CN220320216U - Chain link and drag chain - Google Patents
Chain link and drag chain Download PDFInfo
- Publication number
- CN220320216U CN220320216U CN202321890279.6U CN202321890279U CN220320216U CN 220320216 U CN220320216 U CN 220320216U CN 202321890279 U CN202321890279 U CN 202321890279U CN 220320216 U CN220320216 U CN 220320216U
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- plate
- link
- cover plate
- chain
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- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001244708 Moroccan pepper virus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The utility model relates to the technical field of transmission protection devices, in particular to a chain link and a drag chain. The utility model provides a chain link, which comprises a first cover plate, a second cover plate and two chain plates; the chain plate comprises a first plate section and a second plate section, wherein a limiting inclined plane is arranged on the first plate section and is obliquely arranged relative to the first cover plate, and the limiting inclined plane is used for abutting against the first cover plate of an adjacent chain link after rotating for a set angle along a first direction; and the first plate section is also provided with a limiting plane, the limiting plane is parallel to the second cover plate, and the limiting plane is used for being blocked by the second cover plate of the adjacent chain link when rotating along the second direction. When using, all adopt the face to support between first board section and the second apron and first board section and the first apron, and effort direct action is on whole link joint, even long-time use, whole link joint also is difficult to wearing and tearing and destroy for the life-span of chain link is longer.
Description
Technical Field
The utility model relates to the technical field of transmission protection devices, in particular to a chain link and a drag chain.
Background
At present, the drag chain is widely applied to a plurality of fields such as numerical control machine tools, stone machinery, glass machinery, door and window machinery, injection molding machines, manipulators, hoisting and transporting equipment, automatic warehouses and the like, and can pull and protect cables, oil pipes, air pipes, water pipes and the like which are arranged in the machinery, and meanwhile, the whole machinery looks more attractive.
The drag chain in the prior art is formed by sequentially connecting a plurality of chain links end to end, and when the drag chain is used, the drag chain can be divided into three parts according to the states of all parts of the drag chain: a lower section, a steering section and an upper section.
In the prior art, two chain links of the drag chain can swing relatively clockwise and counterclockwise, and the rotation range is large, but the drag chain is usually required to be supported to avoid sagging when in use. For example, chinese patent publication No. CN212744881U discloses a new structure drag chain that is also capable of achieving support, but whose support is mainly concentrated on the end vertex and the inner second slider, which are more easily worn out in case of long-term use.
Disclosure of Invention
The utility model aims to provide a chain link and a drag chain, which can realize self-support and improve service life.
In order to solve the technical problems, the utility model provides a chain link, which comprises a first cover plate, a second cover plate and two chain plates, wherein the first cover plate and the second cover plate are positioned between the two chain plates and are connected with the two chain plates, and a channel for a built-in object to pass through is formed in a space between the first cover plate and the second cover plate;
the chain plate comprises a first plate section and a second plate section which are fixedly connected together, wherein the first plate section of one chain link is used for being matched and overlapped with the second plate section of the adjacent chain link;
the first plate section is provided with a limiting inclined plane, the limiting inclined plane is obliquely arranged relative to the first cover plate, and the limiting inclined plane is used for abutting against the first cover plate of the adjacent chain link after rotating for a set angle along a first direction;
the first plate section is further provided with a limiting plane, the limiting plane is parallel to the second cover plate, the limiting plane is used for being blocked by the second cover plate of the adjacent chain link when rotating along a second direction, and the second direction is opposite to the first direction.
Further, a supporting surface is arranged on the first plate section and is used for being abutted with the second cover plate of the adjacent chain link when the limiting inclined surface is abutted with the first cover plate of the adjacent chain link so as to support the first plate section, and the limiting plane is used as the supporting surface.
Further, an included angle between the limiting inclined plane and the first cover plate is 45 degrees.
Further, the first plate segment is provided with a connection lug, the second plate segment is provided with a connection hole, and the connection lug on the first plate segment is used for being inserted into the connection hole of the second plate segment of the adjacent chain link so that the first plate segment can rotate relative to the adjacent chain link.
Further, a guiding inclined surface is arranged on the second plate section, and the guiding inclined surface is used for guiding the connecting convex blocks of the adjacent chain links to be inserted into the connecting holes.
Further, the connecting projection is provided with a guide slope for guiding engagement with the guide slope in an adjacent link.
Further, the first plate segment and the second plate segment are arranged in a staggered manner so as to form step surfaces on the outer side surface and the inner side surface of the chain plate respectively, the step surfaces on the outer side surface of the chain plate are used for accommodating the second plate segment of the adjacent chain link so that the outer side surfaces of the second plate segments of the adjacent two chain links are flush, and the step surfaces on the inner side surface of the chain plate are used for accommodating the first plate segment of the adjacent chain link so that the inner side surfaces of the first plate segments of the adjacent two chain links are flush.
The utility model also provides a drag chain, which comprises a plurality of chain links connected end to end in sequence, wherein the chain links are the chain links in the technical scheme.
Compared with the prior art, the utility model has at least the following beneficial effects:
when the chain link is used, a plurality of chain links are connected end to end in sequence to form a drag chain, the built-in object passes through a channel in each chain link, when two adjacent chain links have a tendency of relative rotation along a second direction, the chain link cannot rotate along the second direction relative to the adjacent chain links because a limiting plane on the first plate section is parallel to the second cover plate, and the limiting inclined plane on the first plate section is abutted with the first cover plate of the adjacent chain link after rotating by a set angle, so that the support can be realized.
Drawings
FIG. 1 is a schematic view of an embodiment of a link of the present utility model;
FIG. 2 is a schematic view of the link of FIG. 1 from another perspective;
FIG. 3 is a front view of the link of FIG. 1;
FIG. 4 is a cross-sectional view A-A of the link of FIG. 3;
FIG. 5 is a top view of the link of FIG. 1;
FIG. 6 is a B-B cross-sectional view of the link of FIG. 5;
FIG. 7 is a schematic view of the links of FIG. 1 after connection with adjacent links and without relative rotation;
FIG. 8 is a schematic view of the two links of FIG. 7 rotated relative to each other in a first direction;
reference numerals:
100. a first cover plate;
200. a second cover plate;
300. a link plate;
310. a first plate segment; 311. limiting inclined planes; 313. a limit plane; 317. a connection bump; 318. a guide slope;
320. a second plate segment; 321. a connection hole; 323. and a guiding inclined plane.
Detailed Description
A chain link and drag chain of the present utility model will be described in conjunction with the schematic drawings, in which preferred embodiments of the present utility model are shown, it being understood that one skilled in the art may modify the utility model herein described while still achieving the beneficial effects of the present utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
The links according to the first aspect of the present utility model will now be described with reference to fig. 1 to 8 of the accompanying drawings.
In one embodiment, as shown in fig. 1 and 2, the link of the present embodiment includes a first cover plate 100, a second cover plate 200, and link plates 300, the first cover plate 100 and the second cover plate 200 are located between the two link plates 300 and connect the two link plates 300, and a space between the first cover plate 100 and the second cover plate 200 forms a channel for receiving a content therethrough. The built-in object can be a cable, an oil pipe, an air pipe or a water pipe, and can also be other flexible parts which need to be pulled and protected.
The link plate 300 includes a first plate segment 310 and a second plate segment 320 fixedly coupled together, the first plate segment 310 of one link being adapted to matingly overlap the second plate segment 320 of an adjacent link.
As shown in fig. 1, 3 and 6, the first plate segment 310 is provided with a limiting inclined plane 311, the limiting inclined plane 311 is obliquely arranged relative to the first cover plate 100, and the limiting inclined plane 311 is used for abutting against the first cover plate 100 of an adjacent link after rotating a set angle along a first direction. The included angle α between the limiting inclined plane 311 and the first cover plate 100 is the same as the angle at which the limiting inclined plane 311 can rotate.
The first plate segment 310 is further provided with a limiting plane 313, the limiting plane 313 is parallel to the second cover plate 200, and the limiting plane 313 is used for being blocked by the second cover plate 200 of an adjacent chain link when rotating along a second direction, so as to block the chain link from rotating along the second direction, and the second direction is opposite to the first direction. When the first direction is clockwise, the second direction is counterclockwise. When the first direction is counterclockwise, the second direction is counterclockwise.
In use, as shown in fig. 7 and 8 (only two links are shown), the links of the present embodiment are connected end to end in turn to form a drag chain, the built-in object passes through the channel in each link, when two adjacent links have a tendency to rotate relatively in the second direction, the link cannot rotate in the second direction relative to the adjacent link because the limiting plane 313 on the first plate segment 310 is parallel to the second cover plate 200, and because the limiting inclined plane 311 on the first plate segment 310 abuts against the first cover plate 100 of the adjacent link after rotating by a set angle, support can be achieved, and because the first plate segment 310 and the second cover plate 200 and the first plate segment 310 and the first cover plate 100 are both supported by surfaces, and the acting force directly acts on the whole link plate 300, the whole link plate is not easy to wear and damage even if used for a long time, so that the service life of the link is longer.
The drag chain formed by the chain links can be applied to more fields, such as doors of vehicles such as MPVs and the like, used for protecting corresponding cables, and can also be applied to devices such as numerical control machine tools, door and window machinery, manipulators and the like, and can also be applied to other scenes needing to use the drag chain.
In one embodiment, the two link plates 300, the first cover plate 100 and the second cover plate 200 may be integrally injection molded, or may be welded and fixed by a plurality of plates, or may be formed by connecting a plurality of plates through a connecting member.
In one embodiment, as shown in fig. 1, 3, 7 and 8, in order to support the first plate segment 310 after it rotates to the limit position, a supporting surface is provided on the first plate segment 310, the limiting plane 313 is used as the supporting surface, and when the limiting inclined plane 311 abuts against the first cover plate 100 of the adjacent chain link, the limiting plane 313 abuts against the second cover plate 200 of the adjacent chain link, so as to support the first plate segment 310, thereby sharing the pressure applied by the first cover plate 100.
In one embodiment, preferably, as shown in fig. 1, 3 and 6, an included angle α between the limiting slope 311 and the first cover plate 100 is 45 degrees, and the included angle α between the limiting slope 311 and the first cover plate 100 is the same as an angle at which the limiting slope 311 can rotate, that is, the limiting slope 311 abuts against the first cover plate 100 of an adjacent link after rotating 45 degrees in the first direction. In other embodiments, the included angle α between the limiting slope 311 and the first cover plate 100 may be 40 degrees, and then the limiting slope 311 abuts against the first cover plate 100 of the adjacent link after rotating 40 degrees in the first direction. Of course, the included angle α between the limiting slope 311 and the first cover plate 100 may be 50 degrees or 60 degrees.
In one embodiment, as shown in fig. 1, 4 and 5, in order to enable the adjacent two links to be rotatably connected together, a connection protrusion 317 is provided on the first plate segment 310, a connection hole 321 is provided on the second plate segment 320, and when assembled, the connection protrusion 317 on the first plate segment 310 is inserted into the connection hole 321 of the second plate segment 320 of the adjacent link, the connection protrusion 317 has a cylindrical outer circumferential surface, and after being inserted into the corresponding connection hole 321, the first plate segment 310 can be rotated with respect to the adjacent link. In other embodiments, instead of the connection protrusion 317, connection holes 321 may be formed in each of the first and second plate segments 310 and 320, and the pin shaft may be inserted into the two connection holes 321, so that two adjacent links may be rotatably connected.
In one embodiment, the second plate segment 320 is provided with a guiding slope 323 for facilitating assembly of the drag chain, and the guiding slope 323 can guide the connection protrusion 317 of the adjacent link to be inserted into the connection hole 321 when installed.
Further, in one embodiment, the connection protrusion 317 is further provided with a guiding inclined plane 318, and when in use, the guiding inclined plane 318 and the guiding inclined plane 323 are mutually attached, and the connection protrusion 317 can be more conveniently inserted into the corresponding connection hole 321 by matching the guiding inclined plane 318 with the guiding inclined plane 323.
In one embodiment, to ensure the flatness of the outer surface and the inner surface of the entire drag chain, the first plate segment 310 and the second plate segment 320 are arranged in a staggered manner to form step surfaces on the outer side surface and the inner side surface of the link plate 300, respectively, and when assembled, the step surfaces on the outer side surface of the link plate 300 can accommodate the second plate segment 320 of the adjacent link so that the outer side surfaces of the second plate segments 320 of the adjacent two links are flush, and the step surfaces on the inner side surface of the link plate 300 can accommodate the first plate segment 310 of the adjacent link so that the inner side surfaces of the first plate segments 310 of the adjacent two links are flush.
An embodiment of the second aspect of the present utility model provides a drag chain, which includes a plurality of links connected end to end in sequence, where the structure of the links is the same as that of the links in the embodiment of the first aspect, and is not described herein.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The chain link is characterized by comprising a first cover plate, a second cover plate and two chain plates, wherein the first cover plate and the second cover plate are positioned between the two chain plates and are connected with the two chain plates, and a channel for a built-in object to pass through is formed in a space between the first cover plate and the second cover plate;
the chain plate comprises a first plate section and a second plate section which are fixedly connected together, wherein the first plate section of one chain link is used for being matched and overlapped with the second plate section of the adjacent chain link;
the first plate section is provided with a limiting inclined plane, the limiting inclined plane is obliquely arranged relative to the first cover plate, and the limiting inclined plane is used for abutting against the first cover plate of the adjacent chain link after rotating for a set angle along a first direction;
the first plate section is further provided with a limiting plane, the limiting plane is parallel to the second cover plate, the limiting plane is used for being blocked by the second cover plate of the adjacent chain link when rotating along a second direction, and the second direction is opposite to the first direction.
2. A chain link according to claim 1, wherein the first plate segment is provided with a support surface for abutting the second cover plate of an adjacent chain link when the limiting chamfer abuts the first cover plate of an adjacent chain link to support the first plate segment, the limiting plane being the support surface.
3. The link of claim 1 wherein the included angle between the limit chamfer and the first cover plate is 45 degrees.
4. A link according to any one of claims 1 to 3, wherein the first plate section is provided with a connection lug and the second plate section is provided with a connection hole, the connection lug on the first plate section being adapted to be inserted into the connection hole of the second plate section of an adjacent link to enable the first plate section to rotate relative to the adjacent link.
5. A chain link according to claim 4, characterized in that the second plate section is provided with a guiding bevel for guiding the insertion of the connecting projection of an adjacent chain link into the connecting hole.
6. A link according to claim 5, wherein the connecting projection is provided with a guide ramp for guided engagement with the guide ramp in an adjacent link.
7. A link according to any one of claims 1 to 3, wherein the first and second plate segments are arranged offset to form a step face on the outer and inner sides of the link plate, respectively, the step face on the outer side of the link plate being for receiving the second plate segment of an adjacent link so that the outer sides of the second plate segments of two adjacent links are flush, the step face on the inner side of the link plate being for receiving the first plate segment of an adjacent link so that the inner sides of the first plate segments of two adjacent links are flush.
8. A drag chain comprising a plurality of links connected end to end in sequence, the links being as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321890279.6U CN220320216U (en) | 2023-07-18 | 2023-07-18 | Chain link and drag chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321890279.6U CN220320216U (en) | 2023-07-18 | 2023-07-18 | Chain link and drag chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220320216U true CN220320216U (en) | 2024-01-09 |
Family
ID=89422068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321890279.6U Active CN220320216U (en) | 2023-07-18 | 2023-07-18 | Chain link and drag chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220320216U (en) |
-
2023
- 2023-07-18 CN CN202321890279.6U patent/CN220320216U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |