Double-rail track supporting structure

Abstract

The utility model relates to a double-track track supporting structure. The technical problem that due to the fact that an existing tackle and an existing hanging wheel incline, the side face of a rolling wheel scrapes the inner wall of a curtain rail is solved. Comprising a curtain track, a track opening is formed in one side of the curtain track, an upper track groove and a lower track groove are formed in the curtain track, the lower track groove is communicated with the track opening, a hanging wheel and / or a tackle are / is movably arranged in the lower track groove, and idler wheel guide parts are arranged in the lower track groove and located on the two sides of the track opening respectively. A transverse-cutting-preventing rib is arranged between the upper rail groove and the lower rail groove, the hanging wheel and the pulley are provided with idler wheel bodies respectively, the idler wheel bodies are arranged on the idler wheel guiding parts in a rolling mode, and the circumferential outer sides of the idler wheel bodies make rolling contact with the transverse-cutting-preventing rib. The curtain rail has the advantages that the two anti-transverse-cutting ribs are installed in the middle of the interior of the curtain rail, when the roller body inclines, the roller body can make contact with the roller guide faces of the anti-transverse-cutting ribs, in this way, the roller body can be automatically guided, meanwhile, the outer side of the roller body can be in rolling friction with the roller guide faces, and resistance is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of curtain tracks, and particularly relates to a double-track support structure. Background Art

[0002] In curtain tracks, the cooperation of sliding blocks and hanging wheels is indispensable. The sliding blocks and hanging wheels are used to connect the curtain fabric and drag the curtain fabric to move for the opening and closing of the curtain. The sliding blocks and hanging wheels are movably installed in the curtain track. When the curtain fabric moves, it will shake due to its weight, causing the sliding blocks and hanging wheels to tilt. As a result, the side surfaces of the rollers of the sliding blocks and hanging wheels will rub against the inner wall of the curtain track, and at the same time, the rollers will vibrate, increasing the moving resistance and noise, which affects normal use. Summary of the Invention

[0003] The purpose of the utility model is to solve the above problems and provide a double-track support structure.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: A double-track support structure includes a curtain track. One side of the curtain track has a track opening extending axially for one end of the hanging wheel and the sliding block to pass through. Inside the curtain track, there are upper and lower corresponding and interconnected upper track grooves and lower track grooves, and the lower track groove is connected to the track opening. In the lower track groove, a hanging wheel and / or a sliding block are movably arranged, and the upper end of the sliding block extends into the upper track groove, and the lower ends of both the hanging wheel and the sliding block pass through the track opening. On both sides of the track opening in the lower track groove, there are respectively roller guiding parts extending along the axial direction of the curtain track. Between the upper track groove and the lower track groove, there is at least one horizontally arranged anti-crossing rib corresponding to one of the roller guiding parts. The hanging wheel and the sliding block respectively have roller bodies rolling in the lower track groove. The roller bodies roll on the roller guiding parts and the outer circumference of the roller bodies is in rolling contact with the anti-crossing rib. The hanging wheel and the sliding block are movably arranged in the lower track groove through the roller bodies. When the hanging wheel and the sliding block tilt, the roller bodies will contact the anti-crossing rib, which can avoid the friction between the side parts of the roller bodies and the inside of the curtain track, improve the service life of the roller bodies, and at the same time reduce noise.

[0005] In the above double-track support structure, the number of the roller bodies is two and they are symmetrically arranged on both sides of the hanging wheel or the sliding block. In the lower track groove, a hanging wheel and a sliding block are respectively movably arranged, and the roller bodies on the hanging wheel and the sliding block are of the same size.

[0006] In the above-described double-rail track support structure, two anti-cross-cut ribs are provided between the upper track groove and the lower track groove, and the anti-cross-cut ribs are respectively arranged in a one-to-one correspondence with the roller guiding portions up and down. The two anti-cross-cut ribs can prevent the hanging wheels and the sliding blocks from swaying left and right, thereby reducing friction, and the anti-cross-cut ribs and the roller guiding portions can be used to limit the running inclination angle of the roller body.

[0007] In the above-described double-rail track support structure, on the side of the inner side of the curtain track away from the track opening, there are two vertically arranged and parallel upper longitudinal ribs, and on the side of the inner side of the curtain track close to the track opening, there are two lower longitudinal ribs respectively located on both sides of the track opening and arranged vertically and parallelly. The upper longitudinal ribs and the lower longitudinal ribs are respectively arranged in a one-to-one correspondence up and down. The upper longitudinal ribs and the lower longitudinal ribs are used to limit the running of the hanging wheels or the sliding blocks, reduce the amplitude of swaying, and improve stability.

[0008] In the above-described double-rail track support structure, the upper longitudinal ribs and the lower longitudinal ribs are integrally formed axially within the curtain track, and the roller guiding portion is located between the side portion of the track opening and the lower longitudinal rib.

[0009] In the above-described double-rail track support structure, two horizontally arranged transverse ribs are symmetrically arranged on the inner side of the curtain track. On one side of each transverse rib, there are upper side ribs corresponding to the upper longitudinal ribs up and down, and on the other side of each transverse rib, there are lower side ribs corresponding to the lower longitudinal ribs up and down. The anti-cross-cut rib is located between the horizontally arranged upper side ribs and lower side ribs and on the side of the transverse rib away from the curtain track. When the roller body is inclined and comes into contact with the anti-cross-cut rib, when the roller body rolls and rubs against the anti-cross-cut rib, it can be automatically corrected, thereby improving the running stability.

[0010] In the above-described double-rail track support structure, the transverse rib and the anti-cross-cut rib are on the same horizontal plane, and the upper side ribs and the lower side ribs are on the same vertical line. The transverse rib, the anti-cross-cut rib, the upper side ribs and the lower side ribs are arranged in a cross shape and are all connected to the curtain track as an integral structure.

[0011] In the above-described double-rail track support structure, the upper track groove is formed between two upper longitudinal ribs, two upper side ribs, two anti-cross-cut ribs and the side of the curtain track away from the side with the track opening, and the lower track groove is formed between two lower longitudinal ribs, two lower side ribs, two anti-cross-cut ribs and two roller guiding portions.

[0012] In the above-described double-rail track support structure, one side of the anti-cross-cut rib has a roller guiding surface that rolls and contacts the circumferential outer side of the roller body, and the roller guiding surface is arranged parallel to the roller guiding portion.

[0013] In the above-mentioned double-track support structure, the distance between the anti-cross-cut rib and the roller guiding part is equal to or less than the diameter of the roller body.

[0014] Compared with the prior art, the advantages of the present utility model are as follows:

[0015] Two anti-cross-cut ribs are installed in the middle inside the curtain track of the device. When the roller body tilts, it will come into contact with the roller guiding surface of the anti-cross-cut rib, so that the roller body can be automatically aligned. At the same time, the outside of the roller body will also roll and rub against the roller guiding surface, reducing the resistance. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model.

[0017] Figure 2 It is a structural sectional view of the present utility model.

[0018] Figure 3 It is a schematic structural diagram of the hanging wheel and the curtain track in the present utility model.

[0019] Figure 4 It is a schematic structural diagram of the sliding carriage and the curtain track in the present utility model.

[0020] In the figure: curtain track 1, track opening 11, upper track groove 12, lower track groove 13, roller guiding part 14, anti-cross-cut rib 15, upper longitudinal rib 16, lower longitudinal rib 17, transverse rib 18, upper side rib 19, lower side rib 20, hanging wheel 2, sliding carriage 3, roller body 4, roller guiding surface 41. Detailed Description of the Invention

[0021] The present utility model will be further described in detail below in conjunction with the drawings and the specific embodiments.

[0022] As Figures 1-4As shown in the figure, a double-rail track support structure includes a curtain track 1. One side of the curtain track 1 has a track opening 11 that extends axially and allows one end of a hanging wheel 2 and a trolley 3 to pass through. Inside the curtain track 1, there are an upper track groove 12 and a lower track groove 13 that are arranged vertically corresponding to each other and are interconnected, and the lower track groove 13 is connected to the track opening 11. A hanging wheel 2 and / or a trolley 3 is movably arranged in the lower track groove 13, and the upper end of the trolley 3 extends into the upper track groove 12, and both the lower ends of the hanging wheel 2 and the trolley 3 pass through the track opening 11. On both sides of the track opening 11 in the lower track groove 13, there are respectively roller guiding parts 14 that extend along the axial direction of the curtain track 1. At least one horizontal anti-cross-cut rib 15 that corresponds to one of the roller guiding parts 14 is arranged between the upper track groove 12 and the lower track groove 13. The hanging wheel 2 and the trolley 3 respectively have roller bodies 4 that roll in the lower track groove 13. The roller bodies 4 roll on the roller guiding parts 14, and the outer circumferential sides of the roller bodies 4 are in rolling contact with the anti-cross-cut rib 15. The hanging wheel 2 and the trolley 3 are movably arranged in the lower track groove 3 through the roller bodies 4. When the hanging wheel 2 and the trolley 3 are tilted, the roller bodies 4 will contact the anti-cross-cut rib 15, which can avoid the friction between the side parts of the roller bodies 4 and the inside of the curtain track 1, improve the service life of the roller bodies 4, and also reduce noise.

[0023] Combined with Figure 3 and Figure 4 As shown in the figure, the number of the roller bodies 4 is two and they are symmetrically arranged on both sides of the hanging wheel 2 or the trolley 3. The hanging wheel 2 and the trolley 3 are respectively movably arranged in the lower track groove 13, and the roller bodies 4 on the hanging wheel 2 and the roller bodies 4 on the trolley 3 are of the same size.

[0024] As Figure 2 shown in the figure, two mutually corresponding anti-cross-cut ribs 15 are arranged between the upper track groove 12 and the lower track groove 13, and the anti-cross-cut ribs 15 are respectively arranged in a one-to-one correspondence with the roller guiding parts 14 up and down. The two anti-cross-cut ribs 15 can prevent the hanging wheel 2 and the trolley 3 from shaking left and right, thereby reducing friction, and the anti-cross-cut ribs 15 and the roller guiding parts 14 can be used to limit the running tilt angle of the roller bodies 4.

[0025] Among them, on one side of the inner side of the curtain track 1 away from the track opening 11, there are two vertically arranged and parallel upper longitudinal ribs 16, and on one side of the inner side of the curtain track 1 close to the track opening 11, there are two lower longitudinal ribs 17 that are respectively located on both sides of the track opening 11 and are vertically and parallelly arranged. The upper longitudinal ribs 16 and the lower longitudinal ribs 17 are respectively arranged in a one-to-one correspondence up and down. The upper longitudinal ribs 16 and the lower longitudinal ribs 17 are used to limit the running of the hanging wheel 2 or the trolley 3, reduce the amplitude of shaking, and improve stability.

[0026] Specifically, the upper longitudinal ribs 16 and the lower longitudinal ribs 17 are integrally formed axially inside the curtain track 1, and the roller guiding part 14 is located between the side of the track opening 11 and the lower longitudinal rib 17.

[0027] Further, two horizontally arranged transverse ribs 18 are symmetrically arranged inside the curtain track 1. Upper side ribs 19 corresponding to the upper longitudinal ribs 16 are respectively arranged on one side of each of the transverse ribs 18, and lower side ribs 20 corresponding to the lower longitudinal ribs 17 are arranged on the other side of each of the transverse ribs 18. Moreover, the anti-horizontal cutting rib 15 is located between the upper side rib 19 and the lower side rib 20 which are horizontally arranged and on the side of the transverse rib 18 away from the curtain track 1. When the roller body 4 is tilted and comes into contact with the anti-horizontal cutting rib 15, it can be automatically corrected during the rolling friction between the roller body 4 and the anti-horizontal cutting rib 15, thereby improving the running stability.

[0028] Furthermore, the transverse rib 18 and the anti-horizontal cutting rib 15 are on the same horizontal plane, and the upper side rib 19 and the lower side rib 20 are on the same vertical line. The transverse rib 18, the anti-horizontal cutting rib 15, the upper side rib 19 and the lower side rib 20 are arranged in a cross-shaped intersection and are all integrally connected to the curtain track 1.

[0029] Obviously, the upper track groove 12 is formed between two upper longitudinal ribs 16, two upper side ribs 19, two anti-horizontal cutting ribs 15 and the side of the curtain track 1 away from the track opening 11, and the lower track groove 13 is formed between two lower longitudinal ribs 17, two lower side ribs 20, two anti-horizontal cutting ribs 15 and two roller guiding parts 14.

[0030] Combined Figure 3 and Figure 4 As shown, one side of the anti-horizontal cutting rib 15 has a roller guiding surface 41 that rolls and contacts the circumferential outer side of the roller body 4, and the roller guiding surface 41 is arranged parallel to the roller guiding part 14.

[0031] Wherein, the distance between the anti-horizontal cutting rib 15 and the roller guiding part 14 is equal to or less than the diameter of the roller body 4.

[0032] The principle of this embodiment is as follows:

[0033] The hanging wheel 2 or the sliding block 3 moves in the lower track groove 13 of the curtain track 1 through the roller body 4. When the hanging wheel 2 or the sliding block 3 tilts during operation, the roller body 4 will come into contact with the roller guiding surface 41. In this way, it can be avoided that the side part of the roller body 4 rubs against the lower longitudinal rib 17 or the lower side rib 20, reducing the jitter of the roller body 4. At the same time, when the roller body 4 rolls and contacts the roller guiding surface 41, the resistance is reduced.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the technical field to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0035] Although the terms such as curtain track 1, track opening 11, upper track groove 12, lower track groove 13, roller guiding part 14, anti-crosscut rib 15, upper longitudinal rib 16, lower longitudinal rib 17, transverse rib 18, upper side rib 19, lower side rib 20, hanging wheel 2, pulley 3, roller body 4, roller guiding surface 41, etc. are used more frequently in this text, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present utility model; interpreting them as any kind of additional limitation is contrary to the spirit of the present utility model.

Claims

1. A double-rail track support structure, comprising a curtain track (1). One side of the curtain track (1) has a track opening (11) extending axially and allowing one end of a hanging wheel (2) and a pulley (3) to pass through. An upper track groove (12) and a lower track groove (13) are arranged corresponding to each other up and down and are interconnected in the curtain track (1), and the lower track groove (13) is communicated with the track opening (11). A hanging wheel (2) and / or a pulley (3) is movably arranged in the lower track groove (13), and the upper end of the pulley (3) extends into the upper track groove (12), and both the lower ends of the hanging wheel (2) and the pulley (3) pass through the track opening (11). It is characterized in that, On both sides of the track opening (11) in the lower track groove (13), there are respectively roller guiding parts (14) extending along the axial direction of the curtain track (1). Between the upper track groove (12) and the lower track groove (13), there is at least one horizontally arranged anti-cross-cut rib (15) corresponding to one of the roller guiding parts (14). On the hanging wheel (2) and the sliding block (3), there are respectively roller bodies (4) rolling in the lower track groove (13). The roller bodies (4) roll on the roller guiding parts (14), and the outer circumferences of the roller bodies (4) are in rolling contact with the anti-cross-cut rib (15).

2. The double-track rail support structure according to claim 1, characterized in that, The number of the roller bodies (4) is two and they are symmetrically arranged on both sides of the hanging wheel (2) or the sliding block (3). In the lower track groove (13), the hanging wheel (2) and the sliding block (3) are respectively movably arranged. The roller bodies (4) on the hanging wheel (2) and the roller bodies (4) on the sliding block (3) are of the same size.

3. A double-track supporting structure according to claim 1, characterized in that Between the upper track groove (12) and the lower track groove (13), there are two mutually corresponding anti-cross-cut ribs (15), and the anti-cross-cut ribs (15) are respectively arranged in a one-to-one correspondence with the roller guiding parts (14) up and down.

4. A double-rail track support structure according to claim 1 or 2 or 3, characterized in that, On one side of the inner side of the curtain track (1) far from the track opening (11), there are two vertically arranged and parallel upper longitudinal ribs (16). On the inner side of the curtain track (1) close to the track opening (11), there are two lower longitudinal ribs (17) respectively located on both sides of the track opening (11) and arranged vertically and parallelly. The upper longitudinal ribs (16) and the lower longitudinal ribs (17) are respectively arranged in a one-to-one correspondence with each other up and down.

5. A double-rail track support structure according to claim 4, characterized in that, Both the upper longitudinal ribs (16) and the lower longitudinal ribs (17) are integrally formed axially in the curtain track (1), and the roller guiding parts (14) are located between the side part of the track opening (11) and the lower longitudinal ribs (17).

6. The double-track rail support structure according to claim 4, characterized in that, On the inner side of the curtain track (1), two horizontally arranged transverse ribs (18) are symmetrically arranged. On one side of each of the transverse ribs (18), there are upper side ribs (19) corresponding to the upper longitudinal ribs (16) up and down. On the other side of the transverse ribs (18), there are lower side ribs (20) corresponding to the lower longitudinal ribs (17) up and down. The anti-cross-cut rib (15) is horizontally arranged between the upper side rib (19) and the lower side rib (20) and is located on the side of the transverse rib (18) far from the curtain track (1).

7. A double-track rail support structure according to claim 6, characterized in that, The transverse ribs (18) and the anti-cross-cut rib (15) are on the same horizontal plane, and the upper side ribs (19) and the lower side ribs (20) are on the same vertical line. The transverse ribs (18), the anti-cross-cut rib (15), the upper side ribs (19) and the lower side ribs (20) are arranged in a cross shape and are all connected to the curtain track (1) as an integral structure.

8. A double-track rail support structure according to claim 6, characterized in that, The upper track groove (12) is formed between two upper longitudinal ribs (16), two upper side ribs (19), two anti-cross-cutting ribs (15) and the side of the curtain track (1) away from the side with the track opening (11), and the lower track groove (13) is formed between two lower longitudinal ribs (17), two lower side ribs (20), two anti-cross-cutting ribs (15) and two roller guiding parts (14).

9. A double-track support structure according to claim 1, characterized in that, One side of the anti-cross-cutting rib (15) has a roller guiding surface (41) that rolls and contacts the circumferential outer side of the roller body (4), and the roller guiding surface (41) is arranged parallel to the roller guiding part (14).

10. A double-rail track support structure according to claim 1, characterized in that, The distance between the anti-cross-cutting rib (15) and the roller guiding part (14) is equal to or less than the diameter of the roller body (4).

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