JPH10164735A - Cable clamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To give noise radiated from a cable to a grounded conductor for reduction in radiation noise by bringing a cable to be fixed into contact with the grounded conductor for fixing. SOLUTION: A cable 12 to be fixed is disposed on a grounded conductor 11 such as apparatus chassis and frame, and the first hole 11a and the second hole 11b are formed on both sides of the cable 12 of the conductor 11. The first member 14 and the second member 15 of a cable clamp 13 are fitted respectively. Elastic umbrella-shaped parts 14b, 15b are formed as stoppers, at the respective rod parts 14a, 15a of the first member 14 and the second member 15. An elastic extension part 16 which extends in such a direction as to cross the cable 12 and engages with the second member 15 is formed at the first member 14. A hole 15c for inserting the extension part 16 is formed at the second member 15, and locking teeth 15d, 16a are formed at the wall surface of the hole 15c and the extension part 16 respectively. It is thus possible to insert the extension part 16 in the hole 15c, pull it, and bring the cable 12 come into contact with the grounded conductor 11 for fixing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable clamp for fixing a cable.

[0002]

2. Description of the Related Art Cables routed in equipment are designed to reduce the stress that causes disconnection, to prevent interference with mechanically movable parts, and to facilitate assembly and repair. It is desirable to wire along a fixed object such as a frame or a frame.

Generally, a cable clamp as shown in FIGS. 5 and 6 is used to route a cable along a fixed object. 5A and 5B showing a first example of the cable clamp, FIG. 5A is a diagram for explaining attachment of the cable clamp to a fixed object, and FIG. 5B is a perspective view of the cable clamp in use.

In FIGS. 1A and 1B, reference numeral 1 denotes a fixed member such as a chassis or a frame, and 1a denotes a hole provided in the fixed member. The cable clamp 2 includes a mounting portion 2a that can be disengaged from the hole 1a, and a locking portion 2b formed on the mounting portion 2a.
And an elastic extension portion 2c extending from the locking portion 2b, winding the cable 3, and being detachable from the locking portion 2b.

[0005] In Fig. 6 showing a second example of the cable clamp, Fig. 6 (a) is a sectional view of the front view, and Fig. 6 (b) is a top view in Fig. 6 (a). In the figure, reference numeral 4 denotes a fixed object such as a chassis or a frame, and 5 denotes a cable clamp which is detachably engaged with a hole 4a formed in the fixed object 4. The cable clamp 5 has an upper surface released, and a mounting portion 5a on which the flat cable 6 is set from the released surface, and is provided to be swingable with respect to the mounting portion 5a, and covers a release surface of the mounting portion 5a. Cover 5b, a claw 5c provided on the cover 5b and capable of engaging with and disengaging from the engagement hole 5d of the mounting portion 5a, and the flat cable 6 formed and set on the cover 5b at the bottom of the mounting portion 5a And a pressing pantograph section 5e.

[0006]

However, in the cable clamps 2 and 5 having the above structure, the cable 3 and the flat cable 6 are fixed in a state of being floated from fixed objects 1 and 4 such as a chassis and a frame. .

In recent years, in such a cable 3 and a flat cable 6, consideration for noise has been demanded. In particular, the noise radiated from the cable 3 or the flat cable 6 affects not only the circuit operation inside the device but also the external device, and regulations related thereto are stricter in each country.

[0008] The present invention has been made in view of the above problems, and an object of the present invention is to provide a cable clamp that reduces noise radiated from a cable.

[0009]

According to a first aspect of the present invention, there is provided a cable clamp which is attached to a grounded conductor and locks the cable by fixing the cable to the conductor. The fixed cable is in contact with the conductor.

[0010] Since the fixed cable is in contact with the grounded conductor, noise radiated from the cable flows to the grounded conductor. Therefore, noise radiated from the cable is reduced.

According to a second aspect of the present invention, in a cable clamp which is attached to a grounded conductor and locks the cable to fix the cable to the conductor, the cable clamp is attached to one side of the cable. A first member having an elastic extension extending in a direction traversing the cable on the cable, and attached to the other side of the cable, and the extension of the first member is engaged. A cable clamp comprising a second member.

By engaging an elastic extension extending on the cable in a direction crossing the cable with the second member,
The cable is fixed to the grounded conductor and abuts the grounded conductor.

Therefore, the noise radiated from the cable flows to the grounded conductor, and the noise radiated from the cable is reduced. The invention according to claim 3 is a cable clamp that is attached to a grounded conductor and locks the cable to fix the cable to the conductor. In the cable clamp, on the conductor, on one side of the cable. A first leg mounted on the conductor, a second leg mounted on the conductor at the other end of the cable, and disposed on the cable so as to cross the cable; A cable clamp comprising a leg, a bridging portion bridging the second leg, and a pressing portion pressing the cable in the conductor direction.

Since the cable is pressed against the conductor by the pressing portion, the noise radiated from the cable flows to the grounded conductor, and the noise radiated from the cable is reduced. The cable clamp according to the invention, wherein the bridge portion and the second leg portion are separable.

[0015] By moving the second leg relative to the bridge, the distance between the first leg and the second leg is changed, and the distance between the first leg and the second leg is reduced. Cables of different widths can be fixed.

According to a fifth aspect of the present invention, there is provided a cable clamp which is attached to a grounded conductor and locks the cable by fixing the cable to the conductor. And a resilient engaging portion extending from the mounting portion in a direction crossing the cable on the cable and engaging with the conductor on the other side of the cable. Cable clamp.

The cable is fixed to the grounded conductor and abuts on the grounded conductor by engaging the conductor with an elastic engaging portion extending in a direction crossing the cable on the cable.

Therefore, the noise radiated from the cable flows to the grounded conductor, and the noise radiated from the cable is reduced.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION

(1) First Embodiment FIG. 1 is a configuration diagram of a first embodiment. FIG. 1 (a) is a cross-sectional configuration diagram, and FIG. It is a figure explaining engagement with 2 members.

In the figure, reference numeral 11 denotes a grounded conductor such as a chassis or a frame. A cable 12 is provided on the conductor 11. A first hole 11a and a second hole 11b are formed on both sides of the cable 12 of the conductor 11.

A cable clamp 13 is provided in the first hole 11a.
Of the second member 1 in the second hole 11b.
5 are attached respectively. Here, the attachment of the first member 14 to the first hole 11a will be described. On the bottom surface of the first member 14, a rod portion 14a having a diameter smaller than the diameter of the first hole 11a is formed. An elastic bulkhead 14b is formed at the distal end of the rod 14a and extends toward the base end of the rod 14a in a direction away from the rod 14a.

Accordingly, when the rod portion 14a of the first member 14 is inserted into the first hole 11a, the bulge portion 14b is
It elastically deforms in the direction and moves while sliding on the wall surface of the first hole 11a, and when the bulk portion 14b finishes passing through the first hole 11a, it is opened by the elastic restoring force. In this state, the rod portion 14a
Is removed from the first hole 11a.
Abuts on the periphery of the to prevent it from falling off.

Next, the attachment of the second member 15 to the second hole 11b will be described. On the bottom surface of the second member 15, a rod 15a having a diameter smaller than the diameter of the second hole 11b is formed. Further, an elastic bulkhead 15b is formed at the distal end of the rod portion 15a and extends toward the base end of the rod portion 15a in a direction away from the rod portion 15a.

Therefore, when the bar portion 15a of the second member 15 is inserted into the second hole 11b, the umbrella portion 15b becomes
It elastically deforms in the direction and moves while sliding on the wall surface of the second hole 11b, and when the bulk portion 15b finishes passing through the second hole 11b, it is opened by the elastic restoring force. In this state, the rod 15a
Is pulled out, the bulk 15b becomes the second hole 11b.
Abuts on the periphery of the to prevent it from falling off.

The first member 14 is provided with an elastic extension 16 extending on the cable 12 in a direction crossing the cable 12 and engaging with the second member 15. That is, a hole 15c into which the extension 16 is inserted is formed in the second member 15, and the wall surface of the hole 15c and the extension 16 have a saw-tooth shape formed of a slope and a vertical surface. Teeth 15d and 16a are formed. Therefore, the extension portion 16 is easily inserted into the hole 15c of the second member 15, but has a structure that is hard to come off when inserted once.

According to the above configuration, the extension 12 is inserted into the hole 15c of the second member 15 and pulled in the direction of the arrow, so that the cable 12 is pressed against and fixed to the grounded conductor 11.

Therefore, the noise radiated from the cable 12 flows to the grounded conductor 11, and the noise radiated from the cable 12 is reduced. Note that the present invention is not limited to the above embodiment. In the above embodiment,
The attachment of the first member 14 and the second member 15 to the conductor 11 was configured by the rod portions 14a, 15a, the bulk portions 14b, 15b, and the first and second holes 11a, 11b.
The first and second members 14 and 15 and the conductor 11 may be fixed to each other with an adhesive tape or an adhesive.

(2) Second Embodiment FIG. 2 is a configuration diagram of a second embodiment of the present invention.
(a) is a sectional view, and (b) is a perspective view.

In the figure, reference numeral 21 denotes a grounded conductor such as a chassis or a frame. A flat cable 22 is provided on the conductor 21. And the flat cable 22
A first hole 21a and a second hole 21b are formed in the conductor 21 on both sides.

A cable clamp 23 is provided in the first hole 21a.
Of the second leg 2 in the second hole 21b.
5 are attached respectively. The structure for mounting the first and second legs 24 and 25 and the conductor 21 is the same as that of the first embodiment, and therefore, the description is omitted.

The ends of the first leg portion 24 and the second leg portion 25 are disposed on the flat cable 22 so as to cross the flat cable 22 and are connected to the first and second bridge portions 26. , 27. The first leg portion 24 is formed with a spring portion 28 extending between the first and second bridge portions 26 and 27 and serving as a pressing portion for pressing the flat cable 22 in the direction of the conductor 21.

According to the above configuration, the flat cable 22 is connected to the grounded conductor 21 by the urging force of the spring portion 28.
Pressed against and fixed. Therefore, the noise radiated from the flat cable 22 flows to the grounded conductor 21, and the noise radiated from the flat cable 22 decreases.

The present invention is not limited to the above embodiment. For example, the first and second legs 24, 2
5 may be attached to the conductor 21 using an adhesive tape or an adhesive.

(3) Third Embodiment FIG. 3 is a configuration diagram of a third embodiment. In FIG. 3, the same portions as those in FIG. 2 are denoted by the same heavy rainfall, and description thereof is omitted.

The difference between the present embodiment and the second embodiment is that the bridging portion 26 and the second leg 35 can be separated. The second leg 35 has holes 35c, 35c.
d (the hole 35d is not shown) is formed, and the first and second bridging portions 26 and 27 can be inserted into these holes 35c and 35d.

According to the above configuration, the flat cable 22 is connected to the grounded conductor 21 by the biasing force of the spring portion 28.
Pressed against and fixed. Therefore, the noise radiated from the flat cable 22 flows to the grounded conductor 21, and the noise radiated from the flat cable 22 decreases.

By moving the second leg 35 with respect to the bridging portion 26, the distance between the first leg and the second leg changes, and the cable according to the third embodiment is changed. Cables having different widths can be fixed as compared with the clamp.

The present invention is not limited to the above embodiment. For example, the first and second legs 24,3
5 may be attached to the conductor 21 using an adhesive tape or an adhesive.

(4) Fourth Embodiment FIG. 4 is a configuration diagram of a fourth embodiment. The same parts as those in FIG. 1 illustrating the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

In the figure, a mounting portion 44 of a cable clamp 43 is mounted on the first hole 11a. still,
The mounting structure of the mounting portion 44 and the conductor 11 is the same as that of the first embodiment, and the description is omitted.

45 extends from the mounting portion 44 on the cable 12 in a direction crossing the cable 12 and extends through the second hole 1 of the conductor 11.
It is an elastic engaging portion that engages with 1b. A plurality of bulges 45 b are formed at the tip of the engagement part 45.

Accordingly, the distal end of the engaging portion 45 is connected to the first hole 1.
When inserted into the first hole 11a, the bulk 45b is elastically deformed in the direction of the rod 14a and moves while sliding on the wall surface of the first hole 11a, and when the bulk 45b finishes passing through the first hole 11a,
Open by elastic restoring force. In this state, even if the user tries to pull out the engaging portion 45, the bulge portion 45b abuts on the peripheral edge of the first hole 11a to prevent it from coming off.

An elastic engaging portion 45 extending on the cable 12 in a direction crossing the cable 12 is connected to the second hole 11 of the conductor 11.
By engaging with the conductor b, the cable 12 is fixed to the grounded conductor 11 and pressed against the grounded conductor.

Therefore, the noise radiated from the cable 12 flows to the grounded conductor 11, and the noise radiated from the cable 12 decreases. Note that the present invention is not limited to the above embodiment. For example, the attachment portion 44 may be attached to the conductor 11 using an adhesive tape or an adhesive.

[0045]

As described above, according to the first aspect of the present invention, the noise radiated from the cable flows to the grounded conductor by bringing the cable into contact with the grounded conductor.

Accordingly, noise radiated from the cable is reduced. According to the second aspect of the present invention, the cable clamp is attached to one side of the cable, the first member having an elastic extension extending in the direction crossing the cable on the cable, and the other member of the cable. A second member attached to the side and engaged with the extension of the first member, and an elastic extension extending in a direction crossing the cable on the cable is engaged with the second member. By combining
The cable is fixed to the grounded conductor and abuts the grounded conductor.

Therefore, the noise radiated from the cable flows to the grounded conductor, and the noise radiated from the cable is reduced. According to the invention described in claim 3, the cable clamp is attached to the conductor on one side of the cable and the first leg is attached to the other end of the cable on the conductor. A second leg disposed on the cable and across the cable;
Since the cable is pressed by the pressing portion to the conductor by forming the leg portion, the bridging portion for bridging the second leg portion, and the pressing portion for pressing the cable in the conductor direction, the cable From the cable flows to the grounded conductor, reducing the noise radiated from the cable

According to the fourth aspect of the present invention, the bridge portion and the second leg portion in the third aspect of the invention are separable, so that the second leg portion is connected to the bridge portion. , The distance between the first leg and the second leg changes, and a cable having a different width can be fixed as compared with the cable clamp according to claim 3. .

According to the invention of claim 5, on the conductor,
An attachment portion attached to one side of the cable, and an elastic engagement portion extending from the attachment portion on the cable in a direction crossing the cable and engaging with the conductor on the other side of the cable. The cable is fixed to the grounded conductor and abuts the grounded conductor by engaging the conductor with an elastic engaging portion extending in a direction crossing the cable on the cable.

Therefore, noise radiated from the cable flows to the grounded conductor, and noise radiated from the cable is reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a first embodiment.

FIG. 2 is a configuration diagram of a second embodiment.

FIG. 3 is a configuration diagram of a third embodiment.

FIG. 4 is a configuration diagram of a fourth embodiment.

FIG. 5 is a configuration diagram of a conventional cable clamp.

FIG. 6 is a configuration diagram of a conventional cable clamp.

[Explanation of symbols]

 11 conductor 12 cable 13 cable clamp

Claims (5)

[Claims] 1. A cable clamp attached to a grounded conductor and securing the cable to the conductor by locking the cable, wherein the fixed cable abuts the conductor. Clamp. 2. A cable clamp attached to a grounded conductor and securing the cable to the conductor by locking the cable, wherein the cable clamp is attached to one side of the cable, and A first member having an elastic extension extending in a direction traversing the cable; a first member attached to the other side of the cable;
And a second member with which the extension of the member is engaged. 3. A cable clamp attached to a grounded conductor and securing the cable to the conductor by locking the cable, the cable clamp being attached to the conductor on one side of the cable. A second leg attached to the other end of the cable on the conductor; and a second leg disposed on the cable so as to cross the cable. A cable clamp comprising: a bridging portion bridging the second leg; and a pressing portion pressing the cable in the conductor direction. 4. The cable clamp according to claim 3, wherein said bridge portion and said second leg portion are separable. 5. A cable clamp which is attached to a grounded conductor and locks the cable to the conductor by locking the cable, wherein a mounting portion attached to one side of the cable on the conductor. And a resilient engaging portion extending from the attachment portion on the cable in a direction crossing the cable and engaging with the conductor on the other side of the cable.