CN218889384U

CN218889384U - Belt length adjusting mechanism and wearable equipment

Info

Publication number: CN218889384U
Application number: CN202223425482.4U
Authority: CN
Inventors: 郭亮
Original assignee: Guangdong Genius Technology Co Ltd
Current assignee: Guangdong Genius Technology Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-21
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a belt length adjusting mechanism and wearable equipment, and belongs to the technical field of wearable equipment. The belt length adjusting mechanism comprises a base, a key and a sliding seat, wherein the key and the sliding seat are respectively and movably connected with the base, a first energy storage piece is arranged between the key and the base, a second energy storage piece is arranged between the sliding seat and the base, the key is provided with a first clamping piece, and the sliding seat is provided with a second clamping piece. The sliding seat can slide relative to the base along the y-axis direction so as to shorten or lengthen the belt body, and the first clamping piece is clamped with the second clamping piece so as to lock or unlock the sliding seat through the key. The wearable device comprises a first belt body, a second belt body and a belt body length adjusting mechanism. This area body length adjustment mechanism and wearable equipment, after wearing wearable equipment, through pressing or pushing the button, pulling sliding seat, can realize the regulation of area body length, area body length adjustment convenient operation is swift, and the length adjustment of area body is continuous.

Description

Belt length adjusting mechanism and wearable equipment

Technical Field

The utility model relates to the technical field of wearable equipment, in particular to a belt length adjusting mechanism and the wearable equipment.

Background

The wearable device is used for adjusting the length of the belt body to adapt to the size of the wearing part of a wearer. Wearable devices such as smart watches, mechanical watches, smart bracelets and the like are worn by adjusting the length of the watchband to adapt to the thickness of the wrist of a wearer. In the related art, a wearer needs to adjust the length of the belt body in advance and then wear the belt body, and a special tool is needed when the length of the belt body is adjusted, so that the length adjustment mode of the belt body of the wearable equipment is complex, and the adjustment operation is troublesome.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the belt length adjusting mechanism and the wearable device are provided, the belt length can be adjusted after the wearable device is worn, and the belt length adjusting operation is simpler and more convenient.

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

a belt length adjustment mechanism comprising:

the first buckle body comprises a base and keys; the key is movably connected with the base, and a first energy storage piece is arranged between the key and the base; the key is provided with a first clamping piece;

the second buckle body comprises a sliding seat; the sliding seat is movably connected with the base, and a second energy storage piece is arranged between the sliding seat and the base; the sliding seat is provided with a second clamping piece;

the sliding seat is provided with a first connecting position and a second connecting position, and can slide along the y-axis direction relative to the base; the key is provided with a locking position and an unlocking position, and can slide along the x-axis direction relative to the base;

when the key is positioned at the locking position, the first clamping piece is clamped with the second clamping piece, the sliding seat is positioned at the first connecting position, and the key limits the sliding seat to move along the y-axis direction relative to the base;

when the key is positioned at the unlocking position, the first clamping piece is clamped with the second clamping piece, and the sliding seat can move towards the second connecting position under the action of the second energy storage piece.

Preferably, the first clamping piece is provided with a clamping convex block, and the second clamping piece is provided with a clamping groove; or, the first clamping piece is provided with a clamping groove, and the second clamping piece is provided with a clamping convex block;

the clamping groove comprises a sliding groove part and a locking groove part, and the sliding groove part extends along the y-axis direction; the locking groove part is positioned at one side of the sliding groove part in the x-axis direction, and the locking groove part is connected with the sliding groove part;

when the key is positioned at the locking position, the clamping convex block is clamped in the locking groove part; when the key is positioned at the unlocking position, the clamping protruding block is clamped in the sliding groove part.

Preferably, the key is provided with at least two first clamping pieces at intervals along the x-axis direction; the sliding seat is provided with at least two second clamping pieces at intervals along the x-axis direction.

Preferably, a plurality of second energy storage members are arranged between the sliding seat and the base, and the second energy storage members are arranged at intervals along the x-axis direction.

Preferably, the base is provided with an installation groove, and comprises a first seat surface and a second seat surface, and the second seat surface is adjacent to the first seat surface; the first seat surface is provided with a first notch communicated with the mounting groove, and the second seat surface is provided with a second notch communicated with the mounting groove;

the sliding seat is inserted into the mounting groove through the first notch, and the key is inserted into the mounting groove through the second notch.

Preferably, the sliding seat is provided with a clearance groove and/or the base is provided with a clearance groove; when the sliding seat is positioned at the second connecting position, the second energy storage piece is positioned in the avoidance groove.

Preferably, the base is provided with a first mounting convex part, and the second energy storage piece is a spring; one end of the second energy storage piece is connected with the sliding seat, and the other end of the second energy storage piece is connected with the first installation convex part;

when the sliding seat is positioned at the first connecting position, the second energy storage piece stretches; when the key is positioned at the unlocking position, the elastic force of the second energy storage piece acts on the sliding seat so that the sliding seat can slide towards the second connecting position.

Preferably, the first energy storage element is a spring;

the base is provided with a second installation part, the key is provided with a third installation part, and the first energy storage piece is arranged between the second installation part and the third installation part; one end of the first energy storage piece is abutted against the second installation part, and the other end is abutted against the third installation part; and when the key is positioned at the unlocking position, the first energy storage piece is compressed.

Preferably, the base is provided with a first sliding guide, and the key is provided with a second sliding guide;

the first sliding guide piece is a sliding groove, and the second sliding guide piece is a sliding block; or, the first sliding guide piece is a sliding block, and the second sliding guide piece is a sliding groove; the sliding block is in sliding connection with the sliding groove, and the sliding groove extends along the x-axis direction.

A wearable device, comprising:

an apparatus main body;

the watchband comprises a first band body, a second band body and a band body length adjusting mechanism according to the technical scheme; the first belt body is connected with the base, and the second belt body is connected with the sliding seat;

the length of the watchband is a first length when the sliding seat is positioned at the first connecting position, and the length of the watchband is a second length when the sliding seat is positioned at the second connecting position, and the second length is shorter than the first length.

The beneficial effects of the utility model are as follows: this area body length adjustment mechanism and wearable equipment, after wearing wearable equipment, through pressing or pushing the button, pulling sliding seat, can realize the regulation of area body length, area body length adjustment convenient operation is swift, area body length adjustment need not with the help of the instrument to the length adjustment of area body is continuous.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of a belt length adjusting mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an internal structure of a belt length adjusting mechanism according to an embodiment of the present utility model (in which a sliding seat is located at a first connection position);

FIG. 3 is a schematic diagram of a key structure according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of the cooperation between the key and the sliding seat according to the embodiment of the present utility model (in which the key is located at a locking position);

FIG. 5 is a first cross-sectional view of a belt length adjustment mechanism according to an embodiment of the present utility model;

FIG. 6 is a second cross-sectional view of a belt length adjustment mechanism according to an embodiment of the present utility model;

FIG. 7 is a third cross-sectional view of a belt length adjustment mechanism according to an embodiment of the present utility model;

FIG. 8 is a second schematic diagram of an internal structure of a belt length adjusting mechanism according to an embodiment of the present utility model (in which a key is located at a locking position);

fig. 9 is an enlarged view of a portion a in fig. 8.

In the figure: 10. a base; 101. a mounting groove; 102. a first seating surface; 103. a second seat surface; 11. a base; 12. a cover body; 13. a first mounting boss; 14. a second mounting portion; 15. a seat accommodating groove; 16. a first sliding guide; 20. a key; 21. a first clamping piece; 211. a clamping groove; 2111. a sliding groove portion; 2112. a locking groove portion; 22. a key receiving groove; 23. a third mounting portion; 24. a second sliding guide; 30. a sliding seat; 31. a second clamping piece; 311. a clamping convex block; 32. a clearance groove; 40. a first energy storage member; 50. and a second energy storage member.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "affixed" and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Wearable devices generally include a device body and a strap connected to the device body, through which the device body is worn to a wrist or other target location. Mechanical wrist-watch, intelligent bracelet are wearable equipment, and this kind of wrist strap formula equipment wears the table body to the wrist through the watchband.

In the related art, the structure of the belt body of the wearable equipment is complex, and the length adjustment operation process of the belt body is complex. Taking a wristwatch as an example, the watchband of the wristwatch is generally an integrated type, a pin buckle type and a butterfly buckle type. The integral watchband can not be disassembled, and the two ends of the watchband are respectively connected with the watch body, so that the watch is directly sleeved on the wrist when the watch is worn. The pin buckle type watchband comprises a first band body and a second band body, wherein the first band body and the second band body are respectively connected with the watch body, the first band body is provided with a contact pin, the second band body is provided with an adjusting hole, when the watch is worn, the watch body is placed on the wrist, and then the contact pin is inserted into the appropriate adjusting hole. When the watch with the butterfly buckle type watchband is worn, the watch is sleeved on the wrist, and the watchbands on the two sides of the buckle body are folded and buckled together in the middle, so that the watch is worn. However, the length of the band cannot be adjusted by the integrated band. The length of the watch strap can not be adjusted after the watch with the watch is worn, and if the length of the watch strap needs to be adjusted, the watch strap needs to be opened again, and then the length of the watch strap is adjusted, so that the watch strap is troublesome to operate. Also, in the related art, the length adjustment of the band can be adjusted only between a limited number of lengths, and the length adjustment of the band is discontinuous.

In order to solve the problem of trouble in adjusting the length of a watchband, the utility model provides a belt length adjusting mechanism, and also provides wearable equipment comprising the belt length adjusting mechanism, and after the wearable equipment is worn, the belt length can be adjusted, so that the belt length adjusting operation is convenient and quick, and the belt length adjusting is carried out without using tools.

The belt length adjusting mechanism is suitable for wearable equipment, and the wearable equipment can be an intelligent watch, a mechanical watch, an intelligent bracelet and the like.

Referring to fig. 1 to 9, the belt length adjusting mechanism and the wearable device of the present utility model are described below.

The wearable device comprises a device main body and a belt body, wherein the belt body comprises a first belt body, a second belt body and a belt body length adjusting mechanism, the opposite ends of the device main body are respectively connected with the first belt body and the second belt body, and the first belt body is connected with the second belt body through the belt body length adjusting mechanism. In this embodiment, the band body is a watchband.

The belt length adjusting mechanism comprises a first buckle body and a second buckle body, wherein the first belt body is connected with the first buckle body, and the second belt body is connected with the second buckle body.

The first button body comprises a base 10 and a button 20, the button 20 is movably connected with the base 10, a first energy storage piece 40 is arranged between the button 20 and the base 10, and the button 20 is provided with a first clamping piece 21. The second buckle body comprises a sliding seat 30, the sliding seat 30 is movably connected with the base 10, a second energy storage piece 50 is arranged between the sliding seat 30 and the base 10, and a second clamping piece 31 is arranged on the sliding seat 30.

The sliding seat 30 has a first connection position and a second connection position that are matched with the base 10, and the sliding seat 30 can move along the y-axis direction of the belt body relative to the base 10 to move to the first connection position and the second connection position, so as to adjust the length of the belt body. When the sliding seat 30 is positioned at the first connecting position, the length of the belt body is a first length S1, and when the sliding seat 30 is positioned at the second connecting position, the length of the belt body is a second length S2, wherein the first length S1 is larger than the second length S2; in other words, the length of the belt increases when the sliding seat 30 moves relative to the base 10 to approach the second connection position, and the length of the belt decreases when the sliding seat 30 moves relative to the base 10 to approach the first connection position.

The key 20 has a locking position and an unlocking position matched with the sliding seat 30, and the key 20 can move relative to the base 10 along the x-axis direction of the belt body to move to the locking position and the unlocking position so as to lock or unlock the relative movement between the sliding seat 30 and the base 10.

As shown in fig. 2 and fig. 4 to fig. 6, when the key 20 is located at the locking position, the first clamping member 21 is clamped with the second clamping member 31, and at this time, the sliding seat 30 is located at the first connecting position, and the key 20 limits the sliding seat 30 to move along the y-axis direction relative to the base 10; in other words, when the key 20 is located at the locking position, the sliding seat 30 cannot move relative to the base 10, and the belt length remains in the current state and is fixed.

When the key 20 is located at the unlocking position, the first clamping piece 21 is clamped with the second clamping piece 31, at this time, the sliding seat 30 can move relative to the base 10 along the y-axis direction, the sliding seat 30 can move to the second connecting position, and the length of the belt body can be extended.

In the present embodiment, the second energy storage member 50 is configured to: as shown in fig. 7, when the sliding seat 30 is located at the first connection position and the key 20 is located at the locking position, the second energy storage member 50 stores force; when the sliding seat 30 is located at the first connection position and the key 20 is located at the unlocking position, the sliding seat 30 can move to the second position along the y-axis direction relative to the base 10 under the action of the second energy storage member 50. The first energy storage member 40 is configured to provide the key 20 with a tendency to move in the x-axis direction toward the lock position.

In this embodiment, the y-axis direction is the length direction of the belt body of the wearable device, and the x-axis direction is the width direction of the belt body of the wearable device. In other embodiments, the x-axis direction may also be the thickness direction or other direction of the belt of the wearable device.

Taking a watch as an example, the length adjustment mode of the belt body of the wearable device is as follows:

after the wrist watch is worn on the wrist, the first buckle body is connected with the second buckle body, so that the connection between the first strap body and the second strap body of the watchband is realized.

When the watchband needs to be shortened, the key 20 is directly pressed, the key 20 moves along the x-axis direction against the acting force of the first energy storage piece 40, the key 20 moves from the locking position to the unlocking position, the sliding seat 30 automatically moves along the y-axis direction under the action of the second energy storage piece 50, and the length of the watchband is shortened until the watchband is tightly wrapped around the wrist.

When the watchband needs to be stretched, the sliding seat 30 is pulled along the y-axis direction in a direction away from the first buckle body until the key 20 is positioned at the unlocking position matched with the sliding seat 30, the first energy storage piece 40 drives the key 20 to return to the locking position, and the watchband recovers the initial length.

When wearing the watch, if the user needs to wear the watch more loosely, the user connects the first belt body with the second belt body, the key 20 locks the position of the sliding seat 30, the sliding seat 30 is kept at the first connection position, and the length of the belt body is the initial length. When the wearer needs to wear the watch tightly, for example, when the wearer runs, the key 20 can be pressed, the sliding seat 30 can automatically slide under the action of the second energy storage piece 50, and the length of the watchband is automatically shortened, so that a tight wearing experience can be obtained. When the wearer needs to restore the watchband to the original length again, the wearer can restore the locked position under the action of the first energy storage piece 40 by directly pulling the sliding seat 30 and pulling the key 20 in place, and the watchband returns to the original length.

The belt length adjusting mechanism and the wearable equipment can realize the function of automatically tightening the wrist or other parts by the belt according to the circumference of the wrist or other wearing parts without disassembling the belt after the equipment is worn, and the length adjusting operation of the belt is simple and convenient. The belt body is shortened by automatically sliding the sliding seat 30 relative to the base 10 under the action of the second energy storage member 50, so that the stepless and continuous length adjustment of the belt body can be realized.

According to the belt length adjusting mechanism and the wearable device, after the wearable device is worn, shortening adjustment of the belt can be achieved through one action of pressing the key 20, resetting of the belt length can be achieved through one action of pulling the sliding seat 30, the belt is lengthened and shortened to be adjusted, the steps are few, and the operation is simple, convenient and quick.

Referring to fig. 2 to 6, the first clamping member 21 and the second clamping member 31 in the present embodiment are disposed in the following manner: the first clamping piece 21 is provided with a clamping projection 311, and the second clamping piece 31 is provided with a clamping groove 211. When the first buckle body is connected with the second buckle body, the clamping protruding blocks 311 are clamped into the clamping grooves 211, so that the first buckle body and the second buckle body are in limit connection in the x-axis direction and the y-axis direction of the belt body. When the key 20 moves relative to the base 10, the key 20 also moves relative to the slide base 30, and when the key 20 moves between the locked position and the unlocked position, the engaging protrusion 311 moves in the engaging groove 211.

In order to lock and unlock the slide holder 30 by the key 20, the lock groove 211 is provided to include a slide groove portion 2111 and a lock groove portion 2112, the lock groove portion 2112 is connected to and communicates with the slide groove portion 2111, the slide groove portion 2111 extends in the y-axis direction, and the lock groove portion 2112 is located on one side of the slide groove portion 2111 in the x-axis direction.

When the key 20 is located at the locking position, the locking protrusion 311 is locked in the locking groove 2112, and at this time, the sliding seat 30 is blocked by the key 20, and cannot slide along the y-axis direction relative to the base 10, so that the belt body is kept at the current length. When the wearer pushes or presses the key 20, the locking protrusion 311 overcomes the force of the first energy storage member 40 and slides into the sliding groove 2111 from the locking groove 2112. When the key 20 is located at the unlocking position, the clamping protrusion 311 is located in the sliding groove 2111, at this time, the limitation of the key 20 on the movement of the sliding seat 30 along the y-axis direction is released, the sliding seat 30 can automatically move from the first connection position to the second connection position under the action of the second energy storage member 50, so as to achieve shortening of the belt body, and the sliding seat 30 can also move from the second connection position to the first connection position under the action of the pulling force of the wearer, so as to achieve extension and resetting of the belt body.

As shown in fig. 2, 5 and 6, the first clasp is disposed on the left side of the second clasp, when the watchband is shortened, the key 20 is pressed, the engaging protrusion 311 is adjusted to the sliding groove 2111 by the locking groove 2112, the sliding seat 30 is moved leftward by the second force accumulating member, and the band is shortened. When the belt body is extended, the sliding seat 30 is directly pulled to the rightmost side, the key 20 is clamped into the locking groove portion 2112 under the action of the first force storage piece, and the belt body returns to the initial length.

Opposite ends of the sliding groove portion 2111 in the y-axis direction are a first groove end and a second groove end. When the sliding seat 30 is located at the first connection position, the locking protrusion 311 is locked in the locking groove 2112, or the locking protrusion 311 is locked in the sliding groove 2111 and the locking protrusion 311 abuts against the first groove end of the sliding groove 2111, and the length of the belt is the initial length. When the sliding seat 30 is located at the second connection position, the locking protrusion 311 is locked in the sliding groove 2111, and the locking protrusion 311 abuts against the second groove end of the sliding groove 2111, so that the length of the belt body is the shortest length.

In this embodiment, as shown in fig. 3 to 5, the clamping groove 211 is an L-shaped groove or an approximately L-shaped groove. In other embodiments, the clamping groove 211 may be an arc groove or other shaped groove.

In other embodiments, the first clamping member 21 may be provided with a clamping projection, and the second clamping member 31 may be provided with a clamping groove.

The utility model can realize the clamping between the first clamping piece 21 and the second clamping piece 31 and the clamping between the first buckling body and the second buckling body through the clamping of the clamping convex blocks 311 and the clamping grooves 211. In addition, the grooves 211 are configured with different extending directions, and by the cooperation of the clamping convex blocks 311 and the clamping grooves 211, the locking and unlocking of the key 20 to the movement of the sliding seat 30 along the y-axis direction can be realized, the guiding of the movement of the sliding seat 30 along the y-axis direction relative to the base 10 can be provided, and the guiding of the movement of the key 20 along the x-axis direction relative to the base 10 can be provided, so that the structure of the first buckle body and the second buckle body is more compact, and the cooperation is more reliable.

In other embodiments, the clamping groove 211 may not be provided in the first clamping member 21 or the second clamping member 31, several key limiting blocks may be provided in the first clamping member 21 of the key 20, seat limiting blocks are also provided in the second clamping member 31 of the sliding seat 30, and locking and unlocking of the key 20 to the sliding seat 30 in the y-axis direction are achieved through cooperation between the limiting blocks on the two clamping members, so that other connection structures may be further provided between the first buckle body and the second buckle body in order to achieve reliable connection between the first belt body and the second belt body without configuring the clamping protrusion 311 and the clamping groove 211.

Referring to fig. 3 and 4, in order to improve the reliability of the belt length adjustment, the key 20 is provided with at least two first clamping members 21 at intervals along the x-axis direction, the sliding seat 30 is provided with at least two second clamping members 31 at intervals along the x-axis direction, and the sliding seat 30 is matched with the key 20 through at least two groups of clamping assemblies, so that the stability of the sliding seat 30 moving along the y-axis direction relative to the base 10 is improved, the stability of the key 20 moving along the x-axis direction relative to the base 10 is improved, and the reliability of the belt shortening operation and the stretching operation is ensured.

In this embodiment, the key 20 includes two clamping grooves 211 spaced along the x-axis direction, and the sliding seat 30 includes two clamping protrusions 311 spaced along the x-axis direction.

With reference to fig. 2 and 6, the sliding seat 30 has a certain width, and in order to ensure that the sliding seat 30 can slide stably and reliably relative to the base 10 under the pulling of the second energy storage member 50, so as to shorten the belt length, at least two second energy storage members 50 are disposed between the sliding seat 30 and the base 10 at intervals along the x-axis direction.

The first buckle body and the second buckle body are configured in the following manner:

the base 10 is provided with a mounting groove 101, one side in the y-axis direction of the base 10 is a first seating surface 102, and one side in the x-axis direction of the base 10 is a second seating surface 103. The first seat surface 102 is provided with a first notch communicating with the mounting groove 101, and the second seat surface 103 is provided with a second notch communicating with the mounting groove 101.

The slide holder 30 is inserted into the mounting groove 101 through the first slot, and the key 20 is inserted into the mounting groove 101 through the second slot. When the sliding seat 30 is located at the first connection position, the length of the belt body is the initial length, and the sliding seat 30 protrudes relative to the first seat surface 102. When the key 20 is located at the locking position, the key 20 protrudes relative to the second seat surface 103.

When the belt body needs to be shortened, the key 20 is pressed towards the inside of the mounting groove 101, the key 20 moves to the unlocking position, and the sliding seat 30 can slide towards the inside of the mounting groove 101 under the action of the second energy storage piece 50, so that the total length of the belt body is shortened. When the belt body needs to be restored to the initial length, the sliding seat 30 is pulled outwards until the key 20 is restored to the locking position matched with the sliding seat 30 under the action of the first energy storage piece 40, and the belt body can be kept at the initial length.

In this embodiment, the base 10 is provided with the mounting groove 101, the sliding seat 30 is inserted into the mounting groove 101, and the key 20 is inserted into the mounting groove 101, so that the sliding seat 30 and the base 10 can be movably connected, and the key 20 and the base 10 can be movably connected. The base 10 is provided with the mounting groove 101, and the first force storage member, the second force storage member, the first clamping member 21 and the second clamping member 31 can be arranged in the mounting groove 101, so that the belt length adjusting mechanism is more compact and reliable in structure.

In the present embodiment, the base 10 includes a base 11 and a cover 12, the cover 12 is connected to the base 11, and the mounting groove 101 is formed between the base 11 and the cover 12. When the first force storage element, the second force storage element, the key 20 and the sliding seat 30 are installed, the cover 12 can be opened first, and then the cover 12 is closed after the installation is completed.

In other embodiments, the base 10 may not be provided with the mounting groove 101.

With continued reference to fig. 2 and fig. 5 to fig. 9, the first force storage member and the second force storage member are springs, the first force storage member extends along the x-axis direction, and the second force storage member extends along the y-axis direction.

In this embodiment, the first force accumulating member is a compression spring, and when the key 20 is located at the unlocking position, the spring is compressed, so that the key 20 has a tendency to move out of the mounting groove 101 to return to the locking position. The second force accumulating member is a tension spring, when the length of the belt body is the initial length, the sliding seat 30 is located at the first connection position, the tension spring is stretched and deformed, and elastic force is accumulated, and the spring makes the sliding seat 30 have a tendency to move into the mounting groove 101 to move to the second connection position, so that the sliding seat 30 has a tendency to move to the second connection position.

In other embodiments, the first force storage element and the second force storage element may be elastic structures such as a spring plate and an elastomer, or may be magnetic structures that provide a moving trend to the sliding seat 30 and the key 20.

With continued reference to fig. 6 and 7, in order to make the overall structure more compact and reduce the volume of the belt length adjusting mechanism, the second energy storage member 50 is disposed on one side of the sliding seat 30 in the y-axis direction, and the sliding seat 30 is provided with the avoidance slot 32. When the sliding seat 30 is located at the first connecting position, a part of the second energy storage member 50 is located in the avoidance groove 32. When the sliding seat 30 moves to the second connection position under the pulling of the second energy storage piece 50, the length of the belt body is shortened, and the second energy storage piece 50 is located in the avoidance groove 32.

In this embodiment, the base 10 includes a first mating surface, the sliding seat 30 includes a second mating surface, a side of the sliding seat 30 with the second mating surface is provided with the avoidance slot 32, when the sliding seat 30 moves to the second connection position, the second mating surface abuts against the first mating surface, and the second energy storage member 50 is located in the avoidance slot 32. By providing the avoidance groove 32, the second energy storage member 50 can be prevented from obstructing the movement of the sliding seat 30 to the second connection position in the case that the volumes of the base 10 and the sliding seat 30 are limited.

In other embodiments, the base 10 is provided with the clearance groove 32, or the base 10 and the sliding seat 30 are provided with the clearance groove 32.

In other embodiments, the seat 10 or the slide base 30 may not be provided with the clearance groove 32. In other embodiments, the second energy storage member 50 may also be disposed on one side of the sliding seat 30 along the z-axis direction, so as to avoid the second energy storage member 50 from obstructing the sliding seat 30 from sliding toward the second connection position along the y-axis direction.

With continued reference to fig. 2-5, 8, and 9, the first energy storage member 40 is mounted by:

the first energy storage member 40 is a tension spring. The base 10 is provided with a second mounting portion 14, the key 20 is provided with a third mounting portion 23, and the third mounting portion 23 is located on one side of the second mounting portion 14 in the x-axis direction. The first energy storage member 40 is sandwiched between the second mounting portion 14 and the third mounting portion 23. One end of the first energy storage member 40 is abutted against or connected to the second mounting portion 14, and the other end of the first energy storage member 40 is abutted against or connected to the third mounting portion 23.

When the key 20 is in the unlock position, the first energy storage member 40 compresses to store the elastic force, and the elastic force of the first energy storage member 40 causes the first key 20 to have a tendency to move toward the lock position. The locking protrusion 311 can be locked into the locking groove 2112 under the elastic force of the first energy storage member 40, so as to move the key 20 to the locking position.

In one embodiment, the key 20 is provided with a key receiving groove 22, the base 10 is provided with a seat receiving groove 15, and one part of the first energy storage member 40 is positioned in the key receiving groove 22, and the other part is positioned in the seat receiving groove 15. By providing the receiving groove, the fit between the key 20 and the base 10 can be made more compact, and the mounting of the first energy storage member 40 can be made more reliable.

In other embodiments, the key receiving groove 22 may be provided only in the key 20, the seat receiving groove 15 may be provided only in the base 10, or the key 20 and the base 10 may not be provided with receiving grooves.

In other embodiments, the first energy storage member 40 may also be a tension spring.

With continued reference to fig. 2 and 6-8, the second energy storage member 50 is mounted by:

the base 10 is provided with a first mounting convex part 13, and the second energy storage piece 50 is a spring; one end of the second energy storage member 50 is connected with the sliding seat 30, and the other end is connected with the first mounting convex part 13;

when the sliding seat 30 is positioned at the first connecting position, the second energy storage piece 50 stretches; when the key 20 is located at the unlocking position, the elastic force of the second energy storage member 50 acts on the sliding seat 30, so that the sliding seat 30 can slide towards the second connection position.

As shown in fig. 2 and 4, the end of the second energy storage member 50 is a collar, and the collar is sleeved on the first mounting protrusion 13, so as to realize connection between the second energy storage member 50 and the base 10. The connection of the second energy storage member 50 to the base 10 can be achieved quickly and easily when the belt length adjustment mechanism is assembled. The second energy storage member 50 and the sliding seat 30 may be, but not limited to, a fixed connection and a clamping connection.

In order to stabilize the locking and unlocking functions of the key 20, the key 20 is slidably coupled to the base 10 by a sliding assembly that provides a movement guide for the key 20 to move along the x-axis. The slide assembly includes a first slide guide 16 disposed on the base 10 and a second slide guide 24 disposed on the key 20.

Referring to fig. 2, 3, 5 and 6, in the present embodiment, the first sliding guide 16 is a chute, the second sliding guide 24 is a slider, the slider is slidably connected to the chute, and the chute extends along the x-axis direction.

In other embodiments, the first sliding guide 16 is a slider and the second sliding guide 24 is a chute; the sliding block is in sliding connection with the sliding groove, and the sliding groove extends along the x-axis direction.

The key 20 slides along the x-axis direction relative to the base 10, so that when moving between the locking position and the unlocking position, the slide block slides along the chute, when the key 20 is pressed or pushed, and when the key 20 is reset, the key 20 moves smoothly, and the sliding seat 30 and the base 10 can be reliably locked and unlocked.

In an embodiment, as shown in fig. 5 and 7, the sliding seat 30 is inserted into the mounting groove 101 of the base 10 through the first notch, so as to realize the limiting connection between the second buckle body and the first buckle body in the z-axis direction, and the first clamping piece 21 and the second clamping piece 31 are clamped, so as to realize the limiting connection between the second buckle body and the first buckle body in the x-axis direction and the y-axis direction.

In this embodiment, the wearing of the watch and the adjustment of the length of the wristband may be achieved at least by:

mode one: when the wearable device is a watch, the cover 12 of the base 10 can be configured to be openable, when the watch is worn, the cover 12 is opened, the sliding seat 30 is buckled into the base 10, the cover 12 is covered again, and the first buckle body is buckled with the second buckle body, so that the watch wearing is completed. After the wearing is completed, the length of the watchband needs to be adjusted, so that the watchband can be shortened by pressing the key 20, and the extension of the watchband can be realized by pulling the sliding seat 30.

Mode two: when the wearable device is a watch, the sliding seat can be adjusted to the first connecting position, the watchband is slightly loose at the moment, the watchband can be directly sleeved on the wrist, after the wrist is sleeved, the key is pressed again, the watchband is automatically shortened under the driving of the sliding seat, the wrist is tightly wrapped, and wearing is completed. When the watch needs to be taken down, the second belt body or the sliding seat is pulled, so that the belt body can be stretched, and the watch is taken down.

It should be noted that, in other embodiments, wearing of the wearable device may also be achieved in other manners.

In other embodiments, the base 10 is not provided with the mounting groove 101, the sliding seat 30 is not inserted into the base 10, and in order to achieve reliable connection between the first belt body and the second belt body, an anti-disengagement assembly may be further disposed between the first buckle body and the second buckle body, where the anti-disengagement assembly is used to limit the limited connection between the first buckle body and the second buckle body in the z-axis direction of the belt body when the clamping protrusion 311 is clamped into the clamping groove 211. The anti-falling component can be, but is not limited to, a magnetic component, and when the anti-falling component is a magnetic component, the anti-falling component comprises a first magnetic part and a second magnetic part, the first magnetic part is arranged on the first buckle body, the second magnetic part is arranged on the second buckle body, and when the first clamping part 21 and the second clamping part 31 are clamped, magnetic attraction is generated between the first magnetic part and the second magnetic part to limit the first buckle body to keep the buckle connection with the second buckle body.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. A belt length adjustment mechanism, comprising:

the first buckle body comprises a base (10) and keys (20); the key (20) is movably connected with the base (10), and a first energy storage piece (40) is arranged between the key (20) and the base (10); the key (20) is provided with a first clamping piece (21);

the second buckle body comprises a sliding seat (30); the sliding seat (30) is movably connected with the base (10), and a second energy storage piece (50) is arranged between the sliding seat (30) and the base (10); the sliding seat (30) is provided with a second clamping piece (31);

the sliding seat (30) is provided with a first connecting position and a second connecting position, and the sliding seat (30) can slide along the y-axis direction relative to the base (10); the key (20) is provided with a locking position and an unlocking position, and the key (20) can slide along the x-axis direction relative to the base (10);

when the key (20) is positioned at the locking position, the first clamping piece (21) is clamped with the second clamping piece (31), the sliding seat (30) is positioned at the first connecting position, and the key (20) limits the sliding seat (30) to move along the y-axis direction relative to the base (10);

when the key (20) is positioned at the unlocking position, the first clamping piece (21) is clamped with the second clamping piece (31), and the sliding seat (30) can move towards the second connecting position under the action of the second energy storage piece (50).

2. The belt length adjustment mechanism according to claim 1, characterized in that the first clamping member (21) is provided with a clamping projection (311), and the second clamping member (31) is provided with a clamping groove (211); or, the first clamping piece (21) is provided with a clamping groove, and the second clamping piece (31) is provided with a clamping convex block;

the clamping groove (211) comprises a sliding groove part (2111) and a locking groove part (2112), and the sliding groove part (2111) extends along the y-axis direction; the locking groove (2112) is positioned on one side of the sliding groove (2111) in the x-axis direction, and the locking groove (2112) is connected with the sliding groove (2111);

when the key (20) is positioned at the locking position, the clamping convex block (311) is clamped in the locking groove part (2112); when the key (20) is positioned at the unlocking position, the clamping convex block (311) is clamped in the sliding groove part (2111).

3. Belt length adjustment mechanism according to claim 1, characterized in that the keys (20) are provided with at least two first clamping members (21) spaced apart along the x-axis direction; the sliding seat (30) is provided with at least two second clamping pieces (31) at intervals along the x-axis direction.

4. Belt length adjustment mechanism according to claim 1, characterized in that a plurality of second energy storage members (50) are arranged between the sliding seat (30) and the base (10), the plurality of second energy storage members (50) being arranged at intervals along the x-axis direction.

5. Belt length adjustment mechanism according to claim 1, characterized in that the base (10) is provided with a mounting groove (101), the base (10) comprising a first seat surface (102) and a second seat surface (103), the second seat surface (103) being adjacent to the first seat surface (102); the first seat surface (102) is provided with a first notch communicated with the mounting groove (101), and the second seat surface (103) is provided with a second notch communicated with the mounting groove (101);

the sliding seat (30) is inserted into the mounting groove (101) through the first notch, and the key (20) is inserted into the mounting groove (101) through the second notch.

6. Belt length adjustment mechanism according to any one of claims 1-5, characterized in that the sliding seat (30) is provided with a clearance groove (32) and/or the base (10) is provided with a clearance groove (32); when the sliding seat (30) is located at the second connection position, the second energy storage piece (50) is located in the avoidance groove (32).

7. Belt length adjustment mechanism according to any one of claims 1-5, characterized in that the base (10) is provided with a first mounting boss (13) and the second energy storage member (50) is a spring; one end of the second energy storage piece (50) is connected with the sliding seat (30), and the other end of the second energy storage piece is connected with the first installation convex part (13);

when the sliding seat (30) is positioned at the first connecting position, the second energy storage piece (50) stretches; when the key (20) is located at the unlocking position, the elastic force of the second energy storage piece (50) acts on the sliding seat (30) so that the sliding seat (30) can slide towards the second connecting position.

8. Belt length adjustment mechanism according to any one of claims 1-4, characterized in that the first energy storage member (40) is a spring;

the base (10) is provided with a second installation part (14), the key (20) is provided with a third installation part (23), and the first energy storage piece (40) is arranged between the second installation part (14) and the third installation part (23); one end of the first energy storage member (40) is abutted against the second mounting part (14), and the other end is abutted against the third mounting part (23); when the key (20) is positioned at the unlocking position, the first energy storage piece (40) is compressed.

9. Belt length adjustment mechanism according to claim 1, characterized in that the base (10) is provided with a first sliding guide (16) and the key (20) is provided with a second sliding guide (24);

the first sliding guide piece (16) is a sliding groove, and the second sliding guide piece (24) is a sliding block; or, the first sliding guide piece (16) is a sliding block, and the second sliding guide piece (24) is a sliding groove; the sliding block is in sliding connection with the sliding groove, and the sliding groove extends along the x-axis direction.

10. A wearable device, comprising:

an apparatus main body;

a wristband comprising a first strap, a second strap and a strap length adjustment mechanism according to any one of claims 1 to 9; the first belt body is connected with the base (10), and the second belt body is connected with the sliding seat (30);

the length of the watchband is a first length when the sliding seat (30) is positioned at the first connecting position, and the length of the watchband is a second length when the sliding seat (30) is positioned at the second connecting position, and the second length is shorter than the first length.