TW311994B - - Google Patents

Description

Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 311994 A7 ___B7 V. Description of the invention (1) The present invention relates to a timepiece with a rotating frame, which can be marked with the specified time on it. In particular, it relates to a timepiece including a case with a case band, a back cover, a watch vessel fixed to the case band, and a rotating outer frame of the above-mentioned type, which is guided to rotate on the back cover and the watch dish. Watches equipped with this rotating frame are usually used for deep-sea diving and allow the specified elapsed or remaining time. For this purpose or to avoid the negligence when using the rotating frame, the rotating frame works in conjunction with the ratchet mechanism. This component is located on the watch and / or back cover, allowing the rotating frame to rotate in one direction and maintaining the rotating frame At a predetermined angular position relative to the hands of the watch. Generally speaking, the ratchet mechanism consists of a cable spring and a catch that cooperates with the teeth of the rotating frame. The rotating outer frame is axially fixed to the back cover by a wire spring, wherein the spring penetrates the first groove on the cylindrical surface of the back cover and the second groove of the rotating outer frame facing the first groove. The back cover further includes two shoulders located on both sides of the second groove, and each shoulder is a corresponding shoulder that co-rotates the outer frame. In order to ensure the tightness of the ratchet mechanism system, the seal filler is individually filled between the shoulder of the back cover and the rotating outer frame. A watch case with this type of rotating outer frame assembly structure is disclosed in Patent CH 622 922 β. According to this document, the centering of the rotating outer frame of the back cover is formed by the first and second shoulders The clue of the recess was achieved with the help of the spring. However, for reasons of construction and implementation, this spring is provided with radiation clearance with respect to the shell band. This radiation clearance allows for permanent rotation movement from the geometric center of the rotating frame around the center of the shell band, which causes erroneous operation and gives this paper standard the Chinese National Standard (CNS) Λ4 specification (210Χ297 mm) " (Please read the precautions on the back and then fill out this page) Order A7 _____ B7 ^ _ printed by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs. V. Description of Invention (2) Impression of ordinary quality of watches. In addition, in order to make the sealing filler work as well as possible, in the series of mechanical operations of the shell and the rotating frame, different shoulders and grooves must be made so that the shoulders and grooves have very small tolerances from each other. A few percent of the range. However, this type of conventional manufacturing machine cannot have such manufacturing tolerances. In the conventional manufacturing technology, the rotating outer frame assembly structure causes the friction of the sealing filler of the shell band or the rotating outer frame to be too large, so it is difficult to manufacture the rotating outer frame, or the friction of the sealing filler is too small, which causes the designated position to be too weak Support, especially in case of steep earthquakes or similar situations. In the latter case, the effectiveness of the sealing filler is reduced. The use of the watch type means that it is usually used in the marine environment, where a large amount of solid impurities such as sand, these particles are easily embedded between the rotating outer frame and the watch dish, or between the rotating outer frame and the case band, and block The rotating motion of the rotating outer frame will more seriously damage the ratchet mechanism. The main object of the present invention is to provide a timepiece that includes a rotating outer frame and a ratchet mechanism and a member for fixing to the casing band, and includes an assembly structure of the rotating outer frame on the casing band, which allows the rotating outer frame and The case is effectively centered, and the rotating outer frame is provided with a substantially fixed rotation resistance moment. In addition, it can also be manufactured simply and economically through the conventional manufacturing technology to remedy the shortcomings of the conventional technology. Another object of the present invention is to provide a timepiece including a rotating outer frame whose mechanism is to protect against solid impurities and can be used in any environment without affecting the proper function of the rotating outer frame. The present invention relates to a timepiece including a case The enclosed case, back cover, and paper size are in accordance with Chinese National Standard (CNS) Λ4 specification (210X297mm) ~ 1 5-(please read the precautions on the back before filling this page)

A7 311994 B7 V. Description of the invention (3) A watch dish fixed to the case band, a rotating frame that guides rotation on the back cover and the watch dish, a member that fixes the rotating frame to the case band, and a ratchet mechanism connected to the rotating frame , Including detent springs and teeth located inside the rotating outer frame, characterized in that the sealing filler is placed on the ratchet mechanism between the rotating outer frame and the watch dish, the sealing filler ensures the rotating outer frame and the watch The neutrality of the dish and the friction suppression to prevent the rotating outer frame from rotating. Therefore, the arrangement of the sealing filler is located directly between the rotating frame and the watch glass, allowing to obtain a substantially fixed rotation resistance moment of the rotating frame, if necessary, the latch can not ensure that the rotating frame is in its allowed rotation When there is enough fixation, it can offset the flexibility of the spring and the catch. Furthermore, the special arrangement of the sealing filler allows the rotating bezel to be centered on the watch, so there will be a slight play between the two elements, thus improving the penetration of impurities on the one hand, on the other hand Improved the beautiful appearance of the timepiece. According to a particular embodiment of the present invention, the upper half of the timepiece includes a sleeve, the fixing member includes a split ring of plastic material, and is located in a first recess formed in part of the rotating outer frame, and when the rotating outer frame is placed in When the shell band is above, it is located on the outer surface of the sleeve. Due to this structure, the axial fixation of the rotating outer frame on the sleeve can be easily and economically accomplished with the help of a simple split ring. According to the advantages of the present invention, the sleeve includes a truncated surface at the upper outer part of the sleeve, extending outwardly through the cylindrical part provided with the annular radial groove; and formed at the middle part by the shoulder of the lower part The first groove part. This paper is applicable to China National Standards (CNS) Μ specifications (210X297 mm) e (please read the notes on the back before filling this page). Ordered by the Ministry of Economic Affairs Central Standards Bureau Employee Consumer Cooperative Printed by the Ministry of Economic Affairs Central Standards Bureau Employee Consumption Printed by the cooperative A7 __B7 V. Description of invention (〇 Therefore, the installation and axial fixation of the rotating frame of the sleeve can be achieved by placing the split ring on the groove of the rotating frame and forcing the rotating frame on the sleeve It is simple to complete from above. When passing through this conical surface, the split ring will expand outward. Please note that the rotating frame can be easily removed by breaking the split ring. Other features and advantages of the present invention This can be revealed by reading the following detailed description with illustrations and non-limiting examples with reference to the drawings, where FIG. 1 shows a partial cross-sectional view of the timepiece according to the invention; FIG. 2 shows the spring and the timepiece used in the timepiece shown in FIG. Partial top view of the detent; and Figure 3 is a partial side view of the spring and detent of Figure 2, particularly showing the spring leaf forming the detent. According to the drawing, refer to the book specified in Figure 1 The timepiece described below will be described below. The timepiece 1 includes a case 2 which includes a case band 4, a back cover 6, and a watch 8 in which a mechanical device 10 is provided with a pointer dial 12. In this illustrated example, the case band 4 The back cover 6 is made of a single metal material. The fixed angle 14 allows the timepiece to be connected to the watch band (not shown), which is placed on the case band. In this example, the watch is made of plastic ear By welding or gluing, the peripheral edge of the lower edge is directly fixed to the artificial edge 16 of the mechanical device 10. The edge 16 is located on the two static surfaces 18, 20 and the sleeve 22 of the shell belt 4 In which, the sleeve is fastened to the shoulder of the shell belt through its lower flange 24. The sealing filler is filled between the edge 16 and the surface 18 to apply the Chinese National Standard (CNS) A4 specification (210X297 Mm) (Please read the notes on the back before filling this page)

311994 A7 B7 Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of the invention (5) Ensure that the case is sealed to the outside. The sleeve 22 includes an inner cylindrical surface 28, and then forms a surface 20 and a cylindrical surface that expands slightly outward, and forms a flange 2 4 〇 On its upper outer portion, the sleeve 22 includes a truncated surface 3 0 Above the cylindrical portion 32, an annular radial groove 34 is placed. Down, the sleeve 22 has a shoulder 37 in the middle and a terminal located at the flange 24. The timepiece 1 additionally includes a rotating bezel 36, for example made of metal, which rotates with respect to the timepiece 8 and the case band 4. The rotating outer frame 36 includes a first cylindrical surface 38 that opens to the second cylindrical surface 40, which has a larger diameter than the first cylindrical surface, inner axial teeth 4 with serrated teeth 2, and an annular radial shape The groove 44 and the shaft stationary surface 46. The timepiece 8 includes shoulders that fit around the peripheral sides of the annular groove 48 and define the stationary surface 50 of the shaft. According to the characteristics of the invention, the annular groove receives the sealing filler 52 and faces the cylindrical surface 38. The annular groove 4 8 preferably has a circular cross section, and the filler 5 2 is preferably a rubber annular filler. Please note that it is only necessary to control the size of the annular grooves 4 0 and 4 8 in order to obtain compression of the filler, which can It is easily achieved with the help of conventional manufacturing technology. Therefore, the torque against the rotation of the rotating frame can be perfectly controlled. The inner cylindrical surface 28 and the shoulder on the watch 8 define a recess in which a spring and a detent or detent spring 54 are provided. (Please read the notes on the back before filling this page)

J A.

* ST This paper scale is applicable to China National Standard (CNS) A4 specification (210X297mm). -8-A7 B7 printed by the Staff Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 5. Description of the invention (6) More precisely, the ring-shaped detent spring 54 is located on the shaft surface of the shoulder, and is fixed when rotating, for example by The insertion is either adhered to the watch vessel, or assisted by a detent E provided by a score E provided on the side of the watch vessel 8 for the spring or for this purpose. In the illustrative examples of FIGS. 2 and 3, the spring 54 includes six detents 56 having a spiral leaf shape, which can be bent axially and can cooperate with the teeth 4 2 of the rotating outer frame 36, thus forming and rotating the outer Box 3 6 Cooperating ratchet mechanism. In this illustrative example, the latch spring 54 and the latch 56 are made of plastic materials. When the rotating outer frame rotates, any danger of damaging the teeth 4 2 and the rotating outer frame 36 can be eliminated, especially when the latter is made of '' soft '' metal material, such as aluminum or aluminum alloy. For example, the spring 54 is made of a plastic material that has a high plastic limit and is preferably between 160 and 200 OMP a. For example, the polyamide of 40% carbon fiber of Hoechst Company under the name of Celanese Nylon is most suitable. Because the friction coefficient of plastic materials to gold is naturally small, it should be noted that the torque required by the catch to cause the rotating frame to rotate in the direction of rotation is determined by the friction between the clearances. The dish 8 and the sealing filler 52, and the other side are the side and the rotating frame 36. Of course, the detent spring 54 can also be made of metal. According to the characteristics of the present invention, the sealing filler 52 is provided on the ratchet mechanism of the rotating outer frame 36. Therefore, when the rotating outer frame 36 rotates, the latter prevents any solid impurities from penetrating and damaging the mechanism. The alignment of the rotating frame 3 6 is through the seal filler 5 2 directly on the clock. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) (please read the precautions on the back before filling this page)

J D — 9 — Printed by the Employee Consumer Cooperative of the Central Department of Economic Affairs of the Ministry of Economic Affairs A7 __B7 V. Description of invention (7) Completed on the table 8. Therefore, the clearance or play between the watch surface 3 8 and the watch 8 of the rotating outer frame 36 is very small, for example, with a radius between 0 10 mm and 0 20 mm. Therefore, the risk of foreign objects entering this gap is excluded. Furthermore, with the help of the centering of the rotating frame and the filler, oscillations in any radiation direction of the rotating frame can be substantially removed, thus giving the watch with a rotating frame a high-quality impression. The rotating outer frame 36 also includes an axial fixing member of the shell band 4. When the rotating outer frame 36 is located on the shell band 4, the fixing member includes a split ring 60 located in a recess formed in part of the rotating outer frame 36, and the outer surface of the sleeve 22. More precisely, the split ring 60 is made of plastic, has a rectangular cross-section, its radius is much larger than the size of its axis, and is commonly referred to as a 'flat " plastic ring. Plastic materials with high shear resistance are very suitable for making split rings. A single material is most suitable for the material of the split ring. Therefore, the recess has a rectangular cross-section and is formed by radiating annular grooves 34 and 44 located inside the sleeve 22 and the rotating outer frame 36 respectively, and the split ring 60 is placed in this recess so that It can extend outward from the normal position shown in FIG. 1 to the groove 34 of the sleeve 22 and the groove 44 of the rotating outer frame 36. However, it is advantageous to allow it to retract from the radial clearance through the expansion of the plastic knee to the groove 44. In order to realize the rotating outer frame 3 6 assembly of the shell band 4, first place the catch spring 54 on the surface 5 0 of the watch 8 and then install the sealing filler 5 2 in the annular groove 4 8, and then rotate the outer frame 3 6 Engaged with the sleeve 2 2 by pressure, the split ring 6 0 has been placed in the rotating frame in advance 3 β This paper size is suitable for the Chinese National Standard Falcon (CNS) 84 specifications (2 丨 0 X 2 male seats) (please Read the precautions on the back first and then fill out this page) Order 311994 A7 B7 5. The ring groove 4 4 of the invention description (8) has a specific radial clearance. At this time, the inner surface of the ring 60 is in contact with the truncated surface 30 and slides on the latter elastically expanding outward until it faces the groove 34 which can be released therefrom. Once released, the split ring 60 partially extends into the grooves 34 and 44 and the shaft surface of the rotating outer frame 36 is in actual contact with the surface of the shoulder of the sleeve. Once positioned, the rotating frame can only be removed by pulling the force that breaks the split ring. When the rotating frame is reorganized, this cheap part can be replaced. Please read the notes on the back before re-leading it. J Binding Line Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economics ί quasi-f Standard one country one country I use a suitable HI ruler S1¾

Ns I centimeters 7 9 2

Claims (1)

311994 as B8 C8 D8 printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 6. Patent application 1. A timepiece, including a case with a case band, a back cover, a timepiece fixed to the case band, a guide rotating on the back cover and The rotating outer frame of the watch and watch, the member that fixes the rotating outer frame to the casing band, the ratchet mechanism connected to the rotating outer frame, including the detent spring and the teeth located inside the rotating outer frame, which is characterized by the sealing filler is placed Above the ratchet mechanism, between the rotating outer frame and the watch dish, the sealing filler ensures the neutrality of the rotating outer frame and the watch dish and prevents the friction of the rotating outer frame from rotating. 2 _ As in the timepiece of patent application item 1, where the casing band includes a sleeve on its upper part, and when the rotating outer frame is located on the casing band, the fixing member includes a split ring made of plastic material, which is formed in part In the concave part of the rotating outer frame and the outer surface of the sleeve. 3. The timepiece as claimed in item 2 of the patent scope, in which the outer side of the sleeve includes a truncated surface, extends through a cylindrical portion provided with an annular radial shape, and forms a first recess through the shoulder a part. 4. The timepiece as claimed in item 2 of the patent scope, in which the timepiece includes a part adhered to the lower side of the case, wherein the catch spring is located at the part formed on the outer periphery of the timepiece and the inner surface of the sleeve Two recesses. 5. The timepiece as claimed in item 2 of the patent application, in which the outer periphery of the timepiece includes the shoulder on which the catch spring is located axially, and the inner surface of the sleeve is cylindrical. 6. The timepiece as claimed in item 4 of the patent scope, in which the rotation of the detent spring on the watch is blocked by the detent. 7. As in the timepiece of patent application item 1, the watch watch includes an annular groove with a filler on the upper part of the watch, and the filler and the size of this paper are in accordance with the Chinese National Standard (CNS) A4 specification (210X297 Clinic > ~ ~ (Please read the notes on the back before filling this page) -12-^ 11994 A8 B8 C8 D8 、 Patent application scope Rotating the circle of the outer frame 8. If the application forms part 9 · If application Ring groove and tube 1 0 · If it is a flat ring. 1 1 If the impedance is separated from the detent spring. 1 2 If it is through a buckle group 1 3. If the frame is made of aluminum. The cylindrical surfaces are cooperating together. Please refer to the timepiece of item 2 of the patent scope, in which the rotating outer frame includes a circular radial groove with a recess · In the range of patent claims 7 or 8, the annular groove of the set of the rotating outer frame respectively has a rectangular cross section . Timepiece for patent application item 2, wherein the split ring timepiece for patent application item 1, wherein the fixing member is made of plastic material, which has high elastic limit and shear force. Timepiece for patent application item 2, in which The sleeve is preferably placed on the shell band. The timepiece of the first item in the scope of patent application, of which the rotation is outside. (Please read the precautions on the back and then fill out this page) Order Printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs This paper uses the Chinese National Standard (CNS) A4 specification (210X297mm) 13