JP4516828B2 - Branch and distributor - Google Patents

Description

  The present invention relates to a branch and distributor mainly used in a television joint reception system, and more particularly to a structure of the branch and distributor.

In a conventional branch and distributor, when a branch circuit or a distribution circuit is housed in a metal case and the metal case is mounted on a wall to be installed, a plurality of input / output connector seats connected to this circuit are provided. The case is configured to protrude from the outer wall serving as an upper surface and a lower surface of the case, and to be attached to the wall surface by an attachment plate formed so as to protrude from both side end portions of the metal case to the back surface.
(For example, see Patent Document 1)

Japanese Utility Model Publication No. 58-50724

However, according to the conventional branch and distributor, the installation range of the storage box and the like is limited, and when the branch and distributor are installed in a narrow place, the input / output connector seats are provided on the upper and lower surfaces. In order to arrange the coaxial cable connected to each plug seat in a predetermined direction, it is necessary to bend it while considering the minimum bending radius of the coaxial cable. As a result, there is a need for a space for bending and wiring the coaxial cable around the branch and distributor, which occupies a large proportion of the installation surface of the storage box and reduces the space for installing other equipment. there were.
In addition, with the start of digital terrestrial broadcasting and the spread of flat panel television receivers made of liquid crystal and PDP, distributors that distribute signals from television terminals are not only placed on the back of television receivers, but also on the back of televisions. In many cases, it is necessary to provide a clean wiring by storing it in an AV rack or the like, and the conventional configuration makes it difficult to install.
Therefore, in this application, it was made to solve these problems.
The aim is to provide a branch and distributor that is easy to install in tight spaces.
Another object of the present invention is to provide a branching and distributing device in which the wiring direction can be selected.
Another object is to provide a branch and distributor that is inexpensive and easy to work with.
Another object is to provide a highly versatile branch and distributor with low mold costs and thus low product costs.

In order to solve the above-mentioned problems, the invention of claim 1 has circuit means for branching and distributing transmission signals inside the main body, and the circuit means and others are connected to the outer wall of the main body via a transmission path. In a branch and distributor having a plurality of coaxial connector seats for connecting to the equipment of
The main body includes a coaxial plug seat that protrudes in the same direction so that the axis of the coaxial plug seat is arranged in parallel on one surface of the main body, and the coaxial plug seat in the main body. At both ends of the main body between both side surfaces located in the arrangement direction and the coaxial connecting seat disposed on the outermost side of the coaxial connecting seat, fixing screws are attached to the surface on which the main body is to be installed. It has an insertion hole for inserting a set screw that can be fixed using
The insertion holes are used for insertion of fixing screws, which are respectively provided so that the main body is fixed in parallel with the protruding direction of the coaxial socket seat on the surface on which the main body is to be installed using fixing screws. For fixing screw insertion provided to fix the first and third insertion holes and the protruding direction of the coaxial socket seat orthogonally to the surface on which the main body is to be installed by using a fixing screw. A second insertion hole is provided,
Each insertion hole is provided with a step portion on the inner peripheral surface, and a large-diameter portion that is provided from the opening portion formed on the insertion / removal direction side of the set screw to the step portion so as to be connected to the step portion. And a small-diameter portion disposed from the step portion to the opening formed on the installation surface side for installation on the surface to be installed,
The first insertion hole and the third insertion hole are arranged so that their central axes are arranged in parallel and the arrangement directions of the large diameter portion and the small diameter portion are opposed to each other.

According to a second aspect of the present invention, there is provided the branching and distributing device according to the first aspect, wherein the first insertion hole and the third insertion hole are arranged such that the central axes thereof are arranged in parallel, and the large diameter portion and the small diameter are arranged. The first insertion hole and the second insertion hole are arranged so that their central axes are orthogonally arranged, and the intersection of the central axes is the first insertion hole . It arrange | positioned so that it may be located in the large diameter part and the large diameter part of the said 2nd insertion hole .

  According to a third aspect of the present invention, in the branching and distributing device according to the first or second aspect, the main body accommodates the main body and has a size that penetrates the head of the coaxial connector seat. A decorative case is provided in which a hole and a through hole having a size for inserting the fixing screw are formed at a position facing the opening of the insertion hole.

The invention of claim 4 has circuit means for branching and distributing the transmission signal inside the main body, and a plurality of parts for connecting the circuit means and other devices via a transmission path on the outer wall of the main body. In a branch and distributor having a coaxial connector seat of
The main body is provided with a plurality of coaxial connector seats so as to protrude in the same direction so that the axes of the plurality of coaxial connector seats are arranged in parallel on one surface of the main body,
The main body is provided with a decorative case that houses the main body and has a through-hole having a size through which the heads of the plurality of coaxial connector seats pass,
At both ends in the arrangement direction of the coaxial connector seats in the decorative case, an insertion hole for inserting a fixing screw formed so as to be fixed to a surface on which the main body is to be installed using a fixing screw is provided. Let
The insertion holes are used for insertion of fixing screws, which are respectively provided so that the main body is fixed in parallel with the protruding direction of the coaxial connector seat on the surface on which the main body is to be installed using fixing screws. For fixing screws inserted in order to fix the first and third insertion holes and the protruding direction of the coaxial connector seat to the surface on which the main body is to be installed by being orthogonally arranged using a fixing screw. A second insertion hole is provided,
Each insertion hole is provided with a step portion on the inner peripheral surface, and a large-diameter portion that is provided from the opening portion formed on the insertion / removal direction side of the set screw to the step portion so as to be connected to the step portion. And a small-diameter portion disposed over an opening formed on the installation surface side for installation on the surface to be installed from the stepped portion,
The first insertion hole and the third insertion hole are arranged so that the central axes thereof are arranged in parallel and the arrangement directions of the large diameter portion and the small diameter portion are opposed to each other.

According to the first aspect of the present invention, the main body has circuit means for branching and distributing the transmission signal, and the outer wall of the main body is connected to the circuit means and other devices via the transmission path. In the branch and distributor having a plurality of coaxial connector seats, the main body is coaxial so as to protrude in the same direction so that the axis of the coaxial connector seat is arranged in parallel on one surface of the main body. At both ends of the main body between the plug seat, both side surfaces of the main body located in the arrangement direction of the coaxial plug seat, and the coaxial plug seat disposed on the outermost side of the coaxial plug seat Is provided with an insertion hole for inserting a fixing screw formed so that it can be fixed to the surface on which the main body is to be installed using a fixing screw, and the insertion hole is formed so that the main body protrudes from the coaxial socket seat. Fix the direction to the surface on which the main body is to be installed by using parallel set screws. For this purpose, the first and third insertion holes for inserting the fixing screws and the protruding directions of the coaxial socket seats are arranged orthogonally on the surface on which the main body is to be installed using the fixing screws. A second insertion hole for inserting a fixing screw is provided for fixing, and each insertion hole is provided with a step portion on an inner peripheral surface, and is connected to the step portion to connect the fixing screw. A large diameter portion arranged from the opening formed on the screw insertion / removal direction side to the stepped portion and an opening formed on the installation surface side for installation on the surface to be installed from the stepped portion. The first insertion hole and the third insertion hole are arranged so that their central axes are arranged in parallel and the arrangement directions of the large diameter part and the small diameter part are opposed to each other. since the set,
The main body fixes the protruding direction of the coaxial connector seat parallel to the surface on which the main body is to be installed using a fastening screw, or the protruding direction of the coaxial connector seat is the surface on which the main body is to be installed. The mounting direction can be selectively selected according to the condition of the installation location, for example, by using a coaxial screw seat even in the vicinity of the wall of the building. Wiring can be performed so that the protruding direction of the connected coaxial cable is opposite to the wall surface, and even in a narrow place where the vertical space is narrowly partitioned, such as an AV rack, it is orthogonal to the wall surface. By installing the coaxial cable so that it protrudes in the direction in which the coaxial cable protrudes, the coaxial cable can be easily wired without undue bending radius and without affecting the electrical characteristics.
Furthermore, since the first, second and third insertion holes are arranged at both ends of the main body, the length of the main body in the longitudinal direction can be shortened, and the branch and distributor can be downsized. it can.

According to a second aspect of the present invention, in the branching and distributing device according to the first aspect, the first insertion hole and the third insertion hole are arranged so that their central axes are arranged in parallel, and wherein is disposed so as to face the array direction of the small diameter portion, said first insertion hole and the second insertion hole is disposed perpendicularly to the central axis of the respective insertion intersection of the first of said central axis Since the large diameter portion of the hole and the large diameter portion of the second insertion hole are located,
For example, the dimension of the large diameter portion is formed to be slightly larger than the diameter of the screw head of the fixing screw, and the small diameter portion is formed to be smaller than the diameter of the screw head so that the screw portion of the fixing screw is inserted, Even when the fixing screw is inserted into the insertion hole, the screw head of the fixing screw presses the step formed in the insertion hole to fix the main body to the mounting surface. It is possible to provide a branching and distributing device in which an insertion hole is provided in which the strength of the main body can be sufficiently obtained with respect to the fastening screw.

According to a third aspect of the present invention, in the branching and distributing device according to the first or second aspect, the main body accommodates the main body and has a size that penetrates the head of the coaxial connector seat. Since a decorative case in which a hole and a through-hole having a size for inserting the fixing screw are provided at a position facing the opening of the insertion hole,
A branching and distributing device having an excellent appearance can be provided without processing the main body.

In the invention of claim 4, the main body is provided with a decorative case in which the main body is housed and a through hole having a size through which the heads of the plurality of coaxial socket seats pass is formed.
First and second fixing screw insertions are formed at both ends in the arrangement direction of the coaxial connector seats in the decorative case so as to be fixed to the surface on which the main body is to be installed using fixing screws. Since the second and third insertion holes were provided ,
For example, the shape of the main body formed of a metal material such as aluminum die casting can be reduced, and the size and weight can be reduced. As a result, the product can be reduced in size and weight.

Hereinafter, an example of an embodiment embodying the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a main body of a branching and distributing device according to the present invention. 2A shows a cross-sectional view when viewed from the AA line direction shown in FIG. 1, and FIG. 2B shows a cross-sectional view when viewed from the BB line direction shown in FIG. FIG. 3 shows a perspective view of a branch and distributor according to another embodiment of the present invention. FIG. 4 is a perspective view of a branch and distributor according to another embodiment of the present invention, and FIG. 5 is a cross-sectional view taken along line CC in FIG. FIG. 6 shows a system example of a television receiving system using the branching and distributing device of the present invention.

Reference numeral 1 shown in the figure denotes a branching and distributing device according to the present invention. In order to facilitate the explanation, details of the distributing device will be described unless otherwise specified.
In FIGS. 1 and 2, reference numeral 10 denotes a main body, for example, an aluminum die cast formed by a mold. The main body 10 is formed in a box shape in which one end of the main body 10 (the bottom surface 11 in this figure) is opened. The opening 11 has a structure in which a lid 9 made of a metal material (for example, aluminum material) is fixed by press-fitting or the like, so that the lid 9 and the main body 10 are firmly fixed, and an interference wave from the outside, etc. It is configured to reduce intrusion. The main body 10 contains circuit means including a printed circuit board 5 on which a distribution circuit is formed.
Further, in the embodiment shown in this figure, on the side surface 12 (upper surface in FIG. 1) of the main body 10, there are F-type plug seats 20a to 20e formed integrally with the main body 10, and the axis of the plug seat is a side surface. 12 is formed so as to be connected to the circuit means 5 and other devices. The connecting seat 20 may be fixed to the side surface 12 of the main body 10 by means such as crimping or caulking.
As described above, since the coaxial connector seats 20 are all formed in the same direction, the mold structure is simplified, and the cost of the product can be reduced.

Between the side surfaces 13, 13 on both sides of the main body 10 positioned in the arrangement direction of the coaxial connector seats 20, and the coaxial connector seats 20 a, 20 e disposed on the outermost side of the coaxial connector seat 20. The main body 10 is arranged at both end portions 8 and 8 of the main body 10 in such a manner that the protruding direction of the coaxial connector seat 20 is arranged in parallel with the surface 40 on which the main body 10 is to be installed, and is fixed using fastening screws. The first insertion hole 21 and the third insertion hole 23 for inserting the fixing screws, and the protruding direction of the coaxial connector seat 20 are arranged orthogonally to the surface 40 on which the main body 10 is to be installed. , A second insertion hole 22 is formed so as to be provided for insertion of a fixed set screw for fixing with a set screw.
As shown in FIG. 2, in the embodiment of these insertion holes, a step portion 21a is provided on the inner peripheral surface of the first insertion hole 21, and at least the step portion 21a is connected to the stop portion. A large-diameter portion 41a disposed from the opening portion 14a to the step portion 21a formed on the side surface 14 on the insertion / removal direction side of the screw, and an installation surface 15 for installation on the surface to be installed from the step portion 21a. And a small-diameter portion 41b disposed over the opening 15a formed on the side.
Further, the third insertion hole 23 is provided with a step portion 23a on the inner peripheral surface, and at least an opening formed on the side surface 15 on the insertion / removal direction side of the fixing screw so as to be connected to the step portion 23a. A large-diameter portion 43a disposed from the portion 15b to the step portion 23a, and a small-diameter portion disposed from the step portion 23a to the opening portion 14b formed on the installation surface 14 side for installation on the surface to be installed. 43b, and the central axes of the first insertion hole 21 and the third insertion hole 23 so that the arrangement directions of the large diameter portions 41a and 43a and the small diameter portions 41b and 43b face each other. Are arranged in parallel.

Furthermore, the second insertion hole 22 is provided with a step portion 22a on the inner peripheral surface, and at least an opening formed on the side surface 12 on the insertion / removal direction side of the set screw in a continuous manner with the step portion 22a. A large diameter portion 42a disposed from the portion 12a to the step portion 22a, and a small diameter portion disposed from the step portion 22a to the opening portion 11a formed on the installation surface 11 side for installation on the surface to be installed. 42b, the central axis of the second insertion hole 22 and the central axes of the first insertion hole 21 and the third insertion hole 23 are orthogonally arranged, and the first and first The central axes of the second and third insertion holes are formed so as to be disposed on a plane orthogonal to the arrangement direction of the coaxial connector seats at the both end portions 8.
By forming the insertion hole in this way, the space required to form the insertion hole can be minimized, and the longitudinal dimension of the main body 10 can be reduced.
In addition, as shown in the embodiment of the present application, for example, the dimensions of the large diameter portions 41a, 42a, 43a are formed slightly larger than the diameter of the screw head of the set screw, and the small diameter portions 41b, 42b, 43b are The screw body of the set screw is formed so as to be inserted smaller than the diameter of the screw head, the set screw is inserted into the insertion hole, and the set screw is screwed to the mount surface. If the fixing screw is configured to be fixed to the fixing screw, the size of the fixing screw can be shortened, and the fixing screw does not protrude from the peripheral surface of the main body, so that the appearance is not impaired.
In addition, if a projecting piece is formed on the inner surface of the small-diameter portion and the fixing screw is pre-screwed (in the shipping state) to the projecting piece, the convenience is further improved. .

In addition, when the step inside the insertion hole is tightened with a set screw, the structure of the main body part interposed between the step and the mounting surface is tightened with the set screw. Sufficient strength must be obtained. Therefore, in the embodiment of the present application, the first insertion hole 21 and the second insertion hole 22 are arranged so that the central axes thereof are orthogonally arranged, and the intersection of the central axes is the large diameter of the first insertion hole 21. The insertion hole is overlapped and disposed on the same plane so as to be positioned at the large diameter portion 43a of the portion 41a and the third insertion hole 23, so that the main body 10 has the coaxial plug seat. Even when the protruding direction of 20 is fixed to the surface on which the main body 10 is to be installed in parallel by using a fastening screw, the protruding direction of the coaxial connector seat 20 is the surface on which the main body 10 is to be installed. Even if the fixing screw is used to fix the fixing screw at right angles, the strength of the insertion hole can be obtained when the fixing screw is attached to the stepped portion. Can be provided.

Next, the identification unit 3 will be described. In the embodiment of the present application, it is a position between one coaxial connector seat 20a disposed on the outermost side of the coaxial connector seat 20 and the coaxial connector seat 20b adjacent to the coaxial connector seat 20a. The concave portion is integrally formed over the entire circumferential surface of the main body 10 at a position on a plane orthogonal to the arrangement direction of the coaxial connector seats 20. According to the identification unit 3, whether the installation place is a dark place or a narrow place, and the protruding direction of the coaxial connector seat 20 is arranged in parallel with the attachment face, the attachment face Even in the state of being arranged orthogonally to each other, the position of one coaxial connector seat 20a disposed on the outermost side of the coaxial connector seat 20 can always be determined instantly by simply touching it with a fingertip without searching for it. is there. That is, for example, if the coaxial connector seat 20a located in the center with respect to the 2-distributor, 3-distributor, and 4-distributor is used as the input terminal, the molds of the main body constituting the 2-distributor and 4-distributor are different. However, since the output terminal is arranged symmetrically with respect to the input terminal, it is easy to identify the input terminal. However, considering that a 3-distributor is made, this 3-distributor is used for the 4-distributor. It is conceivable to make use of the main body. As a result, since the arrangement of the output terminals is not symmetric with respect to the output terminals, it is difficult to identify the input terminals. However, as in the present application, one coaxial connecting seat 20a disposed on the outermost side is used as the input terminal. The position of the input terminal of any branching device / distributor 1 can be determined by providing the identification unit 3 between the coaxial connector seat 20a and the adjacent coaxial connector seat 20b. It is possible to provide a branching and distributing device 1 that can be common to all models and that does not impair the ease of identification, regardless of the mounting direction, which is not easy to visually recognize. .
In the case of a branching device, the same effect can be obtained by defining the other coaxial connecting seat on the outermost side as an output terminal.

3 and 4 show different embodiments of the distributor 1 of the present invention. In the embodiment of FIG. 3, the main body 10 of the first embodiment accommodates the main body 10 and has a through hole of a size not shown that penetrates the head of the coaxial connector seat 20. Through holes 32 a, 32 a, 34 a, large enough to be inserted into the fixing screws at positions facing the openings of the insertion holes on the side surfaces 32, 33, 34 and side surfaces 31 (bottom surface), 35 (rear surface) (not shown). 34a, 34b, 34b, one coaxial connector seat 20a disposed on the outermost side of the coaxial connector seat 20, and a position between the coaxial connector seat 20a and the adjacent coaxial connector seat 20b. An example in which the decorative case 2 including the identification portion 3 formed on the entire peripheral surface of the main body 10 so as to be positioned on a plane orthogonal to the arrangement direction of the coaxial connector seats 20 is shown.
The decorative case 2 is molded using a synthetic resin material, and is divided and molded so that the main body 2 is accommodated by an upper cover 37 and a lower cover 39.
Since the cosmetic case 2 is provided so as to cover the main body 10 in this way, the main body 10 does not need to be subjected to costly coating or the like, so that it is possible to provide excellent branching with low cost and features in the design. A distributor 1 can be provided.
Further, as shown in FIGS. 4 and 5, the first, second and third insertion holes 21, 22, 23 are connected to both end portions 38, 38 in the arrangement direction of the coaxial connector seat 20 in the decorative case 2. If it is formed, the body 10 formed of a metal material such as aluminum die casting does not require a space for forming an insertion hole, so that the shape of the body 10 can be reduced and the body 10 can be reduced in size and weight. As a result, the product can be made smaller and lighter.
Further, a concave portion 25 is formed in the peripheral portion of the receptacle seat 20 of the decorative case 2 so as to be concentric with the receptacle seat. The connector plug is mounted on the main body by accommodating a plug seat housing portion formed in a cylindrical shape for housing the plug seat provided in a connector plug (not shown) attached to the plug seat 20. Space-saving can be achieved by making the size protruding from 10 smaller.

Next, an example in which the distributor of the present invention is used in a television receiving system will be described.
FIG. 6A shows an example in which the main body 10 of the duplexer 1 of the present invention is disposed on the back surface of a television receiver or the like.
A television signal drawn from the television terminal 56 via a coaxial cable is input to the distributor 1. This distributor is a four distributor, and three of the output terminals are an terrestrial digital broadcast signal input terminal 51 provided in the television receiver 50, and a VHF broadcast signal and terrestrial analog broadcast signal input terminal 52. , BS / CS satellite broadcast signal input terminals are respectively supplied via coaxial cables.
A duplexer 55 is connected to the remaining one of the output terminals. The demultiplexer 55 demultiplexes and outputs the VHF and UHF signals and the BS / CS signal. The output of the demultiplexer 55 is connected to, for example, the VU input terminal 60a of the VTR 60 via a coaxial cable. Input to BS / CS input terminal. Reference numeral 65 denotes a DVD recorder or the like.
FIG. 6B shows a case where the distributor 1 is stored in an AV rack or the like. This embodiment shows an example in which a distributor is efficiently arranged in an AV rack having a restriction in the height direction. The side surface of the AV rack is used as a mounting surface 40, and the connecting seat of the distributor 1 is orthogonal to the mounting surface. It can be easily arranged in a narrow place by attaching it in accordance with the direction to be done.

Thus, according to the branching and distributing device 1 of the present invention, the mounting direction of the plug seat 20 is formed on the side surface 12 side of the main body 10 and the direction of the plug seat 20 is perpendicular to the mounting surface 40. Or can be installed in a direction in which the direction of the connecting seat 20 is arranged in parallel to the mounting surface 40, or can be installed freely. Therefore, the mounting surface 40 for mounting the branch and distributor 1 is narrow. Even when wall surfaces or obstacles are close to each other, it is possible to provide a highly versatile branch and distributor 1 that can be arranged according to the installation location. In addition, one coaxial connector seat 20a disposed on the outermost side as in the present application is defined as an input terminal, and the above-described identification is made between the coaxial connector seat 20a and the adjacent coaxial connector seat 20b. By providing the unit 3, the position of the input terminal can be common to all models regardless of the number of branches and distributors 1 and the number of branches and distributors 1. Regardless of the direction of attachment, since the identification portion 3 is formed over the entire circumference of the main body or the outer surface of the decorative case 2, the branch and distributor 1 that does not impair the ease of terminal identification can be provided. It can be provided.
Note that the present invention is not limited to the above-described embodiment, and the configuration of each part can be appropriately changed and implemented without departing from the spirit of the present invention.

It is a perspective view which shows the main body of the branch and divider | distributor which concerns on this invention. (A) is the sectional view on the AA line in FIG. 1, (b) is the sectional view on the BB line in FIG. It is a perspective view which shows the Example from which the branch and distributor which concern on this invention differ. It is a perspective view which shows the Example from which the branch and distributor which concern on this invention differ. It is CC sectional view taken on the line in FIG. 1 shows a system example of a television receiving system using the branching and distributing device of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Distributor (branch device), 2 ... Cosmetic case, 3 ... Identification part , 5 ... Printed circuit board, 8 ... Both ends, 9 ... Lid body, 10 ... Main body, 11 ... Bottom, 11a ... Opening part, 12 ... Side , 12a ... opening, 13 ... side, 14 ... side, 14a ... opening, 15 ... installation surface, 15a ... opening, 20a-20e ... coaxial connector seat, 21 ... first insertion hole, 21a ... step 22 ... second insertion hole, 22a ... step portion, 23 ... third insertion hole, 23a ... step portion, 25 ... concave portion, 31 ... bottom surface of the makeup case, 32 ... side surface of the makeup case, 32a ... of the makeup case Opening 33, side of makeup case, 34 ... side of makeup case, 34a ... opening of makeup case, 35 ... installation surface of makeup case, 38 ... both ends of makeup case, 39 ... lid of makeup case, 40 ... mounting surface, 41a ... large diameter part, 41b ... small diameter part, 42a ... large diameter part, 42b Small diameter portion, 43a ... large diameter portion, 43b ... small diameter portion, 50 ... TV receiver, 51 ... terrestrial digital broadcast signal input terminal, 52 ... VHF / UHF input terminal, 53 ... BS / CS input terminal, 55 ... VU / BS (CS) duplexer, 56 ... TV terminal, 60 ... VTR, 60a ... VU input terminal, 60b ... BS / CS input terminal, 65 ... DVD recorder.

Claims (4)

The main body has circuit means for branching and distributing the transmission signal, and the outer wall of the main body has a plurality of coaxial connector seats for connecting to the circuit means and other devices through the transmission path. In branch and distributor,
The main body includes a coaxial plug seat so as to protrude in the same direction so that the axis of the coaxial plug seat is arranged in parallel on one surface of the main body, and the coaxial plug seat in the main body. At both ends of the main body between both side surfaces located in the arrangement direction and the coaxial connecting seat disposed on the outermost side of the coaxial connecting seat, fixing screws are attached to the surface on which the main body is to be installed. It has an insertion hole for inserting a set screw that can be fixed using
The insertion holes are used for insertion of fixing screws, which are respectively provided so that the main body is fixed in parallel with the protruding direction of the coaxial socket seat on the surface on which the main body is to be installed using fixing screws. For fixing screw insertion provided to fix the first and third insertion holes and the protruding direction of the coaxial socket seat orthogonally to the surface on which the main body is to be installed by using a fixing screw. A second insertion hole is provided,
Each insertion hole is provided with a step portion on the inner peripheral surface, and a large-diameter portion that is provided from the opening portion formed on the insertion / removal direction side of the set screw to the step portion so as to be connected to the step portion. And a small-diameter portion disposed from the step portion to the opening formed on the installation surface side for installation on the surface to be installed,
The first insertion hole and the third insertion hole are arranged so that respective central axes are arranged in parallel and the arrangement directions of the large diameter portion and the small diameter portion are opposed to each other. Branch and distributor. The first insertion hole and the third insertion hole are arranged so that the central axes thereof are arranged in parallel and the arrangement directions of the large diameter portion and the small diameter portion are opposed to each other,
The first insertion hole and the second insertion hole have their center axes orthogonally arranged, and the intersection of the center axes is the large diameter portion of the first insertion hole and the second insertion hole . 2. The branching and distributing device according to claim 1, wherein the branching and distributing device is disposed so as to be located at a diameter portion. The main body accommodates the main body, and has a size through which the fixing screw is inserted at a position facing the opening of the insertion hole and a through hole having a size penetrating the head of the coaxial connector seat. The branch and distributor according to claim 1 or 2, further comprising a decorative case in which a through hole is formed. The main body has circuit means for branching and distributing the transmission signal, and the outer wall of the main body has a plurality of coaxial connector seats for connecting to the circuit means and other devices via the transmission path. In the branch and distributor
The main body is provided with a plurality of coaxial connector seats so as to protrude in the same direction so that the axes of the plurality of coaxial connector seats are arranged in parallel on one surface of the main body,
The main body is provided with a decorative case that houses the main body and has a through-hole having a size through which the heads of the plurality of coaxial connector seats pass,
At both ends in the arrangement direction of the coaxial connector seats in the decorative case, an insertion hole for inserting a fixing screw formed so as to be fixed to a surface on which the main body is to be installed using a fixing screw is provided. The insertion holes are fixed screw insertions provided so as to be opposed to each other so that the protruding direction of the coaxial connector seat is arranged in parallel on the surface on which the main body is to be installed using fixing screws. Fixing screws that are paired to fix the first and third insertion holes and the protruding direction of the coaxial connector seat to the surface on which the main body is to be installed by using a fixing screw. A second insertion hole is provided for insertion;
Each insertion hole is provided with a step portion on the inner peripheral surface, and a large-diameter portion that is provided from the opening portion formed on the insertion / removal direction side of the set screw to the step portion so as to be connected to the step portion. And a small-diameter portion disposed over an opening formed on the installation surface side for installation on the surface to be installed from the stepped portion,
The first insertion hole and the third insertion hole are arranged so that respective central axes are arranged in parallel and the arrangement directions of the large diameter portion and the small diameter portion are opposed to each other. Branch and distributor.

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