CN221040496U - Ear-hanging type explaining device for scenic spot explanation - Google Patents

Abstract

The utility model relates to the technical field of explanation devices, in particular to an ear-hanging type explanation device for scenic spot explanation, which comprises a main body, wherein the bottom of the main body is provided with a containing cavity, and an outward expansion assembly is fixedly arranged in the containing cavity; the utility model provides a loudspeaker voice frequency receiving device, which comprises a receiving cavity, wherein the receiving cavity is provided with a plurality of receiving cavities, the receiving cavity is internally provided with a circuit board, the circuit board is provided with four output points, the four output points are used for outputting voice frequency in a pair of pairs, the outer expanding assembly is used for discharging voice frequency, when discomfort occurs when the receiving cavity is worn for a long time at a scenic spot, the outer expanding assembly can be directly taken down from ears, and the outer expanding assembly is used for directly discharging voice frequency, so that convenience in explanation of the scenic spot is improved.

Description

Ear-hanging type explaining device for scenic spot explanation

Technical Field

The utility model relates to the technical field of explanation devices, in particular to an ear-hanging type explanation device for scenic spot explanation.

Background

The appearance of present part explanation ware sets up to the ear-hanging structure to promote holistic portability, a novel sharing explanation ware as disclosed in chinese patent publication No. CN212873997U ", including the casing, be equipped with mutual electric connection's switch, interface, circuit board and signal transmission receiving element charge on the casing, the inside battery installation district that is equipped with of casing, the casing left side is connected with the card ear, is equipped with crooked hangers mouth between card ear right side and the casing left surface.

Although the ear-hanging type explanation device provides great wearing convenience, when playing in a large scenic spot, the explanation device is worn for a long time, discomfort can be possibly caused due to the fact that the explanation device presses the ears for a long time, and the current scenic spot information cannot be continuously mastered when the explanation device is taken down.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides an ear-hanging type explaining device for scenic spot explanation.

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

An ear-hanging type explaining device for scenic spot explanation is designed, which comprises a main body, wherein the bottom of the main body is provided with a containing cavity, and an external expansion assembly is fixedly arranged in the containing cavity;

The inside that holds the chamber still is provided with the circuit board, be provided with four output points on the circuit board, four output point two by two is used for audio output, still be provided with the switching component in holding the chamber, the switching component is used for contacting with two sets of output points respectively to be used for realizing switching the loudspeaker in expanding component and the main part to speaker.

Further, the outward expansion assembly comprises a fixing plate, a loudspeaker is fixedly arranged at the back end of the fixing plate, and the fixing plate is fixed at the opening of the accommodating cavity.

Further, the switching component comprises a V-shaped piece, four conductive pieces are sequentially arranged at four corners of the V-shaped piece, the four conductive pieces are in groups of each other, and are respectively and electrically connected with the flaring component and the loudspeaker in the main body, and the conductive pieces can be in contact with the output points;

the main body is also provided with a driving piece for driving the V-shaped piece.

Further, a rotating shaft is fixedly installed at the bottom of the V-shaped sheet and is rotatably connected in the accommodating cavity, and a torsion spring is fixedly connected between the rotating shaft and the accommodating cavity.

Further, the driving piece comprises a sliding block, a guide groove communicated with the accommodating cavity is formed in the end face of the main body, a push rod sliding in the guide groove is fixedly arranged at the bottom of the sliding block, and a limiting plate positioned below the guide groove is fixedly arranged at the outer side of the push rod.

Further, three positioning openings are formed in the end face of the main body along the side edges of the guide grooves, protrusions are fixedly arranged at the bottoms of the sliding blocks, and the protrusions can be clamped with the positioning openings.

The utility model provides an ear-hanging type explanation device for scenic spot explanation, which has the beneficial effects that: according to the utility model, the external expansion assembly is used for externally amplifying the audio, so that when discomfort occurs when the loudspeaker is worn at a scenic spot for a long time, the loudspeaker can be directly taken down from the ear, and the external expansion assembly is used for directly externally amplifying the loudspeaker so as to improve convenience in explanation of the scenic spot.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of an output point structure according to the present utility model;

Fig. 4 is a schematic view of a bump structure according to the present utility model.

In the figure: 1. a main body; 11. a receiving chamber; 12. a circuit board; 13. an output point; 14. a guide groove; 15. a positioning port; 2. an expansion assembly; 21. a fixing plate; 22. a horn; 3. a switching assembly; 31. a V-shaped piece; 32. a conductive sheet; 33. a rotating shaft; 34. a torsion spring; 35. a slide block; 36. a push rod; 37. a limiting plate; 38. a protrusion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model discloses an ear-hook type explaining device for scenic spot explanation, the explaining device includes a main body 1, a storage battery, a speaker, a charging port, etc. are all in the prior art, and are not described in detail herein, a containing cavity 11 is provided at the bottom of the main body 1, and an expanding component 2 is fixedly installed in the containing cavity 11;

The circuit board 12 is further disposed on the inner side of the accommodating cavity 11, four output points 13 are disposed on the circuit board 12, two-by-two sets of the output points 13 are used for audio output, the accommodating cavity 11 is further provided with the switching component 3, the switching component 3 is respectively in contact with the two sets of the output points 13, so that the loudspeaker 22 in the external expansion component 2 and the main body 1 can be switched and speaked, namely, in the embodiment, four audio output points 13 are expanded on the circuit board 12, two-by-two sets of the four output points 13 can be respectively used for audio transmission of a left channel and a right channel, a person skilled in the art knows that the design of the four output points 13 is equivalent to that the original two audio output lines are disconnected and tapped into four, no technical obstacle exists, and the power of the loudspeaker 22 in the main body 1 is lower than that of the loudspeaker 22 on the external expansion component 2.

In some embodiments, the expansion assembly 2 of the present utility model includes a fixing plate 21, a horn 22 is fixed at the back end of the fixing plate 21, and the fixing plate 21 is fixed at the opening of the accommodating cavity 11, preferably, in this embodiment, the fixing plate 21 may be fixed by bolts, so as to improve the convenience of assembly.

On the basis of the above embodiment, the switching assembly 3 includes a V-shaped piece 31, in order to avoid electrical interference, in this embodiment, the V-shaped piece 31 is provided as a plastic piece, four conductive pieces 32 are sequentially provided at four corners of the V-shaped piece 31, and the four conductive pieces 32 are in a group of two pairs and are respectively electrically connected with the flaring assembly 2 and the horn 22 in the main body 1, and the conductive pieces 32 can be in contact with the output points 13;

the main body 1 is further provided with a driving member for driving the V-shaped piece 31.

Namely, when switching is needed, the V-shaped piece 31 rotates to control the conductive pieces 32 at two sides to contact with the opposite output points 13 respectively, so that switching of different horns 22 is completed, specifically, in the utility model, a rotating shaft 33 is fixedly installed at the bottom of the V-shaped piece 31, the rotating shaft 33 is rotatably connected in the accommodating cavity 11, wherein a torsion spring 34 is fixedly connected between the rotating shaft 33 and the accommodating cavity 11, and the design of the torsion spring 34 can be used for resetting the V-shaped piece 31.

In addition, in some embodiments, the driving member includes a sliding block 35, the end surface of the main body 1 has a guide groove 14 that communicates with the accommodating cavity 11, a push rod 36 that slides in the guide groove 14 is fixedly installed at the bottom of the sliding block 35, and a limiting plate 37 that is located below the guide groove 14 is fixedly installed at the outer side of the push rod 36, that is, in this embodiment, by sliding the sliding block 35, the push rod 36 is driven to move, so as to implement the rotation against the V-shaped piece 31, and complete the output switching of audio, and the design of the limiting plate 37 is so as to ensure the linear sliding of the sliding block 35 and avoid the dropping problem.

In order to realize locking of the sliding position of the sliding block 35, in the utility model, three positioning openings 15 are arranged on the end surface of the main body 1 along the side edge of the guide groove 14, a protrusion 38 is fixedly arranged at the bottom of the sliding block 35, the protrusion 38 can be clamped with the positioning openings 15, and the three positioning openings 15 are used for fixing the sliding position of the sliding block 35, so that the positioning of the initial state, the left rotation and the right rotation of the V-shaped piece 31 can be completed, and the stability of audio output is ensured.

In summary, the external expansion assembly 2 is used for externally releasing the audio, so that when discomfort occurs when the loudspeaker is worn at a scenic spot for a long time, the loudspeaker can be directly taken down from the ear, and the external expansion assembly 2 is used for directly externally releasing the loudspeaker to improve convenience in explanation of the scenic spot, meanwhile, the loudspeaker 22 in the external expansion assembly 2 and the loudspeaker 22 in the main body 1 can be freely switched through the switching assembly 3, the operation is simpler, only the sliding block 35 is needed, the whole design is simple and reasonable, and the diversity and convenience of use are greatly improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. An ear-hanging explanation device for scenic spot explanation, includes main part (1), its characterized in that: the bottom of the main body (1) is provided with a containing cavity (11), and an expanding component (2) is fixedly arranged in the containing cavity (11);

The device comprises a main body (1), a receiving cavity (11), a circuit board (12) and a loudspeaker (22), wherein the circuit board (12) is arranged on the inner side of the receiving cavity (11), four output points (13) are arranged on the circuit board (12), each output point (13) is used for outputting audio, a switching component (3) is further arranged in the receiving cavity (11), and the switching component (3) is used for being respectively contacted with the two groups of output points (13) so as to realize switching and loudspeaker (22) in the external expansion component (2) and the main body (1).

2. An ear-hook type lecturer for scenic spot lecture as set forth in claim 1, characterized in that: the outer expansion assembly (2) comprises a fixing plate (21), a loudspeaker (22) is fixedly arranged at the back end of the fixing plate (21), and the fixing plate (21) is fixed at the opening of the accommodating cavity (11).

3. An ear-hook type lecturer for scenic spot lecture as set forth in claim 1, characterized in that: the switching assembly (3) comprises a V-shaped sheet (31), four conducting strips (32) are sequentially arranged at four corners of the V-shaped sheet (31), the four conducting strips (32) are in a group, and are respectively and electrically connected with the flaring assembly (2) and the loudspeaker (22) in the main body (1), and the conducting strips (32) can be in contact with the output points (13);

The main body (1) is also provided with a driving piece for driving the V-shaped piece (31).

4. An ear-hook type lecturer for scenic spot lecture according to claim 3, characterized in that: the bottom of the V-shaped piece (31) is fixedly provided with a rotating shaft (33), the rotating shaft (33) is rotatably connected in the accommodating cavity (11), and a torsion spring (34) is fixedly connected between the rotating shaft (33) and the accommodating cavity (11).

5. An ear-hook type lecturer for scenic spot lecture according to claim 3, characterized in that: the driving piece comprises a sliding block (35), a guide groove (14) communicated with the accommodating cavity (11) is formed in the end face of the main body (1), a push rod (36) sliding in the guide groove (14) is fixedly arranged at the bottom of the sliding block (35), and a limiting plate (37) located below the guide groove (14) is fixedly arranged at the outer side of the push rod (36).

6. An ear-hook type lecturer for scenic spot lecture as set forth in claim 5, wherein: three positioning openings (15) are formed in the end face of the main body (1) along the side edges of the guide grooves (14), protrusions (38) are fixedly arranged at the bottoms of the sliding blocks (35), and the protrusions (38) can be clamped with the positioning openings (15).