CN113885203B - a head-mounted device - Google Patents

Abstract

The invention belongs to the technical field of headgear, and relates to a headgear device, comprising a first elastic strap, a second elastic strap, and a fastening mechanism. The fastening mechanism includes a support structure, a reel mounted on the support structure, and The knob for the drive connection of the reel, the one-way locking structure arranged between the support structure and the knob, corresponds to the first cable and the second cable on both sides of the support structure, the first cable, the second cable and the The reels are connected, and the first cable and the second cable are respectively connected with the first elastic band and the second elastic band. The head-mounted device of the present invention solves the problems of inconvenient adjustment and complex adjustment structure of the strap of the existing head-mounted device, and is easy to wear.

Description

a headset

technical field

The invention belongs to the field of head-mounted technology, and in particular relates to a head-mounted device.

Background technique

Head-mounted devices, such as VR head-mounted devices and AR-type head-mounted devices, are increasingly appearing in daily life. For the convenience of users, the straps of the head-mounted devices can be adjusted in length according to needs. At present, the adjustment structure of the strap of the head-mounted device is mainly driven by a transmission gear, which cooperates with the rack at the end of the belt body, and is limited and locked by a ratchet fixedly connected with the transmission gear and a locking member. The main disadvantages are that the structure is complicated and the adjustment is inconvenient, which seriously affects the wearing of the user.

Contents of the invention

The purpose of the present invention is to provide a head-mounted device, aiming to solve the problems of inconvenient adjustment of the straps and complicated adjustment structure of the existing head-mounted device, and is easy to wear.

The invention discloses a head-mounted device, comprising a first elastic strap and a second elastic strap, and a fastening mechanism connected with the first elastic strap and the second elastic strap, the fastening mechanism includes The support structure is used to rotate the reel mounted on the support structure, and the knob that is connected to the reel to drive the reel to rotate is provided between the support structure and the knob and can be combined/ The separate one-way locking structure further includes a first cable and a second cable provided on opposite sides of the support structure respectively, the first cable, the second cable and the winding The wire wheel is connected, and the first cable and the second cable are respectively connected to the first elastic strap and the second elastic strap.

As an improvement, the fastening mechanism further includes an elastic telescopic piece for keeping the one-way locking structure in a combined state.

As an improvement, a connecting rod arranged coaxially with the knob is provided on the knob, and the connecting rod is inserted into the reel to transmit torque.

As an improvement, a plug-in structure is provided between the connecting rod and the reel, and the plug-in structure includes a plug joint arranged on the end of the connecting rod away from the knob, and a corresponding An insertion hole is provided at the middle of the reel, and the insertion joint cooperates with the insertion hole to limit the relative rotation of the connecting rod and the reel.

As an improvement, the plug joint is arranged in a prism shape, and the side of each side is an inclined plane, and the diameter of the outer circumference of the end of the plug joint away from the connecting rod is smaller than the outer circumference of the end of the plug joint close to the connecting rod diameter.

As an improvement, a mounting hole is provided in the middle of the reel, and the mounting hole includes a straight hole portion disposed on a side away from the knob, and the insertion hole communicated with the straight hole portion.

As an improvement, the supporting structure is a casing, the reel is rotatably installed in a cavity surrounded by the casing, and the knob is arranged on the outside of the casing and is synchronized with the reel. axis settings.

As an improvement, a position-limiting structure is fixed on the part where the connecting rod is inserted into the cavity surrounded by the housing, and the elastic expansion piece is sleeved between the position-limiting structure and the inner side wall of the housing on the connecting rod part.

As an improvement, a support ring coaxial with the rotation axis of the knob is provided on the housing, an outer stop ring located on the outer peripheral side of the support ring is provided on the knob, and the one-way The locking structure is arranged between the end surface of the support ring and the knob part inside the outer stop ring.

As an improvement, the reel is provided with two ring grooves arranged at intervals along the axial direction of the reel, and the first cable and the second cable are respectively arranged in the two ring grooves. in the slot.

Due to the adoption of the above technical solution, the head-mounted device of the present invention includes a first elastic strap and a second elastic strap, and a fastening mechanism connected with the first elastic strap and the second elastic strap, the The fastening mechanism includes a support structure, rotating a reel mounted on the support structure, and a knob that is transmission-connected with the reel to drive the reel to rotate, and is arranged between the support structure and the knob A one-way locking structure that can be combined/separated between them, and also includes a first cable and a second cable respectively arranged on opposite sides of the support structure, the first cable and the second cable Connected to the reel, the first cable and the second cable are respectively connected to the first elastic strap and the second elastic strap. After wearing the head-mounted device, the fastening mechanism is located on the back side of the user's head. When the knob is turned, the winding wheel can be driven to rotate, so that the first cable and the second cable are wound on the winding wheel at the same time, and the first elastic A tension is generated between the strap, the second elastic strap and the corresponding side of the fastening mechanism to securely fix the head-mounted device on the user's head. Since a one-way locking structure is provided between the knob and the housing, it can The knob is limited to the position where it is rotated to prevent loosening; when it needs to be loosened or removed from the user's head, the knob is pulled to separate the one-way locking structure between the knob and the housing, and the reverse rotation of the knob can The part of the first cable and the second cable wound on the reel can be unscrewed from the reel to increase the length of the first cable part and the second cable part between the main body and the corresponding side of the housing. The length can be loosened or the head-mounted device can be removed from the user's head; the fastening mechanism has a simple structure and is easy to operate, which solves the problems of inconvenient adjustment and complex adjustment structure of the existing head-mounted device, and is convenient wear.

Description of drawings

FIG. 1 is a schematic structural diagram of a head-mounted device according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the three-dimensional structure of the fastening mechanism of the head-mounted device according to the embodiment of the present invention;

3 is a schematic cross-sectional structural view of a fastening mechanism of a head-mounted device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an exploded structure of a fastening mechanism of a head-mounted device according to an embodiment of the present invention;

5 is a schematic cross-sectional structural view of a fastening state of a fastening mechanism of a head-mounted device according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional structural diagram of a state in which the fastening mechanism of the head-mounted device is loosened according to an embodiment of the present invention;

Among them, 100, fastening mechanism; 10, shell; 11, seat shell; 12, cover plate; 13, installation shaft; 14, through hole; 15, one-way tooth of shell; 16, support ring; 20, winding Wheel; 21, ring groove; 22, socket hole; 30, knob; 31, connecting rod; 32, one-way tooth of knob; 33, plug joint; 34, baffle plate; 35, outer baffle ring; 40, elastic expansion part ; 50, the first cable; 60, the second cable; 70, the first elastic strap; 80, the second elastic strap; 90, the host.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Figure 1 is a schematic structural view of a head-mounted device according to an embodiment of the present invention, and Figures 2 to 6 are schematic structural views of the fastening mechanism of a head-mounted device according to an embodiment of the present invention, wherein Figure 2 shows a head-mounted device according to an embodiment of the present invention A schematic perspective view of the three-dimensional structure of the fastening mechanism of the device, Figure 3 shows a schematic cross-sectional structural view of the fastening mechanism of the head-mounted device according to the embodiment of the present invention, and Figure 4 shows the fastening mechanism of the head-mounted device according to the embodiment of the present invention Fig. 5 shows a schematic cross-sectional structural view of the fastening state of the fastening mechanism of the head-mounted device according to the embodiment of the present invention, and Fig. 6 shows the loosening of the fastening mechanism of the head-mounted device according to the embodiment of the present invention Schematic diagram of the cross-sectional structure of the state. For ease of expression, only the parts relevant to the present invention are shown in the figure.

As can be seen from Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the fastening mechanism 100 includes a support structure, which rotates the reel 20 mounted on the support structure, and is connected with the reel 20 to drive the reel The 20-rotating knob 30 is provided with a one-way locking structure that can be combined/separated between the knob 30 and the support structure, and also includes a first cable 50 and a second cable 60 respectively corresponding to the opposite sides of the support structure , the first cable 50 and the second cable 60 are connected to the reel 20 and can be wound on the reel 20 at the same time.

Specifically, the head-mounted device includes a main body 90, the above-mentioned fastening mechanism 100, and a first elastic strap 70 and a second elastic strap 80 respectively connected between the main body 90 and the corresponding sides of the supporting structure of the fastening mechanism 100. The first cable 50 and the second cable 60 pass through the corresponding first elastic strap 70 and the second elastic strap 80 respectively, and then are fixedly connected to the host 90 . After wearing the head-mounted device, the host 90 is located on the front side of the user's head, and the fastening mechanism 100 is located on the back side of the user's head. When the knob 30 is turned, the reel 20 can be driven to rotate, so that the first cable 50, the second cable The cable 60 is wound on the reel 20 at the same time, which can generate tension between the host machine 90 and the corresponding side of the fastening mechanism 100, so that the head-mounted device is firmly fixed on the user's head. There is a one-way locking structure, which can limit the knob 30 to the position where it is turned, and can prevent loosening; when it needs to be loosened or removed from the user's head, pull the knob 30 to make the distance between the knob 30 and the supporting structure The one-way locking structure is separated, and the reverse rotation of the knob 30 can make the part of the first cable 50 and the second cable 60 wound on the reel 20 unscrew from the reel 20, which can increase the host 90 and the supporting structure. The length of the first cable 50 part and the length of the second cable 60 part between the corresponding sides can be loosened or the head-mounted device can be removed from the user's head; the tightness of the head-mounted device in the embodiment of the present invention The fixing mechanism 100 has a simple structure and is easy to operate, which solves the problems of inconvenient adjustment of the straps and complicated adjustment structure of the existing head-mounted devices, and is easy to wear.

In the embodiment of the present invention, the fastening mechanism 100 also includes an elastic telescopic piece 40 for keeping the one-way locking structure in a combined state. After the knob 30 is pulled for adjustment, the knob 30 is loosened, and the elastic force of the elastic telescopic piece 40 The automatic reset under action can make the knob 30 combine with the one-way locking structure between the supporting structure.

In order to drive the reel 20 to rotate, a connecting rod 31 coaxial with the knob 30 is provided on the knob 30 , and the connecting rod 31 is inserted into the reel 20 to transmit torque.

Specifically, a plug-in structure is provided between the connecting rod 31 and the reel 20 , the plug-in structure includes a plug-in joint 33 provided on the end of the connecting rod 31 , and a plug-in joint 33 correspondingly arranged in the middle of the reel 20 . hole 22, the plug joint 33 and the plug hole 22 will not produce relative rotation after being plugged together.

Usually, the plug joint 33 is arranged in a prism shape, and the side surfaces on each side are sloped. The diameter of the outer circumference of the end of the plug joint 33 away from the connecting rod 31 is smaller than the diameter of the outer circumference of the end of the plug joint 33 close to the connecting rod 31, which is convenient for plugging. And separation, and when separating, the plug connector 33 does not need to completely separate the socket hole 22. Generally, the plug connector 33 can be arranged in the shape of a quadrangular prism, a pentagonal prism, a hexagonal prism, and the like.

The support structure is a housing 10, the reel 20 is rotatably installed in the cavity surrounded by the housing 10, the knob 30 is arranged on the outside of the housing 10 and coaxially arranged with the reel 20; the connecting rod 31 is inserted into In the cavity surrounded by the housing 10, a limiting structure is provided on the part where the connecting rod 31 is inserted into the cavity surrounded by the housing 10, and the elastic expansion member 40 is sleeved between the limiting structure and the inner side wall of the housing 10 On the connecting rod 31 part.

Specifically, the elastic expansion member 40 is a spring, of course, an elastic sleeve or the like can also be selected.

Usually, the position-limiting structure is a baffle 34 sleeved on the connecting rod 31. In order to facilitate installation and position the baffle 34, an installation ring platform is provided at the joint between the plug joint 33 and the connecting rod 31, and the baffle 34 is fixed on the installation ring platform by means of bonding, welding, clamping, etc., so as to facilitate the installation of the baffle plate 34.

When it is necessary to loosen or remove the head-mounted device from the user's head, the knob 30 is pulled axially to separate the one-way locking structure between the knob 30 and the casing 10, and the connection between the knob 30 and the reel 20 The plug-in structure is separated, and the elastic elastic member 40 will be compressed when the knob 30 is pulled, and the part of the first cable 50 and the second cable 60 wound on the reel 20 can be pulled from the reel 20 by continuing to pull the knob 30 . Unscrewing can increase the length of the first cable 50 and the second cable 60 between the host and the corresponding side of the housing 10, and can realize loosening or remove the head-mounted device from the user's head; loosen Behind the knob 30, the one-way locking structure between the knob 30 and the housing 10 and the plug-in structure between the knob 30 and the reel 20 can be combined under the elastic force of the elastic expansion member 40; When taking off the head-mounted device from the user's head, it is not necessary to reversely turn the knob 30, but only need to pull the knob 30, and the operation is more convenient.

Specifically, the housing 10 includes a trough-shaped seat shell 11, a cover plate 12 for covering the notch of the seat shell 11, and a mounting shaft 13 is arranged on the bottom of the seat shell 11, and the seat shell 11 corresponds to the first The sidewalls of the first cable 50 and the second cable 60 are respectively provided with through holes 14 for the first cable 50 and the second cable 60 to go out to the outside of the casing 10 .

A mounting hole is provided in the middle of the reel 20, and the mounting hole includes a straight hole part arranged on the side away from the knob 30, and the above-mentioned insertion hole 22 communicated with the straight hole part; Ring grooves 21 for accommodating the first cable 50 and the second cable 60 are respectively provided at the first cable 50 and the second cable 60 .

In the embodiment of the present invention, the one-way locking structure includes a plurality of housing one-way teeth 15 arranged at intervals along the circumference of the rotation axis of the knob 30 on the housing 10 , and correspondingly arranged on the side of the knob 30 close to the housing 10 There are at least two one-way teeth 32 on the knob, and the one-way teeth 32 of the knob are inserted between two adjacent one-way teeth 15 of the housing.

Usually, the number of one-way teeth 32 of the knob is the same as the number of one-way teeth 32 of the knob.

The housing 10 is provided with a support ring 16 coaxially arranged with the rotation axis of the knob 30, and the knob 30 is provided with an outer stop ring 35 located on the outer peripheral side of the support ring 16, and the one-way locking structure is arranged on the support ring 16. Between the end face and the knob 30 inside the outer stop ring 35 ; specifically, the one-way tooth 15 is set on the end face of the support ring 16 , and the one-way tooth 32 of the knob is set on the knob 30 inside the outer stop ring 35 . The knob 30 can be rotated stably through the cooperation of the outer stop ring 35 and the support ring 16 .

For ease of understanding, the locking principle of the fastening mechanism is explained as follows in conjunction with Figure 4 and Figure 5:

Since one side of the one-way tooth 15 of the housing and the one-way tooth 32 of the knob is set as a guide slope, and the other side is set as a vertical surface, when tightening, the guide slope of the one-way tooth 32 of the knob can be guided along the direction of the one-way tooth 15 of the housing. The inclined surface slides, and after sliding over one housing one-way tooth 15, the knob one-way tooth 32 is inserted between two adjacent housing one-way teeth 15, so that the vertical surface of the housing one-way tooth 15 is in contact with the latter housing one-way tooth The vertical planes of the teeth 15 correspond vertically, and the knob 30 cannot be rotated in reverse and can be locked.

Of course, the one-way locking structure can also be set as the following structure, including a plurality of knob one-way teeth 32 arranged at intervals along the circumference of the rotation axis of the knob 30 on the side of the knob 30 close to the housing 10, and correspondingly arranged on the housing 10 side. At least two housing one-way teeth 15 on 10, the housing one-way teeth 15 are inserted between two adjacent knob one-way teeth 32.

In the embodiment of the present invention, there are at least two first cables 50 and second cables 60 respectively, which can enhance the tensile performance and maintain the wearing comfort of the first elastic strap 70 and the second elastic strap 80 .

In some embodiments, the first cable 50 on one side of the first elastic strap 70 and the corresponding second cable 60 on one side of the second elastic strap 80 can also be connected as one, and the middle part is wound on the reel 20 or be fixed on the reel 20, which is convenient for installation and winding on the reel 20 synchronously.

For the head-mounted device involved in the present invention, after wearing the head-mounted device, the host is located on the front side of the user's head, and the fastening mechanism is located on the back side of the user's head. The cable 50 and the second cable 60 are wound on the reel 20 at the same time, so that tension can be generated between the host and the corresponding side of the fastening mechanism, and the head-mounted device can be firmly fixed on the user's head. There is a one-way locking structure between the support structures, which can limit the knob 30 to the position where it is turned, and can prevent loosening; when it needs to be loosened or removed from the user's head, pull the knob 30 to make the knob 30 and the support The one-way locking structure between the structures is separated, and the reverse rotation of the knob 30 can make the part of the first cable 50 and the second cable 60 wound on the reel 20 unscrew from the reel 20, which can increase the number of hosts. The length of the first cable 50 part and the length of the second cable 60 part between the corresponding side of the support structure can be loosened or the head-mounted device can be removed from the user's head; the head-mounted device of the embodiment of the present invention The fastening mechanism of the device is simple in structure and easy to operate, which solves the problems of inconvenient adjustment of the straps and complicated adjustment structure of the existing head-mounted device, and is easy to wear.

In the embodiment of the present invention, the two ends of the first elastic strap 70 and the second elastic strap 80 are detachably connected to the host 90 and the support structure respectively, usually through plugging, magnetic attraction, etc. to achieve detachable connection .

In some embodiments, the first elastic strap 70 and the second elastic strap 80 are integrally connected with the supporting structure, and the first elastic strap 70 and the second elastic strap 80 are detachably connected to the host 90 .

In the embodiment of the present invention, the head-mounted device is an AR head-mounted device, a VR head-mounted device, and the like.

The above descriptions are only some embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention within.

Claims (6)

1. A head-wearing device is characterized by comprising a first elastic bandage, a second elastic bandage and a fastening mechanism connected with the first elastic bandage and the second elastic bandage, wherein the fastening mechanism comprises a supporting structure, a reel rotatably installed on the supporting structure, a knob in transmission connection with the reel to drive the reel to rotate, a one-way locking structure which is arranged between the supporting structure and the knob and can be combined/separated, and a first cable and a second cable which are respectively arranged at two opposite sides of the supporting structure and are connected with the reel, and the first cable and the second cable are respectively connected with the first elastic bandage and the second elastic bandage;

a connecting rod which is coaxial with the knob is arranged on the knob, and an inserting structure is arranged between the connecting rod and the reel; the plug-in structure comprises a plug-in connector arranged at one end of the connecting rod far away from the knob, and a plug-in hole correspondingly arranged at the middle part of the reel; the connecting plug is prismatic, the side surface of each side is an inclined surface, and the diameter of an outer circumference circle of one end, far away from the connecting rod, of the connecting plug is smaller than that of one end, close to the connecting rod, of the connecting plug; the middle of the reel is provided with a mounting hole, the mounting hole comprises a straight hole part which is arranged at one side far away from the knob and an insertion hole which is communicated with the straight hole part, and the insertion head is matched with the insertion hole to limit the relative rotation of the connecting rod and the reel.

2. The headgear of claim 1, wherein the fastening mechanism further comprises a resilient extension for maintaining the one-way locking structure in an engaged state.

3. The headset of claim 2 wherein the support structure is a housing, the reel is rotatably mounted in a cavity defined by the housing, and the knob is disposed outside the housing and coaxially with the reel.

4. The head-mounted equipment according to claim 3, wherein a limiting structure is fixed on a part of the connecting rod inserted into the cavity enclosed by the shell, and the elastic telescopic piece is sleeved on the part of the connecting rod between the limiting structure and the inner side wall of the shell.

5. The headgear according to claim 3, wherein a support ring is provided on the housing coaxially with a rotation axis of the knob, an outer stopper ring is provided on an outer peripheral side of the support ring on the knob, and the one-way locking structure is provided between an end surface of the support ring and a portion of the knob inside the outer stopper ring.

6. The headgear according to claim 1, wherein the reel is provided with two annular grooves spaced apart from each other in an axial direction of the reel, and the first cable and the second cable are respectively provided in the two annular grooves.

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