Drag chain of sliding door

Abstract

The utility model discloses a sliding door drag chain, which belongs to the technical field of drag chains and particularly comprises a drag chain group, a mounting seat I and a mounting seat II, the mounting seat I and the mounting seat II are respectively arranged at two ends of the drag chain group, a hollow rotating shaft capable of rotating relative to the mounting seat I is arranged on the mounting seat I, and the hollow rotating shaft is connected with the drag chain group and can drive the drag chain to rotate. The hollow rotating shaft is communicated with the drag chain set, and an adjusting window penetrating into the hollow rotating shaft is further formed in the hollow rotating shaft. When the product of the scheme is used, in the process that a cable enters the hollow rotating shaft from the drag chain set or enters the drag chain set from the hollow rotating shaft, the direction of the cable can be conveniently converted by adjusting the direction of the cable at the adjusting window, and the assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of drag chain, especially, a kind of sliding door drag chain is involved. BACKGROUND

[0002] Drag chain is a product for protecting cable during equipment operation, and the existing sliding door wire harness protection drag chain can cause the phenomenon of touching the body side when passing U-shaped bend due to large wire diameter wire harness, and there is the defect of unstable motion track.

[0003] Based on the above problems, the utility model discloses a kind of sliding door wire harness protection drag chains with limiting function, it includes sliding door installation base, car body installation base, pivot frame and drag chain group, pivot frame is installed on sliding door installation base, and the both ends of drag chain group are connected with pivot frame and car body installation base respectively, pivot frame is installed with pivot in, and pivot is rotatably connected in sliding door installation base;The scheme is by setting pivot, when using, by pivot rotation in priority, it can effectively slow down the problem of too large bending radius of drag chain.

[0004] However, in actual use process, the inventor finds that the above-mentioned drag chain will face the problem that the wire harness cannot enter the drag chain during the process of passing through the hollow pivot to enter the drag chain or the problem that the wire harness cannot smoothly pass out during the process of entering the pivot from the drag chain. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of sliding door drag chain to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model employs one technical scheme: a kind of sliding door drag chain, including drag chain group and the installation seat one, installation seat two respectively placed in the both ends of drag chain group, the installation seat one is provided with the hollow pivot that can rotate relative to installation seat one, the hollow pivot is connected with drag chain group and can drive drag chain to rotate, the hollow pivot is connected with drag chain group, and adjustment window that is communicated to hollow pivot is further provided on the hollow pivot.

[0007] Preferably, the adjustment window is provided with a sealing plate, and the sealing plate and the edge between the adjustment window and the inner wall of the hollow pivot are smoothly transitioned.

[0008] Preferably, the sealing plate is fixed to the hollow pivot by a connecting piece.

[0009] Preferably, the hollow pivot is provided with a connecting pipe connected with the hollow pivot, and the drag chain group is connected with the connecting pipe.

[0010] Preferably, the mounting seat one comprises a rotating base and a fastening member detachably connected with each other, and the rotating base and the fastening member are connected to form a rotating space for the hollow rotating shaft to rotate in.

[0011] Preferably, the rotating base is provided with a limiting stop surface for abutting against the connecting pipe.

[0012] Preferably, the hollow rotating shaft is provided with a limiting part at two ends to prevent the hollow rotating shaft from being separated from the rotating space in the axial direction.

[0013] Preferably, the drag chain set comprises a plurality of chain links, each of which is provided with a hinged hole at one end and a hinged column at the other end, and adjacent chain links are connected through the hinged hole and the hinged column.

[0014] Preferably, the chain link provided with the hinged hole is provided with a rotating limiting stop part at one end, and the chain link provided with the hinged column is provided with an abutting part at one end.

[0015] When the abutting part abuts against the rotating limiting stop part, the chain link stops rotating.

[0016] Preferably, the mounting seat two is provided with at least one of a positioning member and a connector clamping seat.

[0017] The cable direction can be conveniently converted by adjusting the cable direction at the adjusting window during the process that the cable enters the hollow rotating shaft from the drag chain set or the cable enters the drag chain set from the hollow rotating shaft, and the assembly efficiency is improved.

[0018] During the rotating process of the hollow rotating shaft, the edge of the adjusting window is easily pressed against the cable to cause abrasion of the cable, and the problem can be solved by arranging the sealing plate.

[0019] The connecting pipe plays a guiding role on the cable and can enhance the connecting strength between the drag chain set and the hollow rotating shaft, and effectively ensures the service life of the product.

[0020] The rotating base and the fastening member are arranged to facilitate the installation of the whole product.

[0021] The limiting stop surface plays a limiting role on the hollow rotating shaft, and can avoid the problem that the cable is pressed against the rotating base.

[0022] The positioning member arranged on the mounting seat two can facilitate the positioning during the installation of the mounting seat two, and the connector clamping seat can facilitate the clamping of the connector connected with the cable. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic diagram of the whole structure of the utility model;

[0024] Figure 2 Figure 1 is a structural schematic diagram of the hollow rotating shaft and the mounting seat one in the utility model;

[0025] Figure 3 Figure 2 is a structural schematic diagram of the mounting seat one in the utility model;

[0026] Figure 4 Figure 3 is a structural schematic diagram of the connecting rotating shaft in the utility model;

[0027] Figure 5 Figure 4 is a structural schematic diagram of the mounting seat two in the utility model;

[0028] Figure 6 Figure 5 is a structural schematic diagram of the adjacent chain links in the utility model;

[0029] Figure 7 Figure 6 is a sectional view of the adjacent chain links in the utility model;

[0030] In the figure: 1, the drag chain group; 2, the mounting seat one; 21, the rotating base; 22, the buckling part; 23, the limiting stop surface; 3, the mounting seat two; 31, the positioning part; 32, the connector clamping seat; 4, the hollow rotating shaft; 41, the adjusting window; 42, the mounting groove; 43, the limiting part; 44, the connecting pipe; 5, the sealing plate; 51, the connecting plate; 6, the connecting part; 7, the hinged end one; 71, the hinged column; 72, the abutting part; 8, the hinged end two; 81, the hinged hole; 82, the guide groove; 83, the limiting stop part; 9, the rotating space. DETAILED DESCRIPTION

[0031] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0032] Embodiment:

[0033] Referring to Figure 1 , Figure 2 , Figure 5 , a sliding door drag chain, comprising a drag chain group 1 and mounting seat one 2 and mounting seat two 3 respectively arranged at both ends of the drag chain group 1, a hollow rotating shaft 4 capable of rotating relative to the mounting seat one 2 is arranged on the mounting seat one 2, the hollow rotating shaft 4 is connected with the drag chain group 1 and can drive the drag chain to rotate, the hollow rotating shaft 4 is connected with the drag chain group 1 in communication, the adjusting window 41 penetrating into the hollow rotating shaft 4 is further formed on the hollow rotating shaft 4, at least one of the positioning part 31 and the connector clamping seat 32 is arranged on the mounting seat two 3, the positioning part 31 can be a positioning pin integrally formed with the mounting seat two 3 so as to position the mounting seat two 3, and the connector clamping seat 32 is used for clamping the connector connected with the cable.

[0034] wherein, referring to Figure 2 , Figure 4 , the adjusting window 41 is provided with a sealing plate 5, which is smoothly transitioned between the edge of the adjusting window 41 and the inner wall of the hollow rotating shaft 4, and can specifically adopt an arc-shaped plate consistent with the curvature of the inner wall of the hollow rotating shaft 4, wherein a set of connecting plates 51 extending from the edge of the sealing plate 5 are fixed on the arc-shaped plate, and a mounting groove 42 cooperating with the connecting plates 51 is formed on the outer peripheral wall of the hollow rotating shaft 4, so that the sealing plate 5 and the hollow rotating shaft 4 can be connected by placing the connecting plates 51 into the connecting groove and then through a connecting piece 6, which can be a screw, and at the same time, it is necessary to ensure that both ends of the connecting piece 6 are in the space between the inner and outer walls of the hollow rotating shaft 4 to avoid scratching the cable inside the hollow rotating shaft 4 or affecting the rotation of the hollow rotating shaft 4. Similarly, the sealing plate 5 and the connecting plate 51 also have the same design requirements.

[0035] wherein, referring to Figure 2 , Figure 3 , Figure 4 , the mounting seat 2 includes a rotating base 21 and a buckling member 22 which are detachably connected to each other, and the rotating base 21 and the buckling member 22 form a rotating space 9 for the hollow rotating shaft 4 to rotate therein after being connected, the hollow rotating shaft 4 is provided with a limiting portion 43 at both ends to prevent the hollow rotating shaft 4 from being separated from the rotating space 9 in the axial direction, the hollow rotating shaft 4 is provided with a connecting pipe 44 in communication with the hollow rotating shaft 4, the drag chain set 1 is connected with the connecting pipe 44, and in addition, the rotating base 21 is provided with a limiting stop surface 23 for abutting against the connecting pipe 44.

[0036] wherein, referring to Figure 6 , Figure 7 , the drag chain set 1 includes a plurality of chain links, each of the chain links is provided with a hinge hole 81 at one end (which is defined as a hinge end two 8), and is provided with a hinge column 71 at the other end (which is defined as a hinge end one 7), adjacent chain links are connected through the hinge hole 81 and the hinge column 71, the hinge end two 8 is provided with a guide groove 82 for the hinge column 71 to enter, the chain link provided with the hinge hole 81 is provided with a rotating limiting stop piece 83 at one end, and the chain link provided with the hinge column 71 is provided with an abutting portion 72 at one end, when the abutting portion 72 abuts against the rotating limiting stop piece 83, the chain link stops rotating, and in this embodiment, the abutting portion 72 is provided with two portions for limiting the maximum rotation angle of adjacent chain links.

[0037] Working principle and process:

[0038] In use, during the process of the cable entering the hollow rotating shaft 4 from the drag chain set 1 or the cable entering the drag chain set 1 from the hollow rotating shaft 4, the direction of the cable can be conveniently converted by adjusting the direction of the cable at the adjusting window 41, thereby improving the assembly efficiency.

[0039] After the hollow shaft 4 is installed into the mounting base 2 by closing the adjusting window 41 with the closing plate 5, the general assembly of the product is completed.

[0040] The above is only the embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields based on the content of the present application is also included in the patent protection scope of the present application.

Claims

1. A sliding door drag chain, characterized by: The utility model relates to a kind of installation seat and drag chain group, including drag chain group (1) and respectively placed installation seat one (2), installation seat two (3) both ends of drag chain group (1), the hollow rotating shaft (4) that can be rotated is provided on the installation seat one (2), the hollow rotating shaft (4) is connected with drag chain group (1) and can drive drag chain rotation, the hollow rotating shaft (4) is connected with drag chain group (1), the adjusting window (41) that is also opened to hollow rotating shaft (4) inside is set on the hollow rotating shaft (4).

2. A sliding door drag chain as claimed in claim 1, characterized in that: The adjusting window (41) is provided with a sealing plate (5) between the edge of the adjusting window (41) and the inner wall of the hollow rotating shaft (4), which is smoothly transitioned.

3. A sliding door drag chain as claimed in claim 2, characterized in that: The sealing plate (5) is fixed to the hollow rotating shaft (4) by a connecting piece (6).

4. A sliding door drag chain as claimed in claim 1, characterized in that: The hollow rotating shaft (4) is provided with a connecting pipe (44) connected to the hollow rotating shaft (4), and the drag chain group (1) is connected to the connecting pipe (44).

5. A sliding door drag chain as claimed in claim 1 or 4, characterized in that: The installation seat one (2) includes a rotating base (21) and a fastening member (22) that can be detachably connected to each other, and the rotating base (21) and the fastening member (22) form a rotating space (9) for the hollow rotating shaft (4) to rotate therein after being connected.

6. A sliding door drag chain as claimed in claim 5, characterized in that: The rotating base (21) is provided with a limiting stop surface (23) for abutting against the connecting pipe (44).

7. A sliding door drag chain as claimed in claim 5, characterized in that: The hollow rotating shaft (4) is provided with a limiting portion (43) at both ends to prevent the hollow rotating shaft (4) from being separated from the rotating space (9) in the axial direction.

8. A sliding door drag chain as claimed in claim 1, characterized in that: The drag chain group (1) includes a plurality of chain links, each of which is provided with a hinge hole (81) at one end and a hinge post (71) at the other end, and adjacent chain links are connected by the hinge hole (81) and the hinge post (71).

9. A sliding door drag chain as claimed in claim 8, characterized in that: The chain link provided with the hinge hole (81) is provided with a rotating limiting stop piece (83) at one end, and the chain link provided with the hinge post (71) is provided with an abutting portion (72) at one end. When the abutting portion (72) abuts against the rotating limiting stop piece (83), the chain link stops rotating.

10. A sliding door drag chain as claimed in claim 1, characterized in that: The installation seat two (3) is provided with at least one of a positioning member (31) and a connector clamping seat (32).

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