JP4733620B2 - Optical cable fixing structure - Google Patents

Description

  The present invention relates to a fixing structure of an optical cable used for communication equipment or the like.

  For example, Patent Literature 1 describes a cable fixing structure that facilitates an optical cable wiring connection operation. 8A and 8B are diagrams showing a conventional optical cable fixing structure, in which FIG. 8A is a perspective view showing a state before fixing, and FIG. 8B is a perspective view showing a state after fixing.

  Conventionally, as an optical cable fixing structure, as shown in FIG. 8A, an optical cable 101 is previously held by a holding portion 104 and the holding portion 104 is fixed to a main body portion 103 fixed to a housing 102. May be performed.

  The grip portion 104 is composed of two members (141, 142) that are fitted together while gripping the optical cable 101. And as shown to Fig.8 (a), this holding | grip part 104 is formed in the width | variety of the front end surface 143 narrower than the width | variety of the rear-end surface 144, and is formed in substantially trapezoid by planar view. Furthermore, a corrugated engagement portion 145 is formed on the rear end surface side of the side surface of the grip portion 104 (member 141).

  On the other hand, the main body 103 is a member in which a recess 130 for inserting the grip portion 104 is formed, and is formed in a corrugated shape on the inner wall surface of the recess 130 so as to mesh with the engagement portion 145 of the grip portion 104. The receiving part 131 is formed. The recess 130 is formed such that the width of the insertion port 132 is equal to the width of the rear end surface 144 of the grip portion 104, and the width is gradually narrowed as it goes forward, like the shape of the grip portion 104.

  The grip 104 is fixed to the main body 103 by inserting the grip 104 into the insertion port 132 of the main body 103 from the front end surface 143 and sliding it forward. Thereby, the engaging portion 145 of the grip portion 104 is engaged with the receiving portion 131 of the main body portion 103, and the grip portion 104 is prevented from returning in the reverse direction (see FIG. 8B). Note that the main body 103 is integrally formed with a slip-out prevention member 133, 133 so that the inserted grip 104 is not slipped upward.

JP 2003-348738 A

  However, since the conventional optical cable fixing structure has a configuration in which the grip portion 104 is inserted from the rear of the main body portion 103 and is engaged by sliding, the grip portion 104 before insertion is disposed behind the main body portion 103. It is necessary to secure a sufficient space for the main body portion 103 itself to insert and mesh the grip portion 104. Therefore, it is necessary to make the housing 2 constituting the optical cable fixing structure large.

  In addition, the gripping member 104 is configured so that the main body 103 does not come out in the front-rear direction when the receiving portion 131 and the engaging portion 145 mesh with the shape of the main body 103 that is narrowed toward the front. It is fixed to. Further, since the upward prevention members 133 and 133 prevent upward withdrawal, the fixed optical cable 101 cannot be removed. Therefore, the conventional optical cable fixing structure does not have repairability. For example, when the optical cable 1 is repeatedly attached and detached by rearrangement or the like, it is necessary to configure the optical cable fixing structure each time.

  Furthermore, there is no compatibility with different types of cables such as optical cables with filters that do not require gripping the outer skin, and it is necessary to separately configure a fixing structure for such optical cables.

  An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to propose an optical cable fixing structure that can fix an optical cable in a space-saving manner and can be used repeatedly and has excellent repairability. A compatible optical cable fixing structure that can be used for different types of optical cables is also proposed.

In order to solve the above-described problems, the present invention provides a housing through which an optical cable passes, a guide portion that is formed in the housing and includes a gripping member that grips the optical cable, and the gripping member is moved upward in a direction orthogonal to the optical cable. An optical cable fixing structure comprising: a cover portion that covers the optical cable, wherein the optical cable is inserted into and removed from the grip member in a vertical direction with the housing as a reference plane, and the cover portion includes an optical cable gripped by the grip member. the corresponding point, and a recess for inserting the optical cable is formed, also on the side surface of the cover portion have mounting member for fixing to the housing is formed, further, the gripping members, left and right Is formed so that the entire width in the direction is slightly larger than the inner width in the left-right direction of the cover portion, and is equal to or greater than the width of the optical cable in a stage before the gripping member is covered by the cover portion. The and groove is formed having the gripping member is configured such that the width of the groove to grip the cable in the interpolated state in the cover portion is narrowed.

  According to the optical cable fixing structure of the present invention, since the optical cable can be fixed in a space-saving manner, the housing can be miniaturized and the installation location of the housing is not limited. In addition, since it can be used repeatedly and has excellent repairability, it can be applied to frequent rearrangement, and thus is economical.

  FIG. 1 is a perspective view showing an optical cable fixing structure according to a first embodiment of the present invention. In the description, the top, bottom, front, back, left, and right are unified in the direction shown in FIG.

  As shown in FIG. 1, the optical cable fixing structure of the first embodiment includes a housing 2 through which the optical cable 1 is passed, and a guide portion 4 that is formed in the housing 2 and includes a gripping member 40 that grips the optical cable 1. And a cover portion 3 that covers the gripping member 40.

  The optical cable 1 used in the first embodiment is a general cable composed of an optical fiber core, two tension members, and a sheath that protects them.

  As shown in FIG. 1, the housing 2 includes a floor plate 20 that serves as a base of an optical cable fixing structure. The floor plate 20 is integrally formed with a guide portion 4 (gripping member 40) for gripping the optical cable 1. Further, the floor plate 20 is formed with an engagement hole (engagement portion) 21 for inserting and engaging the claw member (attachment member) 32 of the cover portion 3 at a position having a predetermined interval from the side surface of the guide portion 4. Has been. The engagement hole 21 is formed so that a rectangular hole formed so that the claw member 32 can be inserted and a tool (for example, a flat-blade screwdriver) for releasing the engagement of the claw member 32 can be inserted. Since the notch 22 is integrally formed, the plan view is formed in a substantially convex shape. Note that the shape of the engagement hole 21 is not limited, and may be appropriately formed in a desired shape. Further, the engagement hole 21 is formed as necessary, and can be omitted when the fixing method of the cover portion 3 or the type of the mounting member is different.

  Needless to say, the shape and the like of the housing 2 can be appropriately set according to the purpose of use and the installation location. Moreover, although the material and formation method which comprise the housing | casing 2 are not limited, In 1st Embodiment, it shall comprise with the plastic shape | molded by injection molding.

  FIG. 2 is a perspective view showing the cover unit 3 according to the first embodiment.

  As shown in FIG. 2, the cover portion 3 is mainly configured by a cover main body 30 that is a box-shaped member having an open lower surface so that the gripping member 40 can be inserted. The shape of the cover body 30 is not limited to a box shape, and may be appropriately formed according to the shape of the gripping member 40.

The cover body 30 is formed so that the inner width in the left-right direction is slightly narrower than the entire width of the gripping member 40, and the inner width (length) in the front-rear direction is equal to or greater than the entire length of the gripping member 40. ing.
A recess 31 for inserting the optical cable 1 is formed before and after the cover body 30. As shown in FIG. 2, the shape of the recess 31 is formed in a shape equivalent to the cross-sectional shape of the optical cable 1.

  Further, a claw member (attachment member) 32 for being inserted into and engaged with an engagement hole 21 formed in the floor plate 20 is integrally formed at the center of the left and right side surfaces of the cover body 30. The claw member 32 is a plate-like member, and is formed so that the lower part protrudes downward from the lower end of the cover body 30. A claw 33 protruding outward is formed at the lower end of the claw member 32.

As shown in FIG. 1, the cover portion 3 is fixed to the housing 2 by inserting and engaging the claw member 32 into the engagement hole 21 with the gripping member 40 inserted therein.
In addition, although the material which comprises the cover part 3 is not limited, In 1st Embodiment, it shall comprise with elastic members, such as a plastics. Moreover, the manufacturing method of the cover part 3 is not limited, and may be appropriately selected from known methods, but in the first embodiment, it is formed by injection molding.

  FIG. 3 is a perspective view showing the guide portion 4 according to the first embodiment.

  The guide portion 4 is a member made of a gripping member 40 that grips the optical cable 1, and the gripping member 40 is formed on the upper surface of the floor plate 20 in a state of protruding upward from the floor plate 20 of the housing 2.

  As shown in FIG. 3, the guide portion 4 grips (inserts) the optical cable 1 by a pair of wall bodies 40 a, 40 a constituting the gripping member 40 standing in parallel with a gap. For this purpose, a groove 41 is formed.

  The gripping member 40 is formed such that the entire width (width in the left-right direction) W1 is slightly larger than the inner width in the left-right direction of the cover main body 30, and the width of the groove 41 is inserted in the cover main body 30. Is configured to narrow. Further, the entire length (length in the front-rear direction) L1 of the gripping member 40 is formed to be equal to or smaller than the inner width (inner length) in the front-rear direction of the cover body 30, and can be inserted into the cover body 30. Has been. Furthermore, the width of the groove portion 41 is formed to be equal to or greater than the width of the optical cable 1, and is configured so that the optical cable 1 can be easily inserted into the groove portion 41.

  In addition, a tapered portion 43 is formed on the upper portion of the gripping member 40 so that the entire width W1 is narrowed toward the upper side. Due to the taper portion 43, the upper end width W <b> 2 of the guide 40 is formed to be narrower than the inner width of the cover body 30, and the grip member 40 can be easily inserted when the cover member 3 covers the grip member 40. . The tapered portion 43 may be formed as necessary, and is not necessarily formed. The taper length and angle of the taper portion 43 may be set as appropriate.

  An anti-slip portion 42 processed into a corrugated shape is formed on the surfaces of the pair of wall bodies 40a, 40a facing each other (inner wall surface of the groove portion 41), and the optical fiber 1 thus gripped is displaced in the front-rear direction. Is configured to deter In the first embodiment, the inner wall surface of the groove 41 is formed into a corrugated shape to prevent slipping, but the configuration for preventing the optical cable 1 from shifting in the front-rear direction is limited. Instead, irregularities other than corrugations may be formed, or a non-slip member made of rubber or the like may be adhered to the inner surface.

  In the first embodiment, the gripping member 40 (guide portion 4) is made of an elastic member such as plastic as in the case 2, but the material constituting the gripping member 40 is not limited. .

  In the first embodiment, the gripping member 40 is formed by molding integrally with the floor plate 20, but the method of forming the gripping member 40 (guide portion 4) is not limited. For example, the separately formed gripping member 40 may be fixed to the floor plate 20 of the housing 2 with an adhesive or a double-sided tape. Further, the shape and size of the gripping member 40 may be appropriately set to a shape that allows the optical cable 1 to be gripped, and is not limited.

  In the first embodiment, the pair of wall bodies 40a and 40a are erected as the gripping member 40. However, for example, the gripping member 40 may be a member having a substantially U-shaped cross section. The shape of is not limited.

  FIG. 4 is a cross-sectional view showing an optical cable fixing state by the optical cable fixing structure of the first embodiment.

  The optical cable 1 is fixed by the optical cable fixing structure according to the first embodiment, as shown in FIG. 4, with the optical cable 1 inserted into the groove 41 of the gripping member 40, the gripping member 40 is held by the cover portion 3 from above. Do by covering. And the nail | claw member 32 of the cover part 3 is inserted in the engaging hole 21, and the nail | claw 33 is latched by the back surface (lower side surface) of the floor board 20, and fixation of the optical cable 1 is completed.

  When the cover part 3 is lowered from above so as to insert the gripping member 40, the inner width of the cover body 30 is formed smaller than the entire width W1 of the gripping member 40. A pressing pressure acts on the. Thereby, the width of the groove 41 of the gripping member 40 is narrowed, and the gripping member 40 grips the optical cable 1.

The claw member 32 is locked (engaged) with the floor plate 20 as follows.
By lowering the cover part 3, the claw 33 comes into contact with the wall surface of the engagement hole 21. When the cover 3 is further lowered, the claw member 32 is once pushed inward. When the claw 33 passes through the engagement hole 21, the claw member 32 returns to its original shape by the elastic force of the claw member 32, and the claw 33 is locked to the back surface of the engagement hole 21. In the first embodiment, for the purpose of facilitating the insertion of the claw member 32 into the engagement hole 21, the engagement hole 21 is tapered, and the shape of the upper end of the engagement hole 21 is the lower end. It is larger than the shape.

  When removing the cover 3, a tool such as a flat-blade screwdriver is inserted from the notch 22 of the engagement hole 21, and the claw member 32 is pushed inwardly (in the direction of the other claw member 32), so that The cover part 3 can be removed by removing the nail | claw 33 latched. Then, by removing the cover part 3, the fixing of the optical cable 1 is also released.

The optical cable 1 fixed by the optical cable fixing structure according to the first embodiment is fixedly loaded with a constant pressure by the width of the groove portion 41 being narrowed, and is firmly held by the concave portion 31 of the cover portion 3. Vertical displacement is also suppressed. Since the wave-shaped anti-slip portion 42 is formed on the inner surface of the groove portion 41, the optical cable 1 is firmly held.
Here, it is good also as a structure which presses the optical cable 1 from upper direction by forming the protrusion corresponding to the groove part 41 in the inner surface upper part of the cover part 3. FIG.

  According to the optical cable fixing structure of the first embodiment, the optical cable 1 (cover portion 3) is not slid back and forth, but is inserted and removed in the vertical direction, so that a necessary space is secured before and after the optical cable fixing structure. Therefore, it is possible to save the space of the fixed structure. Therefore, the housing 2 can be miniaturized, and the degree of freedom of the installation location of the housing 2 is increased.

  Further, when the optical cable 1 is fixed, the operation is easy because it is completed only by pushing the cover portion 3 from above (in a direction orthogonal to the optical cable) without using a tool or the like. Therefore, the wiring work of the optical cable 1 can be performed in a short time, and the working time can be shortened.

  Moreover, since the cover part 3 can be easily removed, the optical cable 1 can be easily inserted and removed, and the repairability is excellent. Therefore, even when frequent rearrangement or the like is performed, there is no need to reconfigure the fixing structure, and the same cover portion 3 and guide portion 4 can be used repeatedly. Are better.

  Further, the claw member 32 of the cover portion 3 is made of an elastic material, and when it is inserted and fitted into the engagement hole 21, there is little wear on the wall surface of the engagement hole 21. Therefore, compared to the conventional optical cable fixing structure (see FIG. 8) that is engaged by pushing the engaging portion 145 of the grip portion 104 that is a solid member into the receiving portion 131 of the main body portion 103 that is a solid member. There is little wear between members.

  FIGS. 5A and 5B are perspective views showing an optical cable fixing structure according to the second embodiment.

  As shown in FIGS. 5A and 5B, the optical cable fixing structure of the second embodiment includes a housing 2 through which the optical cable 1 (1 ′) passes, and a guide portion 6 attached to the housing 2. The cover portion 5 covers a part of the guide portion 6.

  The optical cable fixing structure of the second embodiment can correspond to fixing of the sheath-holding type optical cable 1 (see FIG. 5A) and fixing of the optical cable 1 ′ with a filter (see FIG. 5B). It is configured.

  FIG. 6 is an exploded perspective view showing an optical cable fixing structure according to the second embodiment.

  As shown in FIG. 6, the housing 2 includes a floor plate 20 that serves as a base of an optical cable fixing structure. The floor plate 20 is formed with mounting holes 24 formed according to the shape of the substrate 64 of the guide portion 6.

  As shown in FIG. 6, the attachment hole 24 is formed in the same shape as the substrate 64, and is formed at the rear end of the attachment hole 24 formed in a rectangular shape according to the convex portion 67 of the substrate 64. A recess 25 is formed. The mounting hole 24 is formed with a depth necessary for inserting the pedestal 68 or the cover portion 5 of the guide portion 6. Further, the mounting hole 24 is formed with a step 26 for hooking the substrate 64 by narrowing the planar shape (internal space area) of the mounting hole 24 from the surface of the floor plate 20 to the depth of the thickness of the substrate 64. Has been.

  An engagement portion 23 is formed on the wall surface of the mounting hole 24 by notching a portion corresponding to the claw 53 of the claw member 52 of the cover portion 5 so that the claw 53 can be engaged. It is configured. In addition, the shape of the engaging part 23 etc. are not limited, What is necessary is just to comprise suitably.

  In addition, since the configuration of the housing 2 according to the second embodiment is the same as that of the housing 2 described in the first embodiment, detailed description thereof is omitted.

  As shown in FIG. 6, the cover portion 5 is mainly composed of a cover main body 50 that is a box-shaped member having an open lower surface, and the grip member 60 and the substrate 64 of the guide portion 6 are formed from the opened lower surface. The formed fitting member 65 can be inserted.

In the cover portion 5 according to the second embodiment, the claw member 52 is formed behind the center of the cover body 50 in the front-rear direction.
A slit 54 is formed along the claw member 52 on both sides of the claw member 52. Here, the height of the slit 54 is not limited, but in the second embodiment, the slit 54 is formed up to a position higher than the center of the cover main body 50 in the height direction.

In addition, although the material which comprises the cover part 5 is not limited, it shall be comprised with the plastic which is an elastic member similarly to 1st Embodiment. Further, the positional relationship between the claw member 52 and the main body 50 is not limited.
In addition, since the structure of the cover part 5 which concerns on 2nd Embodiment is the same as the content of the cover part 3 demonstrated in 1st Embodiment, detailed description is abbreviate | omitted.

  FIGS. 7A and 7B are perspective views showing a guide unit according to the second embodiment, in which FIG. 7A shows a case where the gripping member is on the top and FIG. 7B shows a case where the pedestal is on the top.

  As shown in FIGS. 7A and 7B, the guide portion 6 is formed integrally with the substrate 64, the gripping member 60 formed integrally with one surface of the substrate 64, and the other surface of the substrate 64. The pedestal 68 is formed.

  As shown in FIGS. 7A and 7B, a recess 66 formed corresponding to the claw member 52 of the cover portion 5 is formed on the rear side portion of the grip member 60 of the substrate 64. Further, a convex portion 67 protruding rearward is formed at the rear end of the substrate 64. As shown in FIGS. 5A and 5B, the concave portion 25 formed on the floor plate 20 of the housing 2 is formed. It is formed so that it can be fitted.

  As shown in FIG. 7A, on the surface of the substrate 64 on the side of the gripping member 60, a fitting member 65 formed corresponding to the inner shape of the cover body 50 is formed behind the gripping member 60. ing. The fitting member 65 is formed along the inner wall surface of the cover main body 50, and is fitted to the cover main body 50 by being inserted into the cover main body 50 together with the gripping member 60.

  On the other hand, as shown in FIG. 7B, fitting members 65 ′ and 65 ′ for fitting into the mounting holes 24 of the housing 2 are formed on the surface of the board 64 on the pedestal 68 side.

  As shown in FIGS. 5B and 7B, the pedestal 68 is a member for placing the optical cable 1 ′ with a filter, and corresponds to the shape of the filter portion 12 of the optical cable 1 ′ with the filter. A groove 69 having a shape is formed. In the second embodiment, the groove portion 69 of the pedestal 68 is formed in an arc shape. However, the shape of the groove portion 69 is not limited to an arc shape, and may be appropriately set according to the shape of the filter 12. Good.

  In addition, since the structure of the holding member 60 which concerns on 2nd Embodiment is the same as that of the structure of the holding member 40 demonstrated in 1st Embodiment, detailed description is abbreviate | omitted.

  Here, the material which comprises the guide part 6 is not limited, What is necessary is just to select from well-known materials suitably, However, In 2nd Embodiment, it shall comprise with a plastics. In the second embodiment, the substrate 64, the gripping member 60, and the pedestal 68 are integrally formed by injection molding, but the method for forming the guide portion 6 is not limited.

Next, a procedure for fixing the optical cable 1 (1 ′) by the optical cable fixing structure according to the second embodiment will be described step by step.
First, with reference to Fig.5 (a), the case where the general optical cable 1 which consists of an optical core wire, two tension members, and the outer skin which protects them is fixed is demonstrated.

  First, the guide portion 6 is installed in the housing 2 with the pedestal 68 inserted into the mounting hole 24 so that the gripping member 60 is on top. At this time, the mounting hole 24 is formed in the same shape as that of the substrate 64, and the base 68 and the fitting member 65 ′ abut against the inner wall surface of the mounting hole 24. 24.

  Then, with the optical cable 1 inserted into the groove 61 of the gripping member 60, the gripping member 60 is covered with the cover portion 5 from above, and the claw member 52 of the cover portion 5 is inserted into the recess 66. Then, when the claw 33 is engaged with the engaging portion 23, the fixing of the optical cable 1 is completed. In addition, since the cover part 5 is fitted to the holding member 60 and the fitting member 65, the guide part 6 is also fixed to the housing 2 together with the cover part 5.

  In the second embodiment, when removing the cover portion 5, the claw member 52 bends inward by pinching the portion (claw member 52) between the slits 54, 54 of the cover portion 5. The claw 53 is removed from the cover 5 and the cover 5 can be removed. That is, since the cover part 5 can be removed without requiring a tool such as a screwdriver, the operation is easy.

  When the cover part 5 is lowered from above so as to insert the gripping member 60, the inner width of the cover body 50 is formed smaller than the entire width of the gripping member 60. A pressing force acts. Thereby, the width of the groove 61 of the gripping member 60 is narrowed, and the gripping member 60 grips the optical cable 1.

  As described above, the optical cable 1 can be firmly fixed and the optical cable 1 can be easily removed, as in the case described in the first embodiment.

  Next, with reference to FIG. 5B, a case where an optical cable with a filter is fixed as the optical cable 1 'will be described.

  First, the holding member 60 and the fitting member 65 are inserted into the cover portion 5 so that the substrate 64 and the cover portion 5 are fitted.

  Next, the guide portion 6 in which the cover portion 5 and the substrate 64 are integrally fitted is installed in the housing 2 in a state where the cover portion 5 is inserted into the mounting hole 24 formed in the floor plate 20 of the housing 2. To do. At this time, since the attachment hole 24 is formed in the same shape as the shape of the substrate 64, the substrate 64 is fitted into the attachment hole 24 of the floor plate 20.

  When the guide portion 6 is installed in the mounting hole 42, the filter 12 of the optical cable 1 ′ is placed in the groove portion 69 of the base 68. Note that the connector 11 may be joined to the connector receiver (not shown) formed on the housing 2 after the optical cable 1 is placed on the pedestal 68 or before it is placed.

  The fixing of the optical cable 1 ′ in the second embodiment depends on the fitting and holding force of the connector 11. That is, the optical cable 1 ′ is fixed simply by joining the connector 11 to the connector receiver and placing the filter 12 formed integrally with the connector 11 on the pedestal 68. Further, the vertical displacement of the guide portion 6 also depends on the fitting holding force of the connector 11.

  As described above, according to the optical cable fixing structure of the second embodiment, by using the reverse-type guide unit 6 that is a separate part from the housing 2, the optical cable 1 with a filter can be used in addition to the optical cable 1 of the outer shell holding type. It became possible to fix different types of optical cables 1 and 1 such as' by the same fixing structure.

  Moreover, since the slit 54 for removing the nail | claw member 52 from the engaging part 23 is formed in the cover part 5, it can remove the cover part 5 (optical cable 1 ') simply, without using a tool etc. Became possible.

  In addition, since the effect by the fixing structure of the optical cable according to the second embodiment is the same as the contents shown in the first embodiment, detailed description thereof is omitted.

  In addition, in 2nd Embodiment, it was set as the structure which enables attachment / detachment of the cover part 5 without requiring a tool by forming the slit 54 in the cover part 5, However, The nail | claw member of the cover part 5 is set to the floor board 20. FIG. It is good also as a structure which attaches and detaches the cover part 5 using a tool similarly to 1st Embodiment by forming a notch in the location corresponding to 52. FIG.

  Further, when the optical cable with a filter 1 ′ is fixed, the vertical displacement of the guide portion 6 depends on the fitting strength of the connector 11. However, when the pedestal 68 is raised, the guide portion 6 Alternatively, a guide member 6 itself may be fixed to the housing 2 by separately forming an attachment member capable of fixing.

Heretofore, an example of a preferred embodiment has been described for the present invention. However, the present invention is not limited to the above-described embodiments, and the design of the respective components can be appropriately changed without departing from the spirit of the present invention.
For example, the fixing of the cover part is not limited to the engagement by the claw member, and may be fixed by appropriately selecting from among known attachment methods.

Further, the fixing position of the cover mounting member and the housing (engagement portion) is not limited to the back surface of the floorboard, and may be appropriately set, for example, such that the upper surface of the floorboard is engaged with each other. That's fine.
In each of the above embodiments, the engagement of the claw member is released by pushing and bending the claw member inward. However, the method of releasing the claw member is not limited, and for example, the floor plate of the housing It is good also as a structure which cancels | releases engagement with a nail | claw member by forming a slit in the part corresponding to this engaging part, and setting it as the structure which expands an engaging part to an outer side direction by pushing this part.

It is a perspective view which shows the fixing structure of the optical cable of 1st Embodiment. It is a perspective view which shows the cover part which concerns on 1st Embodiment. It is a perspective view which shows the guide part which concerns on 1st Embodiment. It is sectional drawing which shows the fixing condition of the optical cable in the optical cable fixing structure of 1st Embodiment. (A) And (b) is a perspective view which shows the optical cable fixing structure which concerns on 2nd Embodiment. It is a disassembled perspective view which shows the optical cable fixing structure which concerns on 2nd Embodiment. It is a perspective view which shows the guide part which concerns on 2nd Embodiment, Comprising: (a) shows the case where a holding member becomes upper, (b) shows the case where a base becomes upper. It is a figure which shows the fixation structure of the conventional optical cable, Comprising: (a) is a perspective view which shows the state before fixation, (b) is a perspective view which shows the state after fixation.

Explanation of symbols

1, 1 'optical cable 2 housing | casing 21 engagement hole (engagement part)
24 Mounting hole 3 Cover part 30 Cover main body 31 Recessed part 32 Claw member (attaching member)
4 Guide part 40 Holding member 42 Anti-slip part 5 Cover part 54 Slit 6 Guide part 60 Holding member 64 Substrate 68 Base W1 Full width W3 Inner width

Claims (5)

A housing through which an optical cable passes,
A guide portion that is formed in the housing and includes a gripping member that grips the optical cable;
Said gripping member a cable fixing structure and a cover portion for covering the upper side in the direction perpendicular to the optical cable,
The optical cable is inserted into and removed from the gripping member in the vertical direction with the housing as a reference plane.
In the cover portion, a recess for inserting the optical cable is formed at a location corresponding to the optical cable gripped by the gripping member,
An attachment member for fixing to the casing is formed on the side surface of the cover portion ,
The gripping member is formed such that the entire width in the left-right direction is slightly larger than the inner width in the left-right direction of the cover portion, and the width of the optical cable before the gripping member is covered by the cover portion. A groove portion having a width equal to or greater than the width of the groove portion is formed, and the width of the groove portion that grips the optical cable with the gripping member inserted in the cover portion is narrowed. Optical cable fixing structure. A mounting hole is formed in the housing,
The guide portion is for mounting a board fitted in the mounting hole, the gripping member formed on one surface of the board, and another optical cable formed on the other surface of the board. The optical cable fixing structure according to claim 1, further comprising a pedestal. The optical cable fixing structure according to claim 1 or 2 , wherein an anti-slip process is applied to an inner surface of the gripping member. The mounting member is a claw member formed so as to protrude downward from the lower end of the cover part,
The casing is formed with an engaging portion for engaging the claw member,
The optical cable fixing structure according to any one of claims 1 to 3 , wherein the guide portion is fixed to the housing by engaging the claw member with the engaging portion. . The optical cable fixing structure according to claim 4 , wherein slits are formed on both sides of the claw member on a side surface of the cover portion.

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