TW201337127A - Chain structure for a cable protection pipe - Google Patents

Abstract

A chain structure for a cable protection pipe, which comprises a plurality of pivoted connecting pieces arranged in two lines by cooperating with a plurality of connecting units and inserting units, and a plurality of positioning members for connecting the connecting pieces. The space between each two connecting pieces is provided for receiving a cable. Each inserting unit is provided with two hole positioning blocks and two groove positioning blocks received in two holes and two grooves of each connecting unit for restricting the pivot angle of the connecting piece, respectively. Each hole positioning block is provided with a restriction passage cooperating with a protruded wing to prevent the connecting piece from lifting up and down, similarly, each groove positioning block is provided with a protruded leg cooperating with a restriction recess to prevent the connecting piece from lifting up and down, improving the smoothness of the whole operation.

Description

Improvement of chain structure of cable protection

The present invention provides an improved link structure of a cable sheath, which is related to a combined structure of a cable or a combination of wires.

The general large-scale machine must be configured with a large number of cables for power distribution, and in order to make these cables not completely exposed, it is more necessary to use a cable protection tube to cover the cables, the cable protection The plurality of links are pivotally joined, and when the large machine is in operation, the cable is frequently displaced in accordance with the machining action, and at the same time, the links of the cable protection tube are also coordinated to generate an action. Therefore, in addition to the smooth pivoting between the links of the cable protection tube, the bonding strength between the links directly affects the smoothness of the action; when the cable protection can match the movement of the implement When a motion is generated correspondingly and a pivotal motion is generated between the links, if the conditions of the upper and lower movements cannot be reliably restricted between the links, the pivotal motion between the links may be poor. The inventors of the present invention have been practicing in the field for many years and believe that the stability of the limit can be further improved in response to the above claims. In view of this, the inventors have devoted themselves to research and further conceived. After several test for research, and finally invented an improved chain protection tube sheet structure of one kind of cable.

The invention provides a chain structure improvement of a cable wire protection tube, and the main purpose thereof is Improve the stability of the joint, reduce the occurrence of up and down turbulence, and improve the smoothness of the movement.

In order to achieve the foregoing object, the present invention provides an improved link structure of a cable protection tube, which mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, and the linked link pieces are assembled. Two rows are arranged side by side and then connected between the two rows of link sheets by a plurality of positioning members, wherein: each of the link sheets has an opposite inner surface and an outer surface, and a direction perpendicular to the inner surface and the outer surface is defined as Each of the receiving units is disposed at an outer end of each of the linking sheets, and the receiving unit includes a matching receiving recess recessed in the outer surface, and a pivot hole is disposed in the center of the matching receiving recess. Two sets of holes and two sets of slots are arranged around the pivot hole, each set of holes is adjacent to each set of slots, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively connected by two ends of the inner circumferences of the two sets of holes respectively. The inner side of the hole is surrounded by a plurality of grooves, and each of the sleeves has two sets of inner circumferential surfaces of the groove and a pair of inner side surfaces of the inner circumferential surfaces of the two sets of grooves respectively, and the inner sides of each set of holes of each set of holes are respectively Inside the hole a convex wing, wherein a groove of the inner groove of the sleeve groove away from the pivot hole is recessed to define a limiting channel, the height of the limiting channel in the thickness direction is lower than the height of the fitting receiving recess in the thickness direction; The plug-in unit is respectively disposed at the other end of the inner surface of the link sheet, and the plug-in unit includes a mating plug portion recessed on the inner surface, the mating plug portion centrally forming a pivot post surrounding the pivot The column is equiangularly arranged with two sets of hole positioning blocks and two sets of groove positioning blocks, and the sleeve hole positioning block and the sleeve groove positioning block are adjacently arranged, and each set of hole positioning blocks and each set of groove positioning blocks are rectangular, and each set of holes The positioning block is respectively arranged by two sets of holes to align the circumferential surface of the block The two ends of the two sets of groove positioning blocks are respectively connected by the two sides of the circumferential surface of the two sets of groove positioning blocks, and the two sides of the groove positioning block are respectively connected with the side faces of one set of groove positioning blocks, and each set of holes is positioned on the side of the block positioning block. A limiting channel is disposed through the periphery of the sleeve positioning block away from the pivot post, and a protruding leg is formed, the pivot post is pivotally received in the pivot hole, and each set of hole positioning blocks is accommodated in each set of holes The sleeve positioning blocks are received in the sleeves, and the protrusions are received in the limiting passages, and the protrusions are received in the limiting slots.

In order to achieve the foregoing objective, the present invention further provides an improved link structure of a cable protection tube, which mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, and the linked link body after assembly Two rows are arranged side by side and then connected between the two rows of link sheets by a plurality of positioning members, wherein: each of the link sheets has an opposite inner surface and an outer surface, and a direction perpendicular to the inner surface and the outer surface is defined as In the thickness direction, the receiving unit is disposed on the outer ends of the two ends of the linking piece, and the connecting units are disposed on the inner faces of the two ends of the connecting piece; the receiving units respectively include a The recess is disposed on the outer mating receiving recess, the pivoting recess is provided with a pivot hole, and the pivot hole is surrounded by two sets of holes and two sets of slots, each set of holes adjacent to each set of slots, and each set of holes and sleeves The trough is formed into a fan shape, and each set of holes is respectively formed by connecting two ends of the inner peripheral surface of the two sets of holes to a pair of inner side faces of the holes, and each set of grooves has two sets of inner peripheral faces of the grooves and inner circumferences of each of the two sets of grooves. Connected at both ends a set of inner side surfaces of the sleeves, wherein the inner side surfaces of each set of holes respectively protrude into the sleeve hole to form a convex wing, and a set of slots away from the inner peripheral surface of the sleeve groove of the pivot hole is recessed to define a limiting channel, Limiting the height of the channel in the thickness direction to be lower than the mating tolerance a height of the recessed portion in the thickness direction; and each of the plug-in units respectively includes a mating plug portion recessed on the inner surface, the mating plug portion centrally forming a pivot post, and the set of two pivot holes is equiangularly disposed around the pivot post The positioning block and the two sets of groove positioning blocks, and the sleeve positioning block and the sleeve positioning block are adjacently arranged, each set of hole positioning blocks and each set of groove positioning blocks are formed into a rectangular shape, and each set of hole positioning blocks is respectively positioned by two sets of holes The two ends of the circumferential surface of the block are respectively connected with a side of a set of hole positioning blocks, and each set of groove positioning blocks is respectively formed by connecting two ends of the circumferential faces of the two sets of groove positioning blocks to the side faces of one set of groove positioning blocks, each set of holes A limiting channel is disposed on a side of the positioning block, and a protruding leg is formed on a circumferential surface of the sleeve positioning block away from the pivot post. The pivot post is pivotally received in the pivot hole, and each set of hole positioning blocks is disposed. In each set of holes, each set of groove positioning blocks is accommodated in each set of grooves, and the convex wings can be accommodated in the limit passage, and the protrusions are accommodated in the limit groove.

In order to achieve the foregoing objective, the present invention further provides an improved link structure of a cable protection tube, which mainly comprises a plurality of link pieces being assembled by a combination of a plurality of receiving units, a plurality of plug units, and a plurality of rotating units, and The connected link sheets are arranged side by side in two rows and then connected between the two columns of link sheets by a plurality of positioning members, wherein: each of the link sheets has an opposite inner surface and an outer surface, respectively perpendicular to the inner surface and the outer surface The outer connecting direction is defined as a thickness direction; each of the receiving units is respectively disposed at an outer end of each of the linking sheets, and the receiving unit includes a matching receiving recess disposed on the outer surface, the matching receiving recess central portion A pivot hole is arranged, and two sets of holes and two sets of slots are arranged around the pivot hole, each set of holes is adjacent to each set of slots, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively formed by two The two ends of the inner peripheral surface of the sleeve are respectively connected with a pair of inner sides of the hole, and each sleeve has two sets of inner peripheral surfaces of the groove and a set of inner sides of the inner circumference of each of the two sets of grooves respectively. The inner side surfaces of each set of holes respectively protrude into the sleeve hole to form a convex wing, and the inner circumferential surface of the sleeve groove which is away from the pivot hole is recessed to define a limiting groove, and the limiting groove is thickened. The height of the direction is lower than the height of the matching receiving recess in the thickness direction; each of the plugging units is respectively disposed at the other end of the inner surface of the linking piece, and the plugging unit includes a matching insertion hole disposed on the inner surface a joint portion, the center of the mating plug portion is formed with a pivot post, and two sets of hole positioning blocks and two sets of slot positioning blocks are equiangularly arranged around the pivot post, and the sleeve hole positioning block and the sleeve positioning block are adjacently disposed, and each set The hole positioning block and each groove positioning block are formed into a rectangular shape, and each set of hole positioning blocks is respectively formed by two ends of the circumferential faces of the two sets of hole positioning blocks respectively connected to a side of the hole positioning block, and each set of groove positioning blocks respectively Two sets of slots are respectively connected to the two ends of the circumferential surface of the groove positioning block The side surface is formed, a limiting passage is arranged through the side of each set of hole positioning blocks, and a convex leg is extendedly formed on the circumferential surface of the sleeve positioning block away from the pivot post, the pivot post is pivotally received in the pivot hole, and each The sleeve positioning block is received in each set of holes, and the sleeve positioning blocks are accommodated in the sleeves, and the protrusions are accommodated in the limiting passage, and the protrusions are received in the limiting channel; And each of the rotation guiding units respectively includes a rotation guiding groove and a rotating guiding edge, wherein the rotating guiding groove is recessed on the joint surface of the matching receiving concave portion and the linking piece body, and the rotating guiding groove corresponds to the two ends of the sheet body The outer shape is formed into a circular arc shape, and the spiral guiding groove is lower than the outer surface of the linking piece; and the rotating guiding edge is disposed on the connecting piece body and the plugging unit is disposed In the outer edge, the spiral guiding edge is formed into a circular arc shape corresponding to the spiral guiding groove, and the rotating guiding edge of the adjacent connecting piece body is correspondingly accommodated in the rotary guiding groove.

In order to achieve the foregoing objective, the present invention provides an improved link structure of a cable protection tube, which mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, and the linked link pieces are assembled. Two rows are arranged side by side and then connected between the two rows of link sheets by a plurality of positioning members, wherein: each of the link sheets has an opposite inner surface and an outer surface, and a direction perpendicular to the inner surface and the outer surface is defined as In the thickness direction, the mating receiving unit is disposed on the outer ends of the two ends of the linking piece body, and the connecting inner unit is disposed on the inner surfaces of the two ends of the connecting piece body; each of the receiving units respectively includes a recessed recess is disposed in the outer surface of the recess, and a pivot hole is disposed in the center of the recessed recess, and the sleeve is surrounded by two sets of holes and two sets of slots, each set of holes adjacent to each set of slots, and each set of holes and The sleeve is formed into a fan shape, and each set of holes is respectively formed by connecting two ends of the inner circumferential surface of the two holes to a pair of inner sides of the hole, and each sleeve has two sets of inner circumferential surfaces of the groove and two sets of grooves respectively. Both ends of the circumference a pair of inner side surfaces of the sleeves, wherein the inner side surfaces of each set of holes respectively protrude into the sleeve hole to form a convex wing, and a set of grooves away from the inner circumferential surface of the sleeve hole is recessed to define a limiting channel The height of the limiting channel in the thickness direction is lower than the height of the matching receiving recess in the thickness direction; each of the plugging units respectively includes a mating plug portion recessed on the inner surface, and the mating plug portion is formed in the center. a pivot column, around which the two sets of hole positioning blocks and two sets of groove positioning blocks are equiangularly arranged, and the hole hole positioning block and the sleeve positioning block are adjacently disposed, The set of hole positioning blocks and each set of groove positioning blocks are formed into a rectangular shape, and each set of hole positioning blocks is respectively formed by connecting two ends of the circumferential faces of the two sets of hole positioning blocks respectively to a side of a set of hole positioning blocks, and each set of groove positioning blocks The two ends of the circumferential surface of the two sets of groove positioning blocks are respectively connected with the side faces of one set of groove positioning blocks, and a limit passage is arranged through the side of each set of hole positioning blocks, and the circumferential surface of the sleeve positioning block away from the pivot column is extended and formed. a protruding leg, the pivot post is pivotally received in the pivot hole, and each set of hole positioning blocks is received in each set of holes, and each set of groove positioning blocks is accommodated in each set groove, and the convex wing can be accommodated The slewing channel is disposed in the limiting channel; and each of the slewing units includes a slewing groove and a slewing edge, and the slewing groove is recessed in the accommodating recess a joint surface of the link sheet, the outer surface of the guide strip is formed into a circular arc shape corresponding to the two ends of the link sheet, and the spiral guide groove is lower than an outer surface of the link sheet; and the spiral guide edge is disposed The outer edge of the plug unit is disposed on the link piece, and the guide edge is formed corresponding to the guide groove Arc aspect, leading edge phase rotation o the body of the link plates received in a corresponding rotation guide groove.

The upper and lower swaying movements of the first layer are limited by the limitation of the slanting wings and the limiting passages; and the shank is assembled in the limiting channel by the protruding legs in a deeper assembly manner, thereby providing the upper and lower swaying movements of the second layer. Moreover, the rotation guide edge and the rotation guide groove are accommodated, and the multiple limit can surely limit the occurrence of the up and down movement, avoid affecting the pivoting movement of the link piece, and improve the smoothness of the overall movement.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [simplified description of the drawings] for details: The improvement of the chain structure of the cable protection tube of the present invention mainly comprises the combination of the plurality of link pieces 20 by the combination of the plurality of receiving units 30, the plurality of plug units 40 and the plurality of rotating units 50, and the connected link pieces The bodies 20 are arranged side by side in two rows and then connected between the two rows of link sheets 20 by a plurality of positioning members 60, wherein each of the link sheets 20 has an opposite inner surface 21 and an outer surface 22, respectively. The connecting direction of the surface 21 and the outer surface 22 is defined as a thickness direction D1, and the inner surface 21 of each of the linking sheets 20 is provided with two opposite positioning posts 23, and each positioning post 23 has a limiting protrusion 231; each of the receiving units 30, disposed on the outer surface 22 of each of the link sheets 20, and the receiving unit 30 includes a matching receiving recess 31 recessed in the connecting strip body 20, and a pivot hole 32 is further disposed in the center of the mating receiving recess 31 Two sets of holes 33 and two sets of slots 34 are disposed around the pivot hole 32. Each set of holes 33 is adjacent to each set of slots 34, and each set of holes 33 and sleeves 34 are formed in a fan shape, and each set of holes 33 is respectively formed by two The two ends of the inner peripheral surface 331 of the sleeve are respectively connected with a set of inner side surfaces 332 of the holes, and each The groove 34 has two sets of inner circumferential surfaces 341 and a set of inner side surfaces 342 respectively connected to the two inner circumferential surfaces 341 of the two sets of grooves, and the inner side surfaces 332 of each set of holes 33 are respectively directed into the sleeve holes 33. A convex flank 333 is formed, and a groove 34 is recessed from the inner circumferential surface 341 of the sleeve 34 away from the pivot hole 32. The height of the limiting channel 343 in the thickness direction D1 is lower than the fitting capacity. The height of the recessed portion 31 in the thickness direction D1; and each of the receiving units 30 may be disposed at one end of the outer surface 22 of the link sheet 20 as shown in FIGS. 1 to 3; or may be disposed as shown in FIGS. 4 to 13 Both ends of the outer surface 22 of each of the link sheets 20; Each of the plug-in units 40 is disposed on the inner surface 21 of each of the link sheets 20, and the plug-in unit 40 includes a mating plug portion 41 recessed in the link sheet body 20, and the mating plug portion 41 A pivot post 42 is formed in the center, and two sets of hole positioning blocks 43 and two sets of groove positioning blocks 44 are equiangularly disposed around the pivot post 42 , and the sleeve positioning block 43 and the sleeve positioning block 44 are adjacently disposed, and each set of holes is positioned. The block 43 and each of the groove positioning blocks 44 are formed in a rectangular shape, and each of the hole positioning blocks 43 is respectively formed by two sets of hole positioning block circumferential surfaces 431 connected to a set of hole positioning block sides 432, and each set of grooves The positioning block 44 is respectively formed by the two sides of the circumferential surface 441 of the two sets of groove positioning blocks respectively connected to the side surface 442 of the groove positioning block. Each of the side holes 432 of the hole positioning block is disposed with a limiting channel 433, and the sleeve groove away from the pivot column 42. The positioning block 441 is extended to form a protrusion 443. The pivot post 42 is pivotally received in the pivot hole 32, and each set of hole positioning blocks 43 is received in each set of holes 33. The slats 333 are received in the sleeves 433, and the ribs 333 are received in the limiting passages 433. Each of the plug-in units 40 may be disposed at the other end of the inner surface 21 of the link sheet 20 as shown in FIG. 1; or may be disposed at both ends of the inner surface 21 of each of the link sheets 20 as shown in FIG. 4; Each of the slewing units 50 includes a slewing groove 51 and a slewing edge 52. The slewing groove 51 is recessed in a joint surface of the accommodating recess 31 and the linking piece 20, and the slewing groove 51 The appearance of the two ends of the link sheet 20 is formed into a circular arc shape, and the rotation guide groove 51 is lower than the outer surface 22 of the link sheet body 20; and the rotation guide edge 52 is disposed on the link sheet body 20 to be inserted. The outer edge 22 of the unit 40, the curved edge 52 is formed into a circular arc shape corresponding to the rotary guide groove 51; and each of the positioning members 60 is a long strip structure, and one side of each of the positioning members 60 is two A positioning slot 61 is disposed at the end, and the positioning slot 61 is formed corresponding to the positioning post 23, and each of the positioning members 60 is provided with two limiting through holes 62. The limiting through holes 62 respectively penetrate the positioning slot 61, and the positioning member 60 is disposed. Between the linked sheets 20 and the positioning posts 23 of the linking sheet 20 are positioned and positioned in the positioning slots 61, and the limiting protrusions 231 are pierced by the limiting through holes 62.

The above is an improved structural relationship of the chain structure of the cable protection tube of the present invention, and the above structure can be combined with the composition as shown in FIGS. 1 to 3. The single link piece 20 is provided with a receiving unit 30 and a plug. The monocular structure of the unit 40 is disposed, and the unitary structure is disposed at one end of the outer surface 22 of the link sheet 20, and the plug unit 40 is disposed at the other end of the inner surface 21 of the link sheet 20. The binocular structure as shown in FIGS. 4 to 13 may be formed, and the binocular structure is such that the outer peripheral portion 22 of the single-link sheet body 20 is provided with the receiving unit 30 at the both ends, and the adjacent another link sheet body 20 is inside. The plug-in unit 40 is disposed at both ends of the surface 21; and when the present invention is assembled, since the rotary guide unit 50 corresponding to the edge of the link sheet 20 is provided, it can be set as shown in FIG. The link body 20 having the guide edge 52 is obliquely inserted into the rotary guide groove 51 of the linked link body 20, and the adjacent link pieces 20 of the same column are respectively fitted by the receiving unit 30 provided on the outer surface 22. The plug-in unit 40 disposed on the inner surface 21 is assembled, and the assembled link bodies 20 are assembled by the pivot posts 42. The pivot hole 32 is pivotable. When pivoting, the sleeve positioning block 43 and the sleeve positioning block 44 are displaced in the limited space of the sleeve hole 33 and the sleeve groove 34 to limit the pivoting stroke, as shown in Figs. As shown, and when the link piece 20 is pivoted to one limit in one direction, the limit passages 433 of each set of hole positioning blocks 43 can be overlaid on the convex wings 333 In addition, the swaying of the two linked sheets 20 in the thickness direction D1 is restricted; in addition, the protrusions 443 of the plug-in unit 40 are further accommodated in the limiting channel 343, such as 11th to 13th. As shown in the figure, the restricting groove 343 is lower than the height position of the fitting receiving recess 31 in the thickness direction D1, that is, the fitting limit position of the protruding leg 443 and the limiting groove 343 is deeper than the outer surface 22. The assembly position can again ensure the sway of the two linked sheets 20 in the thickness direction D1; at the same time, the guide edge 52 of one of the link sheets 20 is accommodated in the adjacent connected link piece. In the rotary guide groove 51 of the body 20, the rotary guide groove 51 can also restrict the rotation of the rotary guide edge 52 upward; by the combination of the above-mentioned structures, multiple securing is ensured, and the respective link sheets 20 are actuated. There is no turbulence that affects the state of the pivoting action, and it can really improve the smoothness of use.

The single-purpose structural aspect or the dual-purpose structural aspect is assembled by the receiving unit 30 and the plug-in unit 40, and the assembling unit 30 and the plug-in unit 40 are assembled in the same manner as the above-mentioned embodiment. The difference lies only in the rendered appearance after assembly, and the same purpose and effect as above can be achieved.

"this invention"

20‧‧‧Link sheet

21‧‧‧ inside

22‧‧‧ outside

23‧‧‧Positioning column

231‧‧‧Limited bumps

30‧‧‧Function unit

31‧‧‧With a matching recess

32‧‧‧ pivot hole

33‧‧‧ sets of holes

331‧‧‧ Set of inner circumference of the hole

332‧‧‧ Inside the hole

333‧‧‧wing

34‧‧‧ sets of slots

341‧‧‧ Set of inner circumference of the groove

342‧‧‧ Inside the groove

343‧‧‧Limited channels

40‧‧‧Docking unit

41‧‧‧With the mating part

42‧‧‧ pivot

43‧‧‧Set hole positioning block

431‧‧‧ hole hole positioning block circumferential surface

432‧‧‧Sleeve positioning block side

433‧‧‧Limited access

44‧‧‧Slot positioning block

441‧‧‧Setting groove groove positioning surface

442‧‧‧Sleeve positioning block side

443‧‧ ‧ bulging feet

50‧‧‧Guide unit

51‧‧‧Rotary guide groove

52‧‧‧Rotary margin

60‧‧‧ positioning parts

61‧‧‧ positioning slot

62‧‧‧ Limit perforation

D1‧‧‧ thickness direction

1 is an exploded perspective view showing an improved structure of a chain of a cable protection tube of the present invention, and a monocular embodiment in which a receiving unit and a plugging unit are respectively provided at both ends of a single link piece.

Fig. 2 is a schematic view showing the combination of the two link sheets of the improved cable chain structure of the present invention.

Fig. 3 is a schematic view showing the combination of a plurality of linked sheets of the cable structure of the present invention as a monocular structure.

Fig. 4 is a schematic exploded view showing the structure of the chain structure of the cable protection tube of the present invention, and is a binocular embodiment in which the linking piece body of the group is provided with a receiving unit or a plug unit at both ends of one side.

Fig. 5 is a schematic view showing the combination of the double-link structure of the plurality of link sheets in which the chain structure of the cable protection tube of the present invention is improved.

Fig. 6 is a schematic view showing the assembly operation of the link sheet of the improved cable structure of the cable protection tube of the present invention.

Fig. 7 is a schematic view showing the combination of the two linked sheets of the cable structure of the present invention.

Figure 8 is a schematic view showing the structure of the other side of Figure 7.

Figure 9 is a schematic diagram of the structural operation of Figure 7.

Figure 10 is a schematic diagram of the structural operation of Figure 8.

Figure 11 is a cross-sectional view showing the structure of Figure 7.

Figure 12 is a cross-sectional view showing a portion of the structure of Figure 7.

Figure 13 is a cross-sectional view showing the structure of the upper portion of Fig. 7.

20‧‧‧Link sheet

21‧‧‧ inside

22‧‧‧ outside

23‧‧‧Positioning column

231‧‧‧Limited bumps

30‧‧‧Function unit

31‧‧‧With a matching recess

32‧‧‧ pivot hole

33‧‧‧ sets of holes

331‧‧‧ Set of inner circumference of the hole

332‧‧‧ Inside the hole

333‧‧‧wing

34‧‧‧ sets of slots

341‧‧‧ Set of inner circumference of the groove

342‧‧‧ Inside the groove

343‧‧‧Limited channels

40‧‧‧Docking unit

41‧‧‧With the mating part

42‧‧‧ pivot

43‧‧‧Set hole positioning block

431‧‧‧ hole hole positioning block circumferential surface

432‧‧‧Sleeve positioning block side

433‧‧‧Limited access

44‧‧‧Slot positioning block

441‧‧‧Setting groove groove positioning surface

442‧‧‧Sleeve positioning block side

443‧‧ ‧ bulging feet

50‧‧‧Guide unit

51‧‧‧Rotary guide groove

52‧‧‧Rotary margin

60‧‧‧ positioning parts

61‧‧‧ positioning slot

62‧‧‧ Limit perforation

D1‧‧‧ thickness direction

Claims (8)

A chain structure improvement of a cable protection tube mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, and the linked link pieces are arranged side by side in two columns and then in plural The positioning member is connected between the two rows of linking sheets, wherein: each of the linking sheets has an opposite inner surface and an outer surface, and a connecting direction perpendicular to the inner surface and the outer surface is defined as a thickness direction; each of the receiving units Separately disposed at an outer end of each of the link sheets, and the receiving unit includes a matching receiving recess recessed in the outer surface, a pivot hole is disposed in the center of the matching receiving recess, and two sets are disposed around the pivot hole a hole and two sets of grooves, each set of holes adjacent to each set of grooves, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively formed by connecting the two ends of the inner circumference of the two sets of holes respectively to the inner side of the set of holes, and Each sleeve has two sets of inner circumferential surfaces of the groove and a set of inner side surfaces of the inner circumferential surfaces of the two sets of grooves respectively, and the inner side faces of each set of holes respectively protrude into the sleeve hole to form a convex shape. Wing, and one of them is far away The inner circumferential surface of the sleeve hole is recessed to define a limiting channel, the height of the limiting channel in the thickness direction is lower than the height of the matching receiving recess in the thickness direction; and each of the plugging units is respectively disposed on the link piece The other end of the inner surface of the body, and the plug-in unit includes a mating plug portion recessed on the inner surface, the mating plug portion centrally forms a pivot post, and the two sets of hole positioning blocks are equiangularly arranged around the pivot post And two sets of slot positioning blocks, and the sleeve positioning block and the sleeve positioning block are adjacently arranged, each set of hole positioning blocks and each set of groove positioning blocks are formed into a rectangular shape, and each set of hole positioning blocks is respectively arranged by two sets of holes surface The two ends of the two sets of groove positioning blocks are respectively connected by the two sides of the circumferential surface of the two sets of groove positioning blocks, and the two sides of the groove positioning block are respectively connected with the side faces of one set of groove positioning blocks, and each set of holes is positioned on the side of the block positioning block. A limiting channel is disposed through the periphery of the sleeve positioning block away from the pivot post, and a protruding leg is formed, the pivot post is pivotally received in the pivot hole, and each set of hole positioning blocks is accommodated in each set of holes The sleeve positioning blocks are received in the sleeves, and the protrusions are received in the limiting passages, and the protrusions are received in the limiting slots. The cable structure of the cable protection tube according to claim 1 is improved, wherein the inner surface of each of the link sheets is provided with two opposite positioning posts, each of the positioning posts has a limiting protrusion, and each of the positioning posts The positioning members are respectively long strip structures, and one end groove of each of the positioning members is respectively provided with a positioning groove, the positioning groove is corresponding to the positioning column, and each of the positioning members is provided with two limiting holes, and the limiting holes are respectively penetrated through the The positioning slot is disposed between the two linked tabs, so that the positioning post of the linking sheet is received and positioned by the positioning slot, and the limiting protrusion is pierced by each of the limiting holes. An improved link structure of a cable protection tube mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, wherein the linked link pieces are arranged side by side in two columns and then positioned in a plurality of positions. The connecting piece is connected between the two rows of linked sheets, wherein: each of the linking sheets has an opposite inner surface and an outer surface, and a connecting direction perpendicular to the inner surface and the outer surface is defined as a thickness direction, and a linking sheet body The receiving unit is disposed on the outer side of the two ends of the connecting piece, and the connecting inner side of the connecting piece body of the other connecting piece is provided with a plug-in unit; each of the receiving units respectively includes a recessed and disposed on the outer surface. concave a pivot hole is disposed in the center of the matching receiving recess, and two sets of holes and two sets of slots are arranged around the pivot hole, each set of holes is adjacent to each set of slots, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively The two ends of the inner peripheral surface of the two sets of holes are respectively connected with a pair of inner side faces of the holes, and each set of grooves has two sets of inner peripheral faces of the grooves and a set of grooves respectively connected at two ends of the inner peripheral faces of the two sets of grooves The inner side surface of each set of holes of each set of holes respectively protrudes into a sleeve hole to form a convex wing, and a set of slots away from the inner peripheral surface of the sleeve groove of the pivot hole is recessed to define a limiting channel, the limiting channel The height in the thickness direction is lower than the height of the mating recessed portion in the thickness direction; and each of the plug-in units includes a mating plug portion recessed in the inner surface, the mating plug portion centrally forming a pivot post, Surrounding the pivot post, two sets of hole positioning blocks and two sets of groove positioning blocks are equiangularly arranged, and the set hole positioning block and the sleeve positioning block are adjacently arranged, and each set of hole positioning blocks and each set of groove positioning blocks are rectangular, and Each set of hole positioning blocks is respectively connected by two ends of the circumferential faces of the two sets of hole positioning blocks A set of hole positioning block is surrounded by a side surface, and each set of groove positioning blocks is respectively formed by connecting two ends of the circumferential surface of the two sets of groove positioning blocks to a side of a set of groove positioning blocks, and a limit is arranged on the side of each set of hole positioning blocks. a channel, a peripheral surface of the sleeve positioning block away from the pivot post is extended to form a convex leg, the pivot post is pivotally received in the pivot hole, and each set of hole positioning blocks is accommodated in each set of holes, each set of slots The positioning block is received in each set of slots, and the protruding wing can be received in the limiting channel, and the protruding leg is received in the limiting channel. The chain structure of the cable protection tube according to claim 3, wherein the inner surface of each of the link sheets is provided with two opposite positioning posts, each of the positioning posts has a limiting protrusion, and each of the positioning rods has a limit protrusion. The positioning members are respectively long strip structures, and each of the positioning members One of the two ends is respectively provided with a positioning slot, and the positioning slot is formed by the positioning post, and each of the positioning members is provided with two limiting holes, and the limiting holes are respectively penetrated through the positioning slot, and the positioning member is disposed on the second parallel link. Between the sheets, the positioning post of the linking sheet is received and positioned in the positioning slot, and the limiting protrusion is pierced by each of the limiting holes. An improved link structure of a cable protection tube mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units, a plurality of connection units and a plurality of rotation guide units, and the linked link pieces are arranged side by side The two rows are connected to the two rows of link sheets by a plurality of positioning members, wherein: each of the link sheets has an opposite inner surface and an outer surface, and a direction perpendicular to the inner surface and the outer surface is defined as a thickness direction; Each of the receiving portions is disposed at an outer end of each of the connecting sheets, and the receiving unit includes a matching receiving recess disposed on the outer surface, and a pivot hole is disposed in the center of the matching receiving recess, and the pivot hole is disposed Two sets of holes and two sets of slots are arranged around the circumference, each set of holes is adjacent to each set of slots, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively connected with two sets of inner circumferences of the inner circumference of the set of holes. The surrounding sleeves respectively have two sets of inner peripheral faces of the groove and a set of inner side faces of the inner circumferential faces of the two sets of grooves respectively, and the inner sides of the sets of holes of each set of holes are respectively directed into the set holes Projecting a convex wing, The inner circumferential surface of the sleeve groove away from the pivot hole is recessed to define a limiting channel, and the height of the limiting channel in the thickness direction is lower than the height of the matching receiving recess in the thickness direction; each of the plugging units is respectively disposed The other end of the inner surface of the link body, and the plug-in unit includes a mating plug portion recessed on the inner surface, the mating plug portion The heart is shaped into a pivot column, and two sets of hole positioning blocks and two sets of groove positioning blocks are arranged equiangularly around the pivot column, and the sleeve hole positioning block and the sleeve groove positioning block are adjacently arranged, and each set of hole positioning blocks and each groove positioning position The block is formed into a rectangular shape, and each set of hole positioning blocks is respectively formed by connecting two ends of the circumferential faces of the two sets of hole positioning blocks to a side of a set of hole positioning blocks, and each set of groove positioning blocks is respectively arranged by two sets of groove positioning blocks. The two ends are respectively connected to a side of a set of groove positioning blocks, and a limiting passage is arranged through the side of each set of hole positioning blocks, and a convex leg is extended to extend away from the circumferential surface of the sleeve positioning block of the pivot column, and the pivot column can be pivoted The grounding capacity is placed in the pivot hole, and each set of hole positioning blocks is accommodated in each set of holes, and each set of groove positioning blocks is accommodated in each set of grooves, and the convex wings can be accommodated into the limiting passage, and the convex Each of the rotation guiding units includes a rotation guide groove and a rotation guide edge, and the rotation guide groove is recessed on the joint surface of the fitting receiving concave portion and the link piece body, The appearance of the two ends of the spiral guide groove corresponding to the link body is formed into a circular arc shape, and the spiral guide groove is The outer edge of the connecting piece is disposed on the outer edge of the connecting piece, and the curved guiding edge is formed into a circular arc shape corresponding to the curved guiding groove, and the adjacent connecting piece body is connected The guiding edge of the screw is placed in the spiral guiding groove. The cable structure of the cable protection tube according to claim 5, wherein the inner surface of each of the link sheets is provided with two opposite positioning posts, each of the positioning posts has a limiting protrusion, and each of the positioning rods has a limit protrusion. The positioning members are respectively long strip structures, and one end groove of each of the positioning members is respectively provided with a positioning groove, the positioning groove is corresponding to the positioning column, and each of the positioning members is provided with two limiting holes, and the limiting holes are respectively penetrated through the Positioning groove, the positioning member is disposed between the two linked tab pieces, so that the positioning piece of the linking piece The receiving position is located in the positioning slot, and the limiting protrusion is pierced by each of the limiting holes. An improved link structure of a cable protection tube mainly comprises a plurality of link pieces being assembled by a combination of a plurality of connection units and a plurality of connection units, wherein the linked link pieces are arranged side by side in two columns and then positioned in a plurality of positions. The connecting piece is connected between the two rows of linked sheets, wherein: each of the linking sheets has an opposite inner surface and an outer surface, and a connecting direction perpendicular to the inner surface and the outer surface is defined as a thickness direction, and a linking sheet body The receiving unit is disposed on the outer side of the two ends of the connecting piece, and the connecting inner side of the connecting piece body of the other connecting piece is provided with a plug-in unit; each of the receiving units respectively includes a recessed and disposed on the outer surface. a recessed portion, a pivot hole is disposed in the center of the matching receiving recess, and two sets of holes and two sets of slots are arranged around the pivot hole, each set of holes is adjacent to each set of slots, and each set of holes and sleeves are formed into a fan shape, and each set of holes is respectively The two ends of the inner peripheral surface of the two sets of holes are respectively connected with a pair of inner side faces of the holes, and each set of grooves has two sets of inner peripheral faces of the grooves and a set of grooves respectively connected at two ends of the inner peripheral faces of the two sets of grooves Inner side, each set of holes The inner side of the hole protrudes into the sleeve hole to form a convex wing, and the inner circumferential surface of the sleeve groove away from the pivot hole is recessed to define a limiting channel, and the height of the limiting channel in the thickness direction is lower than the matching Each of the plug-in units includes a mating plug portion recessed on the inner surface, the mating plug portion centrally forming a pivot post, and two sets of equiangularly disposed around the pivot post a hole positioning block and two sets of groove positioning blocks, and the sleeve hole positioning block and the sleeve groove positioning block are adjacently arranged, each set of hole positioning blocks and each set of groove positioning blocks are formed into a rectangular shape, and each set of hole positioning blocks are respectively composed of two The two ends of the circumferential surface of the set of hole positioning blocks are respectively connected with the side faces of one set of hole positioning blocks, and each set of groove positioning blocks is respectively formed by connecting the two ends of the circumferential faces of the two sets of groove positioning blocks respectively to the side of one set of groove positioning blocks. A limiting channel is disposed on a side surface of each set of hole positioning blocks, and a protruding leg is extendedly formed on a circumferential surface of the sleeve positioning block away from the pivot column, the pivot post is pivotally received in the pivot hole, and each set of holes is positioned The sleeves are disposed in the sleeves, and the sleeve positioning blocks are received in the sleeves, and the protrusions are received in the limit passages, and the protrusions are received in the restriction channels; The guiding unit includes a rotating guiding groove and a rotating guiding edge, and the rotating guiding groove is recessed on the joint surface of the matching receiving concave portion and the linking piece body, and the appearance of the rotating guiding groove corresponding to the two ends of the linking piece is formed as The arc shape is such that the spiral guide groove is lower than the outer surface of the link piece; and the spiral guide edge is disposed at the outer edge of the link piece body, and the rotary guide edge is formed by the rotary guide groove. In the case of a circular arc, the guiding edge of the adjacent connecting piece body is accommodated in the spiral guiding groove. The chain structure of the cable protection tube according to claim 7 is improved, wherein the inner surface of each of the link sheets is provided with two opposite positioning posts, each of the positioning posts has a limiting protrusion, and each of the positioning posts has a limit protrusion. The positioning members are respectively long strip structures, and one end groove of each of the positioning members is respectively provided with a positioning groove, the positioning groove is corresponding to the positioning column, and each of the positioning members is provided with two limiting holes, and the limiting holes are respectively penetrated through the The positioning slot is disposed between the two linked tabs, so that the positioning post of the linking sheet is received and positioned by the positioning slot, and the limiting protrusion is pierced by each of the limiting holes.