CN210351524U

CN210351524U - Audio junction box

Info

Publication number: CN210351524U
Application number: CN201921605065.3U
Authority: CN
Inventors: 谢兵; 陈鹏; 王小蓓; 周启智
Original assignee: Huanglongtan Hydroelectric Power Plant Of State Grid Hubei Electric Power Co ltd; State Grid Corp of China SGCC
Current assignee: Huanglongtan Hydroelectric Power Plant Of State Grid Hubei Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-17
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to an audio frequency separated time technical field, and an audio frequency branch box is disclosed, the power distribution box comprises a box body, the upper end of box is equipped with the opening, and the opening part is equipped with the apron, the equal fixedly connected with annular piece of both ends upside about the box, the bolt has been cup jointed in the annular piece, the lower extreme of apron passes through screw hole and bolt threaded connection, the bottom inner wall fixedly connected with installation piece of box, the left and right sides of installation piece runs through the rectangle through-hole of seting up a plurality of evenly distributed, the downside fixedly connected with conducting strip of a plurality of rectangle through-holes, one side fixedly connected with copper post of installation piece, and copper post and a plurality of conducting strip fixed connection, all through the sleeve pipe of a plurality of evenly distributed of through-. The utility model discloses, can press from both sides tightly fixedly to the audio line for the audio line is difficult for the pine to take off, and the workman high-speed joint audio line of also can being convenient for simultaneously can effectual increase junction box entrance exit department's leakproofness moreover.

Description

Audio junction box

Technical Field

The utility model relates to an audio frequency separated time technical field especially relates to an audio frequency branch box.

Background

Audio signal cables are divided into two major categories, civilian and professional. If the professional audio equipment is used for interfacing with the audio frequency of a television station, the format of a communication cable is mostly used. Conventional single mode and multi-mode cables, and commercial communications-format connectors are used to tap the audio signal cable. The audio distribution box is a switching device for switching a cable to a plurality of places, and the conventional method is to cut off the cable and then switch the cable through a terminal or a distribution box.

In the prior art, although the junction box of the audio cable can divide an audio cable into a plurality of audio cables when in use, the junction box cannot effectively clamp and fix the audio cable when in use, so that the audio cable is easy to fall off, and the wire inlet and outlet on the junction box cannot be effectively sealed, so that the joint in the junction box is easy to oxidize.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art branch box and can not effectually press from both sides tight fixedly to the audio line for the audio line drops easily, and business turn over port department on the branch box can not effectual sealed problem moreover, and the audio frequency branch box that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an audio branch box comprises a box body, wherein an opening is formed in the upper end of the box body, a cover plate is arranged at the opening, annular blocks are fixedly connected to the upper sides of the left end and the right end of the box body respectively, bolts are sleeved in the annular blocks, the lower end of the cover plate is in threaded connection with the bolts through threaded holes, an installation block is fixedly connected to the inner wall of the bottom of the box body, a plurality of uniformly distributed rectangular through holes are arranged on the left side and the right side of the installation block in a penetrating mode, conducting strips are fixedly connected to the lower sides of the rectangular through holes, a copper column is fixedly connected to one side of the installation block and is fixedly connected with the conducting strips, a plurality of uniformly distributed sleeves are fixedly connected to the left side and the right side of the box body through holes, connecting pipes are arranged in the sleeves respectively, external threads are arranged on, two grooves are symmetrically formed in the pipe orifice at one end of the sleeve, a fixing plate is rotatably connected into the two grooves through a shaft pin, and a clamping groove of an arc-shaped structure is formed in one end of the fixing plate.

Preferably, it is a plurality of equal sliding connection has the arc in the rectangle through-hole, the upper end of installation piece has spacing bolt through screw hole threaded connection, spacing bolt's lower extreme passes the screw hole and rotates through the upper end of antifriction bearing with the arc to be connected, the even fixedly connected with a plurality of triangle lugs of lower extreme of arc.

Preferably, the annular rubber plate of horn-shaped structure is fixedly connected in the sleeve, one end of the annular rubber plate extends into the connecting pipe, and an annular silicon rubber block is fixedly connected in the connecting pipe

Preferably, two obliquely arranged elastic pieces are fixedly connected to the inner edge of the opening at one end of the sleeve symmetrically, and one end, far away from the sleeve, of each elastic piece is in contact connection with the fixing plate.

Preferably, the lower end of the cover plate is provided with a rectangular groove, and a rubber sheet is fixedly connected in the rectangular groove.

Preferably, the conducting plate and the arc-shaped plate are both made of copper.

Compared with the prior art, the utility model provides an audio frequency branch box possesses following beneficial effect:

1. this audio frequency branch box, through setting up the connecting pipe in the cover, twist the connecting pipe with the spanner, external screw thread on the connecting pipe makes connecting pipe extrusion annular rubber board with the internal thread interact in the cover, annular rubber board atress shrink is to audio frequency fastener tight seal, thereby can increase the leakproofness of junction box business turn over mouth department, annular rubber board atress warp extrusion fixed plate simultaneously, the insulating layer contact with the audio frequency line is removed in the fixed plate atress, and then presss from both sides tight audio frequency line, make the audio frequency line difficult drop when receiving external force to drag.

2. This audio frequency branch box through setting up the copper post on the conducting strip for a plurality of conducting strips can communicate, pass the wire in the annular silica gel piece, and place the sinle silk of audio frequency line on the conducting strip, twist spacing bolt with the spanner, spacing bolt makes arc extrusion sinle silk and conducting strip contact with screw hole interact, thereby can the high-speed joint audio frequency line, connect firm difficult not hard up moreover.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses, can press from both sides tightly fixedly to the audio line for the audio line is difficult for the pine to take off, and the leakproofness that can effectual increase junction box entrance exit moreover also can be convenient for workman high-speed joint audio line simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an audio distribution box according to the present invention.

Fig. 2 is a top view of the box body and the mounting block in the audio distribution box provided by the utility model.

Fig. 3 is an enlarged view of a structure at a in fig. 1.

In the figure: the device comprises a box body 1, a copper column 2, a rubber sheet 3, a limiting bolt 4, an installation block 5, a cover plate 6, an annular block 7, an annular rubber plate 8, a connecting pipe 9, a sleeve 10, a fixing plate 11, a conducting sheet 12, an arc-shaped plate 13, a triangular bump 14, an annular silica gel block 15, an elastic sheet 16 and a groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an audio distribution box comprises a box body 1, an opening is arranged at the upper end of the box body 1, a cover plate 6 is arranged at the opening, a rectangular groove is arranged at the lower end of the cover plate 6, a rubber sheet 3 is fixedly connected in the rectangular groove, the sealing performance between the cover plate 6 and the box body 1 is improved, annular blocks 7 are fixedly connected to the upper sides of the left end and the right end of the box body 1 respectively, bolts are sleeved in the annular blocks 7, the lower end of the cover plate 6 is in threaded connection with the bolts through threaded holes, a mounting block 5 is fixedly connected to the inner wall of the bottom of the box body 1, a plurality of rectangular through holes are uniformly distributed and penetrate through the left side and the right side of the mounting block 5, conducting plates 12 are fixedly connected to the lower sides of the plurality of rectangular through holes, a copper column 2 is fixedly connected to one side of the mounting block 5, the copper column 2 is fixedly connected, the lower end of the limiting bolt 4 penetrates through the threaded hole and is rotatably connected with the upper end of the arc-shaped plate 13 through a rolling bearing, the lower end of the arc-shaped plate 13 is uniformly and fixedly connected with a plurality of triangular convex blocks 14, the conducting plate 12 and the arc-shaped plate 13 are made of copper, the left side and the right side of the box body 1 are both fixedly connected with a plurality of uniformly distributed sleeves 10 through holes, connecting pipes 9 are arranged in the plurality of sleeves 10, external threads are arranged on the pipe wall of each connecting pipe 9, internal threads matched with the external threads are arranged in the sleeves 10, two grooves 17 are symmetrically arranged in the pipe orifice at one end of each sleeve 10, a fixing plate 11 is rotatably connected in the two grooves 17 through a shaft pin, a clamping groove of an arc-shaped structure is arranged at one end of the fixing plate 11, two elastic sheets 16 which are obliquely arranged are fixedly connected in the pipe orifice at one, fixedly connected with horn-shaped structure's annular rubber slab 8 in the sleeve pipe 10, in the one end of annular rubber slab 8 extended to connecting pipe 9, fixedly connected with annular silica gel piece 15 in the connecting pipe 9, annular silica gel piece 15 can block the sewage of the mouth of pipe department splash-in of connecting pipe 9 down.

The utility model discloses in, during the use, pass the audio line in the annular silica gel piece 15, and place the sinle silk of audio line on conducting strip 12, twist spacing bolt 4 with the spanner, spacing bolt 4 makes arc 13 extrusion sinle silk and conducting strip 12 contact with screw hole interact, thereby can the high-speed joint audio line, and connect firm difficult not hard up, twist connecting pipe 9 with the spanner, external screw thread on the connecting pipe 9 makes connecting pipe 9 extrude annular rubber slab 8 with the internal thread interact in the sleeve pipe 10, annular rubber slab 8 atress shrink is to audio line clamp closedly sealed, thereby can increase the leakproofness of junction box business turn over mouth department, annular rubber slab 8 atress warp extrusion fixed plate 11 simultaneously, fixed plate 11 atress removes the insulating layer contact with the audio line, and then press from both sides tight audio line, make the audio line difficult droing when receiving external force to drag.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An audio distribution box comprises a box body (1) and is characterized in that an opening is formed in the upper end of the box body (1), a cover plate (6) is arranged at the opening, annular blocks (7) are fixedly connected to the upper sides of the left end and the right end of the box body (1), bolts are sleeved in the annular blocks (7), the lower end of the cover plate (6) is in threaded connection with the bolts through threaded holes, an installation block (5) is fixedly connected to the inner wall of the bottom of the box body (1), a plurality of uniformly distributed rectangular through holes are formed in the left side and the right side of the installation block (5) in a penetrating mode, a plurality of conductive plates (12) are fixedly connected to the lower sides of the rectangular through holes, a copper column (2) is fixedly connected to one side of the installation block (5), the copper column (2) is fixedly connected with the conductive plates (12), a plurality of uniformly distributed sleeves (10) are fixedly connected to the left side, it is a plurality of all be equipped with connecting pipe (9) in sleeve pipe (10), the external screw thread has been seted up on the pipe wall of connecting pipe (9), set up in sleeve pipe (10) with external screw thread matched with internal thread, two recess (17), two have been seted up along the symmetry in the one end mouth of pipe department of sleeve pipe (10) all be connected with fixed plate (11) through pivot rotation in recess (17), and the draw-in groove of arc structure is seted up to the one end of fixed plate (11).

2. The audio distribution box according to claim 1, wherein an arc-shaped plate (13) is slidably connected in each of the plurality of rectangular through holes, the upper end of the mounting block (5) is in threaded connection with a limit bolt (4) through a threaded hole, the lower end of the limit bolt (4) passes through the threaded hole and is rotatably connected with the upper end of the arc-shaped plate (13) through a rolling bearing, and the lower end of the arc-shaped plate (13) is uniformly and fixedly connected with a plurality of triangular convex blocks (14).

3. The audio distribution box according to claim 1, characterized in that a ring-shaped rubber plate (8) with a trumpet-shaped structure is fixedly connected in the sleeve (10), one end of the ring-shaped rubber plate (8) extends into the connecting pipe (9), and a ring-shaped silica gel block (15) is fixedly connected in the connecting pipe (9).

4. The audio distribution box according to claim 1, wherein two obliquely arranged elastic pieces (16) are symmetrically and fixedly connected in the opening at one end of the sleeve (10), and one end of each elastic piece (16) far away from the sleeve (10) is in contact connection with the fixing plate (11).

5. The audio distribution box according to claim 1, wherein the lower end of the cover plate (6) is provided with a rectangular groove, and a rubber sheet (3) is fixedly connected in the rectangular groove.

6. The audio distribution box according to claim 1, wherein the conductive sheet (12) and the arc-shaped plate (13) are made of copper.