CN217658466U - Winding drum type detachable mechanism applied to watch chain - Google Patents
Winding drum type detachable mechanism applied to watch chain Download PDFInfo
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- CN217658466U CN217658466U CN202220812554.1U CN202220812554U CN217658466U CN 217658466 U CN217658466 U CN 217658466U CN 202220812554 U CN202220812554 U CN 202220812554U CN 217658466 U CN217658466 U CN 217658466U
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- connecting shaft
- chain block
- adjustable
- watch
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Abstract
The utility model discloses a be applied to reel formula detachable mechanism of wrist-watch chain, the wrist-watch chain includes at least: a main chain comprising a plurality of first chain blocks; the two auxiliary chains are respectively arranged on two sides of the main chain, and each main chain comprises a plurality of second chain blocks; the detachable mechanism comprises an adjustable chain block, a second connecting shaft, a third connecting shaft and a rotating shaft sleeve, the second connecting shaft is sleeved on one of two adjacent first chain blocks, the third connecting shaft is sleeved on the other first chain block, one end of the adjustable chain block is sleeved on the first end of the third connecting shaft, the other end of the adjustable chain block is detachably matched with the first end of the third connecting shaft, and the rotating shaft sleeve is installed on the adjustable chain block and sleeved on the periphery of the third connecting shaft; the adjustable chain block is provided with an installation groove, and the rotating shaft sleeve is installed in the installation groove and is in interference fit with the groove wall of the installation groove; one or more second chain blocks of one of the auxiliary chains are adjustable chain blocks. This detachable mechanism simple structure, practical convenient and practicality are strong.
Description
Technical Field
The utility model relates to a wrist-watch field, in particular to be applied to reel formula detachable mechanism of wrist-watch chain.
Background
Watches are usually made of leather, rubber, plastic, stainless steel, etc. to form a bracelet, which is tied to the wrist to display the "head" of the watch.
The metal watch chain that materials such as current stainless steel made generally comprises a plurality of chain pieces concatenation in proper order, and the connected mode between chain piece and the chain piece generally adopts the connecting axle to articulate, and connects into and can't dismantle at will mostly behind the watch chain, when needs change chain piece or watch chain, the operation is very loaded down with trivial details, and the dismouting process is very complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be applied to reel formula detachable mechanism of wrist-watch chain can solve one of above-mentioned problem at least.
According to the utility model discloses an aspect provides a be applied to reel formula detachable mechanism of wrist-watch chain, and the wrist-watch chain includes at least:
the main chain comprises a plurality of first chain blocks which are sequentially arranged along the length direction;
the two auxiliary chains are respectively arranged on two sides of the main chain, each main chain comprises a plurality of second chain blocks which are sequentially arranged along the length direction, and two adjacent first chain blocks are respectively connected through one second chain block on two sides;
the detachable mechanism comprises an adjustable chain block, a second connecting shaft, a third connecting shaft and a rotating shaft sleeve, the second connecting shaft is sleeved on one of two adjacent first chain blocks, the third connecting shaft is sleeved on the other first chain block, one end of the adjustable chain block is sleeved on the first end of the second connecting shaft, the other end of the adjustable chain block is detachably matched with the first end of the third connecting shaft, and the rotating shaft sleeve is installed on the adjustable chain block and sleeved on the periphery of the second connecting shaft;
the adjustable chain block is provided with an installation groove, and the rotating shaft sleeve is installed in the installation groove and is in interference fit with the groove wall of the installation groove;
one or more second chain blocks of one auxiliary chain are adjustable chain blocks.
Therefore, the utility model provides a reel formula detachable mechanism of being applied to wrist-watch chain of brand-new structure, the theory of operation of this mechanism is: when the first chain block of main chain needs to be changed, only need rotate the adjustable chain block that this first chain block corresponds, concrete operation is: the adjustable chain block is pressed downwards, so that the adjustable chain block rotates by taking the second connecting shaft as a center, the adjustable chain block is separated from the third connecting shaft, at the moment, the adjustable chain block cannot limit the first chain block provided with the third connecting shaft, the first chain block can be directly taken out for replacement or maintenance, and after the new first chain block is installed again, the adjustable chain block only needs to be reset.
The utility model discloses a detachable mechanism simple structure, practical convenient and practicality are strong.
In some embodiments, the first link block is provided at both ends thereof with first connecting shafts, and the second link blocks located at both sides of the first link block are respectively sleeved at both ends of the first connecting shafts. Therefore, the first chain block and the second chain block can be hinged.
In some embodiments, the two end portions of the first connecting shaft are provided with first knurls, and the inner side surfaces of the corresponding second chain blocks are provided with first connecting holes in interference fit with the first knurls.
In some embodiments, two ends of the second chain block, which is located on the other pair of chains and corresponds to the adjustable chain block, are respectively sleeved on the second ends of the second connecting shaft and the third connecting shaft.
In some embodiments, a second end of the second connecting shaft is provided with a second knurl, and a second connecting hole in interference fit with the second knurl is formed in the inner side surface of the corresponding second chain block.
In some embodiments, a second end of the third connecting shaft is provided with a third knurl, and a third connecting hole in interference fit with the third knurl is formed in the inner side surface of the corresponding second chain block.
In some embodiments, the inner side wall of the adjustable chain block is provided with a limiting groove for allowing the first end of the third connecting shaft to slide, and the first end of the third connecting shaft can be clamped into the bottom of the limiting groove. Therefore, under the action of no external force, the first limiting groove can limit and lock the third connecting shaft, and the third connecting shaft is prevented from falling off.
In some embodiments, a cylindrical limiting part is sleeved on the outer periphery of the first end of the third connecting shaft, a clamping edge is arranged at the front end of the limiting groove, and the cylindrical limiting part is in limiting fit with the clamping edge. Therefore, the slippage of the adjustable chain block in the use state can be effectively avoided.
In some embodiments, the center of the rotating shaft sleeve is provided with an opening matched with the second connecting shaft. Therefore, the rotating part is convenient to be sleeved on the second connecting shaft.
The utility model has the advantages that:
the utility model provides a reel formula detachable mechanism of being applied to wrist-watch chain of brand-new structure, the theory of operation of this mechanism is: when the first chain block of main chain needs to be changed, only need rotate the adjustable chain block that this first chain block corresponds, concrete operation is: the adjustable chain block is pressed downwards, so that the adjustable chain block rotates by taking the second connecting shaft as a center, the adjustable chain block is separated from the third connecting shaft, at the moment, the adjustable chain block cannot limit the first chain block provided with the third connecting shaft, the first chain block can be directly taken out for replacement or maintenance, and after the new first chain block is installed again, the adjustable chain block only needs to be reset.
The utility model discloses a detachable mechanism simple structure, practical convenient and practicality are strong.
Drawings
Fig. 1 is a schematic perspective view of a reel type detachable mechanism applied to a watch chain according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the roll release mechanism of FIG. 1 applied to a watch chain;
FIG. 3 is a perspective view of the reel release mechanism of FIG. 1 in another state as applied to a watch bracelet;
FIG. 4 is a schematic top view of the reel release mechanism applied to the watch chain of FIG. 3;
FIG. 5 is a schematic exploded view of the reel release mechanism of FIG. 1 applied to a watch bracelet;
fig. 6 is a front view of the adjustable chain block of the reel release mechanism applied to the watch bracelet of fig. 5.
Reference numbers in fig. 1 to 6: 1-a main chain; 2-auxiliary chain; 3-a detachable mechanism; 4-a first connecting shaft; 11-a first chain block; 21-a second chain block; 31-adjustable chain blocks; 32-a second connecting shaft; 33-a third connecting shaft; 34-a rotating shaft sleeve; 41-first knurl; 211 — a first connection hole; 311-a limiting groove; 312-a mounting groove; 313-a second limit groove; 321-second knurl; 322-a cylindrical limit piece; 331-third knurl; 332-cylindrical limit piece; 340-opening holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 6 schematically show a reel type detachable mechanism applied to a watch chain according to an embodiment of the present invention.
As shown in fig. 1 to 6, the wristwatch chain of the present embodiment includes at least:
the main chain 1 comprises a plurality of first chain blocks 11 which are sequentially arranged along the length direction;
the two auxiliary chains 2 are respectively arranged on two sides of the main chain 1, each main chain 1 comprises a plurality of second chain blocks 21 which are sequentially arranged along the length direction, and two adjacent first chain blocks 11 are respectively connected through one second chain block 21 on two sides;
the reel type detachable mechanism 3 applied to the watch chain comprises an adjustable chain block 31, a second connecting shaft 32, a third connecting shaft 33 and a rotating shaft sleeve 34, wherein the second connecting shaft 32 is sleeved on one of two adjacent first chain blocks 11, the third connecting shaft 33 is sleeved on the other first chain block 11, one end of the adjustable chain block 31 is sleeved on the first end of the second connecting shaft 32, the other end of the adjustable chain block is detachably matched with the first end of the third connecting shaft 33, and the rotating shaft sleeve 34 is installed on the adjustable chain block 31 and sleeved on the periphery of the second connecting shaft 32; the rotating shaft sleeve 34 of the present embodiment is a plastic member, the second connecting shaft 32 is a metal shaft, and a damping force can be formed between the rotating shaft sleeve 34 and the second connecting shaft 32, so as to prevent the rotating shaft sleeve 34 from slipping along the axial direction of the second connecting shaft 32.
The adjustable chain block 31 is provided with a mounting groove 312, and the rotary shaft sleeve 34 is mounted in the mounting groove 312 and in interference fit with the wall of the mounting groove 312.
The utility model discloses a rotation axle sleeve 34 is cylindric, simple structure, and the aesthetic property is good.
One or more second chain blocks 21 of one of the secondary chains 2 is an adjustable chain block 31.
The present embodiment will be described by taking as an example the main chain 1 including 3 first blocks 11 and the sub-chain 2 including 2 second blocks 21:
one second link 21 of the front end sub-chain 2 in the present embodiment is an adjustable link 31.
The two ends of the first chain block 11 are provided with first connecting shafts 4, and the second chain blocks 21 located at the two sides of the first chain block 11 are respectively sleeved on the two ends of the first connecting shafts 4. Thereby, the first chain block 11 and the second chain block 21 can be hinged.
The two end portions of the first connecting shaft 4 are provided with first knurls 41, and the inner side surfaces of the corresponding second chain blocks 21 are provided with first connecting holes 211 which are in interference fit with the first knurls 41.
Two ends of the second chain block 21 corresponding to the adjustable chain block 31 and located on the other pair of chains 2 are respectively sleeved on second ends of the second connecting shaft 32 and the third connecting shaft 33.
A second knurl 321 is disposed at a second end of the second connecting shaft 32, and a second connecting hole in interference fit with the second knurl 321 is disposed on an inner side surface of the corresponding second chain block 21.
A third knurl 331 is disposed at a second end of the third connecting shaft 33, and a third connecting hole in interference fit with the third knurl 331 is disposed on an inner side surface of the corresponding second chain block 21.
The second knurls 321 and the third knurls 331 of the present embodiment have the same shape and size as the first knurls 41, and the second connection hole and the third connection hole have the same shape and size as the first connection hole 211. Through the interference fit of the knurls, the fixing effect is achieved, and the phenomenon of looseness is avoided. Meanwhile, in the process of disassembly and assembly, the operation is simple and easy.
The inner side wall of the adjustable chain block 31 is provided with a limiting groove 311 for the first end of the third connecting shaft 33 to slide, and the first end of the third connecting shaft 33 can be clamped into the bottom of the limiting groove 311. Therefore, under the action of no external force, the limiting groove 311 can limit and lock the third connecting shaft 33, and the third connecting shaft is prevented from falling off.
A cylindrical limiting member 332 is sleeved on the periphery of the first end of the third connecting shaft 33, a clamping edge is arranged at the front end of the limiting groove 311, and the cylindrical limiting member 332 is in limiting fit with the clamping edge. Thereby, slippage of the adjustable chain block 31 in the use state can be effectively avoided.
The center of the rotating sleeve 34 is opened with an opening 340 matched with the second connecting shaft 32. Thereby, the fitting of the rotation sleeve 34 to the second connecting shaft 32 is facilitated.
The utility model provides a reel formula detachable mechanism 3 of being applied to wrist-watch chain of brand-new structure, the theory of operation of this mechanism is: when the first chain block 11 of the main chain 1 needs to be replaced, only the adjustable chain block 31 corresponding to the first chain block 11 needs to be rotated, and the specific operations are as follows: the adjustable chain block 31 is pressed downwards, so that the adjustable chain block 31 rotates by taking the second connecting shaft 32 as a center, the adjustable chain block 31 is separated from the third connecting shaft 33, at the moment, the adjustable chain block 31 cannot limit the first chain block 11 provided with the third connecting shaft 33 any more, the first chain block 11 can be directly taken out for replacement or maintenance, and after the new first chain block 11 is installed again, the adjustable chain block 31 only needs to be reset.
The utility model discloses a detachable mechanism 3 simple structure, practical convenient and practicality are strong.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. A reel-type detachable mechanism for a watch bracelet, said watch bracelet comprising at least:
a main chain (1) comprising a plurality of first chain blocks (11) arranged in sequence along the length direction;
the two auxiliary chains (2) are respectively arranged on two sides of the main chain (1), each main chain (1) comprises a plurality of second chain blocks (21) which are sequentially arranged along the length direction, and two adjacent first chain blocks (11) are respectively connected through the second chain blocks (21) on the two sides;
the detachable mechanism (3) is characterized by comprising adjustable chain blocks (31), a second connecting shaft (32), a third connecting shaft (33) and a rotating shaft sleeve (34), wherein the second connecting shaft (32) is sleeved on one of the two adjacent first chain blocks (11), the third connecting shaft (33) is sleeved on the other first chain block (11), one end of each adjustable chain block (31) is sleeved on the first end of the second connecting shaft (32), the other end of each adjustable chain block is detachably matched with the first end of the third connecting shaft (33), and the rotating shaft sleeve (34) is installed on each adjustable chain block (31) and sleeved on the periphery of the second connecting shaft (32);
an installation groove (312) is formed in the adjustable chain block (31), and the rotary shaft sleeve (34) is installed in the installation groove (312) and is in interference fit with the groove wall of the installation groove (312);
one or more second chain blocks (21) of one of the secondary chains (2) is the adjustable chain block (31).
2. Reel-type detachable mechanism applied to a watch bracelet according to claim 1, characterized in that said first link block (11) is provided at both ends with a first connecting shaft (4), and said second link blocks (21) located on both sides of said first link block (11) are respectively fitted around both ends of said first connecting shaft (4).
3. The winding drum type detachable mechanism applied to the watch chain according to claim 2, wherein the first connecting shaft (4) is provided with first knurls (41) at two ends, and the corresponding second chain block (21) is provided with a first connecting hole (211) in interference fit with the first knurls (41) at the inner side surface.
4. The reel-type removable mechanism applied to the watch bracelet of claim 1, characterized in that the two ends of the second link (21) corresponding to the adjustable links (31) of the other pair of chains (2) are respectively sleeved on the second ends of a second connecting shaft (32) and a third connecting shaft (33).
5. The winding drum type detachable mechanism applied to the watch chain according to claim 4, wherein the second end of the second connecting shaft (32) is provided with a second knurl (321), and the inner side surface of the corresponding second chain block (21) is provided with a second connecting hole which is in interference fit with the second knurl (321).
6. The winding drum type detachable mechanism applied to the watch chain according to any one of claims 1 to 5, wherein a second end of the third connecting shaft (33) is provided with a third knurl (331), and a corresponding third connecting hole which is in interference fit with the third knurl (331) is formed on the inner side surface of the second chain block (21).
7. The winding drum type detachable mechanism applied to watch chains according to claim 6, wherein the inner side wall of the adjustable chain block (31) is provided with a limiting groove (311) for the first end of the third connecting shaft (33) to slide, and the first end of the third connecting shaft (33) can be clamped into the bottom of the limiting groove (311).
8. The reel-type detachable mechanism applied to a watch chain according to claim 7, wherein a cylindrical limiting member (332) is sleeved on the outer periphery of the first end of the third connecting shaft (33), a clamping edge is arranged at the front end of the limiting groove (311), and the cylindrical limiting member (332) is in limiting fit with the clamping edge.
9. The reel-type removable mechanism, applied to the bracelet of a wristwatch, according to any of claims 1 to 5, characterized in that the centre of the rotating sleeve (34) is provided with an opening (340) cooperating with the second connecting shaft (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812554.1U CN217658466U (en) | 2022-04-07 | 2022-04-07 | Winding drum type detachable mechanism applied to watch chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812554.1U CN217658466U (en) | 2022-04-07 | 2022-04-07 | Winding drum type detachable mechanism applied to watch chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217658466U true CN217658466U (en) | 2022-10-28 |
Family
ID=83733418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220812554.1U Active CN217658466U (en) | 2022-04-07 | 2022-04-07 | Winding drum type detachable mechanism applied to watch chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217658466U (en) |
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2022
- 2022-04-07 CN CN202220812554.1U patent/CN217658466U/en active Active
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