CN218525004U - Miniature chain timing device and watch - Google Patents
Miniature chain timing device and watch Download PDFInfo
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- CN218525004U CN218525004U CN202221881156.1U CN202221881156U CN218525004U CN 218525004 U CN218525004 U CN 218525004U CN 202221881156 U CN202221881156 U CN 202221881156U CN 218525004 U CN218525004 U CN 218525004U
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- 230000009286 beneficial effect Effects 0.000 abstract 1
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- 238000005034 decoration Methods 0.000 description 1
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Abstract
The utility model relates to a wrist-watch field especially relates to a miniature chain timing device and wrist-watch. A miniature chain timing device comprises a chain, scale numbers, a first chain wheel, a second chain wheel, a chain wheel shaft and a scale indicating dial; the chain is fixedly connected with scale numbers; the first chain wheel is a driving wheel and drives the chain to move, the second chain wheel is a driven wheel, and the first chain wheel and the second chain wheel are both meshed with the chain; the chain wheel shaft drives the first chain wheel to rotate, and the chain wheel shaft is connected with the machine core; the scale indicating dial is fixed on the fixed disk. The beneficial effects of the utility model are that: the chain transmission time indicating mechanism has novel structure and high transmission efficiency; increase the spring between sprocket base and fixed disk, can finely tune the position of the relative chain of second sprocket to the tensile force between the adjustment chain improves the long-time work flagging phenomenon of chain, under the condition that need not to change the part, guarantees chain drive's reliability and stability.
Description
Technical Field
The utility model relates to a wrist-watch field especially relates to a miniature chain timing device and wrist-watch.
Background
The mechanical watch has the main function of reading time in the past, and in the movement structure of the mechanical watch, the time indication part of the watch mainly adopts an indication mode that three hands and two hands are coaxial or non-coaxial. Along with the development of social economy, the function of the watch is no longer just to meet the function of reading, more watch enthusiasts regard the watch as decoration or collect, the indicating modes of the watch are various, the watch looks more novel, and the ornamental value and the artistic value of the watch are increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the watch overcomes the defect that the traditional watch lacks of appreciation when the hour hand or minute hand is driven to do circular motion by gear transmission for reading. Based on the technical problem, the utility model aims at designing a miniature chain timing device. Based on this purpose, the utility model discloses a technical scheme as follows:
a miniature chain timing device comprises a chain, scale numbers, a first chain wheel, a second chain wheel, a chain wheel shaft and a scale indicating dial; the chain is fixedly connected with scale numbers; the first chain wheel is a driving wheel and drives a chain to move, the second chain wheel is a driven wheel, and the first chain wheel and the second chain wheel are both meshed with the chain; the chain wheel shaft drives the first chain wheel to rotate, and the chain wheel shaft is connected with the machine core; the scale indicating disc is fixed on the fixed disc.
Furthermore, the first chain wheel is connected to the chain wheel shaft through a screw, and a chain wheel cover is fixedly connected to the upper portion of the first chain wheel.
Furthermore, a chain wheel base is placed on the fixed disc, a bearing is fixed on the chain wheel base through a screw, and the bearing is arranged between the second chain wheel and the screw.
Furthermore, a spring is arranged between the chain wheel base and the fixed disc.
Furthermore, a chain wheel cover is fixedly connected above the second chain wheel.
Further, the scale numbers are 12 individual number plates from 1 to 12, which are uniformly arranged along the chain.
Further, each individual digital piece is secured between a clamping piece of the chain and the jewel bearing.
Furthermore, the scale indicating disc is of a circular ring structure and is fixed on the fixed disc through a connecting column.
Furthermore, the scale indicating dial is provided with an indicating mark.
Another object of the utility model is to provide a wrist-watch. A watch comprises the miniature chain timing device.
The utility model has the advantages that: the chain transmission time indicating mechanism has novel structure and high transmission efficiency; increase the spring between sprocket base and fixed disk, can finely tune the position of the relative chain of second sprocket to the tensile force between the adjustment chain improves the long-time work flagging phenomenon of chain, under the condition that need not to change the part, guarantees chain drive's reliability and stability.
Drawings
FIG. 1 is an exploded view of the miniature chain timing device of the present invention;
FIG. 2 is an assembly view of the miniature chain timing device of the present invention;
FIG. 3 is a front view of the miniature chain timing device of the present invention;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged exploded view at C of FIG. 3;
in the figure, 1-chain, 11-clamping piece, 12-jewel bearing, 13-connecting shaft, 14-connecting shaft seat, 2-scale number, 3-first chain wheel, 31-chain wheel cover, 4-second chain wheel, 41-chain wheel base, 5-chain wheel shaft, 6-scale indicating disc, 61-indicating mark, 7-fixed disc, 71-connecting column, 8-bearing, 9-spring and 10-screw.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Example 1
As shown in fig. 1 to 5, a miniature chain timing device comprises a chain 1, scale numbers 2, a first chain wheel 3, a second chain wheel 4, a chain wheel shaft 5 and a scale indicating dial 6; the chain 1 is fixedly connected with scale numbers 2; the first chain wheel 3 is a driving wheel and drives the chain 1 to move along the track of the driving wheel, the second chain wheel 4 is a driven wheel, and the first chain wheel 3 and the second chain wheel 4 are both meshed with the chain 1; the chain wheel shaft 5 drives the first chain wheel 3 to rotate, the chain wheel shaft 5 is connected with the machine core, and power is obtained from the machine core; the scale indicating plate 6 is fixed on the fixed plate 7. Chain 1 rotates, drives the scale number motion of connecting on chain 1, and scale indicating dial 6 is then fixed, through scale indicating dial 6 and the cooperation indication time of scale number 2.
Specifically, the first sprocket 3 is fixedly connected to the sprocket shaft 5 through a screw 10, a sprocket cover 31 is fixedly connected above the first sprocket 3, and the sprocket cover 31 and the first sprocket 3 can be connected through a screw or a hook.
Specifically, a chain wheel base 41 is placed on the fixed disc 7, a bearing 8 is fixed on the chain wheel base 41 through a screw 10, the screw 10 penetrates through the bearing 8, a nut of the screw 10 is pressed on an inner ring of the bearing 8, the lower end of the second chain wheel 4 is connected with an outer ring of the bearing 8, and the bearing is arranged between the second chain wheel 4 and the screw 10.
Specifically, a spring 9 is provided between the sprocket base 41 and the fixed disk 7. The sprocket base 41 provides a mounting base for the bearing 8, which is placed in the accommodating groove on the fixed disk 7, and for the convenience of fine adjustment of the position of the sprocket base 41, thereby adjusting the tension of the chain, the sprocket base 41 is provided with a spring 9 horizontally placed between the horizontal direction and the accommodating groove, and the direction of the spring 9 is the direction of the center line of the first sprocket 3 and the second sprocket 4.
Specifically, a sprocket cover 31 is also fixedly connected to the upper side of the second sprocket 4 by screws.
Specifically, the scale numerals 2 are 12 individual pieces of numerals from 1 to 12, which are uniformly arranged along the chain 1.
In particular, each individual digital plate is fixed between a clamping plate 11 and a jewel bearing 12 of the chain. A connecting shaft 13 of the chain sequentially passes through a clamping piece 11, a single digital piece, a jewel bearing and 3 clamping pieces and then is fixed in a connecting shaft seat 14.
Specifically, the scale indicating dial 6 is of a circular ring structure and is fixed on the fixed dial 7 through a connecting column 71. The scale indicating dial 6 is arranged in a suspended mode, a connecting column 71 is arranged between the scale indicating dial 6 and the fixed disk 7, and the scale indicating dial 6 is fixed on the connecting column 71 through screws.
Specifically, the scale indication plate 6 is provided with an indication mark 61, and the indication mark 61 is a triangle symbol or an arrow, a dot, or the like.
The screws of the present embodiment are not limited to screws of the same specification and model, and can be freely selected according to the locking position.
Example 2
A watch comprises the miniature chain timing device.
The utility model discloses a working process as follows:
the chain wheel shaft 5 obtains power from the machine core to rotate, and the first chain wheel 3 and the chain wheel shaft 5 move synchronously so as to drive the chain 1 to move along the track direction. The second chain wheel 4 is opposite to the first chain wheel in rotation direction under the action of friction force, the second chain wheel and the first chain wheel act together to drive the chain 1 to move, so that the scale numbers 2 fixedly connected to the chain 1 rotate, the scale indicating disc 6 is fixed, and the number of the corresponding position of the indicating mark 61 is the current hour.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the utility model is conventionally placed when in use, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.
Claims (10)
1. A miniature chain timing device which characterized in that: comprises a chain (1), scale numbers (2), a first chain wheel (3), a second chain wheel (4), a chain wheel shaft (5) and a scale indicating dial (6);
the chain (1) is fixedly connected with scale numbers (2);
the first chain wheel (3) is a driving wheel and drives the chain (1) to move, the second chain wheel (4) is a driven wheel, and the first chain wheel (3) and the second chain wheel (4) are both meshed with the chain (1);
the chain wheel shaft (5) drives the first chain wheel (3) to rotate, and the chain wheel shaft (5) is connected with the machine core; the scale indicating disc (6) is fixed on the fixed disc (7).
2. The miniature chain timing device of claim 1, wherein: first sprocket (3) pass through screw (10) and connect on sprocket shaft (5), first sprocket (3) top fixedly connected with sprocket cover (31).
3. The miniature chain timing device of claim 1, wherein: the chain wheel base (41) is placed on the fixed disc (7), the bearing (8) is fixed on the chain wheel base (41) through the screw (10), and the bearing is arranged between the second chain wheel (4) and the screw (10).
4. The miniature chain timing device of claim 3, wherein: and a spring (9) is arranged between the chain wheel base (41) and the fixed disk (7).
5. The miniature chain timing device of claim 3, wherein: and a chain wheel cover (31) is fixedly connected above the second chain wheel (4).
6. The miniature chain timing device of claim 1, wherein: the scale numbers (2) are 12 independent number sheets from 1 to 12, and are uniformly arranged along the chain (1).
7. The miniature chain timing device according to claim 6, wherein each individual digital plate is fixed between a clamping plate (11) and a jewel bearing (12) of the chain.
8. The miniature chain timing device according to claim 1, wherein said scale indicating dial (6) is a circular ring structure and is fixed on said fixed dial (7) by means of a connecting post (71).
9. The miniature chain timing device according to claim 8, wherein said graduated dial (6) is provided with indicating marks (61).
10. A watch comprising a miniature chain timing device according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221881156.1U CN218525004U (en) | 2022-07-20 | 2022-07-20 | Miniature chain timing device and watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221881156.1U CN218525004U (en) | 2022-07-20 | 2022-07-20 | Miniature chain timing device and watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525004U true CN218525004U (en) | 2023-02-24 |
Family
ID=85242253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221881156.1U Active CN218525004U (en) | 2022-07-20 | 2022-07-20 | Miniature chain timing device and watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525004U (en) |
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2022
- 2022-07-20 CN CN202221881156.1U patent/CN218525004U/en active Active
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