TWI609140B - Chain structure for a cable protection tube - Google Patents

Description

Improvement of chain structure of cable protection

The present invention provides an improved link structure for a cable protector that is related to the structure of a protective cable or wire.

Generally, large-scale machinery must be configured with a plurality of cables for power distribution to large machinery. In order to prevent these cables from being exposed, it is necessary to cooperate with a cable protection tube as described in the announcement No. I487855 of the Republic of China. The chain structure is improved, and the cable wires are modified to cover the cable lines of the cable protection tube.

When a large machine is in operation, the cable will be displaced in accordance with the machining action of the large machine. At the same time, the chain structure of the cable protection tube will also cooperate with the cable lines; while the large machine is easy to fall during processing. Debris, when the debris falls into the chain structure of the cable guard, it is easy to scratch the cable installed inside, causing the cable to break and leak, and the cable must be replaced frequently.

In order to replace the internal damaged cable, the maintenance personnel must frequently remove the chain structure of the cable protection tube. However, the chain structure of the Republic of China Bulletin No. I487855 cable protection tube is improved because it is not specially designed for disassembly. The structure, the structure of the card combination, makes the whole stable and difficult to disassemble, making it difficult for maintenance personnel to disassemble the chain structure of the cable guard.

However, in order to join a plurality of links together, the spiral guide groove and the guide edge must be engaged with each other, so that the spiral guide groove and the guide edge can be firmly engaged, and the spiral guide groove and the guide wire must be made. The length of the rim is the same as that of the chain. Although the slewing groove can be stably engaged with the slewing edge, the maintenance personnel must align the rotating guide groove occupying a large area with the correct angle. The edge can correctly engage the spiral guide groove and the screw guide edge, which makes it difficult for the maintenance personnel to engage the screw guide groove and the screw guide edge.

The invention provides an improvement of a chain structure of a cable wire protection pipe, and the main purpose thereof is to improve the adhesion degree of the cable wire protection pipe, reduce the situation that the waste generated during large-scale machining falls into the cable wire protection pipe, and thereby reduce the cable. The situation of line damage.

Another object of the present invention is to improve the positioning effect, making the positioning member easier to disassemble, and allowing the maintenance personnel to open at any time to check the internal cable.

Another object of the present invention is to improve the spiral guide groove and the spiral guide edge, so that the spiral guide groove and the screw guide edge can maintain stable engagement, and the rotary guide groove and the screw guide edge can be easily disassembled.

Still another object of the present invention is to enhance the conventional chain engaging structure so that the engagement is stable and difficult to disengage.

In order to achieve the foregoing object, the present invention is an improved link structure of a cable protection tube, comprising:

a link piece having an opposite inner surface and an outer surface, the link piece having a first joint portion and a second joint portion, wherein the first joint portion is connected to the second joint portion in a direction a direction in which the inner surface extends to the outer surface is a transverse axis direction, and the outer surface is convexly formed with an outer wall of a circular arc shape, the outer connecting wall being located between the first joint portion and the differential joint portion;

a first coupling unit is disposed on the first joint portion of the link sheet, and the first joint unit is located on the inner surface, and the first joint unit has a pivot hole, and the plurality of sleeve grooves are disposed around the pivot hole Each of the sleeves is formed into a fan shape;

a second coupling unit is disposed on the second joint portion of the link sheet body, and the second joint unit is located at the outer surface, and the second joint unit has a pivot column formed by the outer protrusion, and the pivot column is surrounded by the pivot column Arranging a plurality of positioning ribs, each of the positioning ribs is an elongated rib extending from the pivot post, the pivot post is pivotally connected to the pivot hole, and each of the positioning ribs is respectively inserted into each of the sleeves ;

a guide edge having a spiral projection formed from the outer wall, the spiral projection being spaced apart from the outer surface by a distance, the spiral guide defining a slot between the outer surface and the outer surface;

a rotating guide groove having an extending portion protruding from the connecting piece body in the extending direction, the extending portion and the inner surface jointly defining a receiving groove, the rotating guiding groove is provided with the other first The spiral guiding edge of the bonding unit is interposed, and the rotating guiding convex insertion is placed in the cavity, and the extending portion is inserted in the slot;

a pivoting unit is formed from the inner surface, the pivoting unit is composed of a bottom wall and two side walls, and the side walls face each other, and the bottom wall connects the two side walls, the bottom wall and the second side A pivoting groove is defined between the side walls, and a pivot is respectively protruded from the side wall;

a shielding piece is disposed between the two connecting piece bodies facing the inner surface, the shielding piece has a positioning groove, and the positioning groove is opposite to the horizontal direction of the shielding piece The positioning slot is configured to receive the pivoting unit. The positioning slot is defined by two opposite sides and abutting surface. The abutting surface is convexly disposed with a positioning protrusion. Two grooves are disposed, and the two pivots are respectively pivotally received in the two grooves, and the positioning protrusions are received in the pivoting groove, and the positioning protrusion is concavely provided with a blocking groove. The baffle groove has a concave surface facing the bottom wall, the baffle groove receiving the rib, and the concave surface of the baffle is provided to abut the rib. .

Therefore, the shielding sheet can be attached to the other shielding piece by the shielding piece, so that the waste generated during the processing of the processing machine is blocked outside the shielding piece, and the waste falling into the cable protection tube is greatly reduced. Condition, which in turn reduces cable damage.

The shielding piece of the present invention can be disassembled by the word, so that the maintenance personnel can be turned on at any time to check the internal cable.

According to the invention, the spiral guide groove, that is, the spiral guide edge, can maintain stable engagement, and the rotary guide groove and the screw guide edge can be easily disassembled.

The present invention is capable of maintaining a stable engagement by the slewing groove and the slewing edge, and the area of the circumscribed edge occupies the outer wall is smaller than that of the circumscribed wall, so that the slewing edge is more easily installed into the slewing groove. And the guiding edge is blocked by the extending portion, so that the guiding edge and the spiral guiding groove are not easily removed.

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 for a brief description of the following:

Referring to FIG. 1 to FIG. 15 , the present invention provides a chain structure improvement of a cable protection tube, comprising: referring to FIG. 2 , a link sheet 10 having an opposite inner surface 101 and an outer surface 102 , the link piece The body 10 has a first joint portion 11 and a second joint portion 12. The direction of the first joint portion 11 extending to the second joint portion 12 is an extending direction X, and the inner surface 101 extends to the outer surface 102. The direction of the direction is a transverse axis direction Z, the outer surface 102 is formed by forming an outer wall 13 of a circular arc shape, the outer connecting wall 13 is located between the first joint portion 11 and the second joint portion 12; a first joint unit 20, the first joint portion 11 of the link sheet 10 is disposed, and the first joint unit 20 is located on the inner surface 101, and the first joint unit 20 has a pivot hole 21, and the pivot hole 21 is surrounded by a plurality of Each of the sleeves 22 is formed in a fan shape; a second coupling unit 30 is disposed on the second joint portion 12 of the link sheet body 10, and the second joint unit 30 is located on the outer surface 102, and the The two combining unit 30 has a pivot post 31 formed by being convexly formed from the outer surface 102, and the pivot post 31 is surrounded by a plurality of pivots Each of the positioning ribs 32 is an elongated rib extending from the pivot post 31. The pivot post 31 is pivotally connected to the pivot hole 21, and each of the positioning ribs 32 is respectively inserted into each of the positioning ribs 32. In the sleeve 22; referring to FIG. 2 and FIG. 7, a guide edge 40 has a rotation guide 42 formed from the outer wall 13 and the rotation guide 42 and the outer surface 102. There is a distance between the guiding protrusion 42 and the outer surface 102 defining a slot 41. Referring to FIG. 2 and FIG. 7, a rotating channel 50 has an extending portion 52 from the connecting piece. The body 10 protrudes in the extending direction X, and the extending portion 52 and the inner surface 101 jointly define a cavity The slewing groove 50 is inserted into the other guiding edge 40 of the first coupling unit 20, and the guiding protrusion 42 is inserted into the receiving groove 53, and the extending portion 52 is inserted therein. The inside of the slot 41 is shown in FIG. 2, FIG. 4 and FIG. The sidewalls 62 are formed, and the sidewalls 62 are opposite to each other, and the bottom wall 61 is connected to the sidewalls 62. The bottom wall 61 and the sidewalls 62 define a pivoting groove 63 therebetween. The pivot 64 and the pivot 64 are respectively protruded from the side wall 62. A convex rib 65 is protruded from the bottom wall 61 toward the pivoting groove 63. The rib 65 is located at the bottom wall 61. One end of the link body 10; please refer to FIG. 2 and FIG. 3, a shielding piece 70 is disposed between the two link pieces 10, the shielding piece 70 has a positioning groove 71, and the positioning groove 71 is The shielding piece 70 is recessed along the opposite sides of the horizontal axis direction Z. The positioning groove 71 is for receiving the pivoting unit 60. The positioning groove 71 is formed by the opposite side faces 711 and abutting surface. 712 defines shape The abutment surface 712 has a positioning protrusion 72. The positioning protrusion 72 protrudes from the abutting surface 712 along the horizontal axis. The positioning protrusion 72 is recessed with two grooves 721. The shafts 64 are respectively pivotally received in the two recesses 721, and the positioning protrusions 72 are received in the pivoting slots 63, so that the side walls 62 are received in the positioning slots 71. 72 is recessed with a stop groove 76 having a retaining surface concave surface 761 facing the bottom wall 61. The retaining post groove 76 accommodates the protruding rib 65, and the retaining post concave surface 761 is provided for The rib 65 abuts.

In this embodiment, the link sheet 10 has an elliptical shape. The link sheet 10 has a first arc side 10A, a second arc side 10B and two straight sides 10C, and one of the straight sides 10C is connected to another The direction of the straight side 10C is a longitudinal axis direction Y, and one end of the straight side 10C is connected to the first arc side 10A, and the other end of the straight side 10C is connected to the second arc side 10B, the first arc Side 10A and second arc side 10B have an arc and are equally curved.

The outer wall 13 is opposite to the second joint unit 30, and the arc of the outer wall 13 is equal to the arc of the first arc side 10A and the second arc side 10B, and the outer wall 13 divides the outer surface 102 into a first An outer surface 102A and a second outer surface 102B, the first outer surface 102A is connected to the first arc side 10A, and the second outer surface 102B is connected to the second arc side 10B. The first outer surface 102A is provided with the second bonding unit 30. The second outer surface 102B is raised into a platform surface such that the second outer surface 102B and the first outer surface 102A are stepped. The outer wall 13 connects the second outer surface 102B and the first outer surface 102A.

The outer wall 13 is divided into a first wall side 13A and two second wall side 13B, and the second wall side 13B is connected to the straight side 10C, and the first wall side 13A is connected to the second side. The second wall side 13B is disposed such that the first wall side 13A is located between the second wall side 13B, and the first wall side 13A is smaller than the second wall side 13B. The rim 40 is convexly formed on the first wall side 13A.

The first outer surface 102A is provided with the second bonding unit 30. The number of the positioning ribs 32 is four, and the positioning ribs 32 are rectangular in shape, and the positioning ribs 32 surround the pivot post 31. The positioning ribs 32 are equally spaced apart, wherein the two positioning ribs 32 are disposed along the longitudinal axis direction Y, and the other two of the positioning ribs 32 are disposed along the extending direction X.

The number of the sleeves 22 is four, and the four sleeves 22 respectively accommodate four positioning ribs 32. Since each of the sleeves 22 has a larger area than each of the positioning ribs 32, the positioning ribs 32 can be surrounded by four. The pivot post 31 is displaced.

The number of the shielding sheets 70 is plural. Each of the shielding sheets 70 has an upper surface 70A and a lower surface 70B. One side of the upper surface 70A is curved to form a curved surface 73. The lower surface 70B is opposite to the curved surface. The other side of the recess 73 is recessed to form a concave curved surface 74 having the same curvature as the curved surface 73. The concave curved surface 74 is provided with the curved surface 73 of the other shielding sheet 70. fit.

The number of the pivoting units 60 of each of the linking sheets 10 is two, one of the pivoting units 60 is connected to the straight side 10C, and the other of the pivoting units 60 is connected to the other of the straight sides 10C. The two side walls 62 of the button unit 60 respectively have a positioning groove 621, the positioning groove 621 is located on the other side opposite to the pivoting groove 63, and the positioning groove 621 extends along the horizontal axis direction Z and is recessed. The positioning groove 621 has a grooved surface 6211 perpendicular to the side wall.

Referring to FIG. 4, FIG. 8 and FIG. 14, the thickness of one of the side walls 62 of the pivot unit 60 is thinner than the other side wall 62. When the pivot unit 60 is combined with the positioning protrusion 72, the thinner portion is thinner. An opening slot N is formed between the side wall 62 and the side surface 711.

Referring to FIG. 2 and FIG. 14 , the two side faces 711 of the shielding piece 70 are respectively provided with a positioning latch 75, and the positioning latch 75 is convex along the horizontal axis direction Z. The positioning latch 75 is provided. The two positioning pins 621 are fixedly engaged with the two.

The above is the structural configuration of the present invention and its relationship position, and the use of the present invention is as follows:

Referring to FIG. 9 to FIG. 10, the two linked sheets 10 and the two shielding sheets 70 are combined into a link A, and the link A is provided with a cable for laying the link A when the user wants to When the shielding piece 70 is opened, first, as shown in FIG. 6, a one-word screwdriver F is inserted into the opening slot N, and the word driver F is pulled along the extending direction X, so that the shielding piece 70 is The positioning tab 75 is disengaged from the positioning slot 621 along the extending direction X, so that the positioning protrusion 72 is disengaged from the pivoting groove 63, and the user can open the shielding piece 70.

When the invention is assembled, one of the connecting sheets 10 and the other connecting sheet 10 need to be inclined by about 10 degrees, and the guiding edge 40 and the other guiding groove 50 of the linking sheet 10 smoothly intersect each other. The extension portion 52 is inserted into the slot 41, and the guide edge 40 is inserted into the slot 53. Due to the blocking of the extension portion 52, the two link sheets 10 are not And the locating ribs 32 are correspondingly inserted into the sleeves 22, and the pivot posts 31 are correspondingly inserted into the pivot holes 21, as shown in FIG. Since the sleeve groove 22 is fan-shaped, the other link sheet body 10 can be pivoted about the pivot post 31.

The curved surface 73 of the shielding piece 70 is attached to the concave curved surface 74 of the other shielding piece 70. When the two links A are turning, the curved surface 73 and the concave curved surface 74 are attached to each other. When the two links A are turned, the gaps are not exposed between the two shutters 70.

Therefore, the shielding sheet 70 can be attached to the other shielding sheet 70, so that the waste generated during the processing of the processing machine is blocked outside the shielding sheet 70, and the waste is dropped into the cable protection. The condition inside the tube, which in turn reduces the damage of the cable.

The shielding piece 70 of the present invention can be disassembled by the one-word screwdriver F, so that the maintenance personnel can turn on at any time to check the internal cable.

The present invention is capable of maintaining a stable engagement by the slewing groove 50 and the slewing edge 40, and the area of the circumflex edge 40 occupies the outer wall 13 is smaller than that of the outer wall 13, making the rim 40 easier to fit. In the slewing groove 50, the slewing edge 40 is blocked by the extending portion 52, so that the slewing edge 40 and the slewing groove 50 are not easily detached.

In another object, the blocking concave surface 761 abuts against the stopper 65, so that the linking sheet body 10 and the shielding sheet 70 are stably engaged, thereby avoiding the linking sheet body 10 along the horizontal axis direction. Z stretched open.

10‧‧‧Link sheet

10A‧‧‧ first arc side

10B‧‧‧second arc side

10C‧‧‧ straight side

101‧‧‧ inside

102‧‧‧ outside

102A‧‧‧ first outside

102B‧‧‧Second outside

11‧‧‧ First Joint Department

12‧‧‧Second junction

13‧‧‧External wall

13A‧‧‧first wall side

13B‧‧‧Second wall side

20‧‧‧ first combination unit

21‧‧‧ pivot hole

22‧‧‧ sets of slots

30‧‧‧Second combination unit

31‧‧‧ pivot

32‧‧‧ positioning ribs

40‧‧‧Rotary margin

41‧‧‧ slots

42‧‧‧Rotary convex

50‧‧‧Rotary guide groove

52‧‧‧Extension

53‧‧‧ 容容

60‧‧‧ pivot unit

61‧‧‧ bottom wall

62‧‧‧ side wall

621‧‧‧ positioning card ditch

6211‧‧‧ card ditch

63‧‧‧ pivoting slot

64‧‧‧ pivot

65‧‧ ‧ blocking column

70‧‧‧ occlusion piece

70A‧‧‧ upper surface

70B‧‧‧ lower surface

71‧‧‧ positioning slot

711‧‧‧ side

712‧‧‧ by face

72‧‧‧Positioning convex

721‧‧‧ Groove

73‧‧‧ curved surface

74‧‧‧ concave curved surface

75‧‧‧positioning card

76‧‧‧Block slot

761‧‧ ‧ concave concave

A‧‧‧ link

F‧‧‧一字起子

N‧‧‧Open slot

X‧‧‧ extending direction

Y‧‧‧ vertical axis direction

Z‧‧‧ horizontal axis direction

FIG. 1 is a schematic perspective view of the present invention. Figure 2 is a perspective exploded view of the present invention. Figure 3 is a partial enlarged view of the present invention based on the reference numeral 3 of Figure 2 . Figure 4 is a partial enlarged view of the present invention based on the reference numeral 4 of Figure 2 . Figure 5 is a partially enlarged cross-sectional view showing the present invention. Figure 6 is a schematic perspective view of the present invention. Figure 7 is a perspective view of the present invention based on the line 7-7 of Figure 6; Figure 8 is a perspective view of the assembly of the present invention. Figure 9 is a perspective cross-sectional view showing the opening of the present invention. Figure 10 is an enlarged view of the present invention based on reference numeral 10 of Figure 9. Figure 11 is a schematic view of the invention after it is opened. Figure 12 is a perspective view of the bent state of the present invention. Figure 13 is a cross-sectional view taken along line 13-13 of Figure 12. Figure 14 is a partially enlarged cross-sectional view showing the present invention. Figure 15 is a cross-sectional view taken along line 15-15 of Figure 12.

10‧‧‧Link sheet

70‧‧‧ occlusion piece

A‧‧‧ link

Claims (3)

An improved link structure of a cable protection tube includes: a two-link piece having an opposite inner surface and an outer surface, wherein the link piece has a first joint portion and a second joint portion a direction in which the joint portion is connected to the second joint portion is an extending direction, and the direction in which the inner surface extends to the outer surface is a horizontal axis direction, and the outer surface is convexly formed into an outer wall of a circular arc shape, and the outer wall is located at the outer joint wall Between the first joint portion and the differential joint portion; a first joint unit disposed at the first joint portion of the link sheet body, wherein the first joint unit is located on the inner surface, and the first joint unit has a pivot hole, a plurality of sleeves are disposed around the pivot hole, each of the sleeves is formed into a fan shape; a second joint unit is disposed at the second joint portion of the link sheet, and the second joint unit is located at the second joint unit Outside, the second bonding unit has a pivot post formed from the outer protrusion, and the plurality of positioning ribs are disposed around the pivot post, and each of the positioning ribs is an elongated rib extending from the pivot post, the pivot post Being pivotally pivoted to the pivot hole, The positioning ribs are respectively inserted into the sleeves; a rotating guide edge has a rotation guide protrusion formed by the protrusion of the outer circumference wall, and the rotation guide protrusion is spaced apart from the outer surface by a distance, the rotation a slot is defined between the guiding protrusion and the outer surface; a rotating guiding groove has an extending portion, and the extending portion protrudes from the connecting piece body in the extending direction, and the inner surface defines a receiving groove. The rotation guide groove is inserted into the rotation guide edge of the other first coupling unit, the rotation guide convex insertion is placed in the housing, the extension portion is inserted in the slot; a pivot unit Formed from the inner surface, the pivoting unit is composed of a bottom wall and two side walls, and the side walls face each other, and the bottom wall connects the two side walls, and between the bottom wall and the two side walls Defining a pivoting groove, and a pivot is respectively protruded from the side wall; a second shielding piece for being disposed between the two linked piece bodies facing the inner faces, wherein the shielding pieces respectively have a positioning groove, and each of the positioning grooves is from the shielding piece along the horizontal axis The positioning slot is configured to receive the pivoting unit, and the positioning slot is formed by the opposite side surfaces and abutting surface. The abutting surface is convexly disposed with a positioning protrusion. Two positioning grooves are disposed on the positioning convex recesses, and the two pivoting shafts are respectively pivotally received in the two recesses, and the positioning protrusions are received in the pivoting grooves, and the positioning convex recesses are provided with a recess a baffle groove having a concave surface facing the bottom wall, the baffle groove receiving a rib, and the concave surface of the baffle is provided to abut the rib. Wherein, the two linked sheets and the two blocking sheets are combined into a chain link. The link structure of the cable protection tube according to claim 1 is improved, wherein the link piece has a first arc side, a second arc side and two straight sides, and one of the straight sides is connected to the first side. An arc side, the other end of the straight side is connected to the second arc side, the outer wall is divided into a first wall side and two second wall sides, and the second wall side is respectively connected to the second side The first connecting wall side is connected to the connecting wall side, so that the first connecting wall side is located between the two second connecting wall sides, and the first connecting wall side has an area smaller than the second connecting wall side. Small, the spiral guiding edge is convexly formed on the first connecting wall side. The cable structure of the cable protection tube of claim 1 is improved, wherein the side wall of the pivoting unit has a positioning card groove, and the shielding piece is provided with a positioning card, and the positioning card is provided for The positioning card groove is fixedly engaged.