PD sliding door track profile combination and track assembly

Abstract

The utility model relates to a PD sliding door track section bar combination and track assembly, which comprises a shell, a main track section bar, a sliding track section bar and a fixed track section bar, when in use, the main track section bar is assembled in the shell, the sliding track section bar is assembled in the main track section bar, a sliding groove of the sliding track section bar is positioned below an upper main track, and the fixed track section bar is positioned below a lower main track. The first pulley is located above the lower main track, and when the sliding track profile enters the fixed track, the second pulley is located above the fixed track. The rail parts of the main rail profile and the fixed rail profile adopt circular-shaft-shaped stainless steel rails or rails made of other wear-resistant materials as reinforcing rails, and then concave pulleys made of nylon materials are matched with the circular reinforcing rails, so that direct contact with aluminum alloy materials is avoided, the wear resistance of the rails is improved, and the service life of the rails is prolonged. And the contact surface of the reinforcing track and the wheel set is smoother and silent in the product using process.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding doors, in particular to a PD sliding door track profile combination and a track assembly. Background Art

[0002] At present, the existing PD door track structure is a combination of a concave track and a cam structure, such as the Chinese patent document with the authorization announcement number CN215292172 U, which discloses a track structure for a sliding door. Specifically, the embodiment part of the specification introduces the translation of the first sliding sash and the second sliding sash: the upper ends of the first sliding sash and the second sliding sash are both provided with a flipping part, and the side of the flipping part is fixed with multiple first hanging wheels by bolts, and the specific number depends on the width of the door leaf. Two first limit movable tracks are provided at the upper end of the swinging sash, and multiple second hanging wheels are provided in the first limit movable track, and the specific number depends on the width of the door leaf. The flipping part is hung on the second hanging wheel and moves in translation by rolling. Two second limit movable tracks are provided at the lower end of the upper frame, and the first hanging wheel 7 is aligned with the second limit movable track to ensure that after the first sliding sash and the second sliding sash are opened, they can be guided to move in translation by rolling in the second limit movable track through the first hanging wheel. The sides of the first limit movable track and the second limit movable track are both provided with blocking covers.

[0003] At present, most PD sliding door tracks adopt similar results as above. During use, the resistance and friction are too large, causing serious wear and tear of the aluminum alloy and dust, reducing the service life of the product and causing excessive noise. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings, the purpose of the present utility model is to provide a PD sliding door track profile combination and a track assembly.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a PD sliding door main track profile combination, including a main track profile, a sliding track profile, and a fixed track profile, wherein:

[0006] The main track profile includes a main profile body, an upper main track, and a lower main track. The upper main track and the lower main track are arranged on the same side of the main profile body and are parallel to each other. The lower side of the upper main track is provided with a first reinforcement track, and the upper side of the lower main track is provided with a second reinforcement track.

[0007] The sliding track profile comprises a sliding profile body and a sliding groove, wherein the sliding groove is located on one side of the sliding profile body, and a sliding wing is provided on the other side of the sliding profile body;

[0008] The fixed track profile includes a fixed profile body, a first side plate, a second side plate, and a fixed track. The first side plate and the second side plate are respectively arranged on both sides of the fixed profile body. The fixed track is located on the inner side of the first side plate, and a third reinforcing track is arranged on the upper surface of the fixed track.

[0009] Specifically, the first reinforcement rail, the second reinforcement rail, and the third reinforcement rail are all made of circular shaft-shaped stainless steel.

[0010] Specifically, a main profile lower wing and a main profile upper wing are provided on a side surface of the main profile body opposite to the upper main track and the lower main track.

[0011] Specifically, a cavity is provided in the fixed profile body, a flip horizontal wing is provided on the inner side of the second side plate, and a flip vertical wing is provided on the inner side and upper side of the flip horizontal wing.

[0012] A PD sliding door track assembly comprises an outer shell, a main track profile, a sliding track profile and a fixed track profile. When in use, the main track profile is assembled in the outer shell, the sliding track profile is assembled in the main track profile and slides along the main track profile. The fixed track profile and the main track profile are located in the same plane. When the main track profile is rotated to be in a straight line with the fixed track profile, the sliding track profile can slide into the fixed track profile.

[0013] Specifically, a first pulley and a second pulley are respectively provided on both sides of the sliding profile body of the sliding rail profile, wherein the first pulley is located at the rear end of the sliding rail profile, and the second pulley is located at the front end of the sliding rail profile; a third pulley is provided on one side of the main profile body of the main rail profile, and the third pulley is located at the front end of the main rail profile; the first pulley, the second pulley, and the third pulley are concave nylon wheels.

[0014] Specifically, the sliding groove of the sliding track profile is located below the upper main track and above the third pulley, and the first pulley is located above the second reinforced track, contacts with the second reinforced track, and slides along the second reinforced track.

[0015] Specifically, when the sliding rail profile enters the fixed rail, the second pulley is located above the third reinforced rail, contacts the third reinforced rail, and slides along the third reinforced rail.

[0016] The beneficial effects of the utility model are as follows: the track parts of the main track profile and the fixed track profile in the present application adopt round shaft-shaped stainless steel tracks or tracks made of other wear-resistant materials as reinforced tracks, and then the concave pulleys made of nylon material cooperate with the reinforced tracks to avoid direct contact with the aluminum alloy material, thereby extending the wear resistance of the tracks, and the contact surface between the tracks and the wheel set during the use of the product is smoother and quieter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main track profile structure of Example 1 of the utility model.

[0018] Figure 2 This is a schematic diagram of the sliding rail profile structure of Example 1 of the utility model.

[0019] Figure 3 This is a schematic diagram of the fixed rail profile structure of Example 1 of the utility model.

[0020] Figure 4 This is the track assembly of embodiment 2 of the utility model.

[0021] Figure 5 This is a schematic structural diagram of the outer shell and main track profile of Example 2 of the utility model assembled together.

[0022] Figure 6 It is a cross-sectional schematic diagram of the housing, main track profile and sliding track profile assembled together in Example 2 of the utility model.

[0023] Figure 7 It is a cross-sectional schematic diagram of the fixed rail profile and the sliding rail profile of the utility model being assembled together.

[0024] In the figure, 1 is a shell, 2 is a main track profile, 201 is a main profile body, 202 is an upper main track, 203 is a lower main track, 204 is a main profile lower wing, 205 is a main profile upper wing, 3 is a sliding track profile, 301 is a sliding profile body, 302 is a sliding groove, 303 is a sliding side wing, 4 is a fixed track, 401 is a fixed profile body, 402 is a first side plate, 403 is a fixed track, 404 is a second side plate, 405 is a flip horizontal wing, 406 is a flip vertical wing, 407 is a cavity, 408 is a decorative strip, 5 is a third reinforced track, 6 is a first reinforced track, 7 is a second reinforced track, 8 is a first pulley, 9 is a second pulley, and 10 is a third pulley. DETAILED DESCRIPTION

[0025] The utility model will now be further described in detail with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1 A PD sliding door main track profile assembly shown includes a main track profile 2, a sliding track profile 3, and a fixed track profile 4, wherein:

[0028] The main track profile 2 includes a main profile body 201, an upper main track 202, and a lower main track 203. The upper main track 202 and the lower main track 203 are arranged on the same side of the main profile body and are parallel to each other. The lower side of the upper main track 202 is provided with a first reinforcement track 6, and the upper side of the lower main track 203 is provided with a second reinforcement track 7;

[0029] The sliding rail profile 3 includes a sliding profile body 301 and a sliding groove 302. The sliding groove 302 is located on one side of the sliding profile body 301. The other side of the sliding profile body 301 is provided with a sliding wing 204 to maintain the balance of the profile and facilitate the beauty and dustproof after assembly.

[0030] The fixed rail profile 4 includes a fixed profile body 401, a first side plate 402, a second side plate 404, and a fixed rail 403. The first side plate 402 and the second side plate 404 are respectively arranged on both sides of the fixed profile body 401. The fixed rail 403 is located on the inner side of the first side plate 402. The upper surface of the fixed rail 402 is provided with a third reinforcing rail 5.

[0031] The main track profile 2, the sliding track profile 3 and the fixed track profile 4 are all made of aluminum alloy.

[0032] Specifically, the first reinforcement rail 6, the second reinforcement rail 7, and the third reinforcement rail 5 are all made of round shaft-shaped stainless steel and are covered in corresponding rail profiles.

[0033] Specifically, a main profile lower wing 204 and a main profile upper wing 205 are provided on a side of the main profile body 2 opposite to the upper main track 202 and the lower main track 203. The purpose is to strengthen the strength of the profile, to facilitate assembly in the outer shell, and to cooperate with the outer shell to present a sealed state to maintain the cleanliness of the inside of the track.

[0034] Specifically, a cavity 407 is provided in the fixed profile body 401 to enhance the strength of the profile, a flip horizontal wing 405 is provided on the inner side of the second side panel 404, a flip vertical wing 406 is provided on the inner side and upper side of the flip horizontal wing 405, a certain gap is provided between the fixed rail 403 and the flip vertical wing 406, and the sliding profile body can pass through the gap, the fixed rail 403 and the flip vertical wing 406 also play a certain limiting role to ensure that the sliding rail profile is relatively stable during the sliding process, and a decorative strip 408 is provided on the outer side of the first side panel 402.

[0035] Example 2

[0036] A PD sliding door track assembly includes an outer shell 1, a main track profile 2, a sliding track profile 3, and a fixed track profile 4. When in use, the main track profile 2 is assembled in the outer shell 1, and the outer shell 1 is the upper side of the frame of a rotatable door leaf. The fixed track profile 4 is assembled on the upper side of the door frame. This is the prior art and will not be described in detail. The sliding track profile 3 is assembled in the main track profile 1 and slides along the main track profile 2. The fixed track profile 4 and the main track profile 2 are located in the same plane. When the main track profile is rotated to be in a straight line with the fixed track profile 4, the sliding track profile can slide into the fixed track profile 4 after docking.

[0037] Specifically, a first pulley 8 and a second pulley 10 are respectively provided on both sides of the sliding profile body 301 of the sliding rail profile 3, wherein the first pulley 8 is located at the rear end of the sliding rail profile 3, and the second pulley 10 is located at the front end of the sliding rail profile 3; a third pulley 10 is provided on one side of the main profile body 101 of the main rail profile 1, and the third pulley 10 is located at the front end of the main rail profile 1; the first pulley 8, the second pulley 9, and the third pulley 10 are concave nylon wheels, wherein the first pulley 8 and the second pulley 9 are force-bearing pulley groups; during the use of the product, the contact surfaces of the first pulley 8 and the second reinforced rail 7, and the second pulley 9 and the third reinforced rail 5 are smoother and quieter, and the sliding is smoother, avoiding contact between the pulleys and the rail profile made of aluminum alloy, thereby extending the wear resistance of the rail profile.

[0038] Specifically, the sliding groove 302 of the sliding rail profile 3 is located below the upper main rail 201, and its shape is adapted to the upper main rail 201, and above the third pulley 10. The first pulley 8 is located above the second reinforced rail 7, contacts with the second reinforced rail 7, and slides along the second reinforced rail 7.

[0039] Specifically, when the sliding rail profile 3 enters the fixed rail, the second pulley is located above the third reinforced rail 5 , contacts the third reinforced rail 5 , and slides along the third reinforced rail 5 .

[0040] The present invention is not limited to the described implementation modes, and anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solutions that are the same or similar to the present invention fall within the protection scope of the present invention.

[0041] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

Claims

1. A PD sliding door track profile assembly, comprising a main track profile, a sliding track profile, and a fixed track profile, characterized in that: The main track profile comprises a main profile body, an upper main track and a lower main track. The upper main track and the lower main track are arranged on the same side of the main profile body and are parallel to each other. The lower side of the upper main track is provided with a first reinforcement track, and the upper side of the lower main track is provided with a second reinforcement track. The fixed track profile includes a fixed profile body, a first side plate, a second side plate, and a fixed track. The first side plate and the second side plate are respectively arranged on both sides of the fixed profile body. The fixed track is located on the inner side of the first side plate, and a third reinforcing track is arranged on the upper surface of the fixed track.

2. A PD sliding door track profile assembly according to claim 1, characterized in that: The sliding track profile comprises a sliding profile body and a sliding groove, wherein the sliding groove is located on one side of the sliding profile body.

3. The PD sliding door track profile assembly according to claim 1, characterized in that: The first reinforcement rail, the second reinforcement rail and the third reinforcement rail are all made of round shaft-shaped stainless steel.

4. The PD sliding door track profile assembly according to claim 1, characterized in that: A main profile lower wing and a main profile upper wing are arranged on a side surface of the main profile body opposite to the upper main track and the lower main track.

5. The PD sliding door track profile assembly according to claim 1, characterized in that: A cavity is provided in the fixed profile body, a flip horizontal wing is provided on the inner side of the second side plate, and a flip vertical wing is provided on the inner side and upper side of the flip horizontal wing.

6. A PD sliding door track assembly, comprising a housing, characterized in that: Adopting any one of the rail profile combinations described in claims 1 to 5, the main rail profile is assembled in the outer shell, the sliding rail profile is assembled in the main rail profile and slides along the main rail profile, the fixed rail profile and the main rail profile are located in the same plane, and when the main rail profile is rotated to be in a straight line with the fixed rail profile, the sliding rail profile can slide into the fixed rail profile.

7. A PD sliding door track assembly according to claim 6, characterized in that: The sliding track profile has a first pulley and a second pulley on both sides of the sliding profile body, wherein the first pulley is located at the rear end of the sliding track profile, and the second pulley is located at the front end of the sliding track profile. A third pulley is provided on one side of the main profile body of the main track profile, and the third pulley is located at the front end of the main track profile.

8. The PD sliding door track assembly according to claim 7, characterized in that: The sliding groove of the sliding track profile is located below the upper main track and above the third pulley, and the first pulley is located above the second reinforced track.

9. The PD sliding door track assembly according to claim 7, characterized in that: When the sliding rail profile enters the fixed rail, the second pulley is located above the third reinforced rail.

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