WO2020038004A1

WO2020038004A1 - Adjustable headband device

Info

Publication number: WO2020038004A1
Application number: PCT/CN2019/083594
Authority: WO
Inventors: 杨林林; 林益邦
Original assignee: 华为技术有限公司
Priority date: 2018-08-24
Filing date: 2019-04-22
Publication date: 2020-02-27
Also published as: CN109239921A; CN109239921B

Abstract

An adjustable headband device. The headband device comprises: a front support component (320, 420); a first elastic component (330, 430) and a second elastic component (340, 440), the first elastic component (330, 430) and the second elastic component (340, 440) being each connected to one end respectively of the front support component (320, 420); a rear connection component (350, 450) connected both to the first elastic component (330, 430) and to the second elastic component (340, 440) so as to form an annular connection of the support component (320, 420), the first elastic component (330, 430), the second elastic component (340, 440), and the rear connection component (350, 450); a first rotating wheel group component (310, 420), the first rotating wheel group component (310, 410) being provided in the front support component (320, 420); a first drawline component, one end of the first drawline component being connected to the first rotating wheel group component (310, 410), and the other end of the first drawline component being connected to the rear connection component (350, 450); wherein the first rotating wheel group component (310, 410) is used for contracting the rear connection component (350, 450) by driving the drawline component. The headband device can ensure that the headband device is portable and can be stored, and meanwhile, the adjustability and the comfortable wearability are improved.

Description

Adjustable headband device

Technical field

The present application relates to the field of structure, and more particularly, to an adjustable headband device.

Background technique

The head-mounted display device is worn on the user's head by a headband component. The head-mounted display device generally has considerable weight and volume, and needs to be firmly and comfortably worn. At the same time, it also needs to serve as the head circumference size and head shape of different users. There are two main ways of the current headband, namely a hard headband and a soft headband.

However, the conventional head-mounted display device with a rigid headband has the problems of being bulky, difficult to store, and difficult to carry. Generally, a soft headband uses a Velcro to adjust the sticking position to achieve length adjustment. It is difficult to adjust the length by using a Velcro. Since the segments are tightened to the head, the overall comfort is poor.

Therefore, there is a need to provide a technology that can improve the adjustability and ease of storage of a head-mounted display device.

Summary of the Invention

The present application provides an adjustable headband device, which can ensure that the headband device can be stored lightly, while improving the adjustability and comfortable wearing.

In a first aspect, an adjustable headband device is provided. The headband device includes:

Front support

A first elastic member and a second elastic member, the first elastic member and the second elastic member being connected to both ends of the front support member, respectively;

A rear connecting member that is connected to the first elastic member and the second elastic member, respectively, to form the front support member, the first elastic member, the second elastic member, and the rear Ring connection of connecting parts;

A first runner group component, which is disposed in the front support member;

A first wire drawing member, one end of the first wire drawing member is connected to the first runner group member, and the other end of the first wire drawing member is connected to the rear connecting member;

Wherein, the first wheel group component is used for contracting the rear connecting component by driving the wire pulling component.

In the embodiment of the present application, an adjustable headband device is provided. By using an elastic member, for example, a headband device that can be an elastic band and a wheel set component, it can ensure that the headband device can be stored lightly while improving Adjustable and comfortable to wear.

With reference to the first aspect, in some implementations of the first aspect, the headband device further includes:

A second runner group component, which is disposed in the front support member;

A second pulling member, one end of the second pulling member is connected to the second runner group member, and the other end of the second pulling member is connected to the rear connecting member;

Wherein, the first and second pulling members are respectively connected to different ends of the rear connecting member.

With reference to the first aspect, in some implementations of the first aspect, the first runner group component and the second runner group component are disposed at both ends of the front support member.

It should be understood that, in the embodiment of the present application, a wheel set member may be provided at one end of the front support member, or a wheel set member may be provided at both ends of the front support member, that is, the adjustable in the embodiment of the present application. The headband device may include a first runner group component, and may also include a first runner group component and a second runner group component.

With reference to the first aspect, in some implementations of the first aspect, the first cable member is connected to a first end of the rear connection member, and the second cable member is connected to a second end of the rear connection member A connection, wherein a distance between the first wire member and the first end is greater than a distance between the first wire member and the second end, and a distance between the second wire member and the second end is greater than the first wire member The distance between the two pull wire members and the first end.

It should be understood that the first and second pull-wire members are connected to different ends of the rear connection member, respectively, and include multiple possible implementation manners. For example, the first and second pull-wire members are interwoven with the rear connection member to be connected; the first and second pull-wire members may be fixed to the two ends of the rear-connection member, respectively; It includes a fixing member, and the first and second pulling wire members are respectively wound on the fixing member and connected with the rear connecting member. The above is an example, which is not limited in this application.

It should be noted that one end of the first cable member is fixed to a far end of the rear connection member, and one end of the second cable member is fixed to a farther end of the rear connection member.

For example, the end of the left pull wire (first pull wire member) is fixed to the right end of the rear connection member, and the end of the right pull wire (second pull wire member) is fixed to the left end of the rear connection member.

With reference to the first aspect, in some implementations of the first aspect, the headband device includes:

A rear support member which is disposed at an intermediate position of the rear connection member.

It should be understood that the rear support member is disposed at an intermediate position of the rear connection member, and the rear support member may be used to provide support comfort for a user's hindbrain portion.

With reference to the first aspect, in some implementations of the first aspect, the rear connecting member is a double-layer woven cloth.

With reference to the first aspect, in some implementation manners of the first aspect, the first pulling wire member and the second pulling wire member are ring-shaped.

With reference to the first aspect, in some implementation manners of the first aspect, the first wire drawing component and the second wire drawing component are nylon ropes or steel wire ropes.

With reference to the first aspect, in some implementations of the first aspect, the front support member is a plastic piece.

With reference to the first aspect, in some implementations of the first aspect, an inner surface of the front support member is provided with a buffer sponge that is in contact with a user's head.

With reference to the first aspect, in some implementations of the first aspect, the rear support member is made of a soft material.

With reference to the first aspect, in some implementations of the first aspect, the soft material is a polyurethane material or a thermoplastic polyurethane elastomer material.

For example, to improve the comfort of the adjustable headband device, the rear support member 360 may be made of a soft material. For example, the rear support member 360 may be made of a polyurethane material, and the polyurethane material may also be referred to as a polyurethane.

Polyurethane materials have many advantages, such as: low density, soft texture, comfortable and lightweight; good dimensional stability, long storage life; excellent abrasion resistance, flex resistance; excellent shock absorption, non-slip performance; better temperature Performance; good chemical resistance, etc.

For example, the rear support member 360 may be made of a thermoplastic polyurethane elastomer (tpu).

TPU has excellent characteristics of high tension, high tension, toughness and aging resistance, and is a mature environmental protection material. At present, TPU has been widely used in medical and health, electronics and electrical, industrial and sports, etc., it has characteristics such as high strength, toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and other characteristics that cannot be matched by other plastic materials At the same time, it has many excellent functions such as high water resistance, moisture permeability, wind resistance, cold resistance, antibacterial, mildew resistance, warmth, UV resistance, and energy release. Thermoplastic polyurethane elastomer TPU can be divided into polyester type and polyether type according to the molecular structure, and can be divided into injection molding grade, extrusion grade, blow molding grade and so on according to the processing method.

With reference to the first aspect, in some implementations of the first aspect, the first runner group component and the second runner group component include a runner and a gear, respectively, and the gear is turned when the runner is turned Rotate to drive the pulling member to shrink the rear connecting member.

For example, the runner dials gear 0 to rotate, and the gear cooperates with the cogging provided in the front support member, and has a locking effect.

With reference to the first aspect, in some implementations of the first aspect, the first runner group component and the second runner group component further include screws, respectively, and the runner and the gear sleeve are in the On the screw, the screw is used to fix the first runner group member and the second runner group member to the front support member.

It should be understood that the gear can be rotated only when the runner is rotated. The runner and the gear are sleeved on screws provided on the front support member, and the screws play a role of fixing.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of a head-mounted display device in the prior art.

FIG. 2 is a schematic structural diagram of a head-mounted display device in the prior art.

FIG. 3 is a schematic structural diagram of an adjustable headband device according to an embodiment of the present application.

FIG. 4 is a schematic structural diagram of an adjustable headband device according to an embodiment of the present application.

FIG. 5 is a schematic structural diagram of an adjustable headband device according to an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a runner group component and a wire drawing component according to an embodiment of the present application.

FIG. 7 is a schematic structural diagram of a runner group component according to an embodiment of the present application.

FIG. 8 is a schematic structural diagram of a gear in a runner group component according to an embodiment of the present application.

detailed description

The technical solutions in this application will be described below with reference to the drawings.

FIG. 1 shows a head-mounted display device in the prior art. As shown in FIG. 1, the head-mounted display device includes a display screen 110 and a headband member 120. The headband member 120 is a circular hard material. For example, the headband member 120 may be made of a hard material such as plastic or metal. The belt member 120 further includes a wheel and a rack, and the gear and rack are driven by the wheel located at the back of the head to adjust the size.

Based on the head-mounted display device shown in FIG. 1, the head-mounted display device is bulky because it uses a large-sized hard material, which is difficult to store and difficult to carry. In addition, the head-mounted display device shown in FIG. 1 has a complicated structure, a large number of parts, a large weight, and a high cost. The adjustment gears, wheels and other structures are located behind the head and have a structural thickness of not less than 30mm, which makes it easy for users to use the head-mounted display device when lying down or use the head-mounted display device when leaning back. , Making it impossible to use the headset for a long time.

FIG. 2 shows a head-mounted display device in the prior art. As shown in FIG. 2, the head-mounted display device includes a display screen 210 and a headband component 220. The headband component 220 uses a woven cloth and an elastic band, and is hung on the display screen 210, and is generally fixed by a Velcro and adjusted by affixing the position. Therefore, the length adjustment of the head-mounted display device is realized.

Based on the head-mounted display device shown in FIG. 2, since the position of the headband member 220 is generally adjusted by 2-3 segments of the Velcro when the Velcro is used, it is difficult to adjust the length. In addition, since each section of the Velcro needs to be tightened on the head, the overall comfort is poor, for example, the ear position may interfere with the headband component 220. For soft headbands, it is generally not stable and comfortable to support.

Based on this, the embodiment of the present application provides an adjustable headband device. By using an elastic member such as an elastic band and a wheel set member, such as a headband device of a reel, the ease of the adjustable headband device can be realized. Adjustable and stowable.

It should be understood that the adjustable headband in the embodiment of the present application may be applied to a head-mounted display device. For example, the head-mounted display device may be a virtual reality (VR) device or an augmented reality (AR) device. .

The adjustable headband device according to the embodiment of the present application will be described below with reference to FIGS. 3 to 7 by taking the headband device as an example of a VR or AR head-mounted display device.

The following describes the specific implementation manners of the embodiments of the present application in more detail with specific examples. It should be noted that the following examples are only for helping those skilled in the art to understand the embodiments of the present application, and are not intended to limit the embodiments of the application to the specific values or specific scenarios shown. Those skilled in the art can obviously make various equivalent modifications or changes according to the examples given below, and such modifications and changes also fall within the scope of the embodiments of the present application.

In one example, the adjustable headband device may further include a wheel set component. As shown in FIG. 3, FIG. 3 is a schematic structural diagram of an adjustable headband device according to an embodiment of the present application.

The adjustable headband device provided in the embodiment of the present application includes a front support member 320, a first elastic member 330 and a second elastic member 340, a rear connection member 350, a first wheel set member 310, and a first cable member. For an adjustable headband device in a head-mounted display device, the front support member 320 may be used to support the installed display device, and the two ends of the front support member 320 may be respectively connected to the first elastic member 330 and the second elastic member. Component 340. The rear connection member 350 is connected to the first elastic member 330 and the second elastic member 340, respectively, to form the front support member 320, the first elastic member 330, the second elastic member 340, and the rear connection member. 350 ring connection. The first runner group member 310 may be disposed in the front support member 320, a first wire drawing member, one end of the first wire drawing member is connected to the first wheel group member 310, The other end is connected to the rear connecting member 350, wherein the first wheel set member is used for contracting the rear connecting member by driving the cable member.

It should be understood that, in the embodiment of the present application, when the first elastic member 330 and the second elastic member 340 are stretched under tension, the wire member provided in the rear connecting member 350 is stretched to rotate the first elastic member 330 and the second elastic member 340. A wheel set member 310 winds the first cable member, and tightens the headband device through a front end of the first cable member.

It should be noted that the rear connecting member 350 of the adjustable headband device may further include a rear support member, as shown in FIG. 4, which is a schematic diagram of the adjustable headband device according to the embodiment of the present application. The rear support member 360 is disposed at an intermediate position of the rear connection member 350, and the rear support member 360 may be used to provide support comfort for a user's hindbrain portion.

In order to improve the comfort of the adjustable headband device, the rear support member 360 may be made of a soft material. For example, the rear support member 360 may be made of a polyurethane material, and the polyurethane material may also be referred to as a polyurethane.

Polyurethane materials have many advantages, such as: low density, soft texture, comfortable and lightweight; good dimensional stability, long storage life; excellent abrasion resistance, flex resistance; excellent shock absorption, non-slip performance; better temperature resistance Performance; good chemical resistance, etc.

In one example, the rear support member 360 may be made of a soft material. For example, the rear support member 360 may be made of a thermoplastic polyurethane elastomer (tpu).

TPU has excellent characteristics of high tension, high tension, toughness and aging resistance, and is a mature environmental protection material. At present, TPU has been widely used in medical and health, electronics and electrical, industrial and sports, etc., it has characteristics such as high strength, toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and other characteristics that cannot be matched by other plastic materials. At the same time, it has many excellent functions such as high water resistance, moisture permeability, wind resistance, cold resistance, antibacterial, mildew resistance, warmth, UV resistance, and energy release. Thermoplastic polyurethane elastomer TPU can be divided into polyester type and polyether type according to the molecular structure, and can be divided into injection molding grade, extrusion grade, blow molding grade and so on according to the processing method.

In the embodiment of the present application, the rear support member may adopt a double-layer knitted cloth.

Optionally, the first runner group component 310 may include screws, runners, and gears. As shown in FIG. 7, FIG. 7 is a schematic structural diagram of a gear in a wheel set component according to an embodiment of the present application.

For example, the first runner group component 310 may include a screw 610, a runner 620, and a gear 630. The first wheel set member 310 is used in cooperation with a tooth groove 640 provided in the front support member 320.

Specifically, the wheel 620 dials the gear 630 for rotation, and the gear 630 cooperates with the tooth groove 640 provided in the front support member 320 to have a locking effect. It should be understood that the gear 630 can be rotated only when the rotating wheel 620 is rotated. The runner 620 and the gear 630 are sleeved on a screw 610 provided on the front support member 320, and the screw 610 plays a fixing role.

It should be understood that, in the embodiment of the present application, the first runner group 310 may not include the screw 610, and the fixing effect may be achieved by other methods.

In the embodiment of the present application, the connection manner between the first wire drawing component and the first runner group 310 is shown in FIG. 8. FIG. 8 is a schematic structural diagram of a runner group component according to an embodiment of the present application. The components of the first runner group include screws, runners, and gears. The gear includes a bobbin 720 and a hook 710 as shown in FIG. 8. The front end of the first wire drawing part is hung on the hanging hook 710 of the gear, and then wound on the winding post 720 of the gear. The rotation of the gear will tighten or loosen the pull wire to tighten the pull wire, and then tighten the length of the braided belt after tightening.

Optionally, in the embodiment of the present application, the front support member 320 is a plastic part.

Optionally, in the embodiment of the present application, the inner surface of the front support member 320 is provided with a buffer sponge that is in contact with the user's head.

It should be understood that the use of plastic parts and the front support member 320 of the internal surface equipment buffer sponge can improve user comfort.

It should be noted that the elastic component provides the initial tightening effect, and the runner group component drives the pull wire component to provide the final tightening and loosening and achieves locking.

It should be understood that, in the embodiments of the present application, in addition to the front support member, the remaining members may be a soft material, which can be folded and stored to achieve volume reduction.

In one example, the adjustable headband device may further include two wheel set components, wherein the two wheel set components are located on both sides of the front support, respectively. As shown in FIG. 5, FIG. 5 is a schematic structural diagram of an adjustable headband device according to an embodiment of the present application.

It should be understood that the adjustable headband device shown in FIG. 5 includes two runner group components, which are a first runner group component 410 and a second runner group component 460, respectively.

The adjustable headband device provided in the embodiment of the present application includes a front support member 420, a first elastic member 430 and a second elastic member 440, a rear connection member 450, a rear support member 470, a first wheel set member 410, a first The two-wheel group member 460, the first wire drawing member, and the second wire drawing member.

For an adjustable headband device in a head-mounted display device, the front support member 420 may be used to support the installed display device, and the two ends of the front support member 420 may be connected to the first elastic member 430 and the second elasticity, respectively. Component 440. The rear connection member 450 is connected to the first elastic member 430 and the second elastic member 440, respectively, to form the front support member 420, the first elastic member 430, the second elastic member 440, and the rear connection member. 450 ring connection.

The first runner group member 410 and the second runner group member 460 may be disposed in the front support member 420, and one end of the second pull wire member is connected to the second runner group member 420, and the second pull wire member The other end is connected 450 to the rear connecting member. The first runner group member 410 and the second runner group member 460 are disposed at both ends of the front support member 420.

It should be understood that, in the embodiment of the present application, when the first elastic member 430 and the second elastic member 440 are stretched under tension, the wire member provided in the rear connecting member 450 is stretched, and the first A runner group member 410 winds the first wire member and a second runner group member 460 winds the second wire member. The front ends of the first wire member and the second wire member are used to wind the first wire member. The headband device tightens.

In the embodiment of the present application, one end of the first wire drawing member is disposed on the first runner group, and one end of the second wire drawing member is disposed on the second runner group, as shown in FIG. 6. FIG. 6 is a schematic structural diagram of a runner group component and a wire drawing component according to an embodiment of the present application. One end of the first wire drawing member 530 is fixed to the first wheel set device 510, and the other end is fixed to the rear connection device 550. One end of the second wire drawing member 540 is fixed to the second wheel set device 520, and the other end is fixed to the rear connection device 550.

Optionally, the first wire pulling member shown in FIG. 3 is connected to a first end of the rear connecting member 350, and the second wire pulling member is connected to a second end of the rear connecting member 350, wherein the first A distance between a pulling member and the first end is greater than a distance between the first pulling member and the second end, and a distance between the second pulling member and the second end is greater than a distance between the second pulling member and the first The distance at one end.

That is to say, one end of the first pulling wire member is fixed to a far end of the rear connecting member. For example, the first wire-drawing member and the second wire-drawing member are ring-shaped. The wire drawing component includes a first wire drawing component and a second wire drawing component which can be ring-shaped, nylon rope or steel wire rope. The end of the wire drawing component is fixed in a double-layer braided cloth. The end of the pull wire (second pull wire member) is fixed to the left end of the rear braided belt (rear connecting member 450), and the front end of the pull wire is hung on the gears on both sides of the wheel set and around the axis of the gear.

Optionally, the first and second pulling wire members may be nylon ropes or steel wire ropes.

Specifically, the front end of the pull wire is hung on the hanging hook of the gear, and then is wound on the winding post of the gear. The rotation of the gear will tighten or loosen the pull wire to tighten the pull wire, and then tighten the length of the braided belt after tightening.

In the embodiment of the present application, the front support member may be a plastic piece, and a wheel set is assembled thereon, and the wheel set is fixed with an elastic band (screw or glue). The inner surface of the front support member is affixed with a cushion foam to contact the user's forehead.

The first elastic member 430 and the second elastic member 440 may adopt an elastic band. The elastic band has an elastic effect and is used to adjust the elasticity of the wear. The string member passes through the elastic band. The elastic band and the rear connecting member, for example, the rear connecting member may be woven with a braid. Together.

Optionally, a rear support member 470 may be included in the rear connection member 450 of the adjustable headband device. The rear support member 470 is disposed at an intermediate position of the rear connection member 450. The rear support member 470 can be used to provide support comfort for the user's hindbrain region.

In order to improve the comfort of the adjustable headband device, the rear support member 470 may be made of a soft material. For example, the rear support member 470 may be made of a polyurethane material, and the polyurethane material may also be referred to as a polyurethane.

In one example, the rear support member 470 may be made of a soft material. For example, the rear support member 470 may be made of a thermoplastic polyurethane elastomer (tpu).

Optionally, the first runner group component 410 may include screws, runners, and gears. As shown in FIG. 7, FIG. 7 is a schematic structural diagram of a gear in a wheel set component according to an embodiment of the present application.

For example, the first runner group member 410 and the second runner group 460 may include a screw 610, a runner 620, and a gear 630. The first runner group member 410 and the second runner group 460 are respectively disposed at both ends of the front support member 420, and the first runner group member 410 and the second runner group 460 and the cogging provided in the front support member 420 640 is used together.

Specifically, the rotary wheel 620 dials the gear 630 to rotate, and the gear 630 cooperates with the slot 640 provided in the front support member 420 to have a locking effect. It should be understood that the gear 630 can be rotated only when the rotating wheel 620 is rotated. The runner 620 and the gear 630 are sleeved on a screw 610 provided on the front support member 420, and the screw 610 plays a role of fixing.

In the embodiment of the present application, the connection modes of the first wire drawing member and the first runner group 410 and the second wire drawing member and the second runner group 460 are shown in FIG. 8. FIG. 8 is a schematic structural diagram of a runner group component according to an embodiment of the present application. The components of the first runner group include screws, runners, and gears. The gear includes a bobbin 720 and a hook 710 as shown in FIG. 8. The front end of the first wire drawing part is hung on the hanging hook 710 of the gear, and then wound on the winding post 720 of the gear. The rotation of the gear will tighten or loosen the pull wire to tighten the pull wire, and then tighten the length of the braided belt after tightening.

Optionally, in the embodiment of the present application, the front support member 420 is a plastic part.

Optionally, in the embodiment of the present application, the inner surface of the front support member 420 is provided with a buffer sponge that contacts the user's head.

It should be understood that the use of plastic parts and the front support member 420 of the internal surface equipment buffer sponge can improve user comfort.

It should be noted that the elastic component provides the initial tightening effect, and the runner group component drives the cable component to provide the final tightening and loosening and achieves locking.

In one example, the headband device structure may be mainly composed of a front support member, left and right elastic bands (elastic members), a rear braided band (rear connection member), rear support, left and right pull wires (draw wire members), left and right runner sets (rotor sets) Components).

Among them, the front support can be made of plastic parts, on which a wheel set is assembled and fixed with elastic bands (screws or glue). The inner surface of the front support is affixed with buffer foam to contact the user's forehead. The elastic band has an elastic effect, which is used to adjust the elasticity of the wear. The pull wire passes through the elastic band; the elastic band is woven with the rear braid; the rear woven bag is a double-layer woven cloth; the pull cord passes between the cloths on both sides; the end of the pull cord is fixed On the braided cloth; the back support is made of soft materials such as pu and tpu. It is stuck in the middle of the back braided belt to provide the user with support for the back of the brain. The pull wire is ring-shaped, nylon rope or steel wire. The end of the left pull wire is fixed at the right end of the rear braided belt, the end of the right pull wire is fixed at the left end of the rear braided belt, and the front end of the pull wire is hung on the gears on both sides and around the axis of the gear; the runner group can include runners, gears and screws, The runner dials the gear to rotate, and the gear cooperates with the cogging on the front support to have a locking effect. The gear can rotate only when the runner is turned. The runner and gear are sleeved on the front support screw post and fixed with screws. The front end of the pull wire is hung on the hanging hook of the gear, and then is wound on the winding post of the gear. The rotation of the gear will tighten or loosen the pull wire to tighten the pull wire, and then tighten the length of the braided belt after tightening. Therefore, the elastic band provides the initial tightening effect, and the runner drives the pull wire to provide the final tightening and loosening and achieve the locking. Except for the front support, the rest is soft and can be folded and stored to reduce the volume.

In one example, the headband device structure may be mainly composed of a front support member, a rear braided belt (rear connection member), a rear support, left and right pull wires (draw wire members), left and right runner sets (rotor set members).

Among them, the front support can be made of plastic parts, on which a wheel set is assembled and fixed with elastic bands (screws or glue). The inner surface of the front support is affixed with buffer foam to contact the user's forehead. The rear woven bag is a double-layer woven cloth. The pull wire passes between the two sides of the cloth, and the end of the pull wire is fixed on the woven cloth. The rear support is made of soft materials such as pu and tpu. Support comfort; the loop is a loop, nylon rope or steel wire. The end of the stretch is fixed in the double-layer braid. The end of the left stretch is fixed at the right end of the rear braid. The end of the right stretch is fixed at the left end of the back braid. On the gear and around the axis of the gear; the wheel set can include the wheel, gears and screws, the wheel dials the gear to rotate, the gear cooperates with the cogging on the front support, and has a locking effect, only when the wheel is turned, the gear Before turning. The runner and gear are sleeved on the front support screw post and fixed with screws. The front end of the pull wire is hung on the hanging hook of the gear, and then is wound on the winding post of the gear. The rotation of the gear will tighten or loosen the pull wire to tighten the pull wire, and then tighten the length of the braided belt after tightening. Therefore, the elastic band provides the initial tightening effect, and the runner drives the pull wire to provide the final tightening and loosening and achieve the locking. Except for the front support, the rest is soft and can be folded and stored to reduce the volume.

It should be understood that, in the embodiments of the present application, the receiving function of the pulling wire can be achieved through the pulling wire and the wheel group. If the current size is large and the cable is long, the excess cable is tightened by the wheel set. If the current size is small, a part of the pull wire can be released from the double-layer braid.

In the embodiment of the present application, an adjustable headband device is provided. By using an elastic member, such as a headband device of an elastic band and a wheel set component, the headband device can be ensured to be light and can be stored, and the adjustableness can be improved. And comfortable wearing.

It should be understood that one element described in the embodiment of the present application is “fixed to” another element, and the element may be directly or indirectly fixed to another element; similarly, one element described in the embodiment of the present application is “connected to” another element "Can be directly connected or indirectly connected.

The above is only a specific implementation of this application, but the scope of protection of this application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the protection scope of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims.

Claims

An adjustable headband device, characterized in that the headband device includes:

Front support

A first elastic member and a second elastic member, the first elastic member and the second elastic member being connected to both ends of the front support member, respectively;

A rear connecting member that is connected to the first elastic member and the second elastic member, respectively, to form the front support member, the first elastic member, the second elastic member, and the rear Ring connection of connecting parts;

A first runner group component, which is disposed in the front support member;

A first wire drawing member, one end of the first wire drawing member is connected to the first runner group member, and the other end of the first wire drawing member is connected to the rear connecting member;

Wherein, the first wheel group component is used for contracting the rear connecting component by driving the wire pulling component.
The headband device according to claim 1, wherein the headband device further comprises:

A second runner group component, which is disposed in the front support member;

A second pulling member, one end of the second pulling member is connected to the second runner group member, and the other end of the second pulling member is connected to the rear connecting member;

Wherein, the first and second pulling wire members are respectively connected to different ends of the rear connecting member.
The headband device according to claim 2, wherein the first wheel set member and the second wheel set member are disposed at both ends of the front support member.
The headband device according to claim 2 or 3, wherein the first cable member is connected to a first end of the rear connecting member, and the second cable member is connected to a second of the rear connecting member End connection, wherein the distance between the first cable member and the first end is greater than the distance between the first cable member and the second end, and the distance between the second cable member and the second end is greater than the distance The distance between the second wire-drawing member and the first end.
The headband device according to any one of claims 1 to 4, wherein the headband device further comprises:

A rear support member which is disposed at an intermediate position of the rear connection member.
The headband device according to any one of claims 1 to 5, wherein the rear connecting member is a double-layer woven cloth.
The headband device according to any one of claims 2 to 6, wherein the first and second cable members are nylon ropes or steel wire ropes.
The headband device according to any one of claims 1 to 7, wherein the front support member is a plastic piece.
The headband device according to any one of claims 1 to 8, wherein an inner surface of the front support member is provided with a buffer sponge that contacts a user's head.
The headband device according to any one of claims 5 to 9, wherein the rear support member is made of a soft material.
The headband device according to claim 10, wherein the soft material is a polyurethane material or a thermoplastic polyurethane elastomer material.
The headband device according to any one of claims 2 to 11, wherein the first runner group component and the second runner group component include a runner and a gear, respectively, and the rotary When the wheel is turned, the gear rotates, which drives the pulling member to contract the rear connecting member.
The headband device according to claim 12, wherein the first wheel set component and the second wheel set component further include a screw, respectively, and the wheel and the gear sleeve are sleeved on the screw Preferably, the screws are used to fix the first runner group member and the second runner group member to the front support member.