CN217065531U - Tightness adjusting device and head-mounted display equipment comprising same - Google Patents

Abstract

The utility model provides a tightness degree adjusting device and including its head-mounted display equipment. The slack adjuster is used for a first band element and a second band element. The tightness adjusting device comprises an outer adjusting element, an inner adjusting element and a middle adjusting element. The inner adjusting element is disposed inside the outer adjusting element. The intermediate adjusting element is disposed between the medial adjusting element and the lateral adjusting element. The first strap element includes a first through region and the second strap element includes a second through region. The inner adjusting element penetrates through the first penetrating area and the second penetrating area to adjust the overlapping degree of the first penetrating area and the second penetrating area.

Description

Tightness adjusting device and head-mounted display equipment comprising same

Technical Field

Some embodiments of the present invention relate to a slack adjuster.

Background

Many current devices are provided with band elements with adjustable tightness. For example, when a user wears a head-mounted display (HMD), it is often necessary to adjust the tightness of the headband to fit the head width. Similarly, when wearing a wristwatch, the user typically needs to adjust the tightness of the wristband to match the wrist thickness.

One common way of adjustment is to provide a knob for adjusting the tightness, by rotating the knob the tightness of the band element is adjusted at a relatively slow speed. In order to accelerate the adjustment of the tightness, it is possible in some devices to further provide a button for adjusting the tightness, by pressing the button to release or contract the band element at a relatively fast speed. However, the presence of both the knob and the key may affect the aesthetic appearance, may increase the manufacturing cost, and may cause the user to spend time finding the knob and the key respectively when wearing or wearing the device, thereby affecting the user experience. Therefore, a more convenient slack adjuster is needed.

SUMMERY OF THE UTILITY MODEL

Some embodiments of the utility model provide an elasticity adjusting device. The slack adjuster is used for a first band element and a second band element. The tightness adjusting device comprises an outer adjusting element, an inner adjusting element and a middle adjusting element. The inner adjusting element is disposed inside the outer adjusting element. The intermediate adjusting element is disposed between the medial adjusting element and the lateral adjusting element. The first band-shaped element comprises a first penetrating area, the second band-shaped element comprises a second penetrating area, and the inner adjusting element penetrates through the first penetrating area and the second penetrating area so as to adjust the overlapping degree of the first penetrating area and the second penetrating area.

In some embodiments, the first penetrating region includes a first tooth, the second penetrating region includes a second tooth, and the inner adjustment element includes an adjustment tooth, wherein the adjustment tooth is engaged with the first tooth and the second tooth. In some embodiments, the outer adjustment element includes an outer engagement portion and the middle adjustment element includes a middle engagement portion, the outer engagement portion having a shape corresponding to the shape of the middle engagement portion. In some embodiments, the outer adjustment member and the intermediate adjustment member are changeable between a disengaged state and an engaged state.

In some embodiments, the slack adjuster further comprises a resilient member. The elastic element is arranged between the middle adjusting element and the inner adjusting element and forces the outer adjusting element and the middle adjusting element to return to a contact state from a separation state.

In some embodiments, the slack adjuster further comprises a support member. The support member contacts at least one of the first and second ribbon elements. In some embodiments, the slack adjuster further comprises a securing element. The fixing member fixes the inner adjusting member to the support member.

In some embodiments, the slack adjuster further comprises a knob. The knob is disposed outside the outer adjustment member. The lateral adjustment element includes a plurality of lateral positioning portions. The knob comprises a knob rotating shaft and a plurality of knob rib parts, the knob rotating shaft penetrates through the outer side adjusting element, the middle adjusting element and the inner side adjusting element, and the knob rib parts penetrate through the outer side positioning part.

Some embodiments of the utility model provide a head-mounted display device. The head-mounted display device comprises a display module, a shell, a first head belt, a second head belt and a tightness adjusting device. The first headband is connected with the display module and the shell. The second headband is connected with the display module and the shell. The tightness adjusting device performs tightness adjustment on the first headband and the second headband. The tightness adjusting device comprises an outer adjusting element, an inner adjusting element and a middle adjusting element. The outer adjustment member is disposed adjacent an outer surface of the housing and includes a plurality of adjustment spines. The inner adjusting element is disposed inside the outer adjusting element. The intermediate adjusting element is disposed between the medial adjusting element and the lateral adjusting element. The housing includes a plurality of housing detents adjacent to the outer adjustment element, and the housing detents correspond to the adjustment detents.

In some embodiments, the slack adjustment includes a segmented adjustment and a non-segmented adjustment.

Drawings

The various aspects of the invention are best understood from the following detailed description when read with the accompanying drawing figures. It should be noted that the various features are not necessarily drawn to scale. In fact, the dimensions of the various features may be arbitrarily expanded or reduced for clarity of presentation.

Fig. 1 and 2 are perspective views of a first strap element, a second strap element, and a tightness adjustment device from different perspectives.

Fig. 3 and 4 are exploded views from different perspectives of the first strap element, the second strap element and the slack adjuster.

Fig. 5 is a top cross-sectional view of the first band element, the second band element, the slack adjuster, wherein the outer adjuster element and the intermediate adjuster element are in a contacting state.

Fig. 6 is a top sectional view of the first band member, the second band member, the slack adjuster, wherein the outer adjuster member and the intermediate adjuster member are in a separated state.

Fig. 7 is a perspective view of a head-mounted display device including a slack adjuster.

Fig. 8 is a partially enlarged view of the head mounted display apparatus, in which the knob is not shown.

Description of the reference numerals

10 first band-like element

11 the first through region

11T first tooth-shaped part

20 second band element

21 second penetration region

21T second toothed portion

100 tightness adjusting device

110 outer adjusting element

111 outer engaging part

112 adjusting the ratchet part

113 outside positioning part

120 intermediate regulating element

121 intermediate engaging part

130 inner adjusting element

131 inner engaging part

135 regulating tooth-shaped part

140 supporting element

141 fixing hole

150 fixing element

160 elastic element

170 knob

171 rotary shaft of knob

172 knob rib

200 head-mounted display device

210 first headband

220 second headband

230 display module

240 casing

242 shell spine

Detailed Description

The following disclosure provides many different embodiments or examples, and describes specific examples of components and arrangements to implement various features of the present disclosure. For example, if the specification recites a first feature formed "above" a second feature, it is intended that embodiments may include the first feature in direct contact with the second feature, as well as embodiments that include additional features formed between the first and second features, such that the first and second features are not in direct contact. These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be oriented in different orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, ordinal numbers such as "first," "second," etc., in the specification and claims are not used to distinguish one element from another, but rather are used to distinguish one element from another. Furthermore, in different examples of the present invention, repeated symbols or letters may be used.

Please refer to fig. 1 and fig. 2. Fig. 1 and 2 are perspective views of a first band element 10, a second band element 20, and a slack adjuster 100 from different perspectives. In some embodiments, the first strap element 10 and the second strap element 20 can be, but are not limited to, a headband, a wristband, a belt, and the like. In some embodiments, the first strip-like element 10 and the second strip-like element 20 are made of a stretchable material, but are not limited thereto.

For convenience of description, only portions of the first and second band elements 10 and 20 are shown. In some embodiments, the other end of the first strip-like element 10 and the other end of the second strip-like element 20 can be connected to the same element, but is not limited thereto. In some embodiments, the first band element 10 and the second band element 20 can be formed as a single annular band element, but are not limited thereto.

The tightness adjustment device 100 can adjust the tightness of the first band element 10 and the second band element 20. The first band element 10 comprises a first through area 11. The second strip-like element 20 comprises a second through-going region 21. When a tightness adjustment is performed, a degree of overlap of the first penetration region 11 and the second penetration region 21 changes. That is, the relative positions of the first band element 10 and the second band element 20 are changed to be loosened or tightened.

Next, please refer to fig. 3 and fig. 4. Fig. 3 and 4 are exploded views from different perspectives of the first band element 10, the second band element 20 and the slack adjuster 100. In the present embodiment, the slack adjuster 100 includes an outer adjusting member 110, a middle adjusting member 120, an inner adjusting member 130, a supporting member 140, a fixing member 150, an elastic member 160, and a knob 170. Elements may be added or deleted according to actual needs.

The outer adjustment member 110 is disposed between the support member 140 and the knob 170. The outer adjusting element 110 may include an outer engaging portion 111, a plurality of adjusting ratchet portions 112, and a plurality of outer positioning portions 113. The middle adjusting member 120 is disposed between the inner adjusting member 130 and the outer adjusting member 110. The intermediate adjusting member 120 may include an intermediate engaging portion 121. The inner adjusting member 130 is disposed inside the outer adjusting member 110 and fixed to the supporting member 140. The inner adjustment element 130 may include an inner engaging portion 131 and an adjustment tooth 135.

The outer adjustment member 110, the middle adjustment member 120, and the inner adjustment member 130 may be transmission members, such as gears, but are not limited thereto. The outer adjustment element 110, the middle adjustment element 120, and the inner adjustment element 130 can rotate synchronously by engaging the outer engaging portion 111, the middle engaging portion 121, and the inner engaging portion 131 with each other. In some embodiments, the shape of the outer engaging portion 111 corresponds to the shape of the middle engaging portion 121, and the middle engaging portion 121 corresponds to the shape of the inner engaging portion 131, such as, but not limited to, a polygon, a star, etc.

The inner adjusting member 130 passes through the first through region 11 and the second through region 21 to perform the tightness adjustment of the first band member 10 and the second band member 20. In some embodiments, the first penetrating region 11 includes a first tooth 11T, the second penetrating region 21 includes a second tooth 21T, and the adjusting tooth 135 is engaged with the first tooth 11T and the second tooth 21T. With the clockwise rotation or counterclockwise rotation of the inner adjusting member 130, the degree of coincidence of the first through region 11 of the first band element 10 with the second through region 21 of the second band element 20 can be changed.

In some embodiments, the first tooth 11T is formed on the lower side of the first through region 11, and the second tooth 21T is formed on the upper side of the second through region 21. The first tooth portion 11T and the second tooth portion 21T formed on different sides facilitate the engagement of the adjustment tooth portion 135 with the first tooth portion 11T and the second tooth portion 21T.

The supporting member 140 may contact at least one of the first band element 10 and the second band element 20, so that the tightness adjustment of the first band element 10 and the second band element 20 is more stable. Also, the support member 140 may fix the outer regulation member 110, the middle regulation member 120, and the inner regulation member 130. The support member 140 may include a fixing hole 141. The fixing member 150 may pass through the fixing hole 141 of the supporting member 140 to fix the inner adjusting member 130 to the supporting member 140. In some embodiments, the fixing element 150 may be a screw, a bolt, etc., but is not limited thereto.

The elastic member 160 is disposed between the middle adjusting member 120 and the inner adjusting member 130. The elastic member 160 is made of a material having elasticity to provide elastic restoring force. In some embodiments, the elastic element 160 may be a spring, but is not limited thereto.

The knob 170 is disposed outside the outer adjustment member 110. In some embodiments, the knob 170 may have a substantially circular profile to facilitate rotation, but is not limited thereto. In some embodiments, a major surface of the knob 170 is made of a deformable material to facilitate pressing, but is not limited thereto. The knob 170 includes a knob shaft 171 and a plurality of knob ribs 172. The knob shaft 171 passes through the outer adjustment member 110, the middle adjustment member 120, and the inner adjustment member 130. The knob rib 172 passes through the outer positioning portion 113 of the outer adjusting member 110. In this way, the user can drive the outer adjustment element 110 by applying force (e.g., rotating) to the knob 170.

Next, please refer to fig. 5 and fig. 6. Fig. 5 is a top sectional view of the first band element 10, the second band element 20, the slack adjuster 100, wherein the outer adjusting element 110 and the intermediate adjusting element 120 are in a contact state. Fig. 6 is a top sectional view of the first band member 10, the second band member 20, the slack adjuster 100, in which the outer adjusting member 110 and the intermediate adjusting member 120 are in a separated state. That is, the outer adjustment member 110 and the middle adjustment member 120 may be changed between the separated state and the contact state. The arrows shown in fig. 5 and 6 may represent the rotation knob 170 and the pressing knob 170, respectively, but the actual force application position is not limited thereto.

As shown in FIG. 5, when the outer adjustment member 110 and the middle adjustment member 120 are in contact, the knob 170 can be rotated to rotate the outer adjustment member 110 by the contact between the knob rib 172 and the outer adjustment member 110. The middle adjusting element 120 and the inner adjusting element 130 can be further driven to rotate by the mutual engagement of the outer adjusting element 110, the middle adjusting element 120 and the inner adjusting element 130. Through the inner adjusting member 130, the overlapping degree of the first penetrating region 11 of the first band element 10 and the second penetrating region 21 of the second band element 20 can be changed to adjust the tightness of the first band element 10 and the second band element 20.

In the present embodiment, clockwise rotation of the knob 170 can increase the overlapping degree of the first through region 11 and the second through region 21 to become tight, and counterclockwise rotation of the knob 170 can decrease the overlapping degree of the first through region 11 and the second through region 21 to become loose.

As shown in fig. 6, the knob 170 can be pressed to disengage the middle adjustment member 120 from the outer adjustment member 110, and when the outer adjustment member 110 and the middle adjustment member 120 are in a separated state, the tightness (the overlapping degree of the first penetrating region 11 and the second penetrating region 21) of the first band member 10 and the second band member 20 can be quickly adjusted by directly pulling the first band member 10 and the second band member 20. When the user no longer presses (i.e., releases) the knob 170, the compressed elastic member 160 may provide a restoring force to the middle adjustment member 120 to force the outer and middle adjustment members 110 and 120 to return from the separated state to the contact state.

Therefore, the rotation adjustment and the pressing adjustment can be performed by a single slack adjuster 100, thereby increasing convenience. Therefore, the knob and the key do not need to be arranged respectively, the aesthetic degree can be improved, and the manufacturing cost can be reduced. In addition, the user does not need to spend time respectively searching for the knob and the key, so the user experience can be improved.

In the following, the same or similar elements will be denoted by the same or similar symbols. Next, please refer to fig. 7 and fig. 8. Fig. 7 is a perspective view of a head-mounted display apparatus 200 including the slack adjuster 100. Fig. 8 is a partially enlarged view of the head-mounted display apparatus 200, in which the knob 170 is not shown. The head-mounted display device 200 may apply Virtual Reality (VR) technology or Augmented Reality (AR) technology, etc.

In the embodiment, the head-mounted display device 200 includes a first headband 210, a second headband 220, a display module 230, and a housing 240. Elements may be added or deleted according to actual needs. For example, to increase the stability of the head mounted display device 200, additional headbands may be provided over the user's head. The first and second headbands 210, 220 connect the display module 230 and the housing 240. The display module 230 may be a liquid crystal display module (LCM) or an OLED panel. The display module 230 is disposed in front of both eyes of the user. The display module 230 includes a left-eye display module and a right-eye display module, which respectively display a left-eye image and a right-eye image.

The slack adjuster 100 is disposed in the housing 240. In some embodiments, the slack adjuster 100 is positioned directly behind the user's head, which can reduce the time required for the user to find the position of the slack adjuster 100 for increased convenience. The outer adjustment member 110 is disposed adjacent to an outer surface of the housing 240. The housing 240 includes a plurality of housing detents 242 adjacent the outer adjustment member 110. In some embodiments, the shape of the housing spine 242 corresponds to the shape of the adjustment spine 112, such as, but not limited to, a triangle.

When a user performs the tightening adjustment of the first headband 210 and the second headband 220 by rotating the knob 170 of the tightening device 100 (as shown in fig. 5), each of the housing ratchets 242 stops the rotation of the outer adjustment element 110 and prevents the outer adjustment element 110 from wobbling or moving. Further, the stopping of the adjustment detents 112 by the housing detents 242 may produce a sound, such as a click, so that the user may be more clearly informed of the adjustment and experience a segmented adjustment. Thus, the rotation of the slack adjuster 100 can be considered a segmented adjustment.

In contrast, when the user performs the tightness adjustment of the first headband 210 and the second headband 220 by pressing the tightness adjustment device 100 (as shown in fig. 6), the user can adjust the tightness by directly pulling the first headband 210 and the second headband 220 without performing the segmental adjustment. Thus, the pressing of the slack adjuster 100 is considered a stepless adjustment and can be quickly adjusted.

When the user wears the head-mounted display device 200, the user can select the step-type adjustment or the stepless adjustment according to the actual requirement. In some embodiments, the adjustment amplitude of the segmented adjustment is relatively small, so that finer adjustment can be achieved, but is not limited thereto. In some embodiments, the adjustment range of the stepless adjustment is relatively large, so that a faster adjustment can be achieved, but is not limited thereto. By the collocation of sectional type regulation and stepless type regulation, can satisfy required regulation speed and regulation precision, so can further promote user experience.

For example, when the head-mounted display device 200 is not worn, the user can press the knob 170 first to quickly release or loosen the first headband 210 and the second headband 220 through stepless adjustment. Next, after wearing the head-mounted display device 200, the knob 170 may be pressed again to contract the first headband 210 and the second headband 220 at a relatively fast speed through stepless adjustment, and to make the tightness approximately fit the head width. After stopping pressing (releasing) the knob 170, the knob 170 may be rotated such that the tightness of the first headband 210 and the second headband 220 further matches the head width through the step adjustment. However, the above steps are only examples, and the user may add or omit steps related to the step-type adjustment and the step-less adjustment.

Based on the utility model discloses, can carry out the tight regulation through rotatory and pressing single tight regulation device to increase the convenience. Therefore, the knob and the key do not need to be arranged respectively, the aesthetic degree can be improved, and the manufacturing cost can be reduced. In addition, the user does not need to spend time respectively searching for the knob and the key, so the user experience can be improved. Furthermore, when the utility model discloses a tightness adjusting device is applied to equipment, equipment can be including the structure that is used for the locking for the user can definitely learn the regulation situation, and has the impression of carrying out the segmentation regulation. The user can select to carry out the segmental adjustment or the stepless adjustment according to the actual requirement. By the collocation of sectional type regulation and stepless type regulation, can satisfy required regulation speed and regulation precision, so can further promote user experience.

The foregoing outlines features of several embodiments so that those skilled in the art may better understand the aspects of the present disclosure. Those skilled in the art should appreciate that they can readily use the present invention as a basis for designing or modifying other processes and apparatus for carrying out the same purposes or achieving the same advantages of the embodiments introduced herein. Those skilled in the art should also realize that such equivalent arrangements do not depart from the spirit and scope of the present invention, and that they may make various changes, substitutions and alterations herein without departing from the spirit and scope of the present invention.

Claims (10)

1. A slack adjustment device for a first strap member and a second strap member, comprising:

an outer adjustment member;

an inner adjusting element disposed inside the outer adjusting element; and

the middle adjusting element is arranged between the inner adjusting element and the outer adjusting element;

the first band-shaped element comprises a first penetrating area, the second band-shaped element comprises a second penetrating area, and the inner adjusting element penetrates through the first penetrating area and the second penetrating area to adjust the overlapping degree of the first penetrating area and the second penetrating area.

2. The slack adjuster of claim 1, wherein the first through area includes a first tooth, the second through area includes a second tooth, and the inner adjuster element includes an adjuster tooth, wherein the adjuster tooth is engaged with the first tooth and the second tooth.

3. The slack adjuster of claim 1, wherein the outer adjuster includes an outer engaging portion and the intermediate adjuster includes an intermediate engaging portion, the outer engaging portion having a shape corresponding to the shape of the intermediate engaging portion.

4. The slack adjuster of claim 1, wherein the outer adjuster element and the intermediate adjuster element are changeable between a disengaged state and an engaged state.

5. The slack adjuster of claim 4, further comprising a resilient member, wherein the resilient member is disposed between the intermediate adjuster and the inner adjuster, and the resilient member urges the outer adjuster and the intermediate adjuster from the disengaged state back to the engaged state.

6. A slack adjuster as set forth in claim 1 further comprising a support member, wherein said support member contacts at least one of said first strap member and said second strap member.

7. The slack adjuster of claim 6, further comprising a securing member, wherein the securing member secures the inner adjusting member to the support member.

8. The slack adjuster of claim 1, further comprising a knob, wherein the knob is disposed outside the outer adjuster, wherein the outer adjuster includes a plurality of outer detents, wherein the knob includes a knob shaft and a plurality of knob ribs, wherein the knob shaft passes through the outer adjuster, the middle adjuster, and the inner adjuster, and wherein the plurality of knob ribs pass through the plurality of outer detents.

9. A head-mounted display device, comprising:

a display module;

a housing;

the first head band is connected with the display module and the shell;

the second head band is connected with the display module and the shell; and

an elasticity adjusting device carries out an elasticity to this first headband and this second headband and adjusts, and wherein this elasticity adjusting device includes:

an outer adjustment element disposed adjacent an outer surface of the housing and including a plurality of adjustment ratchet portions;

an inner adjusting element disposed inside the outer adjusting element; and

the middle adjusting element is arranged between the inner adjusting element and the outer adjusting element;

the shell comprises a plurality of shell thorn parts adjacent to the outer adjusting element, and the shell thorn parts correspond to the adjusting thorn parts.

10. The head-mounted display device of claim 9, wherein the slack adjustment comprises a segmented adjustment and a non-segmented adjustment.

Images