CN205726233U - A kind of earphone wire coiling reel structure for audio-visual equipment - Google Patents

Abstract

The utility model discloses an earphone take-up wheel structure for audio-visual equipment, which is used for placing earphones. The earphone is provided with an earphone earpiece connected with a signal line. On the casing of the device, the signal line is wound in the structure of the earphone take-up wheel, and the signal line is stretched outward during use. At this time, the structure of the earphone take-up wheel rotates along the stretching direction of the signal line and stops stretching At this time, the earphone take-up wheel structure stops rotating, and a reset device is arranged in the earphone take-up wheel structure, and the reset device is activated to drive the earphone take-up wheel structure to rotate in reverse, and the signal line is automatically retracted. When using the earphone take-up wheel structure of the utility model, the earphone signal line can be stretched outward to a suitable length, and the signal line can be shortened or automatically retracted when the signal line is stopped, making it more convenient and quick for the user to use the audio-visual equipment.

Description

An earphone take-up wheel structure for audio-visual equipment

technical field

The utility model relates to the field of audio-visual equipment, in particular to an earphone take-up wheel structure used for audio-visual equipment.

Background technique

Currently, virtual reality (Virtual Reality, VR) helmets are widely used in wearable devices. Most of the VR helmets on the market do not have a built-in earphone structure. Users need to connect an external earphone to listen to the sound signal when watching. It is not convenient for users to use VR helmets by installing and removing earphones.

Utility model content

In view of the problems existing in the prior art, the purpose of this utility model is to provide an earphone take-up wheel structure for audio-visual equipment, the earphone take-up wheel structure is installed on the audio-visual equipment, such as the shell of a VR helmet, The earphone signal line is built into the cable box, and the earphone signal line can be stretched out to a suitable length when in use, and the signal line can be automatically retracted when the signal line is shortened or stopped, making it more convenient and quick for users to use audio-visual equipment such as VR helmets.

In order to achieve the above object, the utility model adopts the following technical solutions:

The utility model provides an earphone take-up wheel structure for audio-visual equipment, which is used for placing earphones. The earphone is provided with an earphone receiver connected to a signal line. The earphone take-up wheel structure is installed on the audio-visual equipment. On the shell of the earphone, the signal line is wound in the earphone take-up wheel structure, and the signal line is stretched outward during use. At this time, the earphone take-up wheel structure rotates along the stretching direction of the signal line, and when the stretching is stopped The earphone take-up wheel structure stops rotating immediately, and a reset device is arranged in the earphone take-up wheel structure, and the reset device is activated to drive the earphone take-up wheel structure to rotate in reverse, and automatically retract the signal line.

Further, the earphone take-up wheel structure is provided with a one-way gear, and the one-way gear is coaxially provided with a seat ring, and the signal line is wound on the seat ring, and when the signal line is stretched outward, the one-way gear along the The signal line is stretched and rotated; the one-way gear is arranged in the line box, and is installed on the housing of the audio-visual equipment through the line box, and the outer box of the line box is provided with a one-way lock to stop stretching the signal line At this time, the one-way lock prevents the one-way gear from rotating in reverse.

Further, the middle part of the wire box is provided with a mandrel, the middle part of the one-way gear is provided with a hollow shaft, and the one-way gear is sleeved on the mandrel through the hollow shaft to rotate around the mandrel; the wire box is provided with a spring One end of the spring coil is connected to the mandrel, and the other end is connected to the one-way gear. When the one-way gear rotates along the stretching direction of the signal line, the spring coil is gradually tightened, and the one-way lock is opened. Under the action of restoring force, the one-way gear promptly rotates reversely to retract the signal line.

Further, one end of the signal line is connected to the earphone, and the other end is connected to the audio circuit of the audio-visual equipment, a notch is set on the seat ring, a threading hole is set on the one-way gear, and the signal line passes through the notch And the threading hole reaches the other side of the one-way gear, and on this side, it is wound on the hollow shaft to form a coil of predetermined length. When the one-way gear rotates along the direction of signal line stretching, the coil forms a retractable margin. , the one-way gear will not drive the end of the signal line connected to the audio circuit of the audio-visual equipment.

Further, the one-way lock is provided with a lever, and the lever is erected on the outer box body of the wire box. One end of the lever is provided with a pawl to cooperate with the one-way gear, and the other end of the lever cooperates with the start button provided on the housing of the audio-visual equipment. button; the lever is provided with a return spring, and when the start button does not exert pressure on the lever, under the action of the return spring, the pawl automatically engages the one-way gear, allowing the one-way gear to stretch along the signal line direction rotation.

Further, the box body of the wire box is provided with several through holes, the pawl at one end of the lever passes through the through holes to cooperate with the one-way gear, and one end of the signal line passes through the through holes to connect to the audio circuit of the audio-visual equipment .

Further, the box body of the wire box is provided with a notch to form an entrance through which the signal line enters and exits the wire box, and the size of the entrance is smaller than that of the earphone receiver.

Further, the box body of the wire box is provided with a connecting plate, which is installed on the housing of the audio-visual equipment through screws.

Further, the wire box is provided with a box cover, and the middle part of the box cover is provided with a through hole, and a screw is arranged in the through hole to connect the mandrel in the wire box, and the box cover is fixed on the wire box.

Further, one or two earphone receivers are provided, the signal wires of the two earphone receivers have a predetermined length and are combined in the same cladding layer, and the signal wires close to the earphone receivers are separately arranged to suit both ears of the user.

The audio-visual equipment adopting the structure of the above-mentioned earphone take-up wheel has the following advantages:

This structure solves the difficulty of built-in earphones in audio-visual equipment. During operation, users can take out the earphones at any time when they need to use them, which is very convenient. In addition, the operator can also lengthen or shorten the length of the earphone cable according to individual needs, which is very user-friendly.

The utility model can be provided with one or two earphone earpieces. When an earphone earpiece is arranged in an earphone take-up wheel structure, an earphone take-up wheel structure is respectively arranged on both sides of the audio-visual equipment housing. When an earphone take-up wheel structure When two earphone receivers are arranged in the structure, it is sufficient to arrange an earphone take-up wheel structure on one side of the audio-visual equipment housing.

Description of drawings

Fig. 1 is an exploded view of the utility model;

Fig. 2 is another exploded view of the utility model;

Fig. 3 is a combination state diagram of the present utility model;

Fig. 4 is the three-dimensional view of wire box that the utility model adopts;

Fig. 5 is the three-dimensional view of wire box that the utility model adopts;

Fig. 6 is the perspective view of the one-way gear adopted by the utility model;

Fig. 7 is the perspective view of the one-way gear adopted by the utility model;

Fig. 8 is a perspective view of the earphone signal line adopted by the present invention;

Fig. 9 is a schematic diagram of the earphone signal line being retracted in the wire box;

Fig. 10 is a schematic diagram of the earphone signal line being stretched in the wire box;

Fig. 11 is a schematic diagram of the meshing state of the one-way gear and the one-way lock;

Fig. 12 is a schematic diagram of the one-way gear in a free rotation state.

In the figure: 1. one-way lock; 1-1. pressure plate; 1-2. pin; 1-3. pawl;

2. Wire box; 2-1. Connecting plate; 2-2. Fulcrum; 2-3. Spring installation groove; 2-4. Through hole; 2-5. Through hole; 2-6. Mandrel; 2-7 . entrance and exit;

3. One-way gear; 3-1. Gear groove; 3-2. Hollow shaft; 3-3. Seat ring; 3-4. Threading hole;

4. Spring coil; 5. Signal line; 5-1. Coil; 5-2. Coil; 6. Box cover; 7. Earphone receiver; 8. Return spring; 9. Start button.

detailed description

In order to further explain the technical means and effects of the utility model to achieve the predetermined technical purpose, the structure, features and effects of the utility model are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

In the embodiment of the utility model, the earphone take-up wheel structure is used in conjunction with the VR helmet, and of course it can also be used on other audio-visual equipment. The preferred solution of the utility model is to be installed inside the shell of the VR helmet. It is not necessary to be limited to the inside of the shell for other audio-visual equipment, and it can also be installed outside the shell according to the needs of actual use.

Example 1

Shown in Fig. 1, Fig. 2, Fig. 3 is an embodiment of the present utility model, the earphone reel structure that is used for audio-visual equipment in this embodiment, is used to place earphone, earphone is provided with earphone receiver 7, earphone receiver 7 is connected to the signal line 5. The earphone take-up wheel structure is installed on the shell of the VR helmet. The signal line 5 is wound on the earphone take-up wheel structure. When using, the signal line 5 is stretched outward to an appropriate length. The wire wheel structure rotates along the stretching direction of the signal line (clockwise or counterclockwise). When the stretching stops, the earphone take-up wheel structure stops rotating. There is a reset device in the earphone take-up wheel structure, and the reset device drives The earphone take-up wheel structure reversely rotates, and the signal line 5 is automatically retracted.

The automatic retraction of the signal line 5 is not all retraction. When the stretched length of the signal line 5 exceeds the needs of use, the reset device can also be activated to drive the earphone take-up wheel structure to reversely rotate and retract the signal line 5 of a certain length.

In this embodiment, only one earphone receiver 7 is provided. According to actual needs, two earphone receivers 7 can also be provided, and the specific structure is introduced in Embodiment 2. When an earphone receiver is provided, an earphone take-up wheel structure can be respectively arranged on both sides of the VR helmet shell.

The earphone take-up wheel structure is provided with a one-way gear 3, as shown in Figure 6 and Figure 7, the gear groove 3-1 of the one-way gear 3 is arranged on the left plane, and the seat ring 3-3 is arranged on the right side.

The seat ring 3-3 is arranged coaxially with the one-way gear 3, and the signal line 5 is wound on the seat ring 3-3 to form a coil 5-1. When the signal line 5 is stretched outward, the one-way gear 3 rotates along the stretching direction of the signal line 5 The one-way gear 3 is arranged in the wire box 2, and is installed in the VR helmet shell through the wire box 2. The outer box body of the wire box 2 is provided with a one-way lock 1. Reverse rotation to gear 3.

As shown in Figure 1 and Figure 2, the one-way lock 1 is provided with a lever, and the lever is erected on the outer box body of the cable box 2. One end of the lever is provided with a pawl 1-3 to cooperate with the one-way gear 3, and the other end of the lever is matched with the VR helmet shell. The start button 9 provided on the top; the lever is provided with a return spring 8, when the start button 9 does not apply a pressing force to the lever, under the action of the return spring 8, the pawl 1-3 automatically meshes with the one-way gear 3, and only the one-way gear 3 is allowed Rotate along the stretching direction of the signal line 5.

The middle part of the lever is provided with a pin post 1-2 for installing a back-moving spring 8, and correspondingly, a spring mounting groove 2-3 is provided on the outer box body of the wire box 2 to accommodate the back-moving spring 8. The other end of the lever relative to the ratchet 1-3 is provided with a pressing plate 1-1 to cooperate with the starting button 9, and a groove is set on the pressing plate 1-1 to prevent misalignment during the pressing of the starting button 9.

As shown in Figure 4 and Figure 5, the middle part of the wire box 2 is provided with a mandrel 2-6, the middle part of the one-way gear 3 is provided with a hollow shaft 3-2, and the one-way gear 3 is sleeved on the mandrel 2 through the hollow shaft 3-2 -6 to rotate around the mandrel 2-6.

As shown in Fig. 9 and Fig. 10, a spring coil 4 is arranged in the wire box 2, one end of the spring coil 4 is connected to the mandrel 2-6, and the other end is connected to the one-way gear 3, and the one-way gear 3 rotates along the stretching direction of the signal line 5 When the spring coil 4 is gradually tightened, when the one-way lock 1 is opened, the pawl 1-3 tilts up and leaves the one-way gear groove 3-1, and the one-way gear 3 is reversed under the restoring force of the spring coil 4. Rotate to retract signal line 5.

The spring coil 4 is specifically a reed coil structure. When the spring coil 4 is compressed to the maximum amount, it cannot continue to be compressed, and the signal line 5 reaches the maximum length and cannot be stretched anymore.

One end of the signal line 5 is connected to the earphone receiver 7, the other end is connected to the audio circuit of the VR helmet, a gap is set on the seat ring 3-3, a threading hole 3-4 is arranged on the one-way gear 3, and the signal line 5 passes through the gap and the threading hole 3- 4 reaches the other side of the one-way gear 3, and winds on the hollow shaft 3-2 on this side to form a coil 5-2 of predetermined length, as shown in Figure 8, when the one-way gear 3 rotates along the stretching direction of the signal line 5 , the coil 5-2 forms a retractable margin, and the one-way gear 3 will not drive the signal line 5 to connect to one end of the VR helmet audio circuit.

The signal wire 5 is suitable to be a flat wire, and the wound coils 5-1 and 5-2 are wound layer by layer, which is convenient for retracting and unwinding without blockage.

As shown in Fig. 4 and Fig. 5, through-holes 2-4 and 2-5 are arranged on the box body of the wire box 2, and the pawl 1-3 at one end of the lever passes through the through-hole 2-5 to cooperate with the one-way gear 3, and the signal One end of the line 5 passes through the through hole 2-4 to connect to the audio circuit of the VR helmet.

The box body of the wire box 2 is provided with a gap to form an entrance 2-7, and the signal line 5 enters and exits the wire box 2 through the entrance 2-7. The earphone receiver 7 stays at the entrances and exits 2-7 to prevent the signal line 5 from rewinding, and it is also possible to block the earphones receiver 7 by setting the entrances and exits on the VR helmet shell.

The box body of the wire box 2 is provided with a connecting plate 2-1, which is installed in the VR helmet shell by screws. Set fulcrum 2-2 to install the lever of one-way lock 1.

Wire box 2 is provided with box cover 6, and box cover 6 middle part is provided with through hole, is provided with the mandrel 2-6 in the screw connection box 2 in the through hole, and box cover 6 is fixed on the wire box 2. The combination state of the present utility model is as shown in Figure 3.

Example 2

The difference from Embodiment 1 is that in this embodiment, two earphone earpieces (not shown) are arranged in an earphone take-up reel structure, and the signal lines of the two earphone earphones have a predetermined length and are merged in the same cladding layer, so that Designed to facilitate its winding within the headphone take-up reel structure.

The signal lines close to the earphone receiver are set separately to suit the user's ears, and a sliding line card can also be set on a section of the separate setting, slide the line card to one end of the earphone receiver, and recombine the separately set signal lines into the Together, it is convenient for the signal line to enter and exit the terminal box.

When two earphone earpieces are arranged in one earphone take-up wheel structure, it is enough to set one earphone take-up wheel structure on one side of the VR helmet shell.

The above is just to illustrate the utility model, it should be understood that the utility model is not limited to the above embodiments, and various modifications conforming to the idea of the utility model are within the scope of protection of the utility model.

Claims (10)

1. an earphone take-up wheel structure for audio-visual equipment, for placing earphones, said earphone is provided with earphone receiver (7), and earphone receiver (7) is connected with signal line (5), it is characterized in that, described The earphone take-up wheel structure is installed on the housing of the audio-visual equipment, the signal line (5) is wound in the earphone take-up wheel structure, and the signal line (5) is stretched outward during use. The earphone take-up wheel structure rotates along the stretching direction of the signal line (5). When the stretching stops, the earphone take-up wheel structure stops rotating. The earphone take-up wheel structure is provided with a reset device, and the reset device is started to drive The earphone take-up wheel structure rotates in reverse to automatically retract the signal line (5). 2. The earphone take-up wheel structure as claimed in claim 1, characterized in that, the earphone take-up wheel structure is provided with a one-way gear (3), and the one-way gear (3) is coaxially provided with a seat ring ( 3-3), the signal line (5) is wound on the seat ring (3-3), and when the signal line (5) is stretched outward, the one-way gear (3) is stretched along the direction of the signal line (5) rotation; the one-way gear (3) is arranged in the wire box (2), and is installed on the casing of the audio-visual equipment through the wire box (2), and the outer box body of the wire box (2) is provided with a one-way A lock (1), the one-way lock (1) prevents the one-way gear (3) from rotating reversely when the stretching of the signal line (5) is stopped. 3. The earphone take-up reel structure according to claim 2, characterized in that, a mandrel (2-6) is arranged in the middle of the wire box (2), and a hollow shaft is arranged in the middle of the one-way gear (3) (3-2), the one-way gear (3) is passed through the hollow shaft (3-2) and rotates around the mandrel (2-6) on the mandrel (2-6); the wire box (2) A spring coil (4) is arranged in the center, one end of the spring coil (4) is connected to the mandrel (2-6), and the other end is connected to the one-way gear (3), and the one-way gear (3) is connected to the signal line (5) When the stretching direction is rotated, the spring coil (4) is gradually tightened, the one-way lock (1) is opened, and the one-way gear (3) is reversely rotated to retract the signal line under the restoring force of the spring coil (4) (5). 4. The earphone take-up reel structure as claimed in claim 3, characterized in that, one end of the signal line (5) is connected to the earphone receiver (7), and the other end is connected to the audio circuit of the audio-visual equipment, and the seat ring ( 3-3) is provided with a gap, the one-way gear (3) is provided with a threading hole (3-4), and the signal line (5) passes through the gap and the threading hole (3-4) to reach the one-way The other side of the gear (3), and on this side is wound on the hollow shaft (3-2) to form a coil (5-2) of predetermined length, on the one-way gear (3) along the signal line (5) When the stretching direction wheel rotates, the coil (5-2) forms a retractable margin, and the one-way gear (3) will not drive the signal line (5) to connect to one end of the audio circuit of the audio-visual equipment. 5. The earphone take-up reel structure according to claim 2, characterized in that, the one-way lock (1) is provided with a lever, and the lever is erected on the outer box body of the wire box (2), and one end of the lever is A ratchet (1-3) is provided to cooperate with the one-way gear (3), and the other end of the lever cooperates with a start button (9) provided on the housing of the audio-visual equipment; the lever is provided with a return spring (8), and the start When the button (9) does not exert pressure on the lever, under the action of the return spring (8), the pawl (1-3) automatically engages the one-way gear (3), allowing the one-way gear (3) to move along The signal line (5) stretches and rotates. 6. The earphone take-up reel structure according to claim 5, characterized in that, the box body of the wire box is provided with several through holes (2-4, 2-5), and the pawl (1-5) at one end of the lever 3) Fit the one-way gear (3) through the through hole (2-5), and one end of the signal line (5) passes through the through hole (2-4) to connect to the audio circuit of the audio-visual equipment. 7. The earphone take-up reel structure according to claim 2, characterized in that, the box body of the wire box (2) is provided with a notch to form an entrance (2-7), and the signal line (5) passes through the A port (2-7) enters and exits the wire box (2), and the size of the port (2-7) is smaller than that of the earphone receiver (7). 8. The earphone take-up reel structure according to claim 2, characterized in that, the box body of the wire box (2) is provided with a connecting plate (2-1), which is mounted on the housing of the audio-visual equipment by screws. 9. The earphone take-up reel structure as claimed in claim 3, characterized in that, the wire box (2) is provided with a box cover (6), and the middle part of the box cover (6) is provided with a through hole, and in the through hole A screw is arranged to connect the mandrel (2-6) in the junction box (2), and the box cover (6) is fixed on the junction box (2). 10. The earphone take-up reel structure as claimed in claim 1, characterized in that one or two earphone receivers (7) are provided, and the signal lines (5) of the two earphone receivers (7) have predetermined lengths to merge In the same cladding layer, the signal wires (5) close to the earphone receiver (7) are arranged separately to accommodate the user's ears.