CN209846289U

CN209846289U - Wrist strap structure and wearable equipment

Info

Publication number: CN209846289U
Application number: CN201821517530.3U
Authority: CN
Inventors: 许�鹏
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2019-12-27
Anticipated expiration: 2028-09-17

Abstract

The utility model discloses a wrist strap structure and wearable equipment. The wrist strap structure comprises a wrist strap and a key assembly connected to the wrist strap; the wrist strap comprises a rack guide rail, the key assembly comprises a limiting gear, a limiting column, a key and a reset element, the limiting gear is sleeved on the limiting column and is meshed with the rack guide rail, and the limiting column comprises a limiting section for preventing the limiting gear from rotating and a rotating section for allowing the limiting gear to rotate; when the key is pressed down, the limiting gear is pushed to move to the rotating section, so that the limiting gear and the rack guide rail are in meshed transmission, and the length of the wrist strap is adjusted; after the press key is loosened, the reset element pushes the limiting gear to move to the limiting section, the limiting gear and the rack guide rail are locked, and the length of the wrist strap is fixed. This application utilizes the spacing gear and the rack guide rail meshing of button subassembly, only needs to press the button can adjust or the length of fixed wrist strap, adjusts simple and conveniently, easily the operation.

Description

Wrist strap structure and wearable equipment

Technical Field

The utility model relates to a wearing equipment technical field, in particular to wrist strap structure and a wearable equipment.

Background

With the improvement of living standards of people and the increasing use of consumer electronics, people tend to provide convenience for life by consumer electronics, and wearable devices are known to people as new and developing consumer electronics.

In wearing class equipment, the wrist is worn equipment and is the most convenient common, for example motion bracelet etc. however current motion bracelet etc. adopt waistband knot formula structure more, need open the buckle of locking when adjusting wrist strap length, use inconveniently. Meanwhile, buckles at two ends of the wrist strap need to be fastened when the wrist strap is worn, and the wrist strap is easy to fall off when the wrist strap is in strenuous exercise. In addition, use the wearing and tearing of belt buckle formula structure has also aggravated belt buckle and wrist strap, and the wearing and tearing of the easy wearing and tearing that cause the outward appearance of live time and the pine of whole motion bracelet take off for a long time.

SUMMERY OF THE UTILITY MODEL

In view of the inconvenient problem of the buckle formula structure of waistband of prior art wrist strap equipment, provided the utility model discloses a wrist strap structure and a wearable equipment to overcome above-mentioned problem or solve above-mentioned problem at least partially.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to an aspect of the present invention, there is provided a wrist band structure, including a wrist band and a key assembly connected to the wrist band; the wrist strap comprises a rack guide rail, the key assembly comprises a limiting gear, a limiting column, a key and a reset element, the limiting gear is sleeved on the limiting column and is meshed with the rack guide rail, and the limiting column comprises a limiting section for preventing the limiting gear from rotating and a rotating section for allowing the limiting gear to rotate; when the key is pressed down, the limiting gear is pushed to move to the rotating section, so that the limiting gear and the rack guide rail are in meshed transmission, and the length of the wrist strap is adjusted; after the press key is loosened, the reset element pushes the limiting gear to move to the limiting section, the limiting gear and the rack guide rail are locked, and the length of the wrist strap is fixed.

Optionally, the wrist strap is an elastic telescopic wrist strap, the rack guide rail is arranged inside the wrist strap, and when the rack guide rail moves along with the meshing of the limiting gears, the length of the wrist strap is changed through stretching.

Optionally, the key assembly is embedded in the middle of the wrist band, and the two rack rails are respectively arranged in the wrist bands on two sides of the key assembly and are in central symmetry with respect to the key assembly.

Optionally, the limiting gear is provided with a limiting hole, the limiting gear is sleeved on the limiting column through the limiting hole, the end face of the limiting gear is provided with end face teeth distributed circumferentially around the limiting hole, and the limiting gear is meshed with the rack guide rail through the end face teeth.

Optionally, the cross section of the rotating section of the limiting column is circular, and the cross section of the limiting column is the same as that of the limiting hole and is non-circular.

Optionally, the cross-sectional shape of the limiting section of the limiting column and the shape of the limiting hole are regular hexagons.

Optionally, the key assembly further comprises a housing for accommodating a limit gear, two sides of the housing are opened to allow the rack guide rail to pass through, one end face of the housing is provided with a mounting hole for mounting the key, and the limit column is arranged on the other end face of the housing opposite to the mounting hole.

Optionally, the reset element is a reset spring, and the reset spring is also sleeved on the limit column and is located between the limit gear and the shell.

Optionally, the rack guide rail is of a double-injection structure, the guide rail of the rack guide rail is made of silica gel, and the matching teeth of the rack guide rail are made of polyformaldehyde.

According to another aspect of the present invention, there is provided a wearable device including a dial plate and the wristband structure of any one of the above, the dial plate being fixed to a wristband of the wristband structure.

To sum up, the beneficial effects of the utility model are that:

set up button subassembly and rack guide rail on the wrist strap, utilize the spacing gear and the rack guide rail meshing of button subassembly to adjust or fixed wrist strap length, when pressing down the button and cause spacing gear to move to the rotation section of spacing post when rotating, the length of accessible meshing transmission regulation wrist strap, when loosening the button, reset element promotes automatically that spacing gear resets to the spacing section locking of spacing post, with the length of fixed wrist strap. Therefore, the wrist strap length of the wrist strap structure is simple and convenient to adjust and easy to operate.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a wristband structure of the present invention;

FIG. 2 is a schematic perspective view of another perspective view of the embodiment shown in FIG. 1;

fig. 3 is a schematic perspective view illustrating a wrist strap adjustment principle according to an embodiment of the wrist strap structure of the present invention;

FIG. 4 is a schematic cross-sectional view of an embodiment of the wristband construction of the present invention;

FIG. 5 is an enlarged view of the dotted frame shown in FIG. 4;

fig. 6 is a schematic perspective view of a limit gear according to an embodiment of the wrist strap structure of the present invention;

fig. 7 is a schematic perspective view of a housing of a key assembly according to an embodiment of the wristband structure of the present invention;

fig. 8 is a schematic perspective view of a rack guide rail according to an embodiment of the wristband structure of the present invention;

in the figure, 10, dial; 20. a wristband; 21. a rack guide rail; 22. matching teeth; 30. a key assembly; 31. pressing a key; 32. a housing; 321. a limiting column; 322. mounting holes; 33. a limit gear; 331. end face teeth; 332. a limiting hole; 34. a return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The technical conception of the utility model is that: set up button subassembly and rack guide rail on the wrist strap, utilize the spacing gear and the rack guide rail meshing of button subassembly to adjust or fixed wrist strap length, when pressing down the button and cause spacing gear to move to the rotation section of spacing post when rotating, the length of accessible meshing transmission regulation wrist strap, when loosening the button, reset element promotes automatically that spacing gear resets to the spacing section locking of spacing post, with the length of fixed wrist strap. Therefore, the wrist strap length of the wrist strap structure is simple and convenient to adjust and easy to operate.

The application discloses a wrist strap structure, and fig. 1-8 schematically show an embodiment of the wrist strap structure of the application, wherein fig. 1 is a schematic perspective view of the wrist strap structure of the invention; FIG. 2 is a schematic perspective view of another perspective view of the embodiment shown in FIG. 1; fig. 3 is a schematic perspective view illustrating a wrist strap adjustment principle according to an embodiment of the wrist strap structure of the present invention; FIG. 4 is a schematic cross-sectional view of an embodiment of the wristband construction of the present invention; FIG. 5 is an enlarged view of the dotted frame shown in FIG. 4; fig. 6 is a schematic perspective view of a limit gear according to an embodiment of the wrist strap structure of the present invention; fig. 7 is a schematic perspective view of a housing of a key assembly according to an embodiment of the wristband structure of the present invention; fig. 8 is a schematic view of a three-dimensional structure of a rack guide rail according to an embodiment of the wristband structure of the present invention.

Referring to fig. 1-8, a wristband construction includes a wristband 20 and a key assembly 30 attached to the wristband 20. As shown in fig. 1, the wrist band structure of the embodiment is applied to a sports bracelet, and the electronic device part of the sports bracelet comprises a dial 10 connected and fixed by a wrist band 20. In other embodiments of the present application, the wristband structure may also be applied to other wearable ornaments that do not include an electronic device such as the dial 10. Fig. 2 shows another perspective view of the embodiment of the sports bracelet, and as seen from fig. 2, the casing 32 and the keys 31 of the key assembly 30 are exposed outside the sports bracelet, and the user can conveniently adjust the length of the wristband 20 by pressing the keys 31.

Referring to the principle and structure shown in fig. 3-8, the wrist band 20 includes a rack rail 21, the key assembly 30 includes a limit gear 33, a limit post 321, a key 31 and a reset element (i.e., a reset spring 34), and the limit gear 33 is sleeved on the limit post 321 and engaged with the rack rail 21. The stopper post 321 includes a stopper section that prevents the rotation of the stopper gear 33 and a rotation section that allows the rotation of the stopper gear 33 (see fig. 7). When the button 31 is pressed, the limiting gear 33 is pushed to move to the rotating section, so that the limiting gear 33 is meshed with the rack guide rail 21 for transmission, and the length of the wrist strap 20 is adjusted; after the push button 31 is released, the reset element pushes the limit gear 33 to move to the limit section, and the limit gear 33 and the rack guide rail 21 are locked, so as to fix the length of the wrist strap 20.

Through the design, the wrist strap structure of this application only needs to press exposed button 31, can easily conveniently realize the regulation of wrist strap 20 length to, the length adjustment of wrist strap 20 passes through limit gear 33 and rack guide 21 meshing transmission and realizes, has certain resistance, just does not have the ordinary waistband knot formula structure of any resistance after the unblock and compares, and difficult taking off in the twinkling of an eye results in dropping, therefore the degree of accuracy of length adjustment is higher, and the feel of adjusting is also better comfortable.

In this embodiment, the wrist band 20 is an elastic stretchable wrist band 20, the rack guide 21 is disposed inside the wrist band 20, and the length of the wrist band 20 is changed by stretching when the rack guide 21 moves along with the engagement of the limit gear 33. Therefore, no matter the wrist strap 20 is stretched or shortened, the wrist strap is always a whole in appearance, the rack guide rail 21 is wrapped in the wrist strap 20, the wrist strap 20 is neat and elegant in appearance, the modern life taste is simple and fast, the wrist strap 20 is relatively sealed in structure, and the internal rack guide rail 21 and the limiting gear 33 are properly protected and cannot be damaged. For example, the wrist band 20 is made of elastic soft silicone rubber, and the extension or contraction of the wrist band 20 is achieved by utilizing the malleability of the soft silicone rubber.

In the present embodiment, as shown in fig. 1 and 2, the key assembly 30 is embedded in the middle of the wrist band 20, and referring to fig. 3, one rack guide 21 is respectively disposed in the wrist bands 20 on both sides of the key assembly 30, the two rack guides 21 are centrosymmetric with respect to the key assembly 30, one end of each rack guide 21 is suspended, and the other end is rotatably connected to the dial 10, so that the wrist band 20 is drawn and pulled centrosymmetrically with respect to the key assembly 30, thereby adjusting the length of the wrist band 20. Of course, in other embodiments of the wristband structure according to the present application, if the device body such as the dial 10 is not provided, one end of the rack guide 21 may be suspended and the other end may be directly connected to the wristband 20.

In the preferred embodiment of the present application, the rack rail 21 is a two-shot injection molding structure, the rail of the rack rail 21 is made of silicone, and the mating teeth 22 of the rack rail 21 are made of Polyoxymethylene (POM). For example, rack guide 21's guide rail is made by the silica gel material that hardness is 75A, and 75A's silica gel is harder than wrist strap 20 of flexible glue material, both can satisfy the slight deformation of motion bracelet, can play the effect of fixed wrist strap 20 length again. The matching teeth 22 of the rack guide rail 21 are made of POM hard rubber, the POM material can realize self lubrication, the matching with guide rail hard rubber can be met, the wear-resistant requirement can be met, and the damage along with the use can be avoided.

In the present embodiment, the limit gear 33 is provided with a limit hole 332 in which the limit post 321 is sleeved, as shown in fig. 6, the end surface of the limit gear 33 is provided with end surface teeth 331 circumferentially distributed around the limit hole 332, and the limit gear 33 is engaged with the rack guide 21 through the end surface teeth 331. As shown in fig. 3, the limit gear 33 is provided with end face teeth 331, so that the rack guide 21 is correspondingly located on one side of the end face of the limit gear 33, i.e. the outer side direction relative to the wrist, and since the wrist band 20 of the wrist band structure is tightened toward the inside of the wrist, the arrangement is favorable for strengthening the meshing degree of the limit gear 33 and the rack guide 21, and the accuracy of length adjustment and the locking firmness of the wrist band 20 are ensured.

In this embodiment, the cross-sectional shape of the rotating section of the limiting column 321 is circular, and the cross-sectional shape of the limiting section of the limiting column 321 is the same as the shape of the limiting hole 332 and is non-circular. Thus, the circular segment can make the limit gear 33 smoothly rotate, and the non-circular-shaped limit segment can be engaged with the limit hole 332 to prevent the limit gear 33 from rotating.

Referring to fig. 7, the cross-sectional shape of the limiting section of the limiting column 321 and the shape of the limiting hole 332 are regular hexagons, the lower end of the limiting column 321 is a circular rotating section, and the upper end is a regular hexagons limiting section. Of course, the limiting section may also be in other shapes such as regular pentagon shape, which will not be described herein.

In the present embodiment, the key assembly 30 further includes a housing 32 accommodating the limit gear 33, as shown in fig. 7, two sides of the housing 32 are opened for the rack rail 21 to pass through, one end surface of the housing 32 is provided with a mounting hole 322 for mounting the key 31, and the limit post 321 is disposed on the other end surface of the housing 32 opposite to the mounting hole 322.

In the embodiment, the return element is a return spring 34, and the return spring 34 is also sleeved on the limiting post 321 and located between the limiting gear 33 and the key assembly housing 32 to provide a restoring force for the limiting gear 33, as shown in fig. 5.

The working principle of the adjustment of the bracelet band 20 of the present embodiment is described with reference to the enlarged schematic structural diagram shown in fig. 5:

when the user wears the motion bracelet, the button 31 of motion bracelet is in quiescent condition, reset spring 34 is in quiescent condition, the upper end and the reset spring 34 contact of spacing gear 33, the lower extreme is supported by button 31, the cover is on the spacing post 321 of button subassembly 30 shell 32, and be located the spacing section of the hexagonal column of spacing post 321, spacing gear 33 is because the effect of spacing post 321 can't rotate this moment, simultaneously with the unable pull of the rack guide 21 of spacing gear 33 meshing, entire system including wrist strap 20 is in fixed state.

When a user needs to pull the rack guide rail 21 to adjust the length of the wrist strap 20, the user only needs to press the button 31, the upper part of the button 31 supports the limit gear 33 to move upwards, and meanwhile, the reset spring 34 is compressed until the limit gear 33 is separated from the hexagonal columnar limit section of the limit column 321 and continues to move upwards to reach the cylindrical rotating section of the limit column 321, at the moment, the limit gear 33 is only limited by the limit column 321 along the axial direction, so that the limit gear can freely rotate around the limit column 321, the rack guide rail 21 is not prevented from being pulled and moved, and the user can pull the rack guide rail 21 under the condition until the wrist strap 20 meets the length required by the user.

When the wrist strap 20 reaches the length required by the user, the key 31 is loosened, the return spring 34 applies downward force to move the limit gear 33 downward until the limit gear 33 is separated from the cylindrical rotating section and reaches the hexagonal cylindrical limit section, at this time, the limit gear 33 is limited not only by the limit column 321 along the axial direction but also by the limit column 321 along the radial direction, so that the limit gear 33 does not rotate any more and returns to the static state, the rack guide rail 21 does not move any more, and the whole moving wrist strap returns to the fixed state.

The application also discloses wearable equipment, this wearable equipment include the dial plate and as above any one shown wrist strap structure, the dial plate is fixed on wrist strap of wrist strap structure, like the fortune merit bracelet that fig. 1, 2 and 3 are shown.

In view of the above, it is only the specific embodiments of the present invention that other modifications and variations can be made by those skilled in the art based on the above-described embodiments in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present invention, and the scope of the present invention should be determined by the scope of the claims.

Claims

1. A wrist strap structure is characterized by comprising a wrist strap and a key assembly connected to the wrist strap; the wrist strap comprises a rack guide rail, the key assembly comprises a limiting gear, a limiting column, a key and a reset element, the limiting gear is sleeved on the limiting column and is meshed with the rack guide rail, and the limiting column comprises a limiting section for preventing the limiting gear from rotating and a rotating section for allowing the limiting gear to rotate; when the key is pressed down, the limiting gear is pushed to move to the rotating section, so that the limiting gear and the rack guide rail are in meshed transmission, and the length of the wrist strap is adjusted; after the press key is loosened, the reset element pushes the limiting gear to move to the limiting section, the limiting gear and the rack guide rail are locked, and the length of the wrist strap is fixed.

2. The wristband construction according to claim 1, wherein the wristband is an elastic stretchable wristband, the rack guide is disposed inside the wristband, and the wristband changes length by stretching as the rack guide moves along with the engagement of the limit gears.

3. The wristband construction according to claim 2, wherein the key assembly is embedded in the middle of the wristband, and one rack rail is provided in each of the wristbands on both sides of the key assembly, and the two rack rails are centrally symmetrical with respect to the key assembly.

4. The wristband structure according to claim 1, wherein the limit gear is provided with a limit hole through which the limit gear is fitted over the limit post, and an end face of the limit gear is provided with end face teeth circumferentially distributed around the limit hole, through which the limit gear is engaged with the rack guide.

5. The wristband structure according to claim 4, wherein the cross-sectional shape of the rotation segment of the stud is circular, and the cross-sectional shape of the stud segment is the same as the shape of the stud hole and is non-circular.

6. The wristband structure according to claim 5, wherein the shape of the cross section of the stopper post and the shape of the stopper hole are regular hexagons.

7. The wristband structure according to claim 1, wherein the key assembly further includes a housing accommodating the limit gear, both sides of the housing are open for the rack guide to pass through, one end face of the housing is provided with a mounting hole for mounting the key, and the limit post is disposed on the other end face of the housing opposite to the mounting hole.

8. The wristband structure of claim 7 wherein the return element is a return spring that also fits over the spacing post and is located between the spacing gear and the housing.

9. The wristband structure according to any one of claims 1 to 8, wherein the rack guide is a two-shot injection molding structure, the rack guide is made of a silicone material, and the rack guide has mating teeth made of a polyoxymethylene material.

10. A wearable device, characterized by comprising a dial and the wristband structure according to any one of claims 1 to 9, the dial being fixed on a wristband of the wristband structure.