 1 to 4 Shown, double track two sliding doors, including door frame 1 and install in the first door leaf 2 and second door leaf 3 of door frame, the bottom of door frame 1 is provided with two track supports 4, track support 4 installs support rail 5, correspondingly, the top of door frame 1 is provided with two limiting grooves 6, the bottom of first door leaf 2 and second door leaf 3 is provided with roller installation groove 7, roller installation groove 7 installs roller 8, roller 8 is installed on support rail 5, the top of first door leaf 2 and second door leaf 3 is provided with guide slot 9, guide slot 9 installs limiting wheel 10, limiting wheel 10 is located in limiting groove 6, the surface of the contact of first door leaf 2 and second door leaf 3 is provided with sealing limiting seat 11, sealing limiting seat 11 installs third sealing strip 12.

[0016] The utility model discloses a limit groove 6 is installed at the top of door frame 1, and track support 4 and support track 5 are installed at the bottom, then first door leaf 2 and second door leaf 3 are installed in support track 5 through roller 8 respectively, and top is installed in limit groove 6 through limit wheel 10, so when first door leaf 2 and second door leaf 3 move, can guarantee that the movement is reliable and stable, avoid the derailment situation. The surface of the contact of first door leaf 2 and second door leaf 3 is provided with sealing limit seat 11, and third sealing strip 12 is installed on sealing limit seat 11. The contact surface of first door leaf 2 and second door leaf 3 can be limited through sealing limit seat 11, and the sealing between first door leaf 2 and second door leaf 3 can also be realized through third sealing strip 12.

[0017] The width of roller installation groove 7 is greater than the width of track support 4, and track support 4 is located in roller installation groove 7, and first sealing strip 13 is arranged between roller installation groove 7 and track support 4. The width of guide groove 9 is greater than the width of limit groove 6, and limit groove 6 is located in guide groove 9, and second sealing strip 14 is arranged between guide groove 9 and limit groove 6. The side of door frame 1 is provided with sealing connecting strip 15, and the side of first door leaf 2 and second door leaf 3 is provided with sealing link groove 16 corresponding to sealing connecting strip 15, the width of sealing link groove 16 is greater than the width of sealing connecting strip 15, and sealing connecting strip 15 is located in sealing link groove 16, and fourth sealing strip 17 is arranged between sealing link groove 16 and sealing connecting strip 15. By adopting the structure, the sealing of first door leaf 2 and second door leaf 3 is facilitated, the sealing strip is convenient to install, and the air leakage is avoided.

[0018] As shown in Figure 4 Sealing limit seat 11 includes connecting plate 18, support plate 19 and limit plate 20, connecting plate 18 is connected to one end of support plate 19, the other end of support plate 19 is installed in limit plate 20, limit plate 20 is arranged obliquely, connecting plate 18 and support plate 19 are arranged vertically, connecting hook plate 21 for clamping in the end side of door leaf frame is fixed on connecting plate 18, support plate 19 is fixed on the surface of door leaf frame, support groove 22 is arranged on support plate 19, and third sealing strip 12 is arranged in support groove 22. Sealing limit seat 11 is convenient to install, and through limit plate 20, limiting effect can be realized when first door leaf 2 and second door leaf 3 are closed, and sealing can also be assisted. Third sealing strip 12 is installed on support plate 19, so that the sealing is more reliable, and the air leakage is avoided.

[0019] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. in the spirit and principle of the utility model should be included in the utility model range.

Claims

1. Double track two sliding door comprising a door frame and a first door leaf and a second door leaf mounted in the door frame, characterized in that: The bottom of the door frame is provided with two track supports on which supporting tracks are installed, and the top of the door frame is provided with two limiting grooves, the bottom of the first and second door leaves is respectively provided with a roller installation groove, a roller is installed in the roller installation groove, the roller is installed on the supporting track, the top of the first and second door leaves is provided with a guide groove, a limiting wheel is installed on the guide groove, the limiting wheel is located in the limiting groove, the contact surface of the first and second door leaves is provided with a sealing limiting seat, and a third sealing strip is installed on the sealing limiting seat.

2. Double track two sliding door according to claim 1, characterized in that: The width of the roller installation groove is greater than the width of the track support, the track support is located in the roller installation groove, and a first sealing strip is arranged between the roller installation groove and the track support.

3. Double track two sliding door according to claim 1, characterized in that: The width of the guide groove is greater than the width of the limiting groove, the limiting groove is located in the guide groove, and a second sealing strip is arranged between the guide groove and the limiting groove.

4. Double track two-sliding door according to claim 1, characterized in that: The side of the door frame is provided with a sealing connecting strip, and the side of the first and second door leaves is provided with a sealing connection groove, the width of the sealing connection groove is greater than the width of the sealing connecting strip, the sealing connecting strip is located in the sealing connection groove, and a fourth sealing strip is arranged between the sealing connection groove and the sealing connecting strip.

5. The dual track two-sliding door according to claim 1, wherein: The sealing limiting seat comprises a connecting plate, a supporting plate and a limiting plate, one end of the connecting plate is connected to the supporting plate, the other end of the supporting plate is installed on the limiting plate, the limiting plate is inclined, the connecting plate and the supporting plate are perpendicular, a connecting hook plate for clamping the end side of the door leaf frame is fixed on the connecting plate, the supporting plate is fixed on the surface of the door leaf frame, a supporting groove is arranged on the supporting plate, and the third sealing strip is arranged in the supporting groove.

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