Limiting device of movement

Abstract

The utility model relates to the technical field of clock movements, in particular to a movement limiting device which comprises a movement bottom cover, an alarm tooth is rotatably connected in the movement bottom cover, and a shifting ring is sleeved on the surface of the alarm tooth. A limiting mechanism is arranged between the dial ring and the movement bottom cover, the limiting mechanism is used for limiting the dial ring and can realize a one-minute or one-hour alarm clock control function, the limiting mechanism is composed of an arc-shaped groove, a reset through groove, a limiting rod and a positioning bulge, and the arc-shaped groove is formed in the surface of the movement bottom cover. According to the utility model, through the arrangement of the limiting mechanism, when the dial ring is driven to move by the alarm teeth, the positioning bulge on the surface of the dial ring can rotate along the arc-shaped groove and is blocked when rotating to the limiting rod, the limiting function is realized through the blocking of the positioning bulge and the limiting rod, and the movement is limited to only rotate for one circle; and one-minute or one-hour alarm control can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to horological movement technical field, concretely is a kind of movement's limiting device. BACKGROUND

[0002] Clock is a kind of precision instrument of time measurement and indication, the application range of clock is very wide, variety is much, can be classified according to vibration principle, structure and use characteristics, and clock movement is the most important accessory in clock.

[0003] The existing clock movement is little to set limiting work when using, thus cannot realize the alarm clock control function of a minute or an hour, to bring great trouble to people's use, so a kind of movement's limiting device is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of movement's limiting device to solve the problem that the existing clock movement is little to set limiting work in the above background art, cannot realize the alarm clock control function of a minute or an hour.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of movement's limiting device, including movement bottom cover, the inside rotation of movement bottom cover is connected with alarm gear, and the surface of alarm gear is equipped with dial ring;Limiting mechanism is arranged between the dial ring and movement bottom cover, and the limiting mechanism is used for the limiting work of dial ring, can realize the alarm clock control function of a minute or an hour, the limiting mechanism is by arc slot, reset slot, limiting rod and positioning protrusion, the arc slot is opened in the surface of movement bottom cover, and the center of arc slot coincides with the center of alarm gear and dial ring.

[0006] Preferably, the surface of alarm gear is equipped with alarm gear slot, the surface of dial ring is equipped with dial ring slot, and dial ring slot and alarm gear slot coincide with each other.

[0007] Preferably, the surface of movement bottom cover is equipped with reset slot, and reset slot and one end of arc slot are interconnected.

[0008] Preferably, the inner wall of reset slot is provided with limiting rod, and limiting rod and movement bottom cover are integrally injection molded.

[0009] Preferably, the surface of dial ring is integrally injection molded with positioning protrusion, and positioning protrusion is located in the inside of arc slot, and the positioning protrusion is mutually blocked with limiting rod when rotating a circle to realize limiting.

[0010] Compared with the prior art, the machine core limiting device has the advantages that: the limiting mechanism is arranged on the limiting device of the machine core, the positioning protrusion on the surface of the dial ring rotates along the arc-shaped groove when the dial ring is driven by the alarm gear to move, and the rotation is blocked at the limiting rod, the limiting effect is realized by the blocking of the positioning protrusion and the limiting rod, the machine core can only rotate one circle, and the alarm clock control of one minute or one hour can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional appearance structure schematic view of the utility model;

[0012] Figure 2 It is an explosion structure schematic view of the utility model;

[0013] Figure 3 It is a machine core bottom cover enlarged structure schematic view of the utility model;

[0014] Figure 4 It is a rear view enlarged structure schematic view of the utility model.

[0015] In the drawing: 1, machine core bottom cover; 2, limiting mechanism; 21, arc-shaped groove; 22, reset through groove; 23, limiting rod; 24, positioning protrusion; 3, alarm gear; 31, alarm gear slot; 4, dial ring; 41, dial ring slot. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0017] The structure of the limiting device of the machine core provided by the utility model is shown as Figure 1 and Figure 2 The machine core bottom cover 1 is internally rotationally connected with the alarm gear 3, the alarm gear 3 is sleeved with the dial ring 4, the surface of the alarm gear 3 is provided with the alarm gear slot 31, the surface of the dial ring 4 is provided with the dial ring slot 41, and the dial ring slot 41 and the alarm gear slot 31 are mutually coincided; the limiting mechanism 2 is arranged between the dial ring 4 and the machine core bottom cover 1, the limiting mechanism 2 is used for limiting the dial ring 4, can realize the alarm clock control function of one minute or one hour, and the limiting mechanism 2 is composed of the arc-shaped groove 21, the reset through groove 22, the limiting rod 23 and the positioning protrusion 24.

[0018] When the alarm gear 3 drives the dial ring 4 to move, the positioning protrusion 24 on the surface of the dial ring 4 rotates along the arc-shaped groove 21 and is blocked at the limiting rod 23.

[0019] Further, as shown in Figure 3 and Figure 4As shown, the arc-shaped groove 21 is arranged on the surface of the movement bottom cover 1, and the center of the arc-shaped groove 21 coincides with the center of the alarm tooth 3 and the dial 4, the surface of the movement bottom cover 1 is provided with a reset through groove 22, and the reset through groove 22 and one end of the arc-shaped groove 21 are communicated with each other, the inner wall of the reset through groove 22 is provided with a limiting rod 23, and the limiting rod 23 is integrally injection molded with the movement bottom cover 1, the surface of the dial 4 is integrally injection molded with a positioning protrusion 24, and the positioning protrusion 24 is located in the arc-shaped groove 21, and the positioning protrusion 24 is blocked by the limiting rod 23 when rotating one circle to realize limiting.

[0020] The utility model discloses a positioning protrusion 24 and the limiting of limiting rod 23 realize the limiting effect, limit movement only to rotate one circle, can realize one minute or one hour alarm control.

[0021] Working principle: when using, the alarm tooth 3 drives the dial 4 to move, and the positioning protrusion 24 on the surface of the dial 4 rotates along the arc-shaped groove 21, and is blocked at the limiting rod 23, the utility model discloses a positioning protrusion 24 and the limiting of limiting rod 23 realize the limiting effect, limit movement only to rotate one circle, can realize one minute or one hour alarm control.

[0022] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model.

Claims

1. A limiting device for a movement, comprising a movement base (1), characterized in that: The inside of the movement bottom cover (1) is rotationally connected with the alarm tooth (3), and the surface of the alarm tooth (3) is sleeved with the dial ring (4); the limit mechanism (2) is arranged between the dial ring (4) and the movement bottom cover (1), which is used for limiting the dial ring (4), and can realize the alarm clock control function of one minute or one hour, the limit mechanism (2) is composed of the arc-shaped groove (21), the reset through groove (22), the limiting rod (23) and the positioning protrusion (24), the arc-shaped groove (21) is arranged on the surface of the movement bottom cover (1), and the center of the arc-shaped groove (21) coincides with the center of the alarm tooth (3) and the dial ring (4).

2. A limiting device for a movement according to claim 1, characterized in that: The surface of the alarm tooth (3) is provided with the alarm tooth groove (31), the surface of the dial ring (4) is provided with the dial ring groove (41), and the dial ring groove (41) and the alarm tooth groove (31) coincide with each other.

3. The limiting device of a movement according to claim 1, characterized in that: The surface of the movement bottom cover (1) is provided with the reset through groove (22), and one end of the reset through groove (22) and the arc-shaped groove (21) are in communication with each other.

4. The limiting device of a movement according to claim 1, characterized in that: The inner wall of the reset through groove (22) is provided with the limiting rod (23), and the limiting rod (23) is integrally injection molded with the movement bottom cover (1).

5. The limiting device of a movement according to claim 1, characterized in that: The surface of the dial ring (4) is integrally injection molded with the positioning protrusion (24), and the positioning protrusion (24) is located in the inside of the arc-shaped groove (21), and the positioning protrusion (24) is blocked with the limiting rod (23) when rotating one circle to realize the limiting.

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