Watchband and wristwatch

Abstract

The utility model relates to the technical field of watchbands, and discloses a watchband and a wristwatch, the watchband comprises at least two watchband units, the watchband units are connected in sequence, and each watchband unit comprises a first connecting block, a second connecting block, a third connecting block, a first connecting shaft, a second connecting shaft, a positioning shaft and a limiting device; the third connecting block is provided with a first through hole, a second through hole and a limiting hole, the first through hole is parallel to the second through hole, and the limiting hole is communicated with the second through hole; the first connecting block and the second connecting block are located on the two opposite sides of the third connecting block correspondingly, the positioning shaft is connected between the first connecting block and the second connecting block, the first connecting shaft is connected between the first connecting block and the third connecting block, and one end of the first connecting shaft is connected into the second through hole. The second connecting shaft is connected between the second connecting block and the third connecting block, and one end of the second connecting shaft is connected into the second through hole; a limiting groove is formed in the end, away from the second connecting block, of the second connecting shaft, a limiting device is arranged in a limiting hole, and disassembly and assembly are convenient.

Description

Technical Field

[0001] This utility model relates to the field of watch strap technology, and in particular to a watch strap and a wristwatch. Background Technology

[0002] Currently, watch straps consist of multiple strap units connected sequentially. Any two adjacent strap units are typically connected by pins. Adjusting the strap length requires specialized tools to disassemble and assemble the strap units. Therefore, disassembling and assembling watch strap units is inconvenient. Utility Model Content

[0003] This utility model proposes a watch strap and a wristwatch to solve the technical problem of inconvenient disassembly and assembly of watch strap units in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model proposes a watch strap, including at least two watch strap units, each watch strap unit being connected in sequence, and each watch strap unit including a first connecting block, a second connecting block, a third connecting block, a first connecting shaft, a second connecting shaft, a positioning shaft, and a limiting device;

[0005] The third connecting block is provided with a first through hole, a second through hole and a limiting hole, the first through hole and the second through hole are parallel to each other, and the limiting hole and the second through hole are connected.

[0006] In the same watch band unit, the first connecting block and the second connecting block are respectively located on opposite sides of the third connecting block. The positioning shaft is connected between the first connecting block and the second connecting block. The first connecting shaft is connected between the first connecting block and the third connecting block, and one end of the first connecting shaft is connected to the second through hole. The second connecting shaft is connected between the second connecting block and the third connecting block, and one end of the second connecting shaft is connected to the second through hole. In any two adjacent watch band units, the positioning shaft of one watch band unit passes through the first through hole of the other watch band unit.

[0007] The second connecting shaft has a limiting groove at one end away from the second connecting block. The limiting device is located in the limiting hole and can cooperate with the limiting groove to lock the second connecting shaft and the third connecting block.

[0008] Optionally, the limiting device includes a first elastic element and a spring seat. The spring seat is at least partially located within the limiting hole. The first elastic element abuts against the bottom wall of the limiting hole and the spring seat. The spring seat has a first limiting protrusion that mates with the limiting groove. The limiting hole has a first limiting stop that can block the first limiting protrusion. The limiting device also includes a button fixing member, which is located on the side of the spring seat away from the first elastic element.

[0009] Optionally, the first connecting block, the first connecting shaft, and the third connecting block are integrally formed.

[0010] Optionally, the limiting groove is provided along the axial surface of the second connecting shaft to form an annular limiting groove.

[0011] Optionally, the first connecting block has a first positioning hole and a first connecting hole on the same side, and the second connecting block has a second positioning hole and a second connecting hole on the same side.

[0012] In the same watch strap unit, one end of the positioning shaft is fixedly connected to the first positioning hole and the first connecting block, and the other end of the positioning shaft is detachably connected to the second positioning hole and the second connecting block.

[0013] One end of the first connecting shaft is fixedly connected to the first connecting block through the first connecting hole, and the other end of the first connecting shaft passes through one end of the second through hole. One end of the second connecting shaft is detachably connected to the second connecting block through the second connecting hole, and the other end of the second connecting shaft passes through the other end of the second through hole.

[0014] Optionally, one end of the positioning shaft, both ends of the first connecting shaft, and one end of the second connecting shaft are respectively provided with anti-slip textures. One end of the positioning shaft forms a first interference fit with the inner wall of the first positioning hole through the anti-slip textures. One end of the first connecting shaft forms a second interference fit with the inner wall of the first connecting hole through the anti-slip textures. The other end of the first connecting shaft forms a third interference fit with the inner wall of one end of the second through hole through the anti-slip textures. One end of the second connecting shaft forms a fourth interference fit with the inner wall of the second connecting hole through the anti-slip textures.

[0015] Optionally, a second limiting stop is provided at one end of the second through hole near the second connecting block, and a second limiting protrusion is provided at the other end of the second connecting shaft to cooperate with the second limiting stop, so as to prevent the second connecting shaft from disengaging from the second through hole.

[0016] Optionally, the watch strap unit further includes a second elastic element, which abuts against the second limiting stop and the second limiting protrusion.

[0017] This utility model also proposes a watch strap, including at least two watch strap units, each of which is connected in sequence. Each watch strap unit includes a first connecting block, a second connecting block, a third connecting block, a third connecting shaft, a positioning shaft, and a limiting device.

[0018] The third connecting block is provided with a first through hole and a second through hole, and the first through hole and the second through hole are parallel to each other;

[0019] In the same watch band unit, the first connecting block and the second connecting block are respectively located on opposite sides of the third connecting block, and the positioning shaft is connected between the first connecting block and the second connecting block. In any two adjacent watch band units, the positioning shaft of one watch band unit passes through the first through hole of the other watch band unit.

[0020] The second connecting block is provided with a second connecting hole and a limiting hole. The limiting hole and the second connecting hole are connected. One end of the third connecting shaft is connected to the first connecting block. The third connecting shaft passes through the second through hole. The other end of the third connecting shaft is detachably connected to the second connecting block through the second connecting hole. The other end of the third connecting shaft is provided with a limiting groove. The limiting device is provided in the limiting hole and can cooperate with the limiting groove to lock the third connecting shaft and the second connecting block.

[0021] This utility model proposes a wristwatch, including the aforementioned watch strap.

[0022] Compared with existing technologies, the number of watch band units in this invention can be set according to user needs. Any two adjacent watch band units are connected by a positioning shaft of one unit and a first through hole in the third connecting block of another unit. To reduce the number of watch band units, the limiting device releases the engagement with the limiting groove. Then, the second connecting block of one watch band unit can be removed, followed by the sequential removal of the first and third connecting blocks. To increase the number of watch band units, the positioning shaft of the watch band unit to be installed is first inserted into the first through hole of the third connecting block of another watch band unit at the middle end of the watch band, followed by the sequential installation of the second connecting blocks of that unit. Finally, the limiting device and the limiting groove lock the second connecting shaft and the third connecting block together. Adding watch band units to this invention does not require external tools, making assembly and disassembly convenient.

[0023] The wristwatch of this invention also has the above-mentioned advantages, which will not be repeated here. Attached Figure Description

[0024] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0025] Figure 1 This is a schematic diagram of the watch strap structure in one embodiment of the present invention (Example 1).

[0026] Figure 2 This is a schematic diagram of the watch strap assembly and disassembly in one embodiment of Embodiment 1 of this utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the watch strap unit in one embodiment of the present invention;

[0028] Figure 4 This is an exploded view of the watch strap unit in one embodiment of this utility model;

[0029] Figure 5 This is a schematic diagram of the disassembly and assembly of the watch strap unit in one embodiment of the present utility model 1;

[0030] Figure 6 This is a cross-sectional view of the watch strap unit in one embodiment of the present invention (Example 1).

[0031] Figure 7 This is a schematic diagram of the disassembly and assembly of the watch strap unit in one embodiment of Embodiment 2 of this utility model;

[0032] Figure 8 This is an exploded view of the watch strap unit in one embodiment of Embodiment 3 of the present invention;

[0033] Figure 9 This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 3 of the present invention;

[0034] Figure 10 This is an exploded view of the watch strap unit in one embodiment of Embodiment 4 of the present invention;

[0035] Figure 11 This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 4 of the present invention;

[0036] Figure 12 This is an exploded view of the watch strap unit in one embodiment of Embodiment 5 of the present invention;

[0037] Figure 13 This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 5 of the present invention;

[0038] Figure 14This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 6 of the present invention;

[0039] Figure 15 This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 7 of the present invention;

[0040] Figure 16 This is a schematic diagram of the structure of the watch strap unit in one embodiment of Embodiment 8 of the present invention. Detailed Implementation

[0041] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and similar expressions used in this specification are for illustrative purposes only.

[0042] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0043] Furthermore, the terms "first," "second," "third," etc., used in the specification and claims are only for the purpose of distinguishing the description of the same technical features and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated, nor necessarily the order of description or chronological sequence. Where appropriate, the terms are interchangeable. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature.

[0044] Similarly, the terms "fixed" and "connected" are used in the specification and claims and should not be construed as limited to a direct connection. Therefore, the expression "device A is connected to device B" should not be limited to device A being directly connected to device B in a device or system; it means that there is a path between device A and device B, which can be a path that includes other devices or tools.

[0045] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0046] Example 1

[0047] Please refer to Figures 1 to 6 Embodiment 1 of this utility model discloses a watch strap 1000, comprising at least two watch strap units 100 connected sequentially. Each watch strap unit 100 includes a first connecting block 10, a second connecting block 20, a third connecting block 30, a first connecting shaft 40, a second connecting shaft 50, a positioning shaft 60, and a limiting device 70. The third connecting block 30 is provided with a first through hole 32, a second through hole 34, and a limiting hole 80. The first through hole 32 and the second through hole 34 are parallel to each other, and the limiting hole 80 communicates with the second through hole 34. In the same watch strap unit 100, the first connecting block 10 and the second connecting block 20 are respectively located on opposite sides of the third connecting block 30, and the positioning shaft 60 is connected to the first connecting block 10 and the second connecting block 20. Between the first connecting shaft 40 and the third connecting block 30, one end of the first connecting shaft 40 is connected to the second through hole 34. The second connecting shaft 50 is connected between the second connecting block 20 and the third connecting block 30, and one end of the second connecting shaft 50 is connected to the second through hole 34. In any two adjacent strap units 100, the positioning shaft 60 of one strap unit 100 passes through the first through hole 32 of the other strap unit 100. The end of the second connecting shaft 50 away from the second connecting block 20 is provided with a limiting groove 52. The limiting device 70 is provided in the limiting hole 80 and can cooperate with the limiting groove 52 to lock the second connecting shaft 50 and the third connecting block 30.

[0048] In this embodiment of the watch strap 1000, the number of watch strap units 100 can be set according to user needs. Any two adjacent watch strap units 100 are connected by a positioning shaft 60 of one watch strap unit 100 and a first through hole 32 of a third connecting block 30 in another watch strap unit 100. To reduce the number of watch strap units 100, the limiting device 70 is released from its engagement with the limiting groove 52. At this time, the second connecting block 20 of one watch strap unit 100 can be removed, and then the first connecting block 10 and the third connecting block 30 of that watch strap unit 100 can be removed in sequence. To increase the number of watch strap units 100, the positioning shaft 60 of a watch strap unit 100 to be installed is first inserted into the first through hole 32 of the third connecting block 30 of a watch strap unit 100 at the middle end of the watch strap 1000, and then the second connecting block 20 of the watch strap unit 100 to be installed is installed in sequence. Finally, the second connecting shaft 50 and the third connecting block 30 are locked together by the engagement of the limiting device 70 and the limiting groove 52. When adding a watch strap unit 100 to the watch strap 1000 in this embodiment, no special tools are needed. The watch strap can be easily disassembled and assembled using common toothpicks, SIM card ejectors, small nails, paper clips, or other readily available fine-pointed items.

[0049] In one embodiment, the limiting device 70 includes a first elastic element 72 and a spring seat 74. The spring seat 74 is at least partially located within the limiting hole 80. The first elastic element 72 abuts against the bottom wall of the limiting hole 80 and the spring seat 74. The spring seat 74 has a first limiting protrusion 742 that cooperates with the limiting groove 52. The limiting hole 80 has a first limiting stop 82 that can block the first limiting protrusion 742. The first elastic element 72 can be a spring. When it is necessary to release the lock on the second connecting shaft 50, the spring seat 74 is pressed, causing the first limiting protrusion 742 on the spring seat 74 to disengage from the limiting groove 52. In this way, the second connecting shaft 50 can move within the second through hole 34, thereby allowing the second connecting block 20 to be disassembled and assembled. The cooperation of the first limiting stop 82 and the first limiting protrusion 742 prevents the spring seat 74 from disengaging from the limiting hole 80.

[0050] In one embodiment, the limiting device 70 further includes a button fixing member 76, which is disposed on the side of the spring seat 74 away from the first elastic element 72. By providing the button fixing member 76, it is convenient to fix and press the spring seat 74, making operation convenient.

[0051] In one embodiment, the limiting groove 52 is disposed along the axial surface of the second connecting shaft 50 to form an annular limiting groove 52. When the limiting groove 52 is annular, the engagement between the first limiting protrusion 742 and the limiting groove 52 is more sensitive and smooth, avoiding the occurrence of engagement failure.

[0052] In one embodiment, the first connecting block 10 has a first positioning hole 12 and a first connecting hole 14 on the same side, and the second connecting block 20 has a second positioning hole 22 and a second connecting hole 24 on the same side. In the same strap unit 100, one end of the positioning shaft 60 is fixedly connected to the first connecting block 10 through the first positioning hole 12, and the other end of the positioning shaft 60 is detachably connected to the second connecting block 20 through the second positioning hole 22. One end of the first connecting shaft 40 is fixedly connected to the first connecting block 10 through the first connecting hole 14, and the other end of the first connecting shaft 40 passes through one end of the second through hole 34. One end of the second connecting shaft 50 is detachably connected to the second connecting block 20 through the second connecting hole 24, and the other end of the second connecting shaft 50 passes through the other end of the second through hole 34. By providing the first positioning hole 12, the first connecting hole 14, the second positioning hole 22, and the second connecting hole 24, it is convenient to assemble the first connecting shaft 40, the second connecting shaft 50, and the positioning shaft 60.

[0053] In one embodiment, one end of the positioning shaft 60, both ends of the first connecting shaft 40, and one end of the second connecting shaft 50 are respectively provided with anti-slip textures. One end of the positioning shaft 60 forms a first interference fit with the inner wall of the first positioning hole 12 through the anti-slip textures; one end of the first connecting shaft 40 forms a second interference fit with the inner wall of the first connecting hole 14 through the anti-slip textures; the other end of the first connecting shaft 40 forms a third interference fit with the inner wall of one end of the second through hole 34 through the anti-slip textures; and one end of the second connecting shaft 50 forms a fourth interference fit with the inner wall of the second connecting hole 24 through the anti-slip textures. This improves the connection strength of the watch strap unit 100.

[0054] This embodiment discloses a wristwatch, including the aforementioned watch strap 1000. The wristwatch of this embodiment also possesses the aforementioned advantages, which will not be repeated here.

[0055] Example 2

[0056] Please refer to the above as well. Figure 7 The difference between Embodiment 2 and Embodiment 1 is that: a second limiting stop 342 is provided at one end of the second through hole 34 near the second connecting block 20, and a second limiting protrusion 54 that cooperates with the second limiting stop 342 is provided at the other end of the second connecting shaft 50 to prevent the second connecting shaft 50 from disengaging from the second through hole 34. By providing the second limiting stop 342, the second connecting shaft 50 can be prevented from disengaging from the second through hole 34.

[0057] Example 3

[0058] Please refer to Figure 8 and Figure 9 The difference between Embodiment 3 and Embodiment 2 is that the watch strap unit 100 further includes a second elastic element 90, which abuts against the second limiting stop 342 and the second limiting protrusion 54. The second elastic element 90 is a spring, capable of pushing the second connecting shaft 50 and the second connecting block 20 towards the third connecting block 30, and bringing the second connecting block 20 and the third connecting block 30 into close contact, ensuring effective cooperation between the first limiting protrusion 742 and the second connecting shaft 50 and the limiting groove 52.

[0059] Example 4

[0060] Please refer to Figure 10 and Figure 11The difference between Embodiment 4 and Embodiment 1 is that the limiting hole 80 and the limiting device 70 are disposed on the second connecting block 20, and the first connecting shaft 40 and the second connecting shaft 50 are combined into a third connecting shaft 45. Specifically, Embodiment 4 discloses a watch strap 1000, including at least two watch strap units 100, each watch strap unit 100 being connected in sequence, and each watch strap unit 100 including a first connecting block 10, a second connecting block 20, a third connecting block 30, a third connecting shaft 45, a positioning shaft 60, and a limiting device 70;

[0061] The third connecting block 30 is provided with a first through hole 32 and a second through hole 34, and the first through hole 32 and the second through hole 34 are parallel to each other.

[0062] In the same watch strap unit 100, the first connecting block 10 and the second connecting block 20 are respectively located on opposite sides of the third connecting block 30, and the positioning shaft 60 is connected between the first connecting block 10 and the second connecting block 20. In any two adjacent watch strap units 100, the positioning shaft 60 of one watch strap unit 100 passes through the first through hole 32 of the other watch strap unit 100.

[0063] The second connecting block 20 is provided with a second connecting hole 24 and a limiting hole 80. The limiting hole 80 and the second connecting hole 24 are connected. One end of the third connecting shaft 45 is connected to the first connecting block 10. The other end of the third connecting shaft 45 is detachably connected to the second connecting block 20 through the second connecting hole 24. The other end of the third connecting shaft 45 is provided with a limiting groove 52. The limiting device 70 is provided in the limiting hole 80 and can cooperate with the limiting groove 52 to lock the third connecting shaft 45 and the second connecting block 20.

[0064] Example 5

[0065] Please refer to the above as well. Figure 12 and Figure 13 The difference between Embodiment 5 and Embodiment 1 is that the first connecting block 10, the first connecting shaft 40, and the third connecting block 30 are integrally formed into a single fourth connecting block 101. It can be understood that since the fourth connecting block 101 is formed by merging the first connecting block 10, the first connecting shaft 40, and the third connecting block 30, in some embodiments, the first connecting shaft 40 can be omitted, and the first connecting block 10 and the third connecting block 30 can be directly merged to form the fourth connecting block 101. This implementation should also be included within the scope of protection of this embodiment.

[0066] Example 6

[0067] Please refer to the above as well. Figure 14The difference between Embodiment 6 and Embodiment 2 is that the first connecting block 10, the first connecting shaft 40, and the third connecting block 30 are integrally formed into a single fourth connecting block 101. It can be understood that since the fourth connecting block 101 is formed by merging the first connecting block 10, the first connecting shaft 40, and the third connecting block 30, in some embodiments, the first connecting shaft 40 can be omitted, and the first connecting block 10 and the third connecting block 30 can be directly merged to form the fourth connecting block 101. This implementation should also be included within the scope of protection of this embodiment.

[0068] Example 7

[0069] Please refer to the above as well. Figure 15 The difference between Embodiment 7 and Embodiment 3 is that the first connecting block 10, the first connecting shaft 40, and the third connecting block 30 are integrally formed into a single fourth connecting block 101. It can be understood that since the fourth connecting block 101 is formed by merging the first connecting block 10, the first connecting shaft 40, and the third connecting block 30, in some embodiments, the first connecting shaft 40 can be omitted, and the first connecting block 10 and the third connecting block 30 can be directly merged to form the fourth connecting block 101. This implementation should also be included within the scope of protection of this embodiment.

[0070] Example 8

[0071] Please refer to the above as well. Figure 16 The difference between Embodiment 8 and Embodiment 4 is that the first connecting block 10, the first connecting shaft 40, and the third connecting block 30 are integrally formed into a single fourth connecting block 101. It can be understood that since the fourth connecting block 101 is formed by merging the first connecting block 10, the first connecting shaft 40, and the third connecting block 30, in some embodiments, the first connecting shaft 40 can be omitted, and the first connecting block 10 and the third connecting block 30 can be directly merged to form the fourth connecting block 101. This implementation should also be included within the scope of protection of this embodiment.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; under the concept of this utility model, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of this utility model as described above, which are not provided in detail for the sake of brevity; although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in each of the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of each embodiment of this utility model.

Claims

1. A watch strap, characterized in that, It includes at least two watch strap units, which are connected in sequence. Each watch strap unit includes a first connecting block, a second connecting block, a third connecting block, a first connecting shaft, a second connecting shaft, a positioning shaft, and a limiting device. The third connecting block is provided with a first through hole, a second through hole and a limiting hole, the first through hole and the second through hole are parallel to each other, and the limiting hole and the second through hole are connected. In the same watch band unit, the first connecting block and the second connecting block are respectively located on opposite sides of the third connecting block. The positioning shaft is connected between the first connecting block and the second connecting block. The first connecting shaft is connected between the first connecting block and the third connecting block, and one end of the first connecting shaft is connected to the second through hole. The second connecting shaft is connected between the second connecting block and the third connecting block, and one end of the second connecting shaft is connected to the second through hole. In any two adjacent watch band units, the positioning shaft of one watch band unit passes through the first through hole of the other watch band unit. The second connecting shaft has a limiting groove at one end away from the second connecting block. The limiting device is located in the limiting hole and can cooperate with the limiting groove to lock the second connecting shaft and the third connecting block.

2. The watch strap according to claim 1, characterized in that, The limiting device includes a first elastic element and a spring seat. The spring seat is at least partially located in the limiting hole. The first elastic element abuts against the bottom wall of the limiting hole and the spring seat. The spring seat is provided with a first limiting protrusion that cooperates with the limiting groove. The limiting hole is provided with a first limiting stop that can block the first limiting protrusion. The limiting device also includes a button fixing member, which is located on the side of the spring seat away from the first elastic element.

3. The watch strap according to claim 1, characterized in that, The first connecting block, the first connecting shaft, and the third connecting block are integrally formed.

4. The watch strap according to claim 1, characterized in that, The limiting groove is provided along the axial surface of the second connecting shaft to form an annular limiting groove.

5. The watch strap according to claim 1, characterized in that, The first connecting block has a first positioning hole and a first connecting hole on the same side, and the second connecting block has a second positioning hole and a second connecting hole on the same side. In the same watch strap unit, one end of the positioning shaft is fixedly connected to the first positioning hole and the first connecting block, and the other end of the positioning shaft is detachably connected to the second positioning hole and the second connecting block. One end of the first connecting shaft is fixedly connected to the first connecting block through the first connecting hole, and the other end of the first connecting shaft passes through one end of the second through hole. One end of the second connecting shaft is detachably connected to the second connecting block through the second connecting hole, and the other end of the second connecting shaft passes through the other end of the second through hole.

6. The watch strap according to claim 5, characterized in that, One end of the positioning shaft, both ends of the first connecting shaft, and one end of the second connecting shaft are respectively provided with anti-slip textures. One end of the positioning shaft forms a first interference fit with the inner wall of the first positioning hole through the anti-slip texture. One end of the first connecting shaft forms a second interference fit with the inner wall of the first connecting hole through the anti-slip texture. The other end of the first connecting shaft forms a third interference fit with the inner wall of one end of the second through hole through the anti-slip texture. One end of the second connecting shaft forms a fourth interference fit with the inner wall of the second connecting hole through the anti-slip texture.

7. The watch strap according to claim 1, characterized in that, A second limiting stop is provided at one end of the second through hole near the second connecting block, and a second limiting protrusion is provided at the other end of the second connecting shaft to cooperate with the second limiting stop, so as to prevent the second connecting shaft from disengaging from the second through hole.

8. The watch strap according to claim 7, characterized in that, The watch strap unit further includes a second elastic element, which abuts against the second limiting stop and the second limiting protrusion.

9. A watch strap, characterized in that, It includes at least two watch strap units, which are connected in sequence. Each watch strap unit includes a first connecting block, a second connecting block, a third connecting block, a third connecting shaft, a positioning shaft, and a limiting device. The third connecting block is provided with a first through hole and a second through hole, and the first through hole and the second through hole are parallel to each other; In the same watch band unit, the first connecting block and the second connecting block are respectively located on opposite sides of the third connecting block, and the positioning shaft is connected between the first connecting block and the second connecting block. In any two adjacent watch band units, the positioning shaft of one watch band unit passes through the first through hole of the other watch band unit. The second connecting block is provided with a second connecting hole and a limiting hole. The limiting hole and the second connecting hole are connected. One end of the third connecting shaft is connected to the first connecting block. The third connecting shaft passes through the second through hole. The other end of the third connecting shaft is detachably connected to the second connecting block through the second connecting hole. The other end of the third connecting shaft is provided with a limiting groove. The limiting device is provided in the limiting hole and can cooperate with the limiting groove to lock the third connecting shaft and the second connecting block.

10. A wristwatch, characterized in that, Includes the watch strap as described in any one of claims 1 to 9.

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