JP4704193B2 - Flexible cable duct - Google Patents

Description

  The present invention forms a gripping cylinder having a central connecting portion and a gripping portion for storing and gripping a cable by assembling two gripping members, and connecting the connecting portions of the gripping cylinders to each other. The present invention relates to a flexible cable duct in which gripping tubes are flexibly connected in series.

  A conventional flexible cable duct in which a guide cylinder corresponding to two gripping members is assembled to form a gripping cylinder (guide body), and a plurality of gripping cylinders are flexibly connected in series by a connecting member (connecting piece member). The connecting member is constituted by a member different from the gripping cylinder, and when the two gripping members are assembled, the connecting member is previously incorporated between the two gripping members to form the gripping cylinder and at the same time the connecting member is removed from the gripping cylinder. It was held so that it was not missing. (For example, refer to Patent Document 1).

Japanese Patent No. 3330331 (paragraphs 0009, 0012, FIGS. 2 and 4)

  However, in Patent Document 1, since the connecting member is formed of a member different from the gripping cylinder, the connecting member is gripped when the two gripping members are assembled in order to attach and hold the connecting member to the gripping cylinder. In particular, when the gripping cylinders are continuously provided, it is necessary to incorporate two connecting members in the upper and lower sides at the same time, and the continuous operation of the gripping cylinders is troublesome and troublesome.

  The present invention has been made paying attention to such a problem, and a flexible cable duct capable of easily constructing a cable duct without simultaneously assembling two gripping members and connecting the gripping cylinders is provided. The purpose is to provide.

In order to solve the above-mentioned problem, the flexible cable duct according to claim 1 of the present invention has a central connecting portion and left and right gripping portions for storing and gripping the cable by assembling two gripping members. In the flexible cable duct in which the gripping tube is formed, the connecting portions of the gripping tubes are connected to each other, and a plurality of gripping tubes are flexibly connected in series, the connecting portion has a space portion at the center. A base that has a base, and a connecting shaft that has an engaging claw at the upper end that protrudes integrally from the upper surface of the base, and an engaging claw of an adjacent gripping cylinder disposed below can be engaged. The engaging claw of the connecting shaft portion of the adjacent gripping cylinder disposed below can be inserted from the engaging hole and can move vertically in the space portion of the base of the upper gripping cylinder. is a pair of flexible pieces that can be bent in the lateral direction so that the connecting shaft portion than the engagement hole Diameter is characterized by being molded equivalent to or slightly smaller.
According to this feature, by connecting the two gripping members, a connecting shaft portion having an engaging claw protruding upward from the base portion of the connecting portion is formed. In addition, it is only necessary to connect the gripping cylinders to the mating engagement holes, and the flexible cable duct can be easily constructed. Further, since the engaging claws can move in the vertical direction in the space portion of the base of the adjacent gripping cylinder, the total length of the connected gripping cylinders, that is, the cable duct length, is within the sliding range of each engaging claws. It can be adjusted freely. Furthermore, since the engaging claw is composed of a pair of flexible pieces that can be bent in the left-right direction, the gripping cylinder is easily bent only in the left-right direction, and the shape retention of the cable duct is good.

A flexible cable duct according to a second aspect of the present invention is the flexible cable duct according to the first aspect , wherein the engaging claw of the uppermost holding cylinder of the cable duct is attached to the fixing member. The engagement hole of the lowermost gripping cylinder is engaged with an engagement claw provided in the base body.
According to this feature, the cable duct can be engaged with the fixture and the base body using the engagement claw of the uppermost gripping cylinder and the engagement hole of the lowermost gripping cylinder. It can be held stably.

  Examples of the present invention will be described below.

  FIG. 1 is a perspective view showing an example of use of a flexible cable duct in an embodiment of the present invention, and FIG. 2 is a perspective view showing an overall image of a flexible cable duct and a fixture and a base body. 3 is an exploded perspective view of the gripping cylinder constituting the flexible cable duct, and FIG. 4A is a cross-sectional view taken along line AA in FIG. 3 before the two gripping members constituting the gripping cylinder are attached. 4B is a cross-sectional view showing a state where two gripping members have been attached, and FIG. 5A is a perspective view of the gripping cylinder looking down from above. 5 (b) is a perspective view of the gripping cylinder as viewed from the bottom, and FIG. 6 (a) is a cross-sectional view illustrating a process of connecting the other gripping cylinder to one gripping cylinder. b) is a cross-sectional view showing the movement of the connected gripping cylinders in the left-right direction. FIG. 7 is an exploded view of the base body. FIG. 8 is a perspective view showing a process of connecting the gripping cylinder to the base body, FIG. 9A is an exploded perspective view of the fixture, and FIG. FIG. 9C is a perspective view showing the process of attaching the gripping cylinder to the fixture, and FIG. 10 is a perspective view showing the flexible cable duct and the top board. It is a perspective view which shows the state mounted between floor surfaces.

  As shown in FIG. 1, a flexible cable duct (hereinafter, cable duct 10) according to the present invention is provided on a table 1 in which corners of a top plate 2 are supported on columns 3, for example. It is mounted between the lower surface 2b and the floor surface 6. Various cables 9 and 9 such as a power feeding cable and a communication cable are inserted vertically into the cable duct 10 from the floor surface 6 side toward the lower surface 2b, and one end of the cables 9 and 9 is inserted into the upper surface 2a of the top plate 2. It is connected to outlets 5 and 5 provided in advance. Therefore, when installing the electrical devices 4 and 4 such as personal computers on the upper surface 2a, the cables 4a and 4a such as power cords with plugs and LAN cables connected to the electrical devices 4 and 4 are connected to the outlets. 5 and 5 can be inserted and used.

  As shown in FIG. 2, the cable duct 10 includes a plurality of gripping cylinders 11, 11... That are connected in series, and can be flexed as will be described later. A box-shaped fixture 30 that supports the cable duct 10 is attached to the upper part of the cable duct 10, a base body 40 is installed on the floor surface 6, and a lower part of the cable duct 10 is connected via a connecting member 42. It can be attached to.

  As shown in FIG. 3, the gripping cylinder 11 is molded by combining a pair of split gripping members 12 and 13. Since the two gripping members 12 and 13 constituting the gripping cylinder 11 have similar shapes, the same portions are denoted by the same reference numerals, and the portions different in shape from the gripping member 12 are gripped. The member 13 will be described below with a new reference numeral.

  First, as a common part of the gripping member 12 constituting one side of the gripping cylinder 11 and the gripping member 13 constituting the other side, both gripping members 12 and 13 include a connecting half 14A located in the center, It comprises a pair of left and right grip pieces 24, 25 extending from both side walls 18, 18 of the base half 15A that forms the core of the connecting half 14A. The connecting half 14A is formed of a hard material such as a hard plastic material. The connecting half body 14A is integrally protruded upward and downward from the upper surface 16 of the base half body 15A with a vertically extending rectangular base half body 15A having a gap portion 15c in the center, and is horizontally extended at the upper end. A connecting shaft portion 20 having an engaging claw 21 composed of a pair of flexible pieces 21a, 21a that can be bent, and a notch groove 17b that is formed through the lower surface 17 of the base half body 15A in the vertical direction are formed. ing.

  The gripping pieces 24 and 25 have a pair of hard gripping pieces 26 molded from a hard material of the same material as that of the connection half 14A from one end side of both side walls 18 and 18 of the base half 15A toward the left and right. 26 are slightly curved and extended inwardly in a top view. Soft grip pieces 27, 27 made of a soft material such as a soft plastic material are integrally formed on the free end portions 26a, 26a of the hard grip pieces 26, 26 by a two-color molding method. , 27 extend in a direction facing each other when the gripping members 12, 13 are integrated.

  Next, as the different parts of the gripping member 12 and the gripping member 13, there are partially different asymmetrical portions in both the connecting halves 14 </ b> A and 14 </ b> A, and the pin that fits the connecting shaft portion 20 of the gripping member 12 to the other gripping member 13 side. A pin hole 20b into which the pin 20a can be fitted is recessed in the connecting shaft portion 20 of the gripping member 13, and the pin 20a can be fitted into the pin hole 20b. A pair of left and right recesses 19a, 19a is formed at a substantially vertical center position of the opening end surface 19 of the base half 15A of the gripping member 12, and the recesses 19a, 19a are formed at the same position of the opening end surface 19 of the gripping member 13. A pair of left and right convex portions 19b, 19b are provided so that the convex portion 19b can be fitted into the concave portion 19a.

  Further, the pair of locking pieces 18 a and 18 a protrude from the side walls 18 and 18 of the base half 15 </ b> A of the gripping member 12 in the vertical direction so as to face the gripping member 13 from the opening end surface 19. A locking claw 18b is provided at each of the tip portions so as to protrude from the side wall 18 in the left-right direction. The left and right side walls 18 and 18 of the gripping member 13 are formed with a pair of locking holes 18c and 18c penetrating left and right at positions spaced apart by a predetermined distance vertically, and the locking claws 18b are locked to the locking holes 18c. It is possible.

  Next, the process of assembling the gripping cylinder 11 will be described with reference to FIGS. As shown in FIG. 4A, the pin 20a and the left and right recesses 19a and 19a at the center of one gripping member 12, the pin hole 20b and the left and right protrusions 19b at the center of the other gripping member 13, After facing each other at a position close to 19b, the gripping member 12 is moved in the direction indicated by the arrow, so that the pin 20a is fitted into the pin hole 20b as shown in FIG. 4B. In addition, the locking claws 18b and 18b are locked in the locking holes 18c and 18c by being guided by the inner surfaces of the side walls 18 and 18 of the gripping member 13 facing the locking pieces 18a, and further, in the recesses 19a and 19a. The protrusions 19b and 19b are fitted, the base halves 15A and 15A of the gripping members 12 and 13 are connected to each other to form the base 15, and the pair of linking halves 14A and 14A are also integrated to form the connecting portion 14. Is configured.

  When the gripping members 12 and 13 are connected, the gap portions 15c and 15c formed in the base half halves 15A and 15A are connected to form a space portion 15a surrounded by one periphery, and the gripping member 12 is enclosed. , 13 end portions 27a, 27a of the soft gripping pieces 27, 27 facing each other are close to each other, and the side walls 18, 18 of the base portion 14 and the hard gripping pieces 26, 26 are located at the left and right positions of the connecting portion 14. In addition, the gripping portions 24 and 25 including the soft gripping pieces 27 and 27 form a grip portion 23 having two cable storage spaces 28 and 29, and the cable 9 is stored in the cable storage spaces 28 and 29. A pair of notch grooves 17b are combined to form one engagement hole 17a.

  Thus, as the pin 20a is fitted into the pin hole 20b, as shown in FIG. 5A, the connecting shaft portion 20 is connected to one, and FIGS. ), The convex portions 19b and 19b are fitted into the concave portions 19a and 19a, and the locking claws 18b and 18b are locked in the locking holes 18c and 18c, so that the gripping portions 12 and 13 are The gripping cylinder 11 having a firm connection structure is formed by reliably uniting.

  The assembly of the cable duct 10 (see FIG. 2) using a plurality of gripping cylinders 11 will be described below with reference to FIGS.

  First, as shown in FIG. 6, the cable ducts 10, 10 ′ are configured by connecting a plurality of gripping cylinders 11 in series. Specifically, as shown in FIG. 6A, The engaging claw 21 of the connecting shaft portion 20 of the adjacent new gripping cylinder 11 is inserted from the engaging hole 17a formed in the lower end of the base portion 15 of the gripping cylinder 11 into the space 15a. At the time of this insertion, the left and right flexible pieces 21a and 21a constituting the engaging claw 21 are formed so that the left and right widths are wider than the engaging holes 17a. The outer side surface is bent in the center while being slidably contacted with the inner peripheral surface of the engagement hole 17a, and is inserted into the space 15a.

  Then, as shown in FIG. 6 (b), the flexible pieces 21a and 21a are released from bending after being inserted, and the flexible pieces 21a and 21a return to the left and right directions again. The new gripping piece 11 is suspended and connected to the engaging hole 17a and held in the space 15a. Further, since the connecting shaft portion 20 is formed to have the same or slightly smaller width diameter than the engaging hole 17a, it can slide up and down in the space portion 15a. Accordingly, the engaging claw 21 of the connecting shaft portion 20 of the new gripping cylinder 11 disposed below can move up and down in the space 15a of the base portion 15 of the adjacent gripping cylinder 11 above, The total length of the plurality of gripping cylinders 11 connected, that is, the length of the cable duct 10 can be freely adjusted within the sliding range of each engagement claw 21. In order to remove the new gripping cylinder 11 from the gripping cylinder 11, the removal can be easily performed in the reverse process of the fitting claw 21 attachment. In this way, the cable duct 10 having a desired length can be assembled by connecting a plurality of new gripping cylinders 11 in series.

  Further, as shown in the figure, the engaging claw 21 is composed of a pair of flexible pieces 21a, 21a that can be bent in the left-right direction. They move relative to each other in the left-right direction by the engaging claws 21, and the cable duct 10 can be made flexible. Thus, since the gripping cylinders 11 have a flexible connection structure that allows the gripping cylinders 11 to be freely fitted and removed, a cord-like body that connects the gripping cylinders 11 and 11 is not required separately, and the flexible cable 9 (see FIG. 2). The number of gripping cylinders 11 can be easily adjusted according to the desired length.

  Next, the base body 40 (see FIG. 2) attached to the lower part of the cable duct 10 and its accessories will be described. As shown in FIG. 7, the base body 40 has a circular shape when viewed from above and a C-shape at the center as viewed from above, and a wiring groove 40a partially cut outward is formed. The cable 9 can be wired inside. An anti-slip material 43 having a C-shape in a top view for preventing slipping with the floor surface 6 is screwed to the lower end surface of the base body 40 via a plurality of screws 44. An attachment hole 41 penetrating vertically is formed at the center position of the base body 40 so that the connecting member 42 can be attached.

  The upper part of the connecting member 42 has the same configuration as the connecting shaft part 20 of the gripping cylinder 11 described above, and has an engaging claw 42a at the upper end, and a fitting part 42b that can be fitted into the mounting hole 41 at the lower part. The coupling member 42 is integrally provided on the base body 40 by fitting the fitting portion 42 b into the mounting hole 41. Therefore, as shown in FIG. 8, the gripping cylinder positioned at the lowermost end of the cable duct 10 has an engaging claw 42 a of a connecting member 42 that protrudes above the base body 40 placed on the floor surface 6. 11 is engaged with the aforementioned engagement hole (not shown) formed in the lower portion of the connecting portion 14, so that the engaging claw 42 a is reliably fitted into the aforementioned space portion (not shown) in the connecting portion 14. Connected to In addition, the grip cylinder 11 adjacent on the base body 40 is configured to be swingable in the left-right direction by the engaging claw 42a.

  Next, the fixture 30 (refer FIG. 2) attached to the upper part of the cable duct 10 is demonstrated. As shown in FIG. 9A, the fixture 30 is composed of two members, a box body 32 having an opening 32a on the upper side and a lid body 31 for closing the opening 32a of the box body 32. A rectangular engagement hole 32 b is formed on the lower surface of the box 32, and has substantially the same shape as the engagement hole 17 a that can engage the engagement claw 21 of the gripping cylinder 11 described above. On the side wall of the box body 32, lateral locking holes 33c and 33c are formed on the opposite left and right surfaces, respectively.

  A through-hole 31a for a bolt penetrating vertically in the center is formed in the lid 31. A pair of locking pieces 31b and 31b extend downward from the left and right side edges of the lid 31, and each locking piece Locking claws 31c and 31c project outwardly from 31b and 31b, respectively. Therefore, the locking pieces 31b and 31b are fitted into the inside of the box body 32 through the opening 32a, whereby the locking claws 31c and 31c are locked in the locking holes 33c and 33c, and the lid body 31 is fixed to the box body 32. Is done.

  As shown in FIG. 9 (b), as a pre-process for attaching the cable duct 10 to the fixture 30, the through hole 31 a of the lid 31 is moved up and down in the bolt hole 2 c formed in the lower surface 2 b of the top plate 2 in advance. After the overlapping, the bolt 33 is screwed into the bolt hole 2c from the engagement hole 32b of the box 32 through the through hole 31a with a tool such as a driver 34, so that the fixture is attached to the top plate 2 as a fixing member. 30 is fixed. Then, as shown in FIG. 9C, an engagement claw 21 of the connecting shaft portion 20 provided so as to protrude above the grip cylinder 11 at the uppermost position of the cable duct 10 is formed on the lower surface of the fixture 30. Further, by engaging with the aforementioned engagement hole 32b, the engagement claw 21 is fitted into the box body 32 and the gripping cylinder 11 is reliably connected to the fixture 30 and suspended.

  Then, as shown in FIG. 10, the upper part of the cable duct 10 is attached to the lower surface 2b of the top plate 2 via the fixture 30, and the lower part is grounded to the floor surface 6 via the base body 40. The cable storage spaces 28 and 29 of the gripping cylinders 11 that are flexibly connected in series are similarly connected in series, and the cables are connected from the lower surface 2b of the top plate 2 to the floor surface. A space capable of wiring toward 6 is secured.

  As described above, the cable duct 10 is engaged with the fixture 30 and the base body 40 by using the engagement claw of the engagement shaft portion 20 of the uppermost gripping cylinder 11 and the engagement hole of the lowermost gripping cylinder 11. Since they can be combined, the cable duct 10 is stably held. Therefore, in each cable storage space 28, 29 formed on the left and right of the connecting portion 14 of each gripping cylinder 11, 11, 11,... Flexibly connected in series, as shown in FIG. By inserting 9, 9, the cables 9, 9 can be wired from the outlets 5, 5 of the top plate 2 to the floor surface 6. The cables 9 and 9 are protected from the outside by a pair of grip portions 23 and 23 that form the cable storage spaces 28 and 29.

  According to the above description, in the embodiment, it is not necessary to separately prepare and attach a new connecting member in the two gripping members 12 and 13, and when the two gripping members 12 and 13 are assembled, the base 15 of the connecting portion 14 is removed. Since the connecting shaft portion 20 having the engaging claw 21 integrally protruding upward is configured, the adjacent gripping cylinders 11, 11 are connected to each other by engaging the engaging claw 21 with the mating engagement hole 17. Simply by engaging, the flexible cable duct 10 can be easily constructed.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. In the above embodiment, the engaging claw 21 of the connecting shaft portion 20 is constituted by a pair of flexible pieces 21a, 21a that can be bent in the left-right direction, so that the flexible pieces 21a, 21a are elastic in the left-right direction. This is preferable because it is possible to repeatedly attach and detach the adjacent gripping cylinders 11 and 11 using force (bending), but the present invention is not limited to this. For example, the shape of the engaging claw 21 is a spherical shape. A retaining tongue piece may be provided on the engagement hole side to connect adjacent gripping cylinders 11, 11 to each other.

It is a perspective view which shows the usage example of the flexible cable duct in the Example of this invention. It is a perspective view which shows the whole image of a flexible cable duct, a fixture, and a base body. It is a disassembled assembly perspective view of the grip cylinder which comprises a flexible cable duct. (A) is sectional drawing of the AA line and BB line of FIG. 3 which shows before attachment of the two holding members which a holding cylinder comprises, (b) is the attachment completion state of two holding members FIG. (A) is the perspective view which looked down at the holding cylinder from the upper part, (b) is the perspective view which looked up at the holding cylinder from the bottom part. (A) is sectional drawing which shows the process in which the other holding | grip is connected with one holding cylinder, (b) is sectional drawing which shows the motion to the left-right direction of the connected holding cylinder. It is a disassembled assembly perspective view of a base body. FIG. 5 is a perspective view showing a process of connecting the gripping cylinder to the base body. (A) is a disassembled perspective view of the fixture, (b) is an explanatory view showing a process of attaching the fixture to the top plate, and (c) shows a process of attaching the gripping cylinder to the fixture. It is a perspective view. It is a perspective view which shows the state by which the flexible cable duct was mounted between the top plate and the floor surface.

Explanation of symbols

1 Table 2 Top plate (fixing member)
2a Upper surface 2b Lower surface 2c Bolt hole 3 Post 4 Electric equipment 4a such as personal computer Cable 5 Outlet 6 Floor 9 Cable 10 Cable duct (flexible cable duct)
11 Grasping cylinders 12, 13 Grasping member 14 Linking portion 14A Linking half 15 Base 15A Base half 15a Space 15c Space 16 Upper surface 17 Lower surface 17a Engagement hole 17b Notch groove 18 Side wall 18a Locking piece 18b Locking claw 18c Locking hole 19 Open end surface 19a Concave portion 19b Convex portion 20 Connecting shaft portion 20a Pin 20b Pin hole 21 Engaging claw 21a Flexible piece 23 Grip portion 24, 25 Grip piece 26 Hard grip piece 26a Free end portion 27 Soft grip piece 27a Tip Portions 28 and 29 Cable storage space 30 Mounting tool 31 Lid 31a Through hole 31b Locking piece 31c Locking claw 32 Box 32a Opening 32b Locking hole 33c Locking hole 33 Bolt 34 Driver 40 Base body 40a Wiring groove 41 Mounting hole 42 connecting member 42a engaging claw 42b fitting portion 43 anti-slip material 44 screw

Claims (2)

By assembling two gripping members, a gripping cylinder having a central coupling part and left and right gripping parts for storing and gripping a cable is formed, and a plurality of gripping cylinders are connected by connecting the coupling parts of the gripping cylinders. In the flexible cable duct in which the flexible cable ducts are connected in series, the connecting portion projects integrally from a base portion having a space portion at the center and upward from the upper surface of the base portion. Engagement of the connecting shaft portion of the adjacent gripping cylinder disposed below, comprising a connecting shaft portion having a pawl and an engagement hole with which an engaging claw of the adjacent gripping tube disposed below can be engaged The claw is composed of a pair of flexible pieces that can be inserted in the engagement hole and bent in the left-right direction so as to be movable in the vertical direction in the space of the base of the upper gripping cylinder. Flexible cable dab characterized in that the width diameter is equal to or slightly smaller than the joint hole Door. The engagement claw of the uppermost grip cylinder of the cable duct is engaged with a fixture attached to the fixing member, and the engagement hole of the lowermost grip cylinder is engaged with an engagement claw provided in the base body. 2. The flexible cable duct according to 1.

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