CN219143820U

CN219143820U - Cable drag chain and drag chain assembly

Info

Publication number: CN219143820U
Application number: CN202223429704.XU
Authority: CN
Inventors: 汪水
Original assignee: Huizhou Voir Science & Technology Co ltd
Current assignee: Huizhou Voir Science & Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a cable drag chain and a drag chain assembly. The cable drag chain comprises a plurality of protective sleeves, wherein the protective sleeves are set to extend along a first direction, the plurality of protective sleeves are arranged along a second direction, the protective sleeves comprise a main body part, a first plug-in part and a second plug-in part, and the main body part defines a containing cavity for containing a cable; the first plug-in part and the second plug-in part are respectively arranged at two ends of the main body part along the second direction; the first plug-in connection part of the protective sleeve can be connected with the second plug-in connection part of the adjacent protective sleeves, so that the protective sleeves are sequentially connected. The cable drag chain can protect and limit displacement of the small strand cable through each protective sleeve, and then the possibility of intertwining between the scattered drunkenness and the cable of cable in reciprocating motion is reduced. And the number of the protective sleeves can be increased or decreased according to the size and the number of the cables, so that the pipeline can be conveniently installed in the later stage.

Description

Cable drag chain and drag chain assembly

Technical Field

The utility model relates to the technical field of drag chains, in particular to a cable drag chain and a drag chain assembly.

Background

The drag chain is also called a wire and cable protection drag chain, and is a device for restraining a cable or an electric wire or an air pressure pipe and an oil pressure pipe so as to facilitate the rotation and movement of the cable or the electric wire or the air pressure pipe and the oil pressure pipe. The drag chain is applied to the occasion of reciprocating motion, and can play a role in traction and protection on built-in cables, oil pipes, air pipes, water pipes and the like. Drag chains have been widely used in the industries of numerical control machines, electronic equipment, glass machinery, injection molding machine manipulators, handling machinery, plastic machinery, hoisting equipment, woodworking machinery, the automotive industry, industrial vehicles, metal working machines, machine tools, casting machinery, harbour equipment, flat panel display equipment, semiconductor equipment, and the like.

In the prior art, a common drag chain is provided with a crawler drag chain, cables are intensively accommodated in an inner cavity of the crawler drag chain, and assembly gaps are often reserved between adjacent cables and between the cables and the cavity wall of the inner cavity of the drag chain, so that the cables can be elastically deformed to a certain extent when the drag chain reciprocates, for example, the cables are stretched when the drag chain moves forwards and are extruded when the drag chain moves backwards; the presence of the assembly gap, however, tends to cause the cable to twist during the reciprocating motion, resulting in knotting or even twisting of the cable.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the cable drag chain, which can protect and limit displacement of small cables through each protective sleeve, so as to reduce scattered movement of the cables in reciprocating motion and the possibility of intertwining between the cables.

The utility model further provides a drag chain assembly with the cable drag chain.

A cable drag chain according to an embodiment of the first aspect of the present utility model comprises:

the protection sleeves are set to extend along a first direction, are arranged along a second direction and comprise a main body part, a first plug-in part and a second plug-in part, and the main body part defines a containing cavity for containing the cable; the first plug-in part and the second plug-in part are respectively arranged at two ends of the main body part along the second direction;

the first plug-in connection part of the protective sleeve can be connected with the second plug-in connection part of the adjacent protective sleeves, so that the protective sleeves are sequentially connected.

The cable drag chain provided by the embodiment of the utility model has at least the following beneficial effects: the cable drag chain of this embodiment is through setting up a plurality of protective sleeves, falls into a plurality of little strand cable group with the cable that a plurality of collections are together, and each little strand cable group holds respectively in different holding chamber, carries out the protection respectively and displacement restriction to little strand cable group through each protective sleeve, and then reduces the drunkenness of cable in the scattered drunkenness in reciprocating motion and the possibility of intertwining between the cable. And moreover, the number of the protective sleeves can be increased or decreased according to the size and the number of the cables, so that the pipeline can be conveniently installed in the later stage.

According to some embodiments of the utility model, the main body part comprises a first shell and a second shell, the main body part further comprises a first buckling part and a second buckling part, one ends of the first shell and the second shell are connected, the other end of the first shell is provided with the first buckling part, and the other end of the second shell is provided with the second buckling part;

wherein the first buckling part and the second buckling part have a first state of plug-in fit and a second state of plug-in release, and the main body part is configured to: in the first state, the first housing and the second housing define the accommodation chamber that is closed in a circumferential direction, and in the second state, the first housing is rotatable relative to the second housing to the accommodation chamber being opened to accommodate the insertion of the cable.

According to some embodiments of the utility model, the first plug portion is connected to the first housing, the first plug portion extends towards the second plug portion of the adjacent protective sleeve to form an extension section, and the first fastening portion is disposed on the extension section.

According to some embodiments of the utility model, the extension further comprises a flange disposed between the first mating portion and the first buckling portion to limit displacement of the second buckling portion and the second mating portion.

According to some embodiments of the utility model, the first fastening part includes a first protrusion and a first edge wing extending from two sides of the first protrusion, the second fastening part includes a first groove, two side walls of the first groove extend respectively with a second protrusion, the first protrusion can be inserted into the first groove, and the second protrusion and the first edge wing cooperate to limit the relative movement of the first fastening part and the second fastening part.

According to some embodiments of the utility model, the main body part comprises a first shell and a second shell, the main body part further comprises a first buckling part and a second buckling part, the first buckling part is respectively arranged at two ends of the first shell, and the second buckling part is respectively arranged at two ends of the second shell;

wherein the first buckling part and the second buckling part have a first state of plug-in fit and a second state of plug-in release, and the main body part is configured to: in the first state, the first shell and the second shell define the accommodating cavity which is sealed along the circumferential direction, and in the second state, the first shell is separated from the second shell so as to accommodate the cable.

According to some embodiments of the utility model, the first plug-in part comprises a third protrusion and second edge wings extending from two sides of the third protrusion, the second plug-in part is provided with a second groove, four protrusions extend from two side walls of the second groove respectively, the third protrusion can be inserted into the second groove, and the fourth protrusion and the second edge wings are matched to limit the relative movement of the first plug-in part and the second plug-in part.

A drag chain assembly according to an embodiment of the second aspect of the present utility model includes:

at least two sets of cable towlines as mentioned in any of the embodiments above, each set of cable towlines being arranged in a stack;

and the pressing pieces are sleeved on the cable drag chains of each group so as to be connected with the cable drag chains of each group.

The drag chain assembly provided by the embodiment of the utility model has at least the following beneficial effects: the protective sleeves of each group of cable drag chains of the drag chain assembly are long and narrow ellipses, the protective sleeves in each group of cable drag chains are sequentially arranged along the direction of the longest outer diameter of the ellipses, and each group of cable drag chains are sequentially arranged along the direction of the shortest outer diameter of the ellipses, so that the space between cables is reduced, and the space is saved. The compaction part is sleeved on each group of cable drag chains and tightly hoops each group of cable drag chains together to form a cable bundle, so that centralized arrangement of cables is realized conveniently, and the whole structure is compact.

According to some embodiments of the utility model, adjacent sets of the cable drag chains are staggered in the stacking direction.

According to some embodiments of the utility model, the pressing member includes a first pressing plate and a second pressing plate, which are disposed on both sides of each set of the cable drag chain in the stacking direction, respectively, and an adjusting mechanism capable of adjusting a distance between the first pressing plate and the second pressing plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a first embodiment of a cable drag chain according to an embodiment of the first aspect of the present utility model;

FIG. 2 is a schematic diagram of a second implementation of a cable drag chain according to an embodiment of the first aspect of the present utility model;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

FIG. 4 is a schematic structural view of a drag chain assembly according to a second aspect of the present utility model;

FIG. 5 is a schematic diagram of the arrangement of the cable drag chains of the second aspect of the present utility model;

fig. 6 is a schematic structural view of a pressing member according to an embodiment of the second aspect of the present utility model.

Reference numerals:

the main body 100, the first housing 110, the second housing 120, the receiving cavity 130, the first plug portion 200, the extension 210, the flange 211, the third protrusion 220, the second flange 230, the second plug portion 300, the second groove 310, the fourth protrusion 320, the first fastening portion 400, the first protrusion 410, the first flange 420, the second fastening portion 500, the first groove 510, the second protrusion 520, the pressing member 600, the first pressing plate 610, the second pressing plate 620, the threaded locking member 630, the cable 700, the protective sleeve 800, the first direction 900, and the second direction 910.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

For a single-row cable 700 shown in fig. 1, an embodiment of the first aspect of the present application provides a cable drag chain, where the cable drag chain includes a plurality of protection sleeves 800, and the protection sleeves 800 are integrally formed by extrusion using fluororesin and polyvinyl chloride as base materials, and have a better self-lubricating effect and a low friction coefficient, and have a better wear resistance, so that the cable drag chain is relatively suitable for the working condition of drag chain repetitive motion, and the protection sleeves 800 are sleeved on the cable 700 to protect the cable 700. The protective sleeves 800 are set to extend along a first direction 900, and a plurality of protective sleeves 800 are arranged in sequence along a second direction 910. The protective sleeve 800 is in a long and narrow oval shape, a plurality of oval protective sleeves 800 are sequentially arranged along the direction of the longest outer diameter of the protective sleeve, and the protective sleeves are spliced and combined to form a flat cable drag chain. The protection sleeves 800 include a main body portion 100, a first inserting portion 200 and a second inserting portion 300, the main body portion 100 defines a receiving cavity 130 for receiving the cable 700, the first inserting portion 200 and the second inserting portion 300 are respectively disposed at two ends of the main body portion 100 along the second direction 910, and the first inserting portion 200 of the protection sleeve 800 can be connected with the second inserting portion 300 of an adjacent protection sleeve 800, so that the protection sleeves 800 are sequentially connected along the second direction 910.

For the case of multiple cables 700, one cable 700 or multiple cables 700 are respectively inserted into each protective sleeve 800, it can be understood that the number of cables 700 accommodated in the same accommodating cavity 130 can be properly adjusted according to the movement amount of the cables 700 or the specification of the cables 700 in the actual production process, for example, when the movement travel of the cables 700 is larger, if three cables 700 are accommodated in one accommodating cavity 130, the cables 700 may be wound, so that the number of cables 700 in one accommodating cavity 130 can be properly reduced; alternatively, when the outer diameter of the cable 700 is large, only one cable 700 can be accommodated in one accommodation chamber 130. The protection sleeve 800 is used for dividing a plurality of cables 700 which are assembled together into a plurality of small-strand cable groups, wherein each small-strand cable group is respectively accommodated in different accommodating cavities 130, and the small-strand cable groups are respectively protected and limited in displacement through each protection sleeve 800, so that the possibility of scattered movement of the cables 700 in reciprocating motion and mutual winding among the cables 700 is reduced.

In addition, because the rigidity of the protective sleeve 800 is better than that of the cable 700, concave bending deformation is not easy to occur under the influence of gravity, so that the protective sleeve 800 can play a role in supporting the cable 700 under the condition that the distance between the connecting interfaces at two ends of the cable 700 is short, the influence of the falling of the cable 700 on the operation of the equipment is avoided, an additional bracket or supporting structure is not required to support the cable 700, and the overall weight of a cable 700 system is reduced. In addition, the accommodating cavity 130 of the protective sleeve 800 is relatively airtight, so that external dust can be prevented from entering the accommodating cavity 130 to influence the service life of the cable 700, and a better dustproof effect is achieved. Because can splice each other between the protective sheath 800, consequently can suitably adjust the quantity of protective sheath 800 according to the quantity of cable 700, compare in the crawler-type tow chain among the prior art, can make the adjustment according to the size and the quantity of cable 700, for example, if when cable 700 quantity is less, if use the crawler-type tow chain of fixed specification, the cable 700 is great in the activity space in the tow chain inner chamber, the circumstances such as the easy emergence winding, wearing and tearing, the quantity of protective sheath 800 can be increased and decreased according to the quantity of cable 700 to the cable tow chain of this application, the later stage of being convenient for installs the pipeline additional.

In some embodiments, as shown in fig. 1, the main body 100 is a sealed structure, when the protective cover 800 is sleeved on the cable 700, one end of the cable 700 needs to be penetrated into an opening at one end of the protective cover 800, and then the cable 700 extends out of an opening at the other end of the protective cover 800, which is mainly applied to a case that no plug, connection terminal or the like is connected to one end of the cable 700. In other embodiments, as shown in fig. 2, the main body 100 is in a detachable structure, specifically, the main body 100 includes a first housing 110 and a second housing 120, the main body 100 further includes a first fastening portion 400 and a second fastening portion 500, one ends of the first housing 110 and the second housing 120 are connected, the other end of the first housing 110 is provided with the first fastening portion 400, and the other end of the second housing 120 is provided with the second fastening portion 500. The first fastening part 400 and the second fastening part 500 have a first state of plugging engagement in which the first housing 110 and the second housing 120 define a housing cavity 130 closed in a circumferential direction, and a second state of plugging release in which the first housing 110 can be rotated relative to the second housing 120 until the housing cavity 130 is opened to accommodate the insertion of the cable 700.

By providing the openable accommodating cavity 130 so as to facilitate the installation and the disassembly of the cable 700, when the cable 700 is damaged, the main body 100 can be switched to the second state, the accommodating cavity 130 is opened, and the cable 700 can be taken out from the protective sleeve 800 so as to be convenient for replacing the cable 700. Moreover, this kind of structure is favorable to the assembly of various cables 700 that have connectors such as plug or connecting terminal, and the external diameter of connector often is greater than the external diameter of cable 700, in prior art, just can wear to establish to the tow chain after need demolishing the connector, and in this application, can realize the installation of cable 700 through open accommodation chamber 130, place accommodation chamber 130 after cable 700 makes accommodation chamber 130 close through the joint of first buckling parts 400 and second buckling parts 500, and this kind of threading efficiency is higher.

In some embodiments, the first plug portion 200 is connected to the first housing 110, the first plug portion 200 extends toward the second plug portion 300 of the adjacent protective case 800 to form an extension section 210, and the first fastening portion 400 is disposed on the extension section 210. As shown in fig. 3, the extension section 210 is horizontally disposed, the first fastening portion 400 extends upward from the extension section 210, so that the fastening structure and the plugging structure of the protection sleeve 800 are designed together in a centralized manner, which is favorable for saving the space occupied by the connection structure of the protection sleeve 800, improving the space utilization rate, and the fastening structure and the plugging structure are located between two adjacent protection sleeves 800, and are not protruded from the upper surface and the lower surface of the protection sleeve 800, which is favorable for saving the space of the protection sleeve 800 in the vertical direction. Further, the extension section 210 is further provided with a rib 211 in an extending manner, and the rib 211 is disposed between the first fastening portion 200 and the first fastening portion 400, as shown in fig. 3, after the first fastening portion 400 is connected with the second fastening portion 500 and the first fastening portion 200 is connected with the second fastening portion 300, a distance between the rib 211 and the second fastening portion 500 is smaller than a distance between the rib 211 and the second fastening portion 300, or two sides of the rib 211 are respectively abutted against the second fastening portion 500 and the second fastening portion 300, so that movement of the second fastening portion 500 and the second fastening portion 300 in the horizontal direction can be limited.

In some embodiments, as shown in fig. 3, the first fastening part 400 includes a first protrusion 410 and first edge wings 420 extending from both sides of the first protrusion 410, the second fastening part 500 includes a first groove 510, second protrusions 520 extend from both side walls of the first groove 510, respectively, a distance between the two second protrusions 520 is smaller than a distance between the two first edge wings 420, and since the protective case 800 can be elastically deformed to a certain extent so that the first protrusion 410 can be inserted into the first groove 510, and then the elastic deformation is restored, the second protrusions 520 and the first edge wings 420 cooperate to limit the relative movement of the first fastening part 400 and the second fastening part 500. Similarly, the first socket part 200 includes a third protrusion 220 and second flange wings 230 extending from both sides of the third protrusion 220, the second socket part 300 includes a second groove 310, fourth protrusions 320 extend from both side walls of the second groove 310, respectively, the third protrusion 220 can be inserted into the second groove 310, and the fourth protrusions 320 and the second flange wings 230 cooperate to limit the relative movement of the first socket part 200 and the second socket part 300. It should be noted that, in the present embodiment, the third protrusion 220 and the extension section 210 are substantially the same, and it is understood that the second edge wing 230 extends from two sides of the extension section 210.

It should be noted that, in the embodiment shown in fig. 3, the shapes of the first fastening portion 400 and the first inserting portion 200 are different, the first edge wing 420 of the first fastening portion 400 is a straight line segment, extends perpendicular to the sidewall of the first protrusion 410, and the second edge wing 230 of the first inserting portion 200 is a circular arc segment, and extends from the sidewall of the third protrusion 220. The second fastening part 500 and the second inserting part 300 are also different in shape, the second fastening part 500 is in a square groove shape, and the second inserting part 300 is in a circular groove or a conical groove shape. The shape distinction design of the plugging structure and the fastening structure is beneficial to the operator to clearly distinguish the first fastening part 400 and the first plugging part 200 and distinguish the second fastening part 500 and the second plugging part 300 in the assembly process, so as to prevent the assembly error of the operator.

Unlike the above embodiment, the first housing 110 and the second housing 120 are integrally connected at one end and detachably connected at the other end, and in other embodiments, both ends of the first housing 110 and the second housing 120 are detachably connected. That is, the first engaging parts 400 are respectively provided at both ends of the first housing 110, and the second engaging parts 500 are respectively provided at both ends of the second housing 120; in the first state, the first housing 110 and the second housing 120 define a housing cavity 130 closed in the circumferential direction, and in the second state, the first housing 110 is separated from the second housing 120, and the housing cavity 130 is fully opened to accommodate the insertion of the cable 700.

Referring to fig. 4, in a second aspect of the present application, a drag chain assembly is provided, which includes a pressing member 600 and at least two sets of cable drag chains according to any one of the embodiments, because the protective sleeves 800 of the cable drag chains of each set are elongated and elliptical, the protective sleeves 800 in the cable drag chains of each set are sequentially arranged along the direction of the longest outer diameter of the ellipse (i.e., the second direction 910), and the cable drag chains of each set are sequentially arranged along the direction of the shortest outer diameter of the ellipse, which is beneficial to reducing the space between the cables 700 and saving space. The pressing piece 600 is sleeved on each group of cable tows and is used for tightly hooping each group of cable tows together to form a cable bundle, so that the centralized arrangement of the cables 700 is convenient to realize, and the overall structure is compact.

In some embodiments, adjacent sets of cable towlines are staggered in the stacking direction, i.e., in the vertical direction as shown in fig. 5. The protective sleeves 800 of the cable drag chain of the upper group are correspondingly arranged at the concave part between the two protective sleeves 800 of the cable drag chain of the lower group, so that the space is fully utilized, and the thickness of the drag chain component is reduced. Taking the case of two groups of cable towlines as shown in fig. 5 as an example, the first buckling parts 400 of the cable towline of the upper group extend upwards, the first buckling parts 400 of the cable towline of the lower group extend downwards, so that more space is reserved for accommodating the protective sleeves 800 of the other group for the concave parts arranged in opposite directions between the protective sleeves 800 of the two groups of cable towlines, the thickness of the towline assembly is further reduced, and the space utilization rate of the towline assembly is improved.

In some embodiments, as shown in fig. 6, the pressing member 600 includes a first pressing plate 610 and a second pressing plate 620, the cable drag chain is disposed between the first pressing plate 610 and the second pressing plate 620, the pressing member 600 further includes an adjusting mechanism, specifically may be a threaded locking member 630, two ends of the threaded locking member 630 are respectively connected to the first pressing plate 610 and the second pressing plate 620, and a distance between the first pressing plate 610 and the second pressing plate 620 may be adjusted by rotating the threaded locking member 630, so as to adjust a degree to which each group of cable drag chain is pressed.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims

1. The cable tow chain, its characterized in that includes:

2. The cable drag chain of claim 1, wherein the main body portion comprises a first housing and a second housing, the main body portion further comprises a first buckling portion and a second buckling portion, one ends of the first housing and the second housing are connected, the other end of the first housing is provided with the first buckling portion, and the other end of the second housing is provided with the second buckling portion;

3. The cable drag chain of claim 2, wherein the first plug portion is connected to the first housing, the first plug portion extends toward the second plug portion of the adjacent protective sheath to form an extension, and the first snap portion is disposed on the extension.

4. The cable drag chain of claim 3, wherein the extension segment further comprises a flange disposed between the first mating portion and the first snap-fit portion to limit displacement of the second snap-fit portion and the second mating portion.

5. The cable drag chain of claim 2, wherein the first engagement portion includes a first protrusion and a first flange extending from both sides of the first protrusion, the second engagement portion includes a first groove, second protrusions extend from both side walls of the first groove, respectively, the first protrusions are insertable into the first groove, and the second protrusions and the first flange cooperate to limit relative movement of the first engagement portion and the second engagement portion.

6. The cable drag chain of claim 1, wherein the main body portion comprises a first housing and a second housing, the main body portion further comprises a first buckling portion and a second buckling portion, the first buckling portion is respectively arranged at two ends of the first housing, and the second buckling portion is respectively arranged at two ends of the second housing;

7. The cable drag chain of claim 1, wherein the first spigot portion includes a third protrusion and second flange wings extending from both sides of the third protrusion, the second spigot portion having a second recess with fourth protrusions extending from both side walls of the second recess, respectively, the third protrusion being insertable into the second recess, the fourth protrusion and the second flange wings cooperating to limit relative movement of the first spigot portion and the second spigot portion.

8. Tow chain subassembly, its characterized in that includes:

at least two sets of cable towlines as claimed in any one of claims 1 to 7, each set of cable towlines being arranged in a stack;

9. The tow chain assembly of claim 8, wherein adjacent sets of the cable tow chains are staggered in the stacking direction.

10. The tow chain assembly of claim 8, wherein the compression member comprises a first compression plate and a second compression plate, each set of the cable tow chain is disposed between the first compression plate and the second compression plate, the compression member further comprising an adjustment mechanism capable of adjusting a distance between the first compression plate and the second compression plate.