TWI702764B - Chain structure of cable guard - Google Patents

Abstract

A chain structure of cable guard includes a connecting body, an assembling member and a separating member, an outer surface of each lateral plate is defined with a first connecting recess having a pivot ring and a first positioning convex ring, the first positioning convex ring is provided with a plurality of first convex ribs extending to the pivot ring, an inner surface of each lateral plate is defined with a second connecting recess having a positioning groove and a second positioning convex ring, the second positioning convex ring is provided with a plurality of second convex ribs extending to a groove wall of the positioning groove, when the two chains are connected to each other, it can ensure the stability after assembly, avoid the bad influence on the pivot movement caused by up and down movement, and improve the smoothness of the whole action.

Description

Chain piece structure of cable protection tube

The present invention is related to the chain piece structure, in particular to a chain piece structure of a cable protection tube.

A general machine tool needs to be equipped with many circuit wires, and these circuit wires must be displaced with the action of the machine tool. In order to ensure the smooth movement of the various circuit wires, a protective tube is used to cover the circuit wires. The movable structure of the cable protection tube ensures the smoothness of movement.

Please refer to FIG. 1, which is a structural diagram of the chain piece of the conventional cable protection tube. Most of the chain pieces 10 can be pivotally joined to form the cable protection tube (not shown in the figure). , The cable protection tube is constantly displaced in accordance with the processing action. At the same time, the chain pieces 10 of the cable protection tube will also cooperate to produce actions. Therefore, the cable protection tube In addition to being able to pivot smoothly, the bonding strength between the chain pieces 10 directly affects the smoothness of the movement.

However, in the conventional cable protection tube, the joints of the chain pieces 10 may be flipped due to the difference in the setting angle or direction, and the influence of gravity. Once the chain pieces 10 are flipped, it will It will affect the smoothness of the pivoting of each chain piece 10, and in severe cases, it will directly affect the accuracy of the machine tool.

In addition, the side plates 11 and the connecting plates 12 of each chain piece 10 are assembled in a combined manner. Therefore, the strength of the assembled joint is relatively weak compared to other parts. When a large machine operates, it may cause assembly The joint cannot withstand the applied pressure, and a break occurs.

Furthermore, the two side plates 11 and the connecting plate 12 are not integrally formed, which will invisibly cause problems such as complicated assembly, excessive manufacturing parts, and increased cost of the manufacturer, and even lead to time-consuming and difficult assembly.

Therefore, how to solve the above-mentioned problems and deficiencies is the direction that the creators of the present invention and related industries engaged in this direction urgently want to study and improve.

Another object of the present invention is to provide a chain piece structure for a cable protection tube. Its main purpose is to improve the stability of the combination, reduce the situation of up and down tilting, and also allow the majority of the chain pieces to be installed easily and quickly. The purpose and utility.

Another object of the present invention is to provide a chain piece structure for a cable protection tube. The two side plates and the connecting plate are integrally formed so that too many parts are not needed, so the assembly process can be reduced and the overall strength can be enhanced.

The reason is that, in order to achieve the foregoing objective, a chain piece structure of a cable protection tube provided according to the present invention includes:

A set of connecting body has two oppositely arranged side plates and a connecting plate integrally connected between the two side plates, each side plate has an outer surface, an inner surface opposite to the outer surface, and a connecting plate arranged on one side The buckle groove portion of each side plate is provided with a first assembly groove, a pivot ring arranged in the first assembly groove, and a pivot ring arranged in the first assembly groove and surrounding the pivot A first positioning convex ring of the ring, and a positioning section recessed on the outer edge of the first assembly groove, the first positioning convex ring is provided with a plurality of first ribs extending toward the pivoting ring, and A first chamfer located between the two first ribs and located at the outer edge, the inner surface of each side plate is provided with a second assembly groove and a barb block formed in the second assembly groove , A second chamfer set by the second assembly groove, a positioning groove recessed in the second assembly groove, and a second positioning convex ring set in the positioning groove, the second positioning protrusion The ring is provided with a plurality of second protruding ribs extending to the groove wall surface of the positioning groove, and each connecting plate has a first clamping surface, a first clamping portion protruding from the first clamping surface, and a plurality of The first locking ribs are arranged on both sides of the first locking part and arranged at intervals. The locking groove part has two limiting grooves, two opposite axial grooves connected with the two limiting grooves, and two opposite axial grooves. In addition, for the first positioning block and the second positioning block located between the two limiting grooves, an axial stop is protrudingly provided on the wall surface of each axial groove;

An assembly is assembled on the two side plates, and has two combined ends respectively arranged with the two fastening grooves, a second fastening surface facing the first fastening surface, and a second fastening surface facing the second fastening surface. The second locking convex portion protruding from the locking surface, and a plurality of second locking ribs arranged on both sides of the second locking convex portion and arranged at intervals, each of the combined ends has two locking and positioning The limit blocks of the two limit grooves, one side of each of the limit blocks is provided with an axis which is locked in position with each of the axis stop blocks; and

A spacer, which is clamped on the connecting plate of the assembly body and the assembly, and has a first end and a second end opposite to the first end. The first end has a plurality of The first engaging groove is concave and convexly locked with the plurality of first locking ribs, and the second end portion has a plurality of second engaging grooves that are concave and convexly locked with the plurality of second locking ribs.

Preferably, the first assembling groove and the second assembling groove have a circular groove structure, the pivot ring is located at the center of the first assembling groove, and the second positioning convex ring is located at the The second group is connected to the center of the groove.

Preferably, the assembly body is a hollow body with both ends in the shape of arcs, and both ends of the assembly body are respectively provided with a first port and a second port which are open, and the first assembly concave The groove is arranged on the outer surface of the first port, and the second assembling groove is arranged on the inner surface of the second port.

Preferably, the front end of one of the assembling bodies can be assembled with the rear end of the other assembling body so that the first rib abuts against one side of the second rib, and the pivot ring abuts against the The inner ring surface of the second positioning convex ring.

Preferably, the first positioning block has a convex V-shaped surface, and the second positioning block has a concave V-shaped surface facing the convex V-shaped surface

Thereby, the present invention proposes a chain piece structure for a cable protection tube, which is mainly composed of the assembly body, the assembly, and the spacer. The feature is that when a plurality of the chain pieces are installed together, it can ensure The stability after assembling avoids the adverse effect of the upward and downward tilting action on the pivoting action, and also allows the majority of the chain pieces to achieve the purpose and effect of simplicity and speed during installation.

In addition, the two side plates and the connecting plate are formed integrally, which eliminates the need for too many parts. Therefore, the assembly process can be reduced and the overall strength can be enhanced. Compared with the conventional technology, the structure is stronger and will not be deformed. And the problem of broken joints.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following examples are given. And with the attached drawings, the detailed description is as follows.

The foregoing and other technical content, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiment with reference to the drawings.

Please refer to Figs. 2 to 8, an embodiment of the present invention provides a chain piece structure of a cable protection tube, which is mainly composed of a set of connecting bodies 20, an assembly 30, and a spacer 40, wherein:

The assembling body 20 is a hollow body with two arcs at both ends, and has two opposite side plates 21 and a connecting plate 22 integrally connected between the two side plates 21, each side plate 21 having an outer surface 23. An inner surface 24 opposite to the outer surface 23, and a buckle groove portion 25 provided on one side. The outer surface 23 of each side plate 21 is provided with a first assembly groove 231 having a circular groove structure, and a A pivot ring 232 in the first assembly groove 231, a first positioning convex ring 233 arranged in the first assembly groove 231 and surrounding the pivot ring 232, and a recessed ring 233 in the first assembly The positioning concave section 234 on the outer edge of the connecting groove 231, and the pivoting ring 232 is located at the center of the first assembling groove 231, and the first positioning convex ring 233 is provided with a plurality of extending toward the pivoting ring 232 The first rib 2331 and a first chamfer 2332 located between the two first ribs 2331 and located at the outer edge. The first chamfer 2332 can make it easy to assemble a plurality of chain pieces when they are assembled. In addition to the feature of not being scratched, the inner surface 24 of each side plate 21 is provided with a second assembly groove 241 with a circular groove structure, a barb block 242 formed in the second assembly groove 241, A second chamfer 243 provided by the second assembling groove 241, a positioning groove 244 recessed in the second assembling groove 241, and a second positioning convex ring 245 provided in the positioning groove 244, The second chamfer 243 makes it possible to assemble a plurality of links while being easy to assemble without being scratched. The second positioning convex ring 245 is located at the center of the second assembly groove 241 , And provided with a plurality of second ribs 2451 extending to the groove wall surface of the positioning groove 244, each connecting plate 22 has a first clamping surface 221, a first clamping surface 221 protruding from the The locking portion 222 and a plurality of first locking ribs 223 arranged on both sides of the first locking portion 222 and arranged at intervals, the locking groove portion 25 has two limiting grooves 251 arranged in parallel, two opposite and opposite The axial groove 252 connected with the two limiting grooves 251, and the two opposite first positioning blocks 253 and the second positioning block 254 located between the two limiting grooves 251, the first positioning block 253 has a convex V The second positioning block 254 has a concave V-shaped surface 2541 facing the convex V-shaped surface 2531. The design of the V-shaped structure allows users to use a flat-head screwdriver (not shown) to lift When the assembly 30 is opened, the V-shaped structure will not be inserted, which can avoid the problem that the assembly 30 cannot be lifted (as shown in FIG. 4). Each axis groove 252 has an axis protruding on the wall surface The stopper 2521, through the configuration of the axial stopper 2521, can achieve the effect of fixing the position; in this embodiment, the two ends of the assembly body 20 are respectively provided with an open first port 26 and a second For the port 27, the first connecting groove 231 is disposed on the outer surface 23 of the first port 26, and the second connecting groove 241 is disposed on the inner surface 24 of the second port 27.

2 to 3, there are three first ribs 2331, each of the first ribs 2331 is arranged at an equal angle and 120 degrees apart; the second ribs 2451 are also three, each The second ribs 2451 are arranged at equal angles and separated by 120 degrees.

2 to 3, the first positioning convex ring 233 has a circular first convex frame 2333 for connecting the plurality of first convex ribs 2331, the first convex frame 2333 has a guide The function of positive sliding-in will not cause jamming when a large number of links are assembled, thereby achieving the advantages of easy assembly, accelerated assembly speed, and avoidance of errors.

Referring back to FIGS. 2 to 3, the two side plates 21 and the connecting plate 22 are formed integrally, so that too many parts are not needed, so the assembly process can be reduced and the overall strength can be enhanced. Compared with the conventional technology, The structure is stronger, and there will be no problems of deformation and fracture of the assembly.

The assembly 30 is elongated, assembled on the two side plates 21, and has two assembly ends 31 respectively assembled with the two fastening grooves 25, and a second end facing the first clamping surface 221 The clamping surface 32, a second clamping protrusion 33 protruding from the second clamping surface 32, and a plurality of second clamping protrusions arranged on both sides of the second clamping protrusion 33 and arranged at intervals Ribs 34, each of the combined end portions 31 has two limit blocks 311 for engaging and positioning the two limit grooves 251, and one side of each of the limit blocks 311 is provided with a shaft that is locked in position with each of the axis stop blocks 2521 Heart 312; In this embodiment, since the chain piece structure of the cable protection tube is an open-type cable protection tube chain piece, the assembly 30 is a cross bar, but it is not limited by this, and it can also be The chain piece of the enclosed cable protective tube, the assembly 30 is a protective cover (as shown in FIG. 9).

2 to 3 again, each combined end portion 31 also has an extension section 35. Through the design of the extension section 35, when a plurality of chain pieces are installed, the extension section 35 will extend to the next chain piece , It can make the chain piece not easy to fall off when the load is loaded.

The spacer 40 is in an I shape, is clamped on the connecting plate 22 of the assembly body 20 and the assembly 30, and has a first end 41 and a second end opposite to the first end 41 42. The first end 41 has a plurality of first engaging grooves 411 that are recessed and convexly locked with the plurality of first locking ribs 223, and the second end 42 has a plurality of and the plurality of second locking grooves. The second engaging groove 421 of the rib 34 is concave and convex; thereby, the concave and convex locking of the plurality of first locking ribs 223 and the plurality of first locking grooves 411, and the plurality of second locking ribs 34 The configuration of the concave-convex engagement with the plurality of second engagement grooves 421 can achieve the effect of reliable positioning. (As shown in Figure 5 to Figure 6)

Please refer to Figure 7 to Figure 8, which shows the schematic diagram of the use of two sets of links. The cable protection tube is formed by joining a plurality of links. In this embodiment, only two links are used to show the state of the joints of the plurality of links. It can be seen from the figure that one of the sets of links 20A The outer surface 23A can be assembled with the inner surface 24B of the other assembly body 20B so that the first rib 2331 abuts against one side of the second rib 2451, and the pivot ring 232 abuts against the second positioning ring The inner ring surface of 245 can improve the stability of the combination, reduce the situation of up and down tilting, and also allow most of the chains to achieve the purpose and effect of simplicity and speed during installation.

In addition, the above-mentioned embodiment uses the chain piece of the open-type cable protection tube for illustration. Please refer to Figures 2 and 9 to FIG. 10. The chain piece structure of the cable protection tube of this embodiment can also be closed The chain piece of the cable protective tube makes the assembly 30 a protective cover, which can also achieve the same effect as the above.

The above is the configuration description of the main components of the embodiment of the present invention. As for the use mode and effect of the present invention, the following description is given.

As a result, the present invention can improve the stability of the combination, reduce the situation of up and down tilting, and also allow the majority of the chain pieces to achieve the purpose and effect of simplicity and speed during installation.

In addition, the two side plates 21 and the connecting plate 22 are formed integrally, which eliminates the need for too many parts. Therefore, the assembly process can be reduced, the overall strength can be increased, the number of parts can be simplified, and the manufacturing and assembly costs can be effectively reduced. Simplification of the manufacturing process can effectively reduce manufacturing costs to facilitate the improvement of industrial technology level and competitiveness.

In summary, the above-mentioned embodiments and drawings are only preferred embodiments of the present invention. When they cannot be used to limit the scope of implementation of the present invention, all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention shall be applied. It belongs to the scope of the invention patent.

﹝Xizhi﹞ 10: chain piece 11: side panel 12: connecting plate ﹝this invention﹞ 20, 20A, 20B: assembly body 21: side panel 22: connecting plate 221: The first card system surface 222: First Card System Department 223: first card rib 23, 23A: outside 231: The first group of grooves 232: pivot ring 233br/>First positioning convex ring 2331: first rib 2332: first chamfer 2333: The first cabochon 234: Positioning concave segment 24, 24B: inside 241: The second group of grooves 242: Barb Block 243: second chamfer 244: positioning slot 245: second positioning convex ring 2451: second rib 25: Buckle groove 251: Limit groove 252: Axial groove 2521: Axle stop 253: The first positioning block 2531: Convex V-shaped surface 254: second positioning block 2541: concave V-shaped surface 26: First port 27: second port 30: Assembly 31: Combination end 311: Limit block 312: Axis 32: The second card system surface 33: The second card convex part 34: second card rib 35: Extension 40: Spacer 41: first end 411: first engagement slot 42: second end 421: second engagement slot

Figure 1 is the structure diagram of the chain piece of the conventional cable protection tube Figure 2 is a structural diagram of an embodiment of the present invention. Figure 3 is an exploded view of an embodiment of the present invention. Figure 4 is a partial enlarged view of an embodiment of the present invention. Figure 5 is a cross-sectional perspective view of an embodiment of the present invention. Fig. 6 is a structural diagram of a spacer according to an embodiment of the present invention. Fig. 7 is a schematic diagram of the use of the embodiment of the present invention, showing that two chain pieces are installed on each other. Fig. 8 is a cross-sectional view of the embodiment of Fig. 7. Fig. 9 is a structural diagram of another embodiment of the present invention, showing a closed link structure. Figure 10 is a structural diagram of the assembly of the embodiment of Figure 9;

20: Assembled body

21: side panel

22: connecting plate

221: The first card system surface

222: First Card System Department

223: first card rib

23: outside

231: The first group of grooves

232: pivot ring

233: first positioning convex ring

2331: first rib

2332: first chamfer

2333: The first cabochon

234: Positioning concave segment

24: Inside

241: The second group of grooves

242: Barb Block

243: second chamfer

244: positioning slot

245: Second positioning convex ring

2451: second rib

25: Buckle groove

251: Limit groove

252: Axial groove

253: The first positioning block

2531: Convex V-shaped surface

254: second positioning block

2541: concave V-shaped surface

26: First port

27: second port

30: Assembly

31: Combination Department

311: Limit block

312: Axis

32: The second card system surface

35: Extension

40: Spacer

41: first end

42: second end

Claims (5)

A chain piece structure of a cable protection tube, including: A set of connecting body has two oppositely arranged side plates and a connecting plate integrally connected between the two side plates, each side plate has an outer surface, an inner surface opposite to the outer surface, and a connecting plate arranged on one side The buckle groove portion of each side plate is provided with a first assembly groove, a pivot ring arranged in the first assembly groove, and a pivot ring arranged in the first assembly groove and surrounding the pivot The first positioning convex ring of the ring and a positioning concave section recessed on the outer edge of the first assembly groove, the first positioning convex ring is provided with a plurality of first convex ribs extending toward the pivoting ring, And a first chamfer located between the two first ribs and at the outer edge, the inner surface of each side plate is provided with a second assembly groove, and a barb hook formed in the second assembly groove Block, a second chamfer set by the second assembly groove, a positioning groove recessed in the second assembly groove, and a second positioning convex ring set in the positioning groove, the second positioning The convex ring is provided with a plurality of second ribs extending to the groove wall surface of the positioning groove, and each connecting plate has a first clamping surface, a first clamping portion protruding from the first clamping surface, and a plurality of Two first locking ribs arranged on both sides of the first locking part and arranged at intervals, the locking groove part has two limiting grooves, two axial grooves opposite and communicating with the two limiting grooves, and two Opposite to the first positioning block and the second positioning block located between the two limiting grooves, an axial stop is protrudingly provided on the wall surface of each axial groove; An assembly is assembled on the two side plates, and has two combined ends respectively arranged with the two fastening grooves, a second fastening surface facing the first fastening surface, and a second fastening surface facing the second fastening surface. The second locking convex portion protruding from the locking surface, and a plurality of second locking ribs arranged on both sides of the second locking convex portion and arranged at intervals, each of the combined ends has two locking and positioning The limit blocks of the two limit grooves, one side of each of the limit blocks is provided with an axis which is locked in position with each of the axis stop blocks; and A spacer, which is clamped on the connecting plate of the assembly body and the assembly, and has a first end and a second end opposite to the first end. The first end has a plurality of The first engaging groove is concave and convexly locked with the plurality of first locking ribs, and the second end portion has a plurality of second engaging grooves that are concave and convexly locked with the plurality of second locking ribs. The chain piece structure of the cable protection tube according to claim 1, wherein the first assembling groove and the second assembling groove are round groove structures, and the pivot ring is located in the first assembling groove The second positioning convex ring is located at the center of the second assembly groove. The chain piece structure of the cable protection tube according to claim 1, wherein the assembly body is a hollow body with two arcs at both ends, and both ends of the assembly body are respectively provided with an open first port, And a second port, the first connecting groove is arranged on the outer surface of the first port, and the second connecting groove is arranged on the inner surface of the second port. In the chain piece structure of the cable protection tube according to claim 1, the front end of one assembly body can be assembled with the rear end of the other assembly body so that the first rib abuts against the second protrusion On one side of the rib, the pivot ring abuts against the inner ring surface of the second positioning convex ring. The chain piece structure of the cable protection tube according to claim 1, wherein the first positioning block has a convex V-shaped surface, and the second positioning block has a concave V-shaped surface facing the convex V-shaped surface.

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