CN211144198U

CN211144198U - Sliding door

Info

Publication number: CN211144198U
Application number: CN201921348587.XU
Authority: CN
Inventors: 刘建明; 吕石磊; 李宏宁
Original assignee: Foshan Sanshui Fenglu Aluminium Co Ltd; Guangdong Fenglu Aluminium Co Ltd
Current assignee: Foshan Sanshui Fenglu Aluminium Co Ltd; Guangdong Fenglu Aluminium Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-07-31
Anticipated expiration: 2029-08-19

Abstract

The utility model provides a sliding door, which comprises an auxiliary frame arranged on a wall and two sliding doors horizontally and relatively sliding in the auxiliary frame; the auxiliary frame comprises a first frame section, an upper slide, a second frame section and a lower slide which are connected in sequence; the sliding door comprises a door leaf and a sash frame wrapping the door leaf, the upper frame section bar is connected to the upper slide, the lower frame section bar is connected to the lower slide in a sliding mode, the frame section bars of the sash frame are respectively abutted to the first frame section bar and the second frame section bar, and the mullion section bars of the sash frame are abutted to the mullion section bars. The utility model discloses a long ramp type structure is adopted in the gliding and apron structure in addition, effectively improves the water proofness, goes up to slide and has the spacing groove, and it is convenient to carry on spacingly with the cooperation of last frame section bar to the door leaf, prevents that it from rocking derailing even, and is clean more convenient.

Description

Sliding door

Technical Field

The utility model relates to a building door and window field particularly, relates to a push-and-pull door.

Background

The door and window is an important component of an outer building envelope and has a series of important functions of water tightness, air tightness, wind pressure resistance, heat insulation, sound insulation, burglary prevention, sun shading, lighting, ventilation and the like. The opening modes of doors and windows can be divided into: casement doors and windows, sliding doors and windows, folding doors and the like. No matter in the bathroom, or between the storing, as long as change the push-and-pull door, narrow and small space can not be wasted again, and foldable push-and-pull door can also 100% open even, does not account for one minute space. From the use, the push-and-pull door undoubtedly greatly facilitates the space division and utilization of the room, and the reasonable push-and-pull design meets the exquisite and compact order and rhythm of modern life institute.

Through mass retrieval, the sliding door in the prior art is found to comprise a window body and two movable sliding doors, such as the sliding door with the publication number of CN 104499893A; the upper end of a sash window body is arranged in the top layer section bar frame, the bottom edge is arranged in the middle section bar frame, and two side edges are arranged in the first side section bar frame; the two sliding doors are arranged in parallel and in the front and back direction, the top layers of the two sliding doors are both connected with the middle section bar framework in a sliding way, the bottom edge is arranged in the bottom section bar framework, the inner side edge and the outer side edge of one sliding door are respectively and correspondingly arranged in the first side section bar framework and the second side section bar framework of the end section bar framework, and the inner side edge and the outer side edge of the other sliding door are respectively and correspondingly arranged in the second side section bar framework and the third side section bar framework of the end section bar; the invention has the advantages of simple structure, long service life, convenient assembly and disassembly, convenient push-pull and labor saving, higher sealing performance of the connection of the push-pull window body and the profile structures on all sides, good stability, better waterproof, sound insulation and heat insulation effects, suitability for the installation of various door bodies such as glass bodies, wooden bodies and the like, and wide application range. Or if the sliding door disclosed as CN108999525A, the handle buckle, the door frame, the infrared anti-theft device, the alarm, the sliding door, the locking bolt, the protective housing, the infrared detection mechanism, the signal induction mechanism, the signal transmission mechanism, the power motor mechanism, the contact connection mechanism, the gear drive mechanism and the anti-theft locking mechanism, wherein the infrared detection mechanism is arranged at the head end of the outer surface of the protective housing. Or a sliding door as disclosed in publication No. CN106761208A, comprising a first door frame, a second door frame; the upper parts of the first door frame and the second door frame are provided with guide rail devices, and the guide rail devices are connected with a first sliding door and a second sliding door; the first sliding door and the second sliding door are provided with sliding handles; the first sliding door and the second sliding door are partially overlapped after being closed, the inner side ends of the first door frame and the second door frame are respectively provided with a U-shaped groove, and at least one group of clamping devices capable of clamping the first sliding door or the second sliding door to prevent sliding are arranged in the U-shaped grooves; the clamping device comprises a first spring and a second spring which are symmetrically arranged, and the first spring and the second spring are arranged in a first spring hole and a second spring hole; the outer sides of the first spring and the second spring are correspondingly provided with a first elastic sheet and a second elastic sheet which are arranged at preset inclination angles. The first sliding door and the second sliding door in the opening or closing state can be clamped tightly by the clamping device, so that the first sliding door and the second sliding door are prevented from sliding.

In summary, in the sliding door in the prior art, corner connectors and profiles of various specifications are adopted, and the sliding door has large size and weight, not only increases the manufacturing cost, but also has poor connection performance, poor sealing performance, and complicated structure, so that the production efficiency is reduced, and the sliding door is a negative factor for aluminum alloy doors and window frames in the aspects of economy, energy conservation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sliding door to solve the problems,

in order to achieve the above purpose, the utility model adopts the following technical scheme:

a sliding door comprises an auxiliary frame arranged on a wall and two sliding doors horizontally and relatively sliding in the auxiliary frame; the auxiliary frame comprises a first frame section, an upper slide, a second frame section and a lower slide which are connected in sequence; the sliding door comprises a door leaf and a sash frame wrapping the door leaf, wherein the sash frame comprises a mullion section, an upper frame section, a side frame section and a lower frame section which are sequentially connected; the upper frame section is connected in the upper slide in a sliding manner, the lower frame section is connected in the lower slide in a sliding manner, the frame sections of the two sash frames are respectively abutted against the first frame section and the second frame section, and the mullion sections of the two sash frames are abutted against each other; the lower slide comprises a first section bar, a second section bar and a third section bar which are connected in sequence; the upper slide comprises a fourth section bar, a fifth section bar and a sixth section bar which are connected in sequence.

Furthermore, the fifth section bar is a rectangular section bar and extends downwards along the vertical direction of the middle part of the section bar to form a fifth section bar extension part, the fourth section bar and the sixth section bar are symmetrical according to the fifth section bar extension part, the fourth section bar and the sixth section bar are of L-shaped structures, the fourth section bar vertically extends downwards along a right-angle side to form a fourth section bar extension part, the sixth section bar vertically extends downwards along the right-angle side to form a sixth section bar extension part, and the upper frame section bars are respectively wrapped between the fourth section bar and the fifth section bar extension part and between the sixth section bar and the fifth section bar extension part.

Furthermore, a limiting groove used for being matched with a limiting rod is reserved on the fourth section bar and the sixth section bar, and the limiting rod is clamped on an upper frame section bar limiting groove formed in the upper frame section bar.

Furthermore, the first section bar is of a step-shaped structure, the second section bar is of a right-angled trapezoid structure, and the third section bar is of a quadrilateral structure; the first section comprises a first top plate and a first inclined plate connected with one end of the first top plate, the second section comprises a second inclined plate, the third section comprises a second top plate, the first inclined plate of the first section, the second inclined plate of the second section and the second top plate of the third section are combined to form a slope-shaped drainage structure, the high end of the first inclined plate is higher than the low end of the first inclined plate, the low end of the first inclined plate is not lower than the high end of the second inclined plate, the high end of the second inclined plate is higher than the low end of the second inclined plate, and the low end of the second inclined plate is not lower than one end of the second top plate; first roof is close to open on one side of first swash plate has first guide rail arrangement groove, the one side that the second swash plate is close to the low side upwards extends along vertical direction has the montant and through the montant with the second guide rail arrangement groove that the second swash plate is connected, first guide rail arrangement groove with all install the guide rail on the second guide rail arrangement groove.

Furthermore, a transmission box for driving the door leaf to slide is connected to the lower frame section, and the transmission box is connected with the guide rail in a sliding manner.

Furthermore, first frame section bar with second frame section bar rotational symmetry, install the lock point on the frame section bar, all install on first frame section bar and the second frame section bar and be used for the parcel the lock seat that the lock point realized the lock door function, well club section bar extends along the direction of perpendicular to door leaf face has the boss, two well club section bar the boss is mutual the butt.

Furthermore, a buffer block is connected between the upper frame section bar and the door leaf, and a buffer block is connected between the lower frame section bar and the door leaf.

The utility model discloses the beneficial technological effect who gains is:

1. the gliding adopts long ramp type structure and apron structure in addition, effectively improves the water proofness.

2. The upper slide is provided with a limiting groove, so that the door leaf is conveniently limited by matching with the upper frame section bar, and the door leaf is prevented from shaking and even derailing.

3. The cleaning is more convenient.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Fig. 1 is a schematic structural view of a sliding door according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a top view of a sliding door according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the slide down according to one embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a lower slide and a lower frame section bar according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an upper slide and an upper frame profile in one embodiment of the present invention.

Description of reference numerals: 1-a first profile; 101-a first top panel; 102-a first swash plate; 103-indoor baffle; 104-a first backplane; 105-a first connecting baffle; 106-connecting plate; 107-a first lumen; 108-first rail seating groove; 109-indoor baffle extension; 2-a second profile; 201-high end connecting baffle plate; 202-a second swash plate; 203-connecting a baffle plate at the lower end; 204-a second backplane; 205-a second lumen; 206-vertical bar; 207-second rail seating groove; 3-a third section bar; 301-a second connecting baffle; 302-a second top panel; 303-outdoor baffles; 304-a third backplane; 305-a third lumen; 306-an outdoor baffle extension; 4-heat insulating strips; 5-a first cover plate; 501-straight rod; 6-a second cover plate; 7-a first frame section; 8-a second frame profile; 9-door leaf; 10-mullion section bar; 1001-boss; 11-upper frame section bar; 12-frame profile; 13-lower frame section bar; 14-a fourth profile; 1401-a fourth profile extension; 15-a fifth profile; 1501-a fifth profile extension; 16-a sixth profile; 1601-a sixth profile extension; 17-a limiting rod; 18-a gear box; 19-a lock seat; 20-locking point; 21-buffer block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be further described in detail with reference to the following embodiments thereof; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating directions or positional relationships based on those shown in the drawings, it is only for convenience of description and simplicity of description, but not for indicating or implying that the indicated device or component must have a specific direction, be constructed in a specific direction, and operate, and therefore the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the above terms according to specific situations.

The utility model relates to a sliding door, according to the following embodiment of the illustrated explanation of the attached drawing:

the first embodiment is as follows:

a sliding door comprises an auxiliary frame arranged on a wall and two sliding doors horizontally and relatively sliding in the auxiliary frame; the auxiliary frame comprises a first frame section bar 7, an upper slide, a second frame section bar 8 and a lower slide which are connected in sequence; the sliding door comprises a door leaf 9 and a sash frame wrapping the door leaf, wherein the sash frame comprises a mullion section bar 10, an upper frame section bar 11, a side frame section bar 12 and a lower frame section bar 13 which are sequentially connected; the upper frame section bar 11 is connected in the upper slide in a sliding manner, the lower frame section bar 13 is connected in the lower slide in a sliding manner, the frame section bars 12 of the two sash frames are respectively abutted with the first frame section bar 7 and the second frame section bar 8, and the mullion section bars 10 of the two sash frames are abutted with each other; the lower slide comprises a first section bar 1, a second section bar 2 and a third section bar 3 which are connected in sequence; the upper slide comprises a fourth profile 14, a fifth profile 15 and a sixth profile 16 connected in sequence.

The fifth profile 15 is a rectangular profile and extends downwards along a fifth profile extension 1501 in the vertical direction in the middle of the fifth profile 15, the fourth profile 14 and the sixth profile 16 are symmetrical according to the fifth profile extension 1501, the fourth profile 14 and the sixth profile 16 are L-shaped structures, the fourth profile 14 extends downwards vertically along a right-angled edge to form a fourth profile extension 1401, the sixth profile 16 extends downwards vertically along a right-angled edge to form a sixth profile extension 1601, and each upper frame profile 11 is respectively wrapped between the fourth profile 14 and the fifth profile extension 1501 and between the sixth profile 16 and the fifth profile extension 1501.

And limit grooves used for being matched with limit rods 17 are reserved on the fourth section bar 14 and the sixth section bar 16, and the limit rods 17 are clamped on the limit grooves of the upper frame section bar 11.

The first section bar 1 is of a step-shaped structure, the second section bar 2 is of a right-angled trapezoid structure, and the third section bar is of a quadrilateral structure; the first profile 1 comprises a first top plate 101 and a first inclined plate 102 connected with one end of the first top plate 101, the second profile comprises a second inclined plate 202, the third profile comprises a second top plate 302, the first inclined plate 102 of the first profile 1, the second inclined plate 202 of the second profile 2 and the second top plate 302 of the third profile 3 are combined to form a slope-shaped drainage structure, the high end of the first inclined plate 102 is higher than the low end of the first inclined plate 102, the low end of the first inclined plate 102 is not lower than the high end of the second inclined plate 202, the high end of the second inclined plate 202 is higher than the low end of the second inclined plate 202, and the low end of the second inclined plate 202 is not lower than one end of the second top plate 302; a first guide rail placing groove 108 is formed in one side, close to the first inclined plate 102, of the first top plate 101, a vertical rod 206 and a second guide rail placing groove 207 connected with the second inclined plate 202 through the vertical rod 206 are extended upwards from one side, close to the lower end, of the second inclined plate 202 in the vertical direction, and guide rails are mounted on the guide rail placing grooves.

The lower frame section bar 13 is connected with a transmission box 18 for driving the door leaf 9 to slide, and the transmission box 18 is connected with the guide rail in a sliding manner.

First frame section bar 7 with 8 rotational symmetries of second frame section bar, install lock point 20 on the frame section bar 12, first frame section bar 7 and all install on the second frame section bar 8 and be used for the parcel lock point 20 realizes the lock seat 19 of locking the door function, well club section bar 10 has boss 1001, two along the direction extension of perpendicular to door leaf face well club section bar 10 the mutual butt of boss 1001.

A buffer block 21 is connected between the upper frame section bar 11 and the door leaf 9, and a buffer block 21 is connected between the lower frame section bar 13 and the door leaf 9.

Example two:

The first section bar 1 is of a step-shaped structure, the second section bar 2 is of a right-angled trapezoid structure, and the third section bar is of a right-angled quadrilateral structure; the first profile 1 comprises a first top plate 101 and a first inclined plate 102 connected with one end of the first top plate 101, the second profile comprises a second inclined plate 202, the third profile comprises a second top plate 302, the first inclined plate 102 of the first profile 1, the second inclined plate 202 of the second profile 2 and the second top plate 302 of the third profile 3 are combined to form a slope-shaped drainage structure, the high end of the first inclined plate 102 is higher than the low end of the first inclined plate 102, the low end of the first inclined plate 102 is not lower than the high end of the second inclined plate 202, the high end of the second inclined plate 202 is higher than the low end of the second inclined plate 202, and the low end of the second inclined plate 202 is not lower than one end of the second top plate 302; a first guide rail placing groove 108 is formed in one side, close to the first inclined plate 102, of the first top plate 101, a vertical rod 206 and a second guide rail placing groove 207 connected with the second inclined plate 202 through the vertical rod 206 are extended upwards from one side, close to the lower end, of the second inclined plate 202 in the vertical direction, and guide rails are mounted on the first guide rail placing groove 108 and the second guide rail placing groove 207. Specifically, the third profile 3 is a rectangular profile.

The first profile 1 further comprises a connecting plate 106, an indoor baffle plate 103, a first bottom plate 104 and a first connecting baffle plate 105, the top plate 101 is higher than the first sloping plate 102, one end of the top plate 101 is connected with the high end of the first sloping plate 102 through the connecting plate 106, the lower end of the first sloping plate 102 is connected with one end of the first connecting baffle plate 105, the other end of the first connecting baffle plate 105 is connected with one end of the first bottom plate 104, the other end of the first bottom plate 104 is connected with one end of the indoor baffle plate 103, the other end of the indoor baffle plate 103 is connected with the other end of the first top plate 101, and a first cavity 107 is enclosed by the first top plate 101, the first sloping plate 102, the connecting plate 106, the indoor baffle plate 103, the first bottom plate 104 and the first connecting baffle plate 105. The first rail receiving groove 108 is located between the connecting plate 106 and the first top plate 101, and the connecting plate 106 has a platform extending horizontally toward the second profile 2. The second rail receiving groove 207 has a platform extending horizontally toward both sides of the first profile 1 and the third profile 3. The outdoor baffle extension 306 has a platform extending horizontally in the direction of the first profile 1. The platforms are in the same horizontal position.

The second profile 2 further comprises a high-end connecting baffle plate 201, a low-end connecting baffle plate 203 and a second bottom plate 204, wherein one end of the high-end connecting baffle plate 201 is connected with the high end of the second inclined plate 202, the low end of the second inclined plate 202 is connected with one end of the low-end connecting baffle plate 203, the other end of the low-end connecting baffle plate 203 is connected with one end of the second bottom plate 204, the other end of the second bottom plate 204 is connected with the other end of the high-end connecting baffle plate 201, and the high-end connecting baffle plate 201, the second inclined plate 202, the low-end connecting baffle plate 203 and the second bottom plate 204 enclose a second cavity 205.

The third section bar 3 further comprises a second connecting baffle plate 301, an outdoor baffle plate 303 and a third bottom plate 304, one end of the second connecting baffle plate 301 is connected with one end of the second top plate 302, the other end of the second top plate 302 is connected with one end of the outdoor baffle plate 303, the other end of the outdoor baffle plate 303 is connected with one end of the third bottom plate 304, the other end of the third bottom plate 304 is connected with the other end of the second connecting baffle plate 301, and the second connecting baffle plate 301, the second top plate 302, the outdoor baffle plate 303 and the third bottom plate 304 form a third cavity 305.

The first section bar 1 is connected with the second section bar 2 through a heat insulation strip 4, and the second section bar 2 is connected with the third section bar 3 through the heat insulation strip 4. The heat insulation strips 4 are C-shaped heat insulation strips.

A first cover plate 5 is connected between the first guide rail placing groove 108 and the second guide rail placing groove 207, an outdoor baffle extending part 306 vertically extends upwards along the body of the outdoor baffle 303 of the third section bar 3, and a second cover plate 6 is connected between the second guide rail placing groove 207 and the outdoor baffle extending part 306; the first section bar 1 is vertically extended upwards along the body of the indoor baffle 103 to form an indoor baffle extension 109. A straight rod 501 with a clamping structure extends upwards from one side of the first cover plate 5 close to the second guide rail placing groove 207. The first cover plate 5 is overlapped on the platform of the connecting plate 106 extending horizontally towards the direction of the second section bar 2 and the platform of the second guide rail placing groove 207 extending horizontally towards the direction of the first section bar 1, and the lower part of the first cover plate 5 is extended with a hook claw to hook the lower part of the platform, similarly, the second cover plate 6 is also arranged similarly.

Cross screw holes are formed in the first inner cavity 107, the second inner cavity 205 and the third inner cavity 305; specifically, the cross screw hole in the first inner cavity 107 is located at the upper portion of the first bottom plate, the cross screw hole in the second inner cavity 205 is located at the lower portion of the second sloping plate 202, and the cross screw hole in the third inner cavity 305 is located at the upper portion of the third bottom plate 304.

During installation, the outdoor baffle extending part 306, the indoor baffle extending part 109 and the straight rod 501 are provided with clamping structures for installing various functional parts, such as adhesive tapes, pressing strips and the like. The outdoor baffle extension 306 and the indoor baffle extension 109 are used for shielding the door leaf to prevent the door leaf from separating from the profile after derailing, and meanwhile, the support rod 501 also has a certain blocking effect. Meanwhile, a water outlet is formed in the joint of the vertical rod 206 and the second inclined plate 202, the water is drained more conveniently due to the integral slope design, and meanwhile, solid impurities such as sand and stone can be effectively blocked due to the design of the cover plate, so that the water outlet is prevented from being blocked. The outdoor baffle extension part 306 is also provided with a water outlet for draining accumulated water in time.

The lower frame section bar 13 is connected with a transmission box 18 for driving the door leaf 9 to slide, and the transmission box 18 is connected with the guide rail in a sliding manner. The transmission box 18 has a self-locking structure, and can lock the guide rail to fix when closing the window, the transmission box 18 is directly purchased on the market by technical personnel who search for the type, and the technical specification can be directly browsed to know when needing to know the type of equipment, so the transmission box 18 is not repeated.

A buffer block 21 is connected between the upper frame section bar 11 and the door leaf 9, and a buffer block 21 is connected between the lower frame section bar 13 and the door leaf 9. Buffer block 21 is the cushion form, can guarantee as far as under the condition that does not influence door and window size and prevent falling and prevent breaking.

To sum up, the utility model provides a push-and-pull door, the gliding adopts long ramp type structure to add the apron structure, effectively improves the water proofness, goes up to go up and has the spacing groove, and the convenience is spacing to the door leaf with the cooperation of last frame section bar, prevents that it from rocking derailing even, and is clean more convenient.

Although the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the invention. That is, the methods, systems, and devices discussed above are examples. Various configurations may omit, substitute, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different than that described, and/or various components may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations, as different aspects and elements of the configurations may be combined in a similar manner. Further, elements therein may be updated as technology evolves, i.e., many elements are examples and do not limit the scope of the disclosure or claims.

Specific details are given in the description to provide a thorough understanding of the exemplary configurations including implementations. However, configurations may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this invention. The above examples are to be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.

Claims

1. A sliding door is characterized by comprising an auxiliary frame arranged on a wall and two sliding doors horizontally and relatively sliding in the auxiliary frame; the auxiliary frame comprises a first frame section, an upper slide, a second frame section and a lower slide which are connected in sequence; the sliding door comprises a door leaf and a sash frame wrapping the door leaf, wherein the sash frame comprises a mullion section, an upper frame section, a side frame section and a lower frame section which are sequentially connected; the upper frame section is connected in the upper slide in a sliding manner, the lower frame section is connected in the lower slide in a sliding manner, the frame sections of the two sash frames are respectively abutted against the first frame section and the second frame section, and the mullion sections of the two sash frames are abutted against each other; the lower slide comprises a first section bar, a second section bar and a third section bar which are connected in sequence; the upper slide comprises a fourth section bar, a fifth section bar and a sixth section bar which are connected in sequence.

2. The sliding door according to claim 1, wherein the fifth section bar is a rectangular section bar and extends downwards along a vertical direction in the middle of the section bar to form a fifth section bar extension, the fourth section bar and the sixth section bar are symmetrical according to the fifth section bar extension, the fourth section bar and the sixth section bar are in L-shaped structures, the fourth section bar extends downwards along a right-angle edge to form a fourth section bar extension, the sixth section bar extends downwards along a right-angle edge to form a sixth section bar extension, and the upper frame section bars are respectively wrapped between the fourth section bar and the fifth section bar extension and between the sixth section bar and the fifth section bar extension.

3. The sliding door according to claim 2, wherein a limiting groove is formed in the fourth section bar and the sixth section bar for matching with a limiting rod, and the limiting rod is clamped in the limiting groove of the upper frame section bar formed in the upper frame section bar.

4. A sliding door as claimed in claim 1, wherein said first section bar is of stepped configuration, said second section bar is of right trapezoidal configuration, and said third section bar is of quadrilateral configuration; the first section comprises a first top plate and a first inclined plate connected with one end of the first top plate, the second section comprises a second inclined plate, the third section comprises a second top plate, the first inclined plate of the first section, the second inclined plate of the second section and the second top plate of the third section are combined to form a slope-shaped drainage structure, the high end of the first inclined plate is higher than the low end of the first inclined plate, the low end of the first inclined plate is not lower than the high end of the second inclined plate, the high end of the second inclined plate is higher than the low end of the second inclined plate, and the low end of the second inclined plate is not lower than one end of the second top plate; first roof is close to open on one side of first swash plate has first guide rail arrangement groove, the one side that the second swash plate is close to the low side upwards extends along vertical direction has the montant and through the montant with the second guide rail arrangement groove that the second swash plate is connected, first guide rail arrangement groove with all install the guide rail on the second guide rail arrangement groove.

5. The sliding door according to claim 4, wherein a driving box for driving the door leaf to slide is connected to the lower frame section, and the driving box is slidably connected to the guide rail.

6. The sliding door according to claim 1, wherein the first frame section and the second frame section are rotationally symmetric, the frame section is provided with a locking point, the first frame section and the second frame section are respectively provided with a lock seat for wrapping the locking point to realize a door locking function, the mullion section extends with a boss along a direction perpendicular to a door leaf surface, and the bosses of the two mullion sections are abutted against each other.

7. The sliding door as claimed in claim 1, wherein a buffer block is connected between the upper frame section and the door leaf, and a buffer block is connected between the lower frame section and the door leaf.