Sliding door and heat insulation broken bridge thereof

Abstract

The utility model relates to the technical field of sliding doors, in particular to a heat insulation broken bridge of a sliding door and the sliding door comprising the heat insulation broken bridge. The heat insulation broken bridge is arranged between an indoor side sectional material and an outdoor side sectional material of the door leaf, an inwards-concave cavity and a hollow part are formed in the heat insulation broken bridge, the inwards-concave cavity is open towards the peripheral side of the door leaf and used for containing hardware, and the hollow part is arranged on the peripheral side of the inwards-concave cavity. The hardware containing cavity and the heat insulation broken bridge are integrated, the situation that the space on the section of the door leaf is occupied due to the fact that the hardware containing cavity is formed in the indoor side sectional material or the outdoor side sectional material of the door leaf is avoided, limitation on the design size of the heat insulation broken bridge is eliminated, the heat insulation broken bridge can be designed to be large in size, and the heat insulation performance of the heat insulation broken bridge is improved; the hollow part can provide an assembly space for connection and fixation of the hardware contained in the inwards-concave cavity and the heat insulation broken bridge, meanwhile, heat conduction of the hardware is restrained, the good heat insulation effect is achieved, and therefore the heat insulation and heat preservation performance of the heat insulation broken bridge is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sliding door technical field especially relates to a kind of heat-insulating broken bridge of sliding door and a kind of sliding door including the heat-insulating broken bridge. BACKGROUND

[0002] The sliding door has the door leaf of lifting, descending and sliding, usually, the door leaf has indoor side section bar and outdoor side section bar, indoor side section bar and outdoor side section bar are equipped with heat-insulating broken bridge between, to realize heat-insulation performance, simultaneously, indoor side section bar and outdoor side section bar are also equipped with hardware (such as door wheel, driving component etc.), to realize sliding and locking function etc. In prior art, cavity is arranged in the indoor side section bar or the outdoor side section bar of door leaf to accommodate and install fixed hardware, the setting of this cavity occupies the space on the section of door leaf, leading to the size of heat-insulating broken bridge is limited, cannot use large size heat-insulating broken bridge, causing heat-insulation performance cannot be improved. In addition, hardware is installed and fixed in the cavity of indoor side section bar or the outdoor side section bar of door leaf, can make the center position of hardware deviate from the center of door leaf, for door wheel, the center position of door wheel deviates from the center of door leaf, i.e. deviates from the center of gravity of door leaf glass, can lead to the problem such as inclination, opening and closing not smooth when door leaf is pushed and pulled. SUMMARY

[0003] In view of the above-mentioned defects of prior art, the technical problem to be solved by the utility model is to provide a kind of heat-insulating broken bridge of sliding door, can increase design size, improve heat-insulation performance.

[0004] To solve the above-mentioned technical problem, the utility model adopts the following technical scheme:

[0005] The utility model provides a kind of heat-insulating broken bridge of sliding door, is located between the indoor side section bar and the outdoor side section bar of door leaf, heat-insulating broken bridge is formed with inner recess cavity and hollow part, inner recess cavity is opened towards the outer peripheral side of door leaf, for accommodating hardware, hollow part is located at the outer peripheral side of inner recess cavity.

[0006] Preferably, indoor side section bar and outdoor side section bar are all lower edge section bar of door leaf, and hardware is door wheel;And / or, indoor side section bar and outdoor side section bar are all vertical edge section bar of door leaf, and hardware is driving component.

[0007] Preferably, the center line of inner recess cavity coincides with the center line of door leaf.

[0008] Preferably, installation piece is arranged in the one end of hollow part away from the outer peripheral side of door leaf.

[0009] Preferably, installation piece is arranged in the one end of hollow part away from the outer peripheral side of door leaf.

[0010] Preferably, the mounting member is arranged in the hollow portion from the side of the thermal break away from the outer peripheral side of the door leaf.

[0011] Preferably, a limiting groove is arranged in the hollow portion, and the mounting member is arranged in the limiting groove, and the limiting groove limits the movement of the mounting member in the indoor-outdoor direction.

[0012] Preferably, the thermal break comprises a first thermal strip, the first thermal strip connects the indoor-side profile and the outdoor-side profile, and the first thermal strip is formed with the concave cavity and the hollow portion.

[0013] Preferably, the first thermal strip comprises a first edge portion, a second edge portion and a third edge portion which are all internally hollow structures, the first edge portion and the second edge portion are oppositely arranged in the indoor-outdoor direction and are respectively connected with the indoor-side profile and the outdoor-side profile, one end of the first edge portion away from the outer peripheral side of the door leaf and one end of the second edge portion away from the outer peripheral side of the door leaf are connected through the third edge portion, the first edge portion, the second edge portion and the third edge portion form the concave cavity therebetween, and the internal spaces of the first edge portion, the second edge portion and the third edge portion form the hollow portion.

[0014] Preferably, one end of the first edge portion close to the outer peripheral side of the door leaf is connected with the indoor-side profile, and one end of the second edge portion close to the outer peripheral side of the door leaf is connected with the outdoor-side profile.

[0015] Preferably, the indoor-side profile and the outdoor-side profile are respectively provided with a first clamping groove and a second clamping groove on the opposite sides thereof, the first edge portion is provided with a first protruding portion which is clamped in the first clamping groove, and the second edge portion is provided with a second protruding portion which is clamped in the second clamping groove.

[0016] Preferably, the thermal break further comprises a second thermal strip, the second thermal strip is arranged in the indoor-outdoor direction away from the first thermal strip and is connected with the indoor-side profile and the outdoor-side profile, and a thermal cavity is formed between the second thermal strip, the first thermal strip, the indoor-side profile and the outdoor-side profile.

[0017] Preferably, the indoor-side profile and the outdoor-side profile are respectively provided with a third clamping groove and a fourth clamping groove on the opposite sides thereof, and the two ends of the second thermal strip are respectively clamped in the third clamping groove and the fourth clamping groove.

[0018] The utility model further provides a sliding door which comprises the thermal break of the sliding door as described above.

[0019] Compared with the prior art, the utility model has the following remarkable progress:

[0020] The utility model discloses a recessed cavity is formed on the heat insulation broken bridge to accommodate hardware, and the hardware accommodating cavity is integrated with the heat insulation broken bridge, which avoids occupying the space on the section of the door leaf by setting the hardware accommodating cavity on the indoor profile or the outdoor profile of the door leaf, eliminates the limitation on the design size of the heat insulation broken bridge, and therefore can increase the design size of the heat insulation broken bridge, designs the heat insulation broken bridge as a large size, and can significantly improve the heat insulation performance of the heat insulation broken bridge. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the side view schematic drawing of the heat insulation broken bridge of the sliding door of the utility model embodiment, and is arranged between the lower edge profiles of the door leaf.

[0022] Figure 2 It is the plan view schematic drawing of the heat insulation broken bridge of the sliding door of the utility model embodiment, and is arranged between the vertical edge profiles of the door leaf.

[0023] Among them, the sign explanation is as follows:

[0024] 100 door leaf

[0025] 101 indoor profile

[0026] 1011 first clamping groove

[0027] 1012 third clamping groove

[0028] 102 outdoor profile

[0029] 1021 second clamping groove

[0030] 1022 fourth clamping groove

[0031] 103 glass pad

[0032] 200 door frame

[0033] 201 lower frame

[0034] 202 lower guide rail

[0035] 203 vertical frame

[0036] 300 hardware

[0037] 301 door wheel

[0038] 302 driving part

[0039] 1 inner concave cavity

[0040] 2 hollow part

[0041] 3 mounting piece

[0042] 4 limiting groove

[0043] 5 first heat insulation strip

[0044] 51 first edge part

[0045] 511 first protruding part

[0046] 52 second edge part

[0047] 521 second protruding part

[0048] 53 third edge part

[0049] 6 second heat insulation strip

[0050] 7 heat insulation cavity DETAILED DESCRIPTION

[0051] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. These embodiments are only used to illustrate the present application, and are not a limitation on the present application.

[0052] In the description of the present application, it should be pointed out that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0053] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] In addition, in the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0055] As Figure 1 and Figure 2 shown, an embodiment of the heat insulation broken bridge of the sliding door provided by the utility model. In the description of the utility model, define "outdoor" side as Figure 1 the left side of the paper and Figure 2 the upper side of the paper, "indoor" side as Figure 1 the right side of the paper and Figure 2 the lower side of the paper, indoor and outdoor direction as Figure 1 the left and right direction of the paper and Figure 2 the up and down direction of the paper;Define "upper" side as Figure 1 the upper side of the paper and Figure 2 the paper outer side of the paper, "lower" side as Figure 1 the lower side of the paper and Figure 2 the paper inner side of the paper, up and down direction as vertical direction;Define "left" side as Figure 1 the paper outer side of the paper and Figure 2 the left side of the paper, "right" side as Figure 1 the paper inner side of the paper and Figure 2 the right side of the paper, left and right direction as horizontal direction.

[0056] Referring to Figure 1 and Figure 2 , the heat insulation broken bridge of the sliding door of the embodiment is arranged between the indoor side profile 101 and the outdoor side profile 102 of the door leaf 100 to realize heat insulation performance. The door leaf 100 is installed in the door frame 200, and under the action of external force, the door leaf 100 of the sliding door can be lifted or lowered in the vertical direction and slide in the horizontal direction in the door frame 200. The hardware 300 is arranged in the door leaf 100, and the hardware 300 includes a door wheel 301 and a driving component 302, which are used to realize the sliding and locking functions of the door leaf 100.

[0057] The heat insulation broken bridge of the sliding door of the embodiment connects the indoor side profile 101 and the outdoor side profile 102, and the heat insulation broken bridge is formed with a concave cavity 1 and a hollow part 2. The concave cavity 1 is in the form of a concave groove with one end open, and the concave cavity 1 is open towards the outer peripheral side of the door leaf 100, which refers to the side of the outer peripheral edge of the door leaf 100 close to the door frame 200 relative to the abutting. The concave cavity 1 is used to accommodate the hardware 300, and the hardware 300 can be assembled into the concave cavity 1 from the opening of the concave cavity 1, so as to be accommodated by the concave cavity 1. The hollow part 2 is in the form of a cavity structure, and the hollow part 2 is arranged at the outer peripheral side of the concave cavity 1, so that the inside of the hollow part 2 and the inside of the concave cavity 1 are separated from each other, and the outer peripheral side of the concave cavity 1 refers to the side of the outer peripheral edge of the concave cavity 1 away from the inside of the concave cavity 1 except the opening.

[0058] The heat insulation broken bridge of the sliding door of the embodiment can accommodate the hardware 300 by forming the inner concave cavity 1 on the heat insulation broken bridge, so that the accommodation cavity of the hardware 300 is integrated with the heat insulation broken bridge, avoiding occupying the space on the cross section of the door leaf 100 by setting the accommodation cavity of the hardware 300 on the indoor side profile 101 or the outdoor side profile 102 of the door leaf 100, eliminating the limitation on the design size of the heat insulation broken bridge, so that the design size of the heat insulation broken bridge can be increased, the heat insulation broken bridge is designed to be large in size, and the heat insulation performance of the heat insulation broken bridge can be significantly improved. The hollow part 2 located at the outer peripheral side of the inner concave cavity 1 is formed on the heat insulation broken bridge, the hollow part 2 can provide assembly space for the connection and fixation of the hardware 300 accommodated in the inner concave cavity 1 and the heat insulation broken bridge, and at the same time, the heat conduction of the hardware 300 is inhibited, which has a good heat insulation effect, thereby improving the heat insulation performance of the heat insulation broken bridge. Through the heat insulation broken bridge of the sliding door of the embodiment, the heat insulation performance of the door leaf 100 as a whole can be improved by one level or more.

[0059] The heat insulation broken bridge of the sliding door of the embodiment can be arranged at the lower edge of the door leaf 100. As shown in Figure 1 , the indoor side profile 101 and the outdoor side profile 102 are both lower edge profiles of the door leaf 100, and the lower edge profiles of the door leaf 100 abut against the lower edge frame 201 of the door frame 200. At this time, the inner concave cavity 1 opens towards the lower side of the door leaf 100, and the hardware 300 is a door wheel 301, the upper end of the door wheel 301 is accommodated in the inner concave cavity 1, and the lower end of the door wheel 301 is in sliding cooperation with the lower guide rail 202 on the lower edge frame 201.

[0060] The heat insulation broken bridge of the sliding door of the embodiment can also be arranged at the vertical side edge of the door leaf 100. As shown in Figure 2 , the indoor side profile 101 and the outdoor side profile 102 are both vertical edge profiles of the door leaf 100, and the vertical edge profiles of the door leaf 100 abut against the vertical edge frame 203 of the door frame 200. The hardware 300 is a driving component 302, and one end of the driving component 302 is accommodated in the inner concave cavity 1. The vertical edge frame 203 can be located at the left side of the sliding door as shown in Figure 2 , or can be located at the right side of the sliding door. Correspondingly, the vertical edge profile of the door leaf 100 can be located at the left side of the door leaf 100 as shown in Figure 2 , and the inner concave cavity 1 opens towards the left side of the door leaf 100. The vertical edge profile of the door leaf 100 can also be located at the right side of the door leaf 100, and the inner concave cavity 1 opens towards the right side of the door leaf 100.

[0061] Preferably, the heat insulation broken bridge of the sliding door of the embodiment is arranged at the lower edge of the door leaf 100 and at the vertical side edge of the door leaf 100.

[0062] In the embodiment, preferably, the center line of the inner recessed cavity 1 coincides with the center line of the door leaf 100, so that the center position of the hardware 300 accommodated in the inner recessed cavity 1 does not deviate from the center of the door leaf 100. As shown in Figure 1 When the heat-insulating broken bridge of the sliding door of the embodiment is arranged at the lower edge of the door leaf 100, the vertical center line of the inner recessed cavity 1 coincides with the vertical center line of the door leaf 100, the upper end of the door wheel 301 is accommodated and clamped in the inner recessed cavity 1, so that the center position of the door wheel 301 is located on the vertical center line of the inner recessed cavity 1 and on the vertical center line of the door leaf 100, the lower end of the glass of the door leaf 100 is mounted on the lower edge profile of the door leaf 100, the weight of the glass of the door leaf 100 is entirely borne by the door wheel 301, the center of gravity of the glass of the door leaf 100 is located on the vertical center line of the door leaf 100, so that the center position of the door wheel 301 and the center of gravity of the glass of the door leaf 100 are located on the same vertical center line, so that the door leaf 100 does not tilt when sliding, and the smooth opening and closing of the door leaf 100 can be ensured.

[0063] In the embodiment, preferably, the hollow portion 2 is provided with a mounting member 3, and the hardware 300 accommodated in the inner recessed cavity 1 is connected with the mounting member 3 through a fastener penetrating the heat-insulating broken bridge, and the fastener is preferably a screw. In this way, the hardware 300 and the heat-insulating broken bridge can be connected and fixed, and the mounting strength can be ensured.

[0064] Preferably, the mounting member 3 is arranged in one end of the hollow portion 2 away from the outer peripheral side of the door leaf 100, so that the fastener can be inserted into the inner recessed cavity 1 from the opening of the inner recessed cavity 1 in a direction away from the outer peripheral side of the door leaf 100, and sequentially penetrate the hardware 300, the heat-insulating broken bridge and the mounting member 3 to fasten and connect the hardware 300 and the mounting member 3, so that the mounting and fixing of the hardware 300 on the heat-insulating broken bridge can be facilitated.

[0065] As shown in Figure 1 When the heat-insulating broken bridge of the sliding door of the embodiment is arranged at the lower edge of the door leaf 100, the mounting member 3 penetrates into the hollow portion 2 from one side of the heat-insulating broken bridge away from the outer peripheral side of the door leaf 100 (i.e. the upper side of the heat-insulating broken bridge), at this time, the upper end of the door wheel 301 and the lower end of the mounting member 3 inserted into the hollow portion 2 are connected and fixed by the fastener inserted into the inner recessed cavity 1 and the hollow portion 2 from the lower side opening of the inner recessed cavity 1, so that the mounting operation is very convenient. The upper end of the mounting member 3 is located on the upper side of the heat-insulating broken bridge and is connected and fixed with the outdoor side profile 102 (or the indoor side profile 101) by a screw, and the lower end of the glass of the door leaf 100 is placed on the upper end of the mounting member 3 through the glass pad 103, so that the weight of the glass of the door leaf 100 is entirely borne by the door wheel 301, and the center of gravity of the glass of the door leaf 100 and the center position of the door wheel 301 are located on the same vertical center line.

[0066] As shown in Figure 2As shown, when the heat-insulating broken bridge of the sliding door of the present embodiment is arranged at the vertical side of the door leaf 100, the mounting member 3 is accommodated in the hollow portion 2, at this time, the mounting member 3 can be inserted into the hollow portion 2 from the upper end or the lower end of the hollow portion 2, one end of the driving member 302 is accommodated and clamped in the inner recessed cavity 1, and is connected and fixed by the fastener which extends into the inner recessed cavity 1 and the hollow portion 2 from the left side (or the right side) opening of the inner recessed cavity 1 to the right (or to the left), the mounting operation is very convenient. At this time, the mounting member 3 is in the form of a plate, and by fixing the driving member 302 through the mounting member 3, the load generated by the movement of the driving member 302 can also be borne, thereby ensuring the strength.

[0067] Preferably, a limiting groove 4 is arranged in the hollow portion 2, and the mounting member 3 is arranged in the limiting groove 4, the limiting groove 4 limits the movement of the mounting member 3 in the indoor and outdoor direction, so as to ensure the stability of the mounting of the hardware 300 and the heat-insulating broken bridge.

[0068] In the present embodiment, preferably, the heat-insulating broken bridge comprises a first heat-insulating strip 5, the first heat-insulating strip 5 connects the indoor side profile 101 and the outdoor side profile 102, and the inner recessed cavity 1 and the hollow portion 2 are formed in the first heat-insulating strip 5. Specifically, the first heat-insulating strip 5 comprises a first edge portion 51, a second edge portion 52 and a third edge portion 53, and the first edge portion 51, the second edge portion 52 and the third edge portion 53 are all internally hollow structures. The first edge portion 51 and the second edge portion 52 are arranged opposite to each other along the indoor and outdoor direction, the first edge portion 51 is connected with the indoor side profile 101, and the second edge portion 52 is connected with the outdoor side profile 102. One end of the first edge portion 51 away from the outer peripheral side of the door leaf 100 and one end of the second edge portion 52 away from the outer peripheral side of the door leaf 100 are connected through the third edge portion 53. The inner recessed cavity 1 is formed between the first edge portion 51, the second edge portion 52 and the third edge portion 53, and the opening of the inner recessed cavity 1 is formed between one end of the first edge portion 51 close to the outer peripheral side of the door leaf 100 and one end of the second edge portion 52 close to the outer peripheral side of the door leaf 100. The inner space of the first edge portion 51, the second edge portion 52 and the third edge portion 53 forms the hollow portion 2 located at the outer peripheral side of the inner recessed cavity 1. The mounting member 3 is preferably arranged in the third edge portion 53, and the fastener extends into the inner recessed cavity 1 from the opening of the inner recessed cavity 1 in the direction away from the outer peripheral side of the door leaf 100, and sequentially passes through the hardware 300, the third edge portion 53 and the mounting member 3 to fasten and connect the hardware 300 and the mounting member 3.

[0069] Preferably, the first edge portion 51 is connected to the indoor side profile 101 through one end close to the outer peripheral side of the door leaf 100, and the second edge portion 52 is connected to the outdoor side profile 102 through one end close to the outer peripheral side of the door leaf 100. Specifically, the indoor side profile 101 and the outdoor side profile 102 are respectively provided with a first clamping groove 1011 and a second clamping groove 1021 on opposite sides, and the first edge portion 51 is provided with a first protruding portion 511 clamped in the first clamping groove 1011, and the second edge portion 52 is provided with a second protruding portion 521 clamped in the second clamping groove 1021.

[0070] In the embodiment, preferably, the heat insulation broken bridge further comprises a second heat insulation strip 6, which is arranged at a side of the first heat insulation strip 5 away from the outer peripheral side of the door leaf 100. The second heat insulation strip 6 connects the indoor side profile 101 and the outdoor side profile 102, and preferably, the indoor side profile 101 and the outdoor side profile 102 are respectively provided with a third clamping groove 1012 and a fourth clamping groove 1022 on opposite sides, and the two ends of the second heat insulation strip 6 are respectively clamped in the third clamping groove 1012 and the fourth clamping groove 1022. A heat insulation cavity 7 is formed between the second heat insulation strip 6, the first heat insulation strip 5, the indoor side profile 101 and the outdoor side profile 102. Thus, the heat insulation broken bridge forms a multi-cavity structure, which can improve the heat insulation performance.

[0071] Based on the heat insulation broken bridge of the sliding door of the utility model, the utility model embodiment further provides a sliding door. The sliding door of the embodiment comprises the heat insulation broken bridge of the sliding door described above in the embodiment.

[0072] The above description is only the preferred embodiments of the utility model, and it should be pointed out that for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, a number of improvements and substitutions can be made, and these improvements and substitutions should be regarded as the protection scope of the utility model.

Claims

1. A thermal break for a sliding door, arranged between an indoor profile (101) and an outdoor profile (102) of a door leaf (100), characterized in that, The heat insulation bridge is provided with an inner concave cavity (1) and a hollow part (2), the inner concave cavity (1) is opened towards the outer peripheral side of the door leaf (100) and is used for accommodating hardware (300), and the hollow part (2) is arranged at the outer peripheral side of the inner concave cavity (1).

2. A thermally broken bridge for a sliding door according to claim 1, characterised in that, The indoor side profile (101) and the outdoor side profile (102) are both lower edge profiles of the door leaf (100), and the hardware (300) is a door wheel (301); and / or, the indoor side profile (101) and the outdoor side profile (102) are both vertical edge profiles of the door leaf (100), and the hardware (300) is a driving component (302).

3. A thermally broken bridge for a sliding door according to claim 1, wherein, The center line of the inner concave cavity (1) coincides with the center line of the door leaf (100).

4. The thermally broken bridge of a sliding door according to claim 1, characterized in that, The hollow part (2) is provided with a mounting part (3), and the hardware (300) is connected with the mounting part (3) through a fastener penetrating the heat insulation bridge.

5. A thermally broken bridge for a sliding door according to claim 4, wherein, The mounting part (3) is arranged in one end of the hollow part (2) away from the outer peripheral side of the door leaf (100), and the mounting part (3) penetrates from one side of the heat insulation bridge away from the outer peripheral side of the door leaf (100) into the hollow part (2), or the mounting part (3) is accommodated in the hollow part (2).

6. A thermally broken bridge for a sliding door according to claim 4, wherein, The hollow part (2) is provided with a limiting groove (4), and the mounting part (3) is arranged in the limiting groove (4), and the limiting groove (4) limits the movement of the mounting part (3) in the indoor and outdoor directions.

7. A thermally broken bridge for a sliding door according to claim 1, wherein, The heat insulation bridge comprises a first heat insulation strip (5) connecting the indoor side profile (101) and the outdoor side profile (102), the first heat insulation strip (5) comprises a first edge part (51), a second edge part (52) and a third edge part (53) which are all internally hollow structures, the first edge part (51) and the second edge part (52) are oppositely arranged and connected with the indoor side profile (101) and the outdoor side profile (102) respectively along the indoor and outdoor directions, one end of the first edge part (51) away from the outer peripheral side of the door leaf (100) and one end of the second edge part (52) away from the outer peripheral side of the door leaf (100) are connected through the third edge part (53), the first edge part (51), the second edge part (52) and the third edge part (53) form the inner concave cavity (1), and the internal space of the first edge part (51), the second edge part (52) and the third edge part (53) forms the hollow part (2).

8. A thermally broken bridge for a sliding door according to claim 7, characterised in that, The first edge part (51) is connected with the indoor side profile (101) through one end close to the outer peripheral side of the door leaf (100), and the second edge part (52) is connected with the outdoor side profile (102) through one end close to the outer peripheral side of the door leaf (100).

9. A thermally broken bridge for a sliding door according to claim 7, wherein, The thermal break further comprises a second thermal break strip (6) which is spaced apart from the first thermal break strip (5) on a side away from the outer periphery of the door leaf (100) and connects the indoor side profile (101) and the outdoor side profile (102), a thermal break cavity (7) being formed between the second thermal break strip (6), the first thermal break strip (5), the indoor side profile (101) and the outdoor side profile (102).

10. A sliding door, characterized in that A thermal break comprising a sliding door as claimed in any one of claims 1 to 9.

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