ADJUSTABLE STRAP AND HEAD MOUNTED DISPLAY DEVICE
An adjustable strap and a head mounted display device are provided. The adjustable strap includes a body, a sliding member, a limiting member, and an engaging member. The body has a slot section and a control section. The slot section has a slot and an engaging portion. The control section has a through hole. The slot section and the control section overlap. The sliding member and the limiting member pass through the slot and the through hole for connection. The engaging member and the control section pass through the slot for fixed connection. The sliding member and the limiting member are configured to slide between a first end and a second end of the through hole. When the sliding member and the limiting member are at the first end, the limiting member restricts an engaging end of the engaging member to be away from the engaging portion, such that the slot section and the control section are relatively slidable. When the sliding member and the limiting member are at the second end, the limiting member releases restriction of the engaging end, such that the engaging end engages the engaging portion to restrict relative sliding between the slot section and the control section.
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This application claims the priority benefit of U.S. provisional application Ser. No. 62/717,915, filed on Aug. 13, 2018. The entirety of the above-mentioned patent application is hereby incorporated by reference herein and made a part of this specification.
BACKGROUND Technical FieldThe application relates to a strap and a display device, and more particularly, the application relates to an adjustable strap and a head mounted display device featuring the adjustable strap.
Description of Related ArtIn recent years, applications of virtual reality (VR) become more and more popular. Generally, a user usually fixes a head mounted display (HMD) onto the head through a strap. In order to allow users to easily tighten and release the straps, it is observed that complicated mechanical design is adopted at present, and as such, a large number of parts are required, costs are raised, and assembly difficulty is increased. Therefore, how to fix a head mounted display device onto a user's head through a simple and convenient manner and reduce costs at the same time is an important issue.
SUMMARYThe application provides an adjustable strap which allows a user to make adjustment easily and quickly.
An adjustable strap of the application includes a body, a sliding member, a limiting member, and an engaging member. Two opposite sides of the body are a slot section and a control section, and the slot section has a slot and an engaging portion. The slot extends in a length direction of the slot section. The engaging portion is located at lateral sides of the slot. The control section has a through hole. The body circles around to enable the slot section and the control section to overlap. The sliding member and the limiting member pass through the slot and the through hole for connection. The slot section and the control section are sandwiched between the sliding member and the limiting member. The engaging member and the control section pass through the slot for fixed connection, and the sliding member and the limiting member are configured to slide between a first end and a second end opposite to each other of the through hole. The first end is farther away from the engaging member fixedly connected to the control section than the second end. When the sliding member and the limiting member are at the first end, the limiting member restricts an engaging end of the engaging member to be away from the engaging portion, such that the slot section and the control section are relatively slidable freely. When the sliding member and the limiting member are at the second end, the limiting member releases restriction of the engaging end, such that the engaging end engages the engaging portion to restrict relative sliding between the slot section and the control section.
A head mounted display device of the application includes a display portion and an adjustable strap. The adjustable strap is connected to the display portion. The adjustable strap includes a body, a sliding member, a limiting member, and an engaging member. Two opposite sides of the body are a slot section and a control section, and the slot section has a slot and an engaging portion. The slot extends in a length direction of the slot section. The engaging portion is located at lateral sides of the slot. The control section has a through hole. The body circles around to enable the slot section and the control section to overlap. The sliding member and the limiting member pass through the slot and the through hole for connection. The slot section and the control section are sandwiched between the sliding member and the limiting member. The engaging member and the control section pass through the slot for fixed connection, and the sliding member and the limiting member are configured to slide between a first end and a second end opposite to each other of the through hole. The first end is farther away from the engaging member fixedly connected to the control section than the second end. When the sliding member and the limiting member are at the first end, the limiting member restricts an engaging end of the engaging member to be away from the engaging portion, such that the slot section and the control section are relatively slidable freely. When the sliding member and the limiting member are at the second end, the limiting member releases restriction of the engaging end, such that the engaging end engages the engaging portion to restrict relative sliding between the slot section and the control section.
To sum up, in the adjustable strap and the head mounted display device of the application, since the slot section and the control section are located at the two opposite sides of the body, the total number of parts of the application is accordingly reduced and costs are further lowered. In addition, as the through hole is formed on the control section and the sliding member and the limiting member can slide between the first end and the second end of the through hole, the engaging ends are further driven to be away from or propped against the engaging portion, so that the slot section and the control section are controlled to relatively slide, and the body is therefore adjusted. The structural design between the slot section and the control section allow the user only has to push the sliding member along the slot when using the adjustable strap provided by the application, and that adjustment and locking are completed at the same time, and convenient using experience is thus provided.
To make the aforementioned more comprehensible, several embodiments accompanied with drawings are described in detail as follows.
In this embodiment, the adjustable strap 100 includes a body 110, a sliding member 120, a limiting member 130, and an engaging member 140. Two sides of the body 110 are a slot section 111 and a control section 112, and the body 110 circles around to enable a portion of the slot section 111 and a portion of the control section 112 to overlap. For instance, the slot section 111 and the control section 112 of the body 110 are connected by a middle section (not labeled), and the display portion 12 is connected to the middle section. The slot section 111 has a slot 114 and an engaging portion 116. The slot 114 extends in a length direction L of the slot section 111. The engaging portion 116 is located at lateral sides of the slot 114. In this embodiment, the engaging portion 116 is located at two lateral sides of the slot 114, but the engaging portion 116 may also be located only at one single lateral side of the slot 114, and the application is not limited thereto. The control section 112 has a through hole 115 (shown in
As shown in
With reference to
The following provides further description describing how the adjustable strap 100 of this embodiment is used. With reference to
As shown in
With reference to
In view of the foregoing, in the adjustable strap and the head mounted display device of the application, since the slot section and the control section are located at the two opposite sides of the body and adjustment and fixation can be made without additional pressing buttons, buckles, or other accessories for fixing to be disposed, and thus, the total number of parts is reduced and costs are further lowered. In addition, as the through hole is formed on the control section and the sliding member and the limiting member can slide between the first end and the second end of the through hole, the engaging ends are further driven to be away from or propped against the engaging portion, so that the slot section and the control section are controlled to relatively slide, and the body is therefore adjusted. Through the structural design between the slot section and the control section, the user only has to push the sliding member along the slot when using the adjustable strap provided by the application, and that adjustment and locking are completed at the same time, and convenient using experience is thus provided.
It will be apparent to those skilled in the art that various modifications and variations can be made to the disclosed embodiments without departing from the scope or spirit of the disclosure. In view of the foregoing, it is intended that the disclosure covers modifications and variations provided that they fall within the scope of the following claims and their equivalents.
Claims
1. An adjustable strap, comprising:
- a body, two opposite sides of the body being a slot section and a control section, wherein the slot section has a slot and an engaging portion, the slot extends in a length direction of the slot section, the engaging portion is located at lateral sides of the slot, and the control section has a through hole;
- a sliding member;
- a limiting member, wherein the body circles around to enable the slot section and the control section to overlap, the sliding member and the limiting member pass through the slot and the through hole for connection, and the slot section and the control section are sandwiched between the sliding member and the limiting member; and
- an engaging member, passing through the slot with the control section for fixed connection, wherein the sliding member and the limiting member are configured to slide between a first end and a second end opposite to each other of the through hole, the first end is farther away from the engaging member fixedly connected to the control section than the second end,
- when the sliding member and the limiting member are at the first end, the limiting member restricts an engaging end of the engaging member to be away from the engaging portion, such that the slot section and the control section are relatively slidable,
- when the sliding member and the limiting member are at the second end, the limiting member releases restriction of the engaging end, such that the engaging end engages the engaging portion to restrict relative sliding between the slot section and the control section.
2. The adjustable strap as claimed in claim 1, wherein the engaging portion has a plurality of triangular teeth, and when the sliding member and the limiting member are located at the second end, a first inclined surface of each of the triangular teeth is configured to be propped against the engaging end, and a second inclined surface of each of the triangular teeth is closer to a tail end of the slot section than the first inclined surface.
3. The adjustable strap as claimed in claim 2, wherein included angles between the first inclined surfaces and the length direction are between 60 degrees and 80 degrees, and included angles between the second inclined surfaces and the length direction are between 10 degrees and 30 degrees.
4. The adjustable strap as claimed in claim 2, wherein included angles between the first inclined surfaces and the length direction are 75 degrees, and included angles between the second inclined surfaces and the length direction are 18 degrees.
5. The adjustable strap as claimed in claim 1, wherein the engaging portion is located at two lateral sides of the slot, and the engaging member has two engaging ends.
6. The adjustable strap as claimed in claim 1, further comprising a crossover connection member, crossing portions of the slot section located at two sides of the slot.
7. The adjustable strap as claimed in claim 1, wherein the control section has a stopping portion located next to one end of the slot away from a tail end of the slot section and configured to be in contact with a tail end of the control section to stop the control section.
8. A head mounted display device, comprising:
- a display portion; and
- an adjustable strap, connected to the display portion and comprising:
- a body, two opposite sides of the body being a slot section and a control section, wherein the slot section has a slot and an engaging portion, the slot extends in a length direction of the slot section, the engaging portion is located at lateral sides of the slot, and the control section has a through hole;
- a sliding member;
- a limiting member, wherein the body circles around to enable the slot section and the control section to overlap, the sliding member and the limiting member pass through the slot and the through hole for connection, and the slot section and the control section are sandwiched between the sliding member and the limiting member; and
- an engaging member, passing through the slot with the control section for fixed connection, wherein the sliding member and the limiting member are configured to slide between a first end and a second end opposite to each other of the through hole, the first end is farther away from the engaging member fixedly connected to the control section than the second end,
- when the sliding member and the limiting member are at the first end, the limiting member restricts an engaging end of the engaging member to be away from the engaging portion, such that the slot section and the control section are relatively slidable,
- when the sliding member and the limiting member are at the second end, the limiting member releases restriction of the engaging end, such that the engaging end engages the engaging portion to restrict relative sliding between the slot section and the control section.
9. The head mounted display device as claimed in claim 8, wherein the engaging portion has a plurality of triangular teeth, and when the sliding member and the limiting member are located at the second end, a first inclined surface of each of the triangular teeth is configured to be propped against the engaging end, and a second inclined surface of each of the triangular teeth is closer to a tail end of the slot section than the first inclined surface.
10. The head mounted display device as claimed in claim 9, wherein included angles between the first inclined surfaces and the length direction are between 60 degrees and 80 degrees, and included angles between the second inclined surfaces and the length direction are between 10 degrees and 30 degrees.
11. The head mounted display device as claimed in claim 9, wherein included angles between the first inclined surfaces and the length direction are 75 degrees, and included angles between the second inclined surfaces and the length direction are 18 degrees.
12. The head mounted display device as claimed in claim 8, wherein the engaging portion is located at two lateral sides of the slot, and the engaging member has two engaging ends.
13. The head mounted display device as claimed in claim 8, wherein the adjustable strap further comprises a crossover connection member, crossing portions of the slot section located at two sides of the slot.
14. The head mounted display device as claimed in claim 8, wherein the control section has a stopping portion located next to one end of the slot away from a tail end of the slot section and configured to be in contact with a tail end of the control section to stop the control section.
Type: Application
Filed: Jan 28, 2019
Publication Date: Feb 13, 2020
Applicant: HTC Corporation (Taoyuan City)
Inventors: Sheng-Cherng Lin (Taoyuan City), Jui-Hsiang Lin (Taoyuan City)
Application Number: 16/258,678