JP2899129B2 - Inlet plate - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an input plate for drawing a cable such as a coaxial cable from outdoors to indoors.

[0002]

2. Description of the Related Art Conventionally, there is a rain-proof incoming line cover used to draw a radio wave received by a receiving antenna indoors. This rainproof cover has a configuration in which a coaxial cable is drawn directly from outdoors to indoors. However, the conventional rainproof cover does not have a structure in which outdoor and indoor wirings can be separated by a connector or the like, so it is difficult to separate indoor and outdoor wirings. With the widespread use of, the need to mix the output signal of the BS converter with the received signal in the UHF or VHF band has increased, but it has not been able to cope with this.

Therefore, a so-called guard plate has a UHF band, V
An input plate incorporating a mixer for mixing a reception signal in the HF band and an output signal of the BS converter is provided. 13 and 14 show a front view and a bottom view of a conventional input plate using the guard plate. In this conventional example, a lower end of a cover 61 pivotally supported on a rubber guard plate main body 60 so as to be openable and closable. Is provided with a cable insertion hole 62 formed by a cutout hole for introducing a coaxial cable, and allows a coaxial cable from the outside to be connected to a coaxial cable connector 63 provided on the surface of the guard plate main body 60 when the cover is closed. The cable insertion hole 62 is inserted into the cable insertion hole 62 from the cutout portion.

[0004]

However, in this conventional example, since there is no means for temporarily fixing the coaxial cable on the guard plate main body side, if the coaxial cable is under tension, it is difficult to connect the cable and the coaxial cable connector 63 side. However, there is a problem in that the load of the tension is increased, and the reliability of the connection is slightly inferior.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to improve workability in a case where a cable can be temporarily fixed and installation is difficult due to the tension of the cable. It is an object of the present invention to provide an insertion plate that can reduce a load of tension on a connector for connecting a cable by a function of temporarily fixing a cable and improve reliability of connection.

[0006]

In order to achieve the above object, the invention according to claim 1 comprises a synthetic resin body disposed along a wall surface and an upper end openably and closably provided at an upper end of the body. part forming a plate body with a cover pivotally supported to the connector via an open cable insertion hole connecting the cable introduced into the plate body is provided on the body surface to cover, press fit retaining the cables tentative The fixing portion is formed integrally with the body surface. Claim 2
In the invention of claim 1, the temporary fixing portion has a substantially cross-sectional shape.
It is constituted by a C-shaped recess.

[0007]

SUMMARY OF According to Thus to the invention of claim 1, carried out by temporarily fixed by pressure input held in the temporarily fixed portion to the cable tension is applied, the connections to the connector while eliminating the relief of tension during construction . Then, after the installation, the temporary fixing at the temporary fixing portion reduces the load of the tension on the connector, and improves the reliability of the connection. According to the second aspect of the present invention,
The body whose temporary fixing portion is constituted by a recess having a substantially C-shaped cross section
Combined with synthetic resin, the temporary fixing part is molded integrally with the body
Since it is possible, it is not necessary to attach another part.

[0008]

The present invention will be described below with reference to examples. 1 to 6 show one embodiment. A plate body 4 is composed of a body 1 made of a synthetic resin molded product, a synthetic resin cover 2 pivotally supported on the front side of the body 1 and a back cover 3, and the cover 2 is provided at an upper end. The shaft insertion part 5 and the pivotal support part 6 provided at the upper end of the body 1 are combined, and the rotation hole 7 is formed in the shaft hole formed by the combination.
Is pivotally supported by the body 1 so as to be openable and closable in a hinge shape. Reference numeral 70 denotes a spring plate for urging the rotating shaft 7.

Mixer 8 housed in recess at back of body 1
Is composed of a printed circuit board 9 and connectors 50A, 50B, 50C, etc., and connectors 50A, 50B for connecting an outdoor coaxial cable are mounted on the front surface of the printed circuit board 9, and elements of the circuit of the mixer 8 are mounted on the back surface. And a connector 50C for connecting a coaxial cable on the indoor side. First, each of the connectors 50A, 50B, 50C has a blade case 10A, 10B, 10C for a core wire of a coaxial cable, and a terminal case 12A provided with core wire insertion portions 11A, 11B, 11C.
12B, 12C and shield plates 13A, 13B, 13C
And holding metal fittings 18A, 18B, 18C as main members, and the blade receiving metal fittings 10A, 10B, 10C are inserted into the holes 17 corresponding to the respective printed circuit boards 9 from the front surface or the back surface and connected to the circuit pattern and soldered. Terminal case 12A, 1B provided with core insertion portions 11A, 11B, 11C corresponding to the blade receiving fittings 10A, 10B, 10C.
2B and 12C are arranged on the front surface or the back surface of the printed circuit board 9, and the leg pieces 15 formed by bending the shield plates 8A, 8B and 8C on both sides thereof so as to press the terminal cases 12A, 12B and 12C from above are printed. Attachment is carried out by inserting it into a corresponding hole 16 formed in the substrate 9 and fixing it by soldering. At this time, the terminal cases 12A, 12B, 12C
The core wire insertion portions 11A, 11B, 11C
A, 13B, 13C through the holes 14 provided in the shield plate 13
It is exposed on the surface side of A, 13B and 13C.

Pressing fittings 18A, 1 for holding and fixing shield portions of coaxial cables for connecting core wires to the blade receiving fittings 10A, 10B, 10C are provided on both side opening edges of the respective recording holes 14.
A support piece 21 having a cutout hole 20 for rotatably locking the tip shaft 19 of 8B18C is cut and raised. The holding members 18A, 18B, 18C are provided with a holding piece 22 for holding the shield portion of the coaxial cable at the center, and the holding members 18A, 18B, 18C are fixed to the surfaces of the shield plates 13A, 13B, 13C with screws 23 on the side portions. A fixing piece 24 is provided for causing the fixing piece 24 to move.

Reference numeral 25 denotes a spring inserted into the screw 23, reference numeral 26 denotes a hole through which the screw 23 is inserted, reference numeral 27 denotes a hole into which the screw 23 is screwed, and reference numeral SW denotes a power supply changeover switch, which is mounted on the printed circuit board 9. . As shown in FIG.
Input terminal I for inputting a mixed signal of HF band and VHF band
₁ and the input terminal 1 ₂ for inputting the signal from the BS converter
And an output terminal O for outputting a signal mixed by the mixing circuit unit MX and the mixing circuit unit MX. Each terminal is constituted by the above-described connectors 50A, 50B, and 50C. , UHF band, and VHF band, a power supply switch SW that is turned on / off in accordance with the necessity of power supply to the antenna booster is inserted into an input circuit for mixed signals of the UHF band and the VHF band.

The printed circuit board 9 on which the mixer 6 is formed by mounting the members as described above is housed in the back recess of the body 1 and is tapped together with the back cover 3 covering the opening of the back recess. As shown in FIG. 4, it is fastened and fixed to the back of the body 1 with screws 30. Reference numeral 51 denotes a screw insertion hole provided in the back body 3, and reference numeral 52 denotes a tapping screw fastening hole on the back of the body 1.

The body 1 has a cover 3 closed on its surface, and a projecting wall 2 for preventing rainwater from entering along the inner peripheral surface of the cover.
8 are protruded integrally, and connectors 50A, 50 formed of the holding members 18A, 18B and the like are provided on the surface surrounded by the protruding wall 28.
Window holes 29A and 29B for exposing 0B.
A notch 31 in which no protruding wall 28 exists below A and 29B
The coaxial cable on the outdoor side can be inserted into the recess surrounded by the protruding wall 28 from below through the notch 31. Then, in order to temporarily fix the coaxial cable to be inserted into the recess through the notch 31, a temporary fixing portion 33A having a C-shaped recess 32 into which the coaxial cable is press-fitted in a recess near the notch 31. , 33B.

On the other hand, at the center of the lower surface of the cover 3, there is provided an opening 34 with the body 1 side cut out, and a packing 35 for preventing rainwater intrusion is fitted into the opening 34, and the packing 35 for preventing rainwater from entering is provided. Cable insertion hole 36A,
A coaxial cable from outside is introduced into the plate body 4 via 36B. The rainwater infiltration prevention packing 35 is made of soft rubber, and is provided with grooves 35a on both sides and the upper surface in FIGS. 7 and 8, and is attached to the opening 34 by fitting an opening edge of the opening 34 into the groove 35a. Can be The cable insertion holes 36A and 36B have slits 37A extending from the lower end to the lower part of the rainwater intrusion prevention packing 35,
37B.

As described above, the plate body 4 having the mixer 8 built therein is provided with a groove 39 formed on the surface of the waterproof packing 38 shown in FIG.
As shown in FIG. 7, the back side of the body 1 is sealed with a waterproof packing 38. At this time, the tip of the cylindrical portion 40 projecting from the center of the upper and lower portions of the back surface of the body 1 is exposed on the back surface side of the waterproof packing 38 through the hole 41 provided in the waterproof packing 38.

Further, the connector 50C for the indoor side coaxial cable exposed from the opening window 3a provided on the back cover 3 is further exposed to the opening window 38a provided on the waterproof packing 38, and the coaxial cable is connected from the back side of the waterproof packing 38 to the connector. 35C. The cylindrical portion 40 has a fixing screw insertion hole 42 penetrated at the center, and a fixing screw 53 inserted through the fixing screw insertion hole 42 from the surface side of the body 1.
The plate body 4 is attached to the mounting frame 43 by screwing into a screw hole 44 provided at the center of the upper and lower sides of the mounting frame 43 disposed on the back side of the waterproof packing 38.

The mounting frame 43 is made of metal whose surface is covered with a resin molded part. On the upper and lower sides, in addition to the screw holes 44, a switch box (not shown) embedded in an outdoor wall is provided. A mounting hole 45 for mounting is provided. At the time of construction, a mounting screw is inserted through the mounting hole 45 and fastened to a mounting screw hole (not shown) of the switch box, thereby mounting the switch box in advance.

As described above, the input plate A with the mixer according to the present invention in which the mixer 6 is built in the plate body 4 as described above is shown in FIG. 11 by using a mounting frame 43 in a switch box embedded in an outdoor wall surface. UHF, V
A coaxial cable 47A from the power supply booster 46 in the HF band,
The coaxial cable 47B from the BS converter 49 of the satellite broadcast antenna 48 is connected to the connectors 50A and 50B exposed on the surface of the body 1 as shown in FIG. At this time, it is press-fitted into the C-shaped concave portions 32 of the temporary fixing portions 33A and 33B and temporarily fixed.

Next, the plate body 4 is mounted on the surface of the waterproof packing 38, and the opening window 38a of the waterproof packing 38 is
A coaxial cable 47C on the indoor wiring side derived from the switch box via the opening window 43a of the mounting frame 43 is connected to the connector 50C facing through the opening window 3a of the back cover 3, and a plate is attached to the mounting frame 43 in this state. The main body 1 is fixed with fixing screws 53.

After the installation is completed, the cover 2 is closed as shown in FIG. 10, and the coaxial cables 47A and 47B temporarily fixed as described above push the slits 37A and 37B of the packing 35 for preventing rainwater from entering, and spread the cables. The coaxial cable 47A is inserted through the insertion holes 36A and 36B.
The inner peripheral surfaces of the cable insertion holes 36A and 36B closely adhere to the outer peripheral surface of the 47B due to the elasticity of the rainwater intrusion prevention packing 35,
Improves the waterproof performance of the cable insertion area.

In FIG. 11, reference numeral 57 denotes a BS distributor, and 58 denotes a BS.
Booster 59 is a TV outlet compatible with BS,
The broken line in the figure indicates the power supply path. The cover 2
Is provided with a key portion 54. The key portion 54 is provided with a hole 55a for inserting the tip of a key (not shown) at one end of a rotation shaft 55 rotatably mounted on the cover 1, and the other end. Is provided with a locking piece (not shown) which goes into and out of the back side of the locking piece 56 provided at the end of the body 1 by rotation and is locked or released from the locking piece 56, If the cover 2 is locked with the body 1 closed, the cover 2 can be prevented from being opened without permission.

[0022]

According to the present invention, a plate body is formed by a synthetic resin body disposed along a wall surface and a cover having an upper end pivotally supported on the upper end of the body so as to be openable and closable. A connector for connecting the cable introduced into the plate main body through the opened cable insertion hole is provided on the body surface, and a temporary fixing portion having a substantially C-shaped cross section for press-fitting and holding the cable is integrally formed on the body surface. Because it formed
The cable to which tension is applied at the time of construction is press-fitted and held in the C-shaped concave portion of the temporary fixing portion and temporarily fixed, so that connection to the connector can be performed without reducing the tension, and
Therefore, the connection work at high places is easy, and the temporary fixing of the cable at the temporary fixing part after construction reduces the strain on the connector and improves the reliability of the connection. Since it is made of synthetic resin, the temporary fixing portion can be formed integrally with the body, so that there is an effect that it is not necessary to attach another component.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a plate main body according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a waterproof packing side according to one embodiment of the present invention.

FIG. 3 is a front view of the body according to the embodiment of the present invention.

FIG. 4 is a side view of one embodiment of the present invention.

FIG. 5 is a partially broken rear view of one embodiment of the present invention.

FIG. 6 is a partially broken bottom view of one embodiment of the present invention.

FIG. 7 is a front view of a rainwater infiltration preventing packing according to an embodiment of the present invention.

FIG. 8 is a side sectional view of a packing for preventing rainwater from entering according to one embodiment of the present invention.

FIG. 9 is a perspective view of the cover with the coaxial cable of the embodiment of the present invention attached thereto.

FIG. 10 is a perspective view showing a state where the coaxial cable according to the embodiment of the present invention is attached, the cover is closed, and the coaxial cable is attached to the waterproof packing.

FIG. 11 is a diagram showing an indoor wiring construction state according to an embodiment of the present invention.

FIG. 12 is a circuit diagram of a mixer according to an embodiment of the present invention.

FIG. 13 is a front view of a conventional example with a cover opened.

FIG. 14 is a bottom view of the conventional example with a cover opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Cover 32 Concave part 33A Temporary fixing part 33B Temporary fixing part 36A Cable insertion hole 36B Cable insertion hole 50A Connector 50B Connector

Claims (2)

(57) [Claims] 1. A plate body is formed by a synthetic resin body disposed along a wall surface and a cover having an upper end pivotally supported on the upper end of the body to open and close the cable. A connector for connecting the cable introduced into the plate body through the hole is provided on the body surface,
Incoming lines plate, characterized in that formed integrally with the temporary fixing portion you pressed hold the cable to the body surface. 2. The method according to claim 1, wherein the temporary fixing portion comprises a recess having a substantially C-shaped cross section.
The input wire plate according to claim 1, wherein: