CN112952688A - Cable protection device - Google Patents
Cable protection device Download PDFInfo
- Publication number
- CN112952688A CN112952688A CN202110326180.2A CN202110326180A CN112952688A CN 112952688 A CN112952688 A CN 112952688A CN 202110326180 A CN202110326180 A CN 202110326180A CN 112952688 A CN112952688 A CN 112952688A
- Authority
- CN
- China
- Prior art keywords
- protection device
- winding ring
- cable protection
- chain
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
Abstract
The invention discloses a cable protection device, which comprises a chain formed by connecting a plurality of chain links end to end, wherein the whole chain and a wire harness extend in the same direction; each chain link comprises a winding ring, the winding ring forms a closed ring to surround the periphery of the wire harness, and the limiting effect is achieved on the circumferential direction of the wire harness; the both ends of wire winding ring axis direction set up spliced pole and spread groove respectively, spliced pole and spread groove on two adjacent chain links are mutually supported and are connected, make two adjacent chains practically present rotation each other, the chain link is at certain angular range internal rotation, when the axis of two chain links forms minimum contained angle, the radius of the inscribed circle that corresponds with the axis is greater than the minimum radius of buckling of pencil, because whole chain is cut continuous the formation by a plurality of chains, consequently, the radius of the circular arc that whole chain buckled and formed is greater than the minimum radius of buckling that the pencil corresponds, inject the radius of buckling of pencil, do not receive the human factor interference, can prevent cable bending angle too big influence signal transmission effectively.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a cable protection device.
Background
The server and the memory products are connected through cables to realize system signal transmission, and the cables are complicated in type, difficult to arrange and weak. The existing wire arranging mode is mostly direct binding, a wire harness is bound by a cable through a binding belt, the binding can be completed only by a large number of binding belts, the binding process is complicated, and the arrangement is inconvenient; and the ribbon needs to exert great binding power and can reach the effect, otherwise the ribbon can remove along the pencil, can't reach the effect of binding into the pencil, but the ribbon is bound the tension and is damaged the cable easily.
When the cable runs and turns, the radius of the cable is larger than a certain radius to ensure that the core of the cable is not pressed to cause abnormal signal transmission attenuation loss, and the radius is the minimum bending radius of the cable; the turn arrangement of cable needs to rely on operating personnel's quality to guarantee, is difficult to prevent that the condition of bend radius undersize from appearing, influences signal transmission's stability easily.
For those skilled in the art, how to define the bending radius of the wire harness is a technical problem to be solved at present.
Disclosure of Invention
The invention provides a cable protection device, which is characterized in that a plurality of chain links form a chain, and the rotation angle between two chain links is limited, so that overlarge bending interference signal transmission to a wire harness is avoided, and the specific scheme is as follows:
a cable protection device comprises a chain formed by connecting a plurality of chain links end to end; each of the links includes a wire loop forming a closed loop around an outer periphery of the wire harness;
the both ends of wire winding ring axis direction set up spliced pole and spread groove respectively, adjacent two on the chain link the spliced pole with the spread groove is mutually supported and is connected and realize rotating, two the radius of the inscribed circle that corresponds when the axis of chain link forms minimum contained angle is greater than the minimum radius of buckling of pencil.
Optionally, the cross-sectional dimension of the inner cavity of the winding ring is larger than the cross-sectional dimension of the wire harness.
Optionally, adjacent two of the links define a minimum included angle formed by the axes through contact of the wire loops.
Optionally, the connecting column comprises an extension rod and a ball head; the connecting groove is a spherical groove; the ball head can be inserted into the spherical groove to form a spherical hinge.
Optionally, the extension rod has a diameter larger than a thickness of the winding ring, and the extension rod extends to the connection groove.
Optionally, a self-locking buckle and a self-locking clamping groove are respectively arranged on the winding ring, and the self-locking buckle and the self-locking clamping groove can be mutually clamped and locked.
Optionally, a rotation groove is formed in the wire winding ring, the self-locking buckle and the self-locking buckle groove are respectively located on two sides of the rotation groove, and the wire winding ring rotates by taking the rotation groove as a rotation shaft.
Optionally, each of the links includes two or more of the winding loops, and adjacent two of the winding loops have a common segment.
Optionally, the connecting column and the connecting slot are provided on the common section.
Optionally, a binding hole for penetrating the binding belt is arranged on the common section.
The invention provides a cable protection device, which comprises a chain formed by connecting a plurality of chain links end to end, wherein the whole chain and a wire harness extend in the same direction; each chain link comprises a winding ring, the winding ring forms a closed ring to surround the periphery of the wire harness, and the limiting effect is achieved on the circumferential direction of the wire harness; the both ends of wire winding ring axis direction set up spliced pole and spread groove respectively, spliced pole and spread groove on two adjacent chain links are mutually supported and are connected, make two adjacent chains practically present rotation each other, the chain link is at certain angular range internal rotation, when the axis of two chain links forms minimum contained angle, the radius of the inscribed circle that corresponds with the axis is greater than the minimum radius of buckling of pencil, because whole chain is cut continuous the formation by a plurality of chains, consequently, the radius of the circular arc that whole chain buckled and formed is greater than the minimum radius of buckling that the pencil corresponds, inject the radius of buckling of pencil, do not receive the human factor interference, can prevent cable bending angle too big influence signal transmission effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall structural view of a cable protection device provided by the present invention,
FIGS. 2A and 2B are respectively an upright axis view and an inverted axis view of a wire winding ring in a link in a closed state;
FIG. 3A is an axial schematic view of the self-locking buckle and the self-locking groove in the normal direction at an angle when they are separated;
FIG. 3B is an axial schematic view of the inverted orientation at an angle when the self-locking buckle and the self-locking buckle slot are separated;
FIG. 4A is an axial schematic view of the self-locking buckle and the self-locking groove at another angle in the normal direction when they are separated;
FIG. 4B is an axial schematic view of the inverted orientation at another angle when the self-locking buckle and the self-locking buckle slot are separated;
fig. 5 is a schematic structural diagram of the cable protection device according to the present invention, in which the entire chain is bound to the chassis.
The figure includes:
the winding device comprises a winding ring 1, a self-locking buckle 11, a self-locking clamping groove 12, a rotating groove 13, a common section 14, a binding hole 15, a connecting column 2, an extension rod 21, a ball head 22 and a connecting groove 3.
Detailed Description
The core of the invention is to provide a cable protection device, wherein a chain is formed by a plurality of chain links, and the rotation angle between two chain links is limited, so that the phenomenon that the wire harness is bent excessively to interfere signal transmission is avoided.
In order to make those skilled in the art better understand the technical solution of the present invention, the cable protection device of the present invention will be described in detail with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1, which is an overall structure diagram of the cable protection device provided by the present invention, a in the figure shows a chain link, and B shows a cable tie; the cable protection device comprises a chain formed by connecting a plurality of chain links A end to end; each link includes a wire loop 1, and the wire loop 1 forms a closed loop around the outer periphery of the wire harness, and surrounds the outer periphery of the wire harness, defining the circumferential position of the wire harness.
Fig. 2A and 2B are respectively an upright axis view and an inverted axis view of the winding ring 1 in the link in a closed state; the two ends of the axial direction of the winding ring 1 are respectively provided with a connecting column 2 and a connecting groove 3, the axial direction also refers to the through direction of the winding ring 1, and the wire harness is inserted into the winding ring 1 along the through direction.
The connecting columns 2 and the connecting grooves 3 on two adjacent chain links are mutually matched and connected to realize rotation, namely the chain links are in butt joint end to end; two adjacent chain links can rotate by a revolute pair formed by mutually connecting the connecting column 2 and the connecting groove 3, but the chain links can not rotate at any angle, the rotating angle needs to be limited, and the radius of a corresponding inscribed circle is larger than the minimum bending radius of a wire harness when the axis of the two chain links forms a minimum included angle; as shown in fig. 1, the included angle θ represents an axial included angle between two adjacent links, the axial lines of the two adjacent links may determine an inscribed circle, the included angle cannot be further reduced when the links are relatively rotated to a certain angle, the larger the included angle θ is, the larger the radius of the inscribed circle corresponding to the included angle θ is, and when the included angle θ reaches the corresponding minimum value, the bending degree of the wire harness reaches the maximum.
The cable protection device provided by the invention is mainly used for the bending position of the wire harness, and the limiting structure between the chain links is reasonably arranged, so that the radius of the corresponding inscribed circle is larger than the minimum bending radius of the wire harness when the axes of the two adjacent chain links form the minimum included angle, namely, the bending radius is still larger than the minimum bending radius allowed by the wire harness when the wire harness is bent to the maximum degree allowed by the chain links, therefore, the wire harness is not bent excessively, the quality of signal transmission in the wire harness can be ensured, the limiting structure of the wire harness is not interfered by the experience of operators, and the misoperation is fundamentally avoided.
On the basis of the scheme, the sectional dimension of the inner cavity of the winding ring 1 is larger than that of the wire harness, so that the winding ring 1 cannot generate excessive pressure on the wire harness in the circumferential direction, and the wire harness is only required to be sleeved with the winding ring 1, so that the damage to the wire harness is reduced.
The invention provides a limiting structure between chain links, wherein two adjacent chain links are in contact with each other through winding rings 1 to limit a minimum included angle formed by an axis, when the two adjacent winding rings 1 rotate to a minimum angle allowed by an included angle theta of the axis, the two winding rings 1 are in contact with each other, the included angle theta cannot be reduced continuously, and therefore the wire harness is prevented from being bent to an overlarge degree.
The angle is limited through the winding ring 1, other structures do not need to be additionally arranged, and in addition, other limiting structures can be arranged between the connecting column 2 and the connecting groove 3 to realize angle limitation.
Preferably, in order to realize the angle limiting in a wider range, the connecting column 2 comprises an extension rod 21 and a ball head 22, the extension rod 21 extends out of the winding ring 1, the ball head 22 is fixedly arranged at the extending end of the extension rod 21, and the outer diameter of the ball head 22 is larger than that of the extension rod 21 to form an expansion structure; connecting groove 3 is spherical recess, and bulb 22 can insert the spherical recess and form the ball pivot, and 360 degrees rotations of circumference can be realized to spliced pole 2 and connecting groove 3, promote the pivoted flexibility ratio.
Besides, if the connection column 2 and the connection groove 3 are hinged, these embodiments are all included in the protection scope of the present invention.
Preferably, the diameter of the extension rod 21 in the present invention is greater than the thickness of the winding ring 1, the extension rod 21 extends to the connecting groove 3, and the connecting groove 3 and the ball 22 are respectively fixed at two ends of the extension rod 21 to play a role of reinforcing the structure.
The winding ring 1 is respectively provided with a self-locking buckle 11 and a self-locking clamping groove 12, the self-locking buckle 11 and the self-locking clamping groove 12 can be mutually clamped and locked, and as shown in fig. 3A and 4A, axial measuring intentions of two different angles in the upright direction are respectively shown when the self-locking buckle 11 and the self-locking clamping groove 12 are separated;
fig. 3B and fig. 4B are axial schematic views of the inverted direction at two different angles when the self-locking buckle 11 and the self-locking buckle groove 12 are separated; referring to fig. 2A and 2B, a winding ring 1 is formed into a cylindrical structure, and is provided with an opening, two ends of the opening are respectively provided with a self-locking buckle 11 and a self-locking groove 12, and the self-locking buckle 11 and the self-locking groove 12 are mutually clamped and matched to realize closing or opening; when the wiring harness is installed, the self-locking buckle 11 and the self-locking clamping groove 12 are separated from each other, and the self-locking buckle 11 and the self-locking clamping groove 12 are closed after the wiring harness is installed, so that a closed surrounding structure is formed.
Furthermore, the invention arranges a rotating groove 13 on the winding ring 1, the rotating groove 13 is parallel to the axial direction of the winding ring 1, the thickness of the rotating groove 13 is less than the thickness of other positions of the winding ring 1, therefore, the rotating groove 13 can be bent and rotated, and the rotating groove 13 is equivalent to a rotating shaft; the self-locking buckle 11 and the self-locking buckle groove 12 are respectively positioned at two sides of the rotating groove 13, and the winding ring 1 rotates by taking the rotating groove 13 as a rotating shaft; because the rotating groove 13 is arranged, the whole winding ring 1 is still a whole; besides the way of providing the rotating groove 13, the connection can also be realized by a pin connection way, and the winding ring 1 is formed by mutually and rotatably connecting two parts.
On the basis of any one technical scheme and mutual combination thereof, each chain link comprises more than two winding rings 1, and two adjacent winding rings 1 have a common section 14; the embodiments provided in the drawings are described by taking two winding rings 1 as an example, and it should be noted that the link of the present invention is not limited to two winding rings 1, and a greater number of winding rings or only one winding ring may be provided, and these specific embodiments are all possible.
Each of the winding rings 1 has a common segment 14 portion, each of the winding rings 1 forms a plurality of cables into a bundle, and the outer circumference of the overall structure of each of the winding rings 1 when closed is approximately cylindrical, as shown in fig. 2A and 2B, each of the winding rings 1 equally divides the entire circumference.
The connecting column 2 and the connecting groove 3 are arranged on the common section 14, preferably in the center of the common section 14, and the stress in all directions around the cable is uniform after the cable is threaded into each winding ring 1.
Furthermore, the invention arranges a binding hole 15 for passing a binding belt on the common section 14, the binding belt passes through the binding hole 15, and then the binding belt is bound on the case, as shown in fig. 5, the invention is a structural schematic diagram that the whole chain of the cable protection device is bound on the case, and the figure C shows the case; it should be noted that the binding holes 15 provide an optional connecting position for binding the binding band, and the binding band can be directly bound on the periphery of the whole chain to realize chain positioning, and is not limited to the binding band connected through the binding holes 15.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cable protection device is characterized by comprising a chain formed by connecting a plurality of chain links end to end; each chain link comprises a winding ring (1), and the winding ring (1) forms a closed ring around the periphery of the wire harness;
the both ends of wire winding ring (1) axis direction set up spliced pole (2) and spread groove (3) respectively, adjacent two on the chain link spliced pole (2) with spread groove (3) are mutually supported and are connected and realize rotating, two the radius of the inscribed circle that corresponds when the axis of chain link forms minimum contained angle is greater than the minimum radius of buckling of pencil.
2. The cable protection device according to claim 1, characterized in that the cross-sectional dimension of the inner cavity of the winding ring (1) is larger than the cross-sectional dimension of the wiring harness.
3. Cable protection device according to claim 1, characterized in that adjacent two of said links define a minimum angle of axis formation by the contact of said winding ring (1).
4. Cable protection device according to claim 1, characterized in that the connection post (2) comprises an extension rod (21) and a bulb (22); the connecting groove (3) is a spherical groove; the ball head (22) can be inserted into the spherical groove to form a spherical hinge.
5. Cable protection device according to claim 4, wherein the extension rod (21) has a diameter larger than the thickness of the winding ring (1), the extension rod (21) extending to the connection slot (3).
6. The cable protection device according to claim 1, wherein the winding ring (1) is provided with a self-locking buckle (11) and a self-locking clamping groove (12), and the self-locking buckle (11) and the self-locking clamping groove (12) can be mutually clamped and locked.
7. The cable protection device according to claim 6, wherein a rotation groove (13) is formed in the winding ring (1), the self-locking buckle (11) and the self-locking clamping groove (12) are respectively located on two sides of the rotation groove (13), and the winding ring (1) rotates by taking the rotation groove (13) as a rotation shaft.
8. Cable protection device according to any one of claims 1 to 7, wherein each link comprises more than two winding rings (1), adjacent two winding rings (1) having a common section (14).
9. Cable protection device according to claim 8, characterized in that the connection stud (2) and the connection slot (3) are provided on the common section (14).
10. Cable protection device according to claim 8, wherein said common section (14) is provided with a lacing hole (15) for passing a lacing tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326180.2A CN112952688A (en) | 2021-03-26 | 2021-03-26 | Cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110326180.2A CN112952688A (en) | 2021-03-26 | 2021-03-26 | Cable protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112952688A true CN112952688A (en) | 2021-06-11 |
Family
ID=76226893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110326180.2A Pending CN112952688A (en) | 2021-03-26 | 2021-03-26 | Cable protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112952688A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200956507Y (en) * | 2006-04-25 | 2007-10-03 | 上海南汇电缆厂 | Cable clamp plate chain |
| CN207309975U (en) * | 2017-08-24 | 2018-05-04 | 四川九鼎智远知识产权运营有限公司 | A kind of robot three-dimensional drag chain |
| CN110556751A (en) * | 2018-05-30 | 2019-12-10 | 成都九十度工业产品设计有限公司 | Three-dimensional drag chain link |
-
2021
- 2021-03-26 CN CN202110326180.2A patent/CN112952688A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200956507Y (en) * | 2006-04-25 | 2007-10-03 | 上海南汇电缆厂 | Cable clamp plate chain |
| CN207309975U (en) * | 2017-08-24 | 2018-05-04 | 四川九鼎智远知识产权运营有限公司 | A kind of robot three-dimensional drag chain |
| CN110556751A (en) * | 2018-05-30 | 2019-12-10 | 成都九十度工业产品设计有限公司 | Three-dimensional drag chain link |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3050688B2 (en) | Transmission device between rotating body and fixed body | |
| US3855777A (en) | Reel of alternately rotated parallel-wire strand and method of making | |
| US5779175A (en) | Cording reel device | |
| CN112952688A (en) | Cable protection device | |
| EP3807737B1 (en) | Hinged device | |
| JPS59105217A (en) | Cable twisting device | |
| JPH04310445A (en) | Cable reel | |
| JPH0559287B2 (en) | ||
| US10750272B2 (en) | Hearing device with flat flexible electric connection | |
| JP4301466B2 (en) | Clamp current sensor | |
| JPS6256485B2 (en) | ||
| US4757723A (en) | Springloaded end terminations for rotary cable drive apparatus | |
| JP3228379B2 (en) | Clamping device for ridged wires | |
| JPH06284546A (en) | Connector for connecting power cable conductor with lead wire | |
| CN211556727U (en) | Cable anti-winding mechanism for electrocardiographic examination | |
| JPH09278293A (en) | Wire type material protecting apparatus and wire type material protecting apparatus winding device | |
| JPS6017927Y2 (en) | Chain type cable winding device for antenna equipment | |
| CN204222803U (en) | Webbing retractor | |
| US20220340394A1 (en) | Rotary Guide For One or More Lines | |
| JPH0489770A (en) | Wire taking up and storing device | |
| US20220320841A1 (en) | Sheath structure and wire harness | |
| JPH0674554B2 (en) | Search | |
| JP2001345026A (en) | Tape winding device | |
| JPH04328071A (en) | Cable reel | |
| JPH048142Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |
|
| RJ01 | Rejection of invention patent application after publication |