TWM465682U - Audio cable plug - Google Patents

Description

Audio cable plug

The present invention relates to a plug, and more particularly to a plug for a sound source line for signal transmission.

Referring to Figures 1 and 2, the conventional plug 1 can be inserted into a sound source line 10 and includes a metal protective cover 11, a plug body 12 coaxially coupled to the metal protective cover 11, and two screw locks on the plug. Screw 13 on the body 12. The metal boot 11 includes an outer ring wall 112 defining an assembly channel 111 and an assembly wall 113 extending centrally from the top edge of the outer ring wall 112. The assembly wall 113 has a straight screw hole 114. The plug body 12 has a wire mounting portion 121 mounted in the assembly channel 111 of the metal protective cover 11, and a protruding portion protrudes from the wire mounting portion 121 and is screwed to the screw hole 114 of the metal protective cover 11. The shank portion 122 has an inner ring wall 123 that fits inside and outside the outer ring wall 112, and a wire hole 124 defined by the inner ring wall 123. The inner ring wall 123 And having two screw holes 125 which are radially disposed and respectively screwed by the screws 13, each screw 13 has an inner end surface 131 and an outer end surface 132.

When assembled, insert a core 101 of the sound source line 10 into the Inside the wire insertion hole 124 of the plug body 12, the screws 13 are then screwed, and when the inner end surface 131 of the screws 13 is pressed against the core 101 of the sound source line 10, the metal protective cover 11 can be The plug body 12 is screwed together to complete the assembly work of the plug 1 and the sound source line 10.

It is known that the plug 1 for the audio source line 10 can be firmly coupled to the plug 1 by the cooperation of the aforementioned components. However, the specifications and types of the audio source line 10 are various. The thickness of the core 101 is also different. When the wire core 101 of the sound source wire 10 is inserted into the wire insertion hole 124 of the plug body 12, if the wire diameter of the wire core 101 is large, the screws 13 can press the wire core 101 against the plug body 12. The ring wall 123, but the screws 13 may not completely sink into the screw holes 125, that is, the outer end surface 132 of the screws 13 may protrude from the wire core 101 of the sound source line 10 by a larger diameter. The outer surface of the inner ring wall 123 of the plug body 12, so that the metal protective cover 11 cannot be installed outside the plug body 12. Therefore, the conventional plug 1 cannot be used for various reasons due to structural limitations. Audio source lines 10 of different specifications are installed.

The purpose of the present invention is to provide a plug that can be installed with different specifications of the audio source line and expand the applicable range of the source line.

The plug of the present invention can be installed by a sound source wire and comprises a plug body, at least one screw screwed on the plug body, and a light-transmissive protective cover mounted on the outside of the plug body. The plug body includes a wire loading portion having an inner ring wall defining a wire insertion hole for inserting the sound source wire, the inner ring wall having at least one screw a threaded screw hole, and the light transmissive protective cover includes an assembly passage for receiving the wire loading portion of the plug body, and at least one retracting passage communicating with the assembly passage and screwing the screw hole of the wire portion. The retracting passage can provide a space for the screw to retreat outward.

The utility model has the advantages that: the light-transmission protective sleeve is provided with the loosening passage at a portion corresponding to the screw hole of the plug body, and the loosening passage can provide the screw to retreat and protrude, so the plug of the new type can be provided The audio cable of different sizes is installed to expand the applicable range of the plug.

2‧‧‧ audio source line

21‧‧‧ wire core

3‧‧‧ plug body

31‧‧‧Installation Department

311‧‧‧ Inner Ring Wall

312‧‧‧ Inner torus

313‧‧‧Insert hole

314‧‧‧ outer annulus

315‧‧‧ screw holes

316‧‧‧ by ring

317‧‧‧ concave ring

32‧‧‧Insert part

4‧‧‧ screws

41‧‧‧ inside end

42‧‧‧Outer end face

5‧‧‧ leakproof gasket

6‧‧‧Light protective cover

61‧‧‧ outer ring wall

611‧‧‧Main wall

612‧‧‧Extension wall

613‧‧‧ Shoulder ring

62‧‧‧Assemble channel

63‧‧‧Retraction channel

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is an exploded perspective view of a conventional plug; FIG. 2 is a cross-sectional exploded view of the conventional plug. FIG. 3 is an exploded perspective view of a preferred embodiment of the plug; FIG. 4 is a cross-sectional exploded view of the preferred embodiment; and FIG. A schematic cross-sectional view of one of the preferred embodiments illustrates the relative relationship of the plug to a line of sound sources.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 3, 4 and 5, a preferred embodiment of the plug of the present invention is capable of plugging and mounting a sound source line 2 having a core 21. The plug includes: a plug body 3, two screws 4 screwed on the plug body 3, a leakage preventing washer 5 sleeved on the outside of the plug body 3, and a through-hole mounted on the outside of the plug body 3. Light protection cover 6. The plug body 3 includes a cylindrical wire mounting portion 31, and a plunger portion 32 projecting axially from the center of the tip end of the wire loading portion 31. The lance portion 32 can be inserted into a socket (not shown), but since the modification of the present invention is independent of the structure of the lance portion 32, it will not be described in detail.

In this embodiment, the wire mounting portion 31 of the plug body 3 has an inner ring wall 311 surrounding a center, and a wire insertion hole 313 defined by an inner annular surface 312 of the inner ring wall 311. The inner ring wall The 311 also has an outer annulus 314 surrounding the center and two threaded holes 315 disposed above and below the inner annulus 312 and the outer annulus 314. The outer annulus 314 has a downwardly facing abutment ring 316 and a female ring 317 adjacent the abutment ring 316 for mounting the leak proof gasket 5. The screws 4 are respectively screwed into the screw holes 315 of the plug body 3, and each of the screws 4 has an inner end surface 41 extending into the wire insertion hole 313, and an outer end surface 42 spaced apart from the inner end surface 41. .

In this embodiment, the transparent protective cover 6 is integrally formed of a light transmissive plastic material, and includes an outer ring wall 61, and an assembly passage 62 defined by the outer ring wall 61 and two retracting passages 63, wherein The outer ring wall 61 has a main wall portion 611 surrounding a center and defining the assembly passage 62, and two extending wall portions 612 integrally extending from the main wall portion 611 and respectively defining the retracting passages 63. The main wall portion 611 has a shoulder ring 613 corresponding to the abutting ring 316 of the plug body 3 and abutting against the leakage preventing washer 5, and the retreating passage 63 is respectively corresponding to the plug body 3 Hole 315 and provide space for the screws 4 to retreat.

When the plug of the embodiment is assembled, the screws 4 are screwed into the screw holes 315 of the plug body 3, and the leakage preventing washer 5 is sleeved at the concave ring 317 of the plug body 3, and then The assembly is inserted into the assembly passage 62 of the transparent protective cover 6, that is, the assembly work of the plug is completed. When the sound source wire 2 is to be mounted on the plug, firstly, the head of the screwdriver (not shown) is extended into the loosening passage 63 of the light-transmissive protective cover 6, so that the screws 4 can be driven to retreat. The outer end of the channel 63 is retracted, and then the core 21 of the sound source line 2 is inserted into the wire insertion hole 313 of the plug body 3, and then the screws 4 are reversely screwed, and the screws 4 are pressed against the screw 4 The core 21 of the sound source line 2 can complete the assembly operation of the sound source line 2 and the plug.

When the inner end surface 41 of the screws 4 has been pressed against the core 21 of the sound source line 2, and the outer end surface 42 of the screws 4 still protrudes from the screw holes 315 of the plug body 3, due to the light transmission The protective sleeve 6 has a retracting passage 63 corresponding to the screw holes 315. Therefore, one side of the screw 4 having the outer end surface 42 can be retracted toward the retracting passages 63, that is, the structure of the plug of the present invention. The plug body 3 can be protected by the light-transmissive protective cover 6. The retracting passage 63 provided on the transparent protective cover 6 further provides space for the screws 4 to retreat, so that the plug is inserted into the plug. The size of the sound source line 2 can be inserted into the plug of the present invention and firmly coupled by the screws 4. Therefore, compared with the conventional one, the plug of the present invention has the effect of being able to be installed with the audio source line 2 of different specifications, and expanding the applicable range and the like.

However, the above is only the preferred embodiment of the present invention. The scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification are still within the scope of the present patent.

2‧‧‧ audio source line

21‧‧‧ wire core

3‧‧‧ plug body

31‧‧‧Installation Department

311‧‧‧ Inner Ring Wall

312‧‧‧ Inner torus

313‧‧‧Insert hole

315‧‧‧ screw holes

32‧‧‧Insert part

4‧‧‧ screws

41‧‧‧ inside end

42‧‧‧Outer end face

5‧‧‧ leakproof gasket

6‧‧‧Light protective cover

61‧‧‧ outer ring wall

611‧‧‧Main wall

612‧‧‧Extension wall

62‧‧‧Assemble channel

63‧‧‧Retraction channel

Claims (7)

A plug of a sound source line for mounting a sound source line, comprising: a plug body comprising a wire loading portion, the wire loading portion having an inner ring wall defining a wire insertion hole for the sound source wire to be inserted, The inner ring wall has at least one screw hole; at least one screw is screwed on the screw hole of the plug body; and a light transmissive protective cover includes an assembly passage for receiving the wire loading portion of the plug body, and At least one retracting passage communicating with the assembly passage and threading the screw hole of the wire portion. The plug of the sound source cable of claim 1, wherein the light transmissive protective cover further comprises an outer ring wall having a main wall portion surrounding the center and defining the assembly channel, and at least one The main wall portion integrally extends and defines an extended wall portion of the retreating passage. The plug of the sound source line according to claim 2, further comprising a leakage preventing gasket abutting against the inner ring wall of the plug body and the outer wall of the transparent protective cover. The plug of the sound source line of claim 3, wherein the inner ring wall of the plug body has an abutting ring adjacent to the leakage preventing washer, and the outer wall of the transparent protective cover has a leakage preventing washer Abutting the shoulder ring. The plug of the sound source line of claim 4, wherein the plug body further comprises a plunger portion protruding from the light transmissive protective cover. The plug of the sound source line of claim 1, wherein the inner ring wall of the plug body has two screw holes, and the plug comprises two screws respectively screwed into the screw holes, the light transmission protection The sleeve includes two retracting passages respectively corresponding to the screw holes. The plug of the sound source cable of claim 6, wherein the light transmissive protective cover further comprises an outer ring wall having a main wall portion surrounding the center and defining the assembly channel, and two The main wall portion extends integrally and defines an extension wall portion of the retracting passages, respectively.