CN220419693U - Rear binding band and head-mounted equipment - Google Patents

Abstract

The utility model belongs to the technical field of head-mounted display, and particularly relates to a rear binding band and head-mounted equipment; the device comprises a shell surrounding a slideway, a gear structure, a left rack and a right rack which are meshed with the upper side and the lower side of the gear structure for transmission, an elastic stretching structure respectively arranged between the left rack and the right rack and the shell at the corresponding side, an adjusting key which is slidably arranged on the shell, a locking structure which can be combined/separated along the sliding direction of the adjusting key and is arranged between the adjusting key and the gear structure, and a limiting structure arranged between the adjusting key and the shell; the head-mounted device comprises a host, a left connecting arm and a right connecting arm which are respectively arranged at the left side and the right side of the host, and a rear binding band which is arranged between the left connecting arm and the end part of the right connecting arm far away from the host, wherein a left rack and a right rack are respectively fixedly connected with the left connecting arm and the right connecting arm at the corresponding sides. The tightness adjustment structure is simple, the adjustment is convenient, and the problems that the tightness adjustment structure of the existing head-mounted equipment is complex and the adjustment is inconvenient are solved.

Description

Rear binding band and head-mounted equipment

Technical Field

The utility model belongs to the technical field of head-mounted display, and particularly relates to a rear binding band and head-mounted equipment.

Background

Currently, more and more head-mounted devices such as VR products and AR products are in daily life, most of the head-mounted devices are fixed on the head of a user through a binding band structure, and in order to adapt to the head girth of different users conveniently, the binding band structure can be adjusted in tightness according to needs.

The existing head-mounted equipment mainly carries out length adjustment through the cooperation of a gear, a rack and an adjusting wheel, realizes unidirectional locking through a ratchet pawl mechanism to limit the structure of the binding belt at the position to be adjusted, and the adjusting wheel can be rotated to carry out corresponding adjustment only by separating a pawl from a ratchet no matter whether the structure of the binding belt is loosened or tightened, so that the structure is complex and the adjustment is very inconvenient.

Disclosure of Invention

The utility model aims to provide a rear binding band and head-mounted equipment, and aims to solve the problems that an existing head-mounted equipment is complex in tightness adjusting structure and inconvenient to adjust.

The utility model discloses a rear binding belt, which comprises a shell surrounding a slideway, a gear structure rotatably arranged in the slideway, a left rack and a right rack which are respectively inserted into the slideway and meshed with the upper side and the lower side of the gear structure for transmission, an elastic stretching structure respectively arranged between the left rack and the shell at the corresponding side and between the right rack and the shell at the corresponding side, an adjusting key slidingly arranged on the shell, a locking structure capable of being combined/separated along the sliding direction of the adjusting key and a limiting structure arranged between the adjusting key and the shell for limiting the position of the adjusting key.

As an improvement, the gear structure comprises a transmission gear and a cylinder body coaxially arranged with the transmission gear, and the left rack and the right rack are respectively meshed with the upper side and the lower side of the transmission gear for transmission; the adjusting key is provided with a shaft body which extends along the axial direction of the cylinder body and is inserted into the cylinder body, and the locking structure is arranged between the shaft body and the inner side wall of the cylinder body.

As an improvement, the locking structure comprises a plurality of clamping grooves which are arranged on the inner side wall of the cylinder body and extend along the axial direction of the cylinder body, a plurality of clamping grooves are sequentially arranged along the circumferential direction of the cylinder body, and clamping connectors which are arranged on the outer side wall of the shaft body and used for being clamped into the clamping grooves.

As an improvement, the adjusting key is slidably mounted on the housing in the radial direction of the cylinder.

As an improvement, an elastic piece arranged along the sliding direction of the adjusting key is arranged in the slide way corresponding to the shaft body, and the elastic piece and the clamping connector are arranged at the same side of the shaft body.

As an improvement, the limiting structure comprises a limiting arm arranged on the adjusting key and a clamping protrusion arranged corresponding to the limiting arm.

As an improvement, a mounting plate is fixed inside the slide way, a mounting hole for the shaft body to pass through is formed in the mounting plate, a spring plate arranged along the sliding direction of the adjusting key is fixed on the mounting plate, an arc-shaped protrusion is arranged on the spring plate, and the arc-shaped protrusion is the clamping protrusion.

As an improvement, the elastic stretching structure comprises a rotating wheel rotatably arranged in the slide way and a coil spring encircling the rotating wheel, wherein the end part of the inner ring of the coil spring is fixedly connected with the rotating wheel, and the end part of the outer ring of the coil spring is fixedly connected with the left rack or the right rack on the corresponding side.

The utility model discloses a head-mounted device, which comprises a host, a left connecting arm and a right connecting arm which are respectively arranged at the left side and the right side of the host, and a rear binding band which is arranged between the end part of the left connecting arm far away from the host and the end part of the right connecting arm far away from the host, wherein a left rack and a right rack are respectively fixedly connected with the left connecting arm and the right connecting arm at corresponding sides.

As an improvement, the left rack and the right rack respectively comprise a connecting arm part and a rack part connected to the connecting arm part, and the connecting arm part of the left rack is fixedly connected with the left connecting arm and the connecting arm part of the right rack is fixedly connected with the right connecting arm.

By adopting the technical scheme, the rear binding belt comprises a shell surrounding a slideway, a gear structure rotatably arranged in the slideway, a left rack and a right rack which are respectively inserted into the slideway and meshed with the upper side and the lower side of the gear structure for transmission, an elastic stretching structure respectively arranged between the left rack and the shell at the corresponding side and between the right rack and the shell at the corresponding side, and an adjusting key slidably arranged on the shell, wherein a locking structure capable of being combined/separated along the sliding direction of the adjusting key is arranged between the adjusting key and the gear structure, and a limiting structure for limiting the position of the adjusting key is arranged between the adjusting key and the shell; the head-mounted device comprises a host, a left connecting arm and a right connecting arm which are respectively arranged at the left side and the right side of the host, and a rear binding band which is arranged between the left connecting arm and the end part of the right connecting arm far away from the host, wherein a left rack and a right rack are respectively fixedly connected with the left connecting arm and the right connecting arm at the corresponding sides.

When the anti-loosening device is worn, the locking structure between the adjusting key and the gear structure is separated by the sliding adjusting key, the left rack and the right rack are respectively slid to the outside of the slideway from the left side and the right side under the action of pulling force, the elastic stretching structure corresponding to the left rack and the elastic stretching structure corresponding to the right rack are stretched by the left rack, the gear structure can be driven to rotate when the left rack and the right rack slide, after the anti-loosening device is worn on the head of a user, the left rack and the right rack can be pulled to slide to the inside of the slideway under the action of the elasticity of the two elastic stretching structures, the wearing is realized by the elasticity of the two elastic stretching structures, the locking structure between the adjusting key and the gear structure is combined by the sliding adjusting key, the gear structure is not rotated any more, the left rack and the right rack can be locked at the position of the anti-loosening device; when the head-mounted device is taken off, the locking structure between the adjusting key and the gear structure is separated by sliding the adjusting key, and the head-mounted device can be taken off from the head of a user by directly pulling the rear binding belt and the host. The tightness adjustment structure is simple, the adjustment is convenient, and the problems that the tightness adjustment structure of the existing head-mounted equipment is complex and the adjustment is inconvenient are solved.

Drawings

FIG. 1 is a schematic perspective view of a rear strap of the present utility model;

FIG. 2 is a schematic perspective view of the rear housing with the rear strap removed;

FIG. 3 is a schematic cross-sectional structural view of the rear strap of the present utility model;

FIG. 4 is a schematic perspective view of the headset of the present utility model;

wherein, 11, front shell; 12. a rear case; 13. a left bracket; 14. a right bracket; 15. a mounting plate; 20. a gear structure; 21. a transmission gear; 22. a cylinder; 23. a clamping groove; 30a, left rack; 30b, right rack; 31. a connection arm portion; 32. a rack portion; 40. a coil spring structure; 50. a rotating wheel; 60. an adjustment key; 61. a shaft body; 62. a clamping joint; 63. the accommodating tube body; 64. a limiting arm; 70. an elastic member; 80. a spring plate; 81. arc-shaped bulges; 90. a host; 91. a left connecting arm; 92. and a right connecting arm.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 to 4 are schematic structural views of a rear strap and a head-mounted device of the present utility model, wherein fig. 1 shows a schematic perspective view of the rear strap of the present utility model, fig. 2 shows a schematic perspective view of the rear strap of the present utility model with a rear housing removed, fig. 3 shows a schematic sectional structural view of the rear strap of the present utility model, and fig. 4 shows a schematic perspective view of the head-mounted device of the present utility model. For convenience of description, only the parts related to the present utility model are shown in the drawings.

It should be noted that, if directional indications are referred to in the present utility model, such as up, down, front, back, left, right, etc., the directional indications are merely used to explain the relative positional relationship between the components in a certain specific posture, and if the specific posture is changed, the directional indications are correspondingly changed; if the description of "first", "second", etc. is referred to in this disclosure, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

As can be seen from fig. 1, 2, 3 and 4, the rear strap comprises a housing enclosing a slide way, a gear structure 20 rotatably mounted in the slide way, a left rack 30a and a right rack 30b respectively inserted into the slide way and meshed with the upper side and the lower side of the gear structure 20 for transmission, an elastic stretching structure respectively arranged between the left rack 30a and the housing on the corresponding side and between the right rack 30b and the housing on the corresponding side, an adjusting key 60 slidably mounted on the housing, a locking structure capable of being combined/separated along the sliding direction of the adjusting key 60 arranged between the adjusting key 60 and the gear structure 20, and a limiting structure arranged between the adjusting key 60 and the housing for limiting the position of the adjusting key 60.

The attachment and adjustment of the rear strap is described in connection with fig. 4 as follows:

the head-mounted device comprises a host 90, a left connecting arm 91 and a right connecting arm 92 which are respectively arranged at the left side and the right side of the host 90, a rear binding belt is arranged between the end part of the left connecting arm 91 far away from the host 90 and the end part of the right connecting arm 92 far away from the host 90, and a left rack 30a and a right rack 30b of the rear binding belt are respectively fixedly connected with the left connecting arm 91 and the right connecting arm 92 at the corresponding sides.

When the anti-loosening device is worn, the locking structure between the adjusting key 60 and the gear structure 20 is separated by the sliding adjusting key 60, the left rack 30a and the right rack 30b slide to the outside of the slideway respectively under the action of the pulling force after the pulling, the left rack 30a stretches the elastic stretching structure corresponding to the left rack 30a and the right rack 30b stretches the elastic stretching structure corresponding to the right rack 30b, the gear structure 20 can be driven to rotate when the left rack 30a and the right rack 30b slide, after the anti-loosening device is worn on the head of a user, the left rack 30a and the right rack 30b can be pulled to slide to the inside of the slideway under the action of the elastic force of the two elastic stretching structures, the wearing is realized by the elastic force of the two elastic stretching structures, the locking structure between the adjusting key 60 and the gear structure 20 is combined by the sliding adjusting key 60, the gear structure 20 can not rotate any more, and the left rack 30a and the right rack 30b can be locked at the sliding position, and can be loosened; when the head-mounted device is taken off, the locking structure between the adjusting key 60 and the gear structure 20 is separated by sliding the adjusting key 60, and the head-mounted device can be taken off from the head of a user by directly pulling the rear binding belt and the host 90; the tightness adjustment structure of the rear binding band is simple and convenient to adjust, and the problems that the tightness adjustment structure of the existing head-mounted equipment is complex and the adjustment is inconvenient are solved.

In the utility model, for easy installation, the gear structure 20 comprises a transmission gear 21 and a cylinder 22 coaxially arranged with the transmission gear 21, and a left rack 30a and a right rack 30b are respectively meshed with the upper side and the lower side of the transmission gear 21 for transmission; the adjustment key 60 is provided with a shaft body 61 inserted into the cylinder 22, and the locking structure is provided between the shaft body 61 and the inner side wall of the cylinder 22.

Specifically, as shown in fig. 3, the adjusting key 60 is slidably mounted on the housing in the radial direction of the cylinder 22, and the shaft body 61 extends in the axial direction of the cylinder 22; the locking structure includes a plurality of clamping grooves 23 arranged on the inner side wall of the cylinder 22 and extending along the axial direction of the cylinder 22, the clamping grooves 23 are sequentially arranged along the circumferential direction of the cylinder 22, and a clamping joint 62 arranged on the outer side wall of the shaft body 61 and used for being clamped into the clamping grooves 23.

Typically, the drive gear 21 is of unitary construction with the barrel 22.

In other embodiments, the adjusting key 60 is slidably mounted on the housing along the axial direction of the cylinder 22, and the locking joint 62 can slide along the axial direction of the cylinder 22 and slide into the corresponding locking groove 23, thereby realizing locking.

In the present utility model, as shown in fig. 2 and 3, the limiting structure includes a limiting arm 64 disposed on the adjusting key 60, and a locking protrusion disposed corresponding to the limiting arm 64, when the adjusting key 60 is slid, the limiting arm 64 follows the synchronous sliding, under the action of an external force, the limiting arm 64 slides over the locking protrusion, the locking structure between the adjusting key 60 and the gear structure 20 is combined together, and separation of the locking structure can be prevented by limiting between the limiting arm 64 and the locking protrusion.

Specifically, a mounting plate 15 is fixed inside the slide, a mounting hole for the shaft body 61 to pass through is further formed in the mounting plate 15, a spring plate 80 arranged along the sliding direction of the adjusting key 60 is fixed on the mounting plate 15, an arc-shaped protrusion 81 is arranged on the spring plate 80, and the arc-shaped protrusion 81 is a clamping protrusion.

As shown in fig. 2, an elastic member 70 disposed along the sliding direction of the adjusting key 60 is disposed at the position corresponding to the shaft body 61 in the slide, the elastic member 70 and the locking joint 62 are disposed at the same side of the shaft body 61, and the locking joint 62 and the locking groove 23 can be completely separated during adjustment, and meanwhile, the shaking of the adjusting key 60 can be avoided.

For easy installation, the shaft body 61 is correspondingly provided with a containing tube body 63, the hole wall of the installation hole is provided with a containing hole, and two ends of the elastic piece 70 are respectively inserted into the containing hole and the containing tube body 63. Specifically, the elastic member 70 is a spring, and may be an elastic column.

In other embodiments, the limiting structure may also be configured in a structure form including two limiting grooves spaced along the sliding direction of the adjusting key 60, and a clamping protrusion correspondingly disposed on the adjusting key, where the position of the adjusting key 60 is defined by cooperation between the clamping protrusion and the two limiting grooves.

In the present utility model, the elastic tension structure includes a rotating wheel 50 rotatably installed inside a slide, a coil spring 40 wound around the rotating wheel 50, an inner ring end of the coil spring 40 being fixedly connected to the rotating wheel 50, and an outer ring end of the coil spring 40 being fixedly connected to the left rack 30a or the right rack 30b of the corresponding side. When the left rack 30a and the right rack 30b slide outside the slide way from the left and right sides, the left rack 30a pulls the belt body of the coil spring 40 corresponding thereto to be unscrewed, the right rack 30b pulls the belt body of the coil spring 40 corresponding thereto to be unscrewed, and the two coil springs corresponding to the left rack 30a and the right rack 30b provide tension force.

In other embodiments, the resilient tensile structure may also be provided directly as a spring.

In the present utility model, the outer shell includes a front shell 11 and a rear shell 12 fastened together, a slideway is formed between the front shell 11 and the rear shell 12, an elongated hole communicating with the slideway is provided on the rear shell 12, the adjusting key 60 is slidably mounted at the elongated hole, specifically, a ring groove is provided on the adjusting key 60, and two long sides of the elongated hole are respectively snapped into the groove body portions at the corresponding sides of the ring groove.

For easy installation, a left bracket 13 and a right bracket 14 are respectively fixed in the slide rail corresponding to the left rack 30a and the right rack 30b, the left rack 30a is slidably installed between the left bracket 13 and the front case 11 or the rear case 12, and the right rack 30b is slidably installed between the right bracket 14 and the front case 11 or the rear case 12.

Specifically, at least two support posts are arranged on the left support 13 and the right support 14 corresponding to the mounting plates 15, and the mounting plates 15 are fixed on the at least two support posts through screws, so that the installation is convenient.

As shown in fig. 4, the present utility model also discloses a head-mounted device, which includes a main body 90, left and right connection arms 91 and 92 respectively disposed at left and right sides of the main body 90, and a rear strap disposed between an end of the left connection arm 91 remote from the main body 90 and an end of the right connection arm 92 remote from the main body 90, and left and right racks 30a and 30b of the rear strap are fixedly connected with the left and right connection arms 91 and 92, respectively, at corresponding sides.

In the present utility model, the left rack 30a and the right rack 30b include a connection arm 31 and a rack portion 32 connected to the connection arm 31, respectively, and the connection arm 31 of the left rack 30a is fixedly connected to the left connection arm 91 and the connection arm 31 of the right rack 30b is fixedly connected to the right connection arm 92.

The foregoing description of the embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a back bandage, includes the shell that encloses into the slide, rotates to install the inside gear structure of slide, insert respectively in the slide with gear structure's upper and lower both sides meshing transmission left rack, right rack, its characterized in that still includes setting up respectively left rack with correspond the side between the shell, right rack with correspond the side elastic stretching structure between the shell, slidable mounting is in adjusting key on the shell be equipped with between adjusting key with gear structure can follow the slip direction combination/the locking structure of separation of adjusting key be equipped with between adjusting key with be used for prescribing a limit to the position of adjusting key.

2. The rear bandage according to claim 1, wherein the gear structure comprises a transmission gear and a cylinder coaxially arranged with the transmission gear, and the left rack and the right rack are respectively meshed with the upper side and the lower side of the transmission gear for transmission; the adjusting key is provided with a shaft body which extends along the axial direction of the cylinder body and is inserted into the cylinder body, and the locking structure is arranged between the shaft body and the inner side wall of the cylinder body.

3. The back strap of claim 2 wherein the locking structure includes a plurality of detents disposed on the inner side wall of the barrel extending in the axial direction of the barrel, the plurality of detents being arranged in sequence in the circumferential direction of the barrel, and further including a snap fitting disposed on the outer side wall of the shaft for snapping into the detents.

4. A rear strap according to claim 3 wherein the adjustment key is slidably mounted on the housing in a radial direction of the barrel.

5. A rear strap according to claim 3 wherein an elastic member is provided in the interior of the slideway at a position corresponding to the shaft body in the sliding direction of the adjustment key, the elastic member being provided at the same side of the shaft body as the clip.

6. A rear strap according to any one of claims 2 to 5 wherein the limit structure comprises a limit arm provided on the adjustment key, a detent provided corresponding to the limit arm.

7. The rear strap of claim 6 wherein a mounting plate is secured within the slide, mounting holes are provided in the mounting plate for the axle to pass through, spring tabs are secured to the mounting plate along the sliding direction of the adjustment key, and arcuate projections are provided on the spring tabs, the arcuate projections being the snap projections.

8. The rear strap of claim 1 wherein the resilient tension structure comprises a runner rotatably mounted within the slideway, a wrap spring encircling the runner, an inner ring end of the wrap spring being fixedly connected to the runner, an outer ring end of the wrap spring being fixedly connected to the left or right rack on the respective side.

9. The head-mounted device comprises a host, and a left connecting arm and a right connecting arm which are respectively arranged at the left side and the right side of the host, and is characterized by further comprising a rear binding band according to any one of claims 1 to 8, wherein the rear binding band is arranged between the end part of the left connecting arm far away from the host and the end part of the right connecting arm far away from the host, and the left rack and the right rack are respectively fixedly connected with the left connecting arm and the right connecting arm at corresponding sides.

10. The head set according to claim 9, wherein the left rack and the right rack each include a connection arm portion, a rack portion connected to the connection arm portion, and the connection arm portion of the left rack is fixedly connected to the left connection arm and the connection arm portion of the right rack is fixedly connected to the right connection arm.