CN210721028U

CN210721028U - Positioning and fixing mechanism for shock absorber and lower frame connector of watch movement

Info

Publication number: CN210721028U
Application number: CN201922033927.6U
Authority: CN
Inventors: 张志豪
Original assignee: Shenzhen Xinghuang Timekeeper Co ltd
Current assignee: Shenzhen Xinghuang Timekeeper Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-09
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a wrist-watch core's shock absorber and lower frame connector location fixed establishment, it includes: the middle part of the positioning sleeve is provided with a central hole, a shock absorber is arranged in the central hole, a lower frame is arranged below the positioning sleeve, a lower frame connector is further arranged above the positioning sleeve, and the positioning sleeve, the shock absorber, the lower frame and the lower frame connector are all coaxially connected. The utility model discloses a wrist-watch movement's shock absorber and lower frame connector location fixed establishment adopt simple structure's parts machining appearance and cooperation mode, the unanimous characteristics of each centre of a circle axiality for the position sleeve, the shock absorber, the lower frame connector assembly is back together, can guarantee the axiality of shock absorber and lower frame connector, the tolerance accumulation that secondary processing error and parts machining error that original adoption locating pin locate mode leads to caused has been reduced, play a role in the function of realizing that its gravity that offsets different positions produced for whole top flywheel device plays a role in the error.

Description

Positioning and fixing mechanism for shock absorber and lower frame connector of watch movement

Technical Field

The utility model relates to a watch movement technical field especially relates to a watch movement's shock absorber and lower frame connector location fixed establishment.

Background

The escapement speed regulation component in the tourbillon watch is a mechanism with high concentric positioning precision requirement, and a plurality of positioning nails are pressed in the escapement speed regulation component of the movement so as to meet the concentric positioning precision requirement of the escapement speed regulation component. The conventional escapement speed regulation assembly has high requirement on concentric positioning precision, and requires a small tolerance zone of the size of a matching position of a single part and high machining precision, and the requirement on the machining precision of a lathe and a die is high due to the small size of the part, so that the requirement on the precision of the part is difficult to guarantee in batch production, and the assembled movement has high reject ratio due to the fact that the escapement speed regulation assembly mechanism cannot meet the requirement, so that the cost is increased, and the productivity of the movement is greatly limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide a shock absorber and lower frame connector location fixed establishment of watch movement.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a kind of shockproof device and lower frame connector positioning fixing mechanism of the watch movement, it includes: the middle part of the positioning sleeve is provided with a central hole, a shock absorber is arranged in the central hole, a lower frame is arranged below the positioning sleeve, a lower frame connector is further arranged above the positioning sleeve, and the positioning sleeve, the shock absorber, the lower frame and the lower frame connector are all coaxially connected.

Wherein the positioning sleeve comprises: the central hole is formed in the middle of the second circular ring-shaped wall.

And the lower frame connector is provided with a positioning hole with the same diameter as the central hole.

The lower frame connector is provided with a first through hole, the positioning sleeve is provided with a second through hole corresponding to the first through hole, the lower frame is provided with a connecting hole corresponding to the second through hole, and the first through hole and the second through hole are connected with the connecting hole in a penetrating mode through screws so that the lower frame connector, the positioning sleeve and the lower frame are fixedly connected.

The middle part of the lower frame is provided with a mounting hole, and the second annular wall of the positioning sleeve is inserted in the mounting hole.

Wherein, the locating sleeve is a round sleeve made of lead brass.

The lower edge of the lower frame connector extends downwards vertically to form a cylindrical wall, the lower part of the positioning sleeve is inserted into the lower frame, and the upper part of the positioning sleeve is inserted into the cylindrical wall, so that the lower frame connector and the upper frame connector are coaxially assembled.

Compared with the prior art, the utility model discloses a wrist-watch movement's shock absorber and lower frame connector location fixed establishment adopt simple structure's parts machining appearance and cooperation mode, utilize the position sleeve, the location circle of shock absorber and lower frame connector is processed under same benchmark and is formed, the unanimous characteristics of each centre of a circle axiality, make the position sleeve, the shock absorber, the lower frame, lower frame connector assembly back together, can guarantee the axiality of shock absorber and lower frame connector, the tolerance accumulation that secondary working error and parts machining error that original adoption locating pin positioning mode leads to caused has been reduced, it will guarantee to jack up in the function of realizing its error that offsets the gravity production in different positions for whole top flywheel device.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is a schematic view of the overlooking structure of the shock absorber and lower frame connector positioning and fixing mechanism of the watch movement of the present invention.

Fig. 2 is a side sectional view of the shock absorber and lower frame connector positioning and fixing mechanism of the watch movement of the present invention.

Fig. 3 is an exploded view of the shock absorber and lower frame connector positioning and fixing mechanism of the watch movement of the present invention.

Fig. 4 is a schematic structural view of another embodiment of the positioning and fixing mechanism for the shock absorber and the lower frame connector of the watch movement of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 to 3, the present embodiment provides a positioning and fixing mechanism for a shock absorber and a lower frame connector of a watch movement, including: the positioning sleeve comprises a positioning sleeve 1, wherein a central hole 14 is formed in the middle of the positioning sleeve 1, a shock absorber 2 is arranged in the central hole 14, a lower frame 3 is arranged below the positioning sleeve 1, and a lower frame connector 4 is further arranged above the positioning sleeve 1, wherein the positioning sleeve 1, the shock absorber 2, the lower frame 3 and the lower frame connector 4 are all coaxially connected, and specifically, the axis of the central hole 14 is coaxially assembled.

Referring to fig. 3 again, the positioning sleeve 1 includes: the device comprises a first circular ring-shaped wall 11, an annular table 12 vertically extending inwards from the edge of the lower end of the first circular ring-shaped wall 11, and a second circular ring-shaped wall 13 vertically extending downwards from the edge of the inner side of the annular table 12, wherein the central hole 14 is formed in the middle of the second circular ring-shaped wall 13.

The lower frame connector 4 is provided with a registration hole 41 with the same diameter as the central hole 14, and the central hole 14 and the registration hole 41 together form a cavity for accommodating the shock absorber 2.

As shown in fig. 3, the lower frame connector 4 is further provided with a first through hole 42, the positioning sleeve 1 is provided with a second through hole 15 corresponding to the first through hole 42, the lower frame 3 is provided with a connecting hole 32 corresponding to the second through hole 15, and the first through hole 42 and the second through hole 15 are connected to the connecting hole 32 through screws 5, so that the lower frame connector 4, the positioning sleeve 1 and the lower frame 3 are fixedly connected.

The middle part of the lower frame 3 is provided with a mounting hole 31, and the second annular wall 13 of the positioning sleeve 1 is inserted into the mounting hole 31 to assemble and position the two.

In this embodiment, the outer periphery of the lower frame 3 is further provided with a tooth opening 33. The positioning sleeve 1 is a round sleeve made of lead brass. The reliability of concentric positioning of the related parts is guaranteed, the requirement of precision turning of the sizes of the parts is reduced, the qualification rate of batch production of the parts is improved, and therefore the qualification rate and the production efficiency of the movement are improved.

Referring to fig. 4, in another embodiment, the positioning and fixing mechanism for the shock absorber and the lower frame connector of the watch movement includes: the shock absorber comprises a positioning sleeve 1, a shock absorber 2, a lower frame 3, a lower frame connector 4 and a screw 5. The connection relationship is the same as the previous embodiment, but the difference exists in the fitting manner of the lower frame connector and the positioning sleeve 1, in this embodiment, the lower edge of the lower frame connector 4 extends vertically downward to form a column-shaped wall 41, the positioning sleeve 1 is inserted into the lower frame 3, the upper part of the positioning sleeve is exposed out of the surface of the lower frame 3, and the exposed part is fitted with the column-shaped wall 41 of the lower frame connector 4, so as to realize the coaxial fitting between the two.

The embodiment adopts the part processing appearance and the matching mode with simple structure, realizes double positioning of the shock absorber and the lower frame connector, greatly improves the operation reliability, simultaneously reduces the precision processing requirement of parts, greatly improves the production efficiency, obviously improves the product quality, and greatly reduces the comprehensive production cost of enterprises.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a wrist-watch movement's shock absorber and lower frame connector location fixed establishment which characterized in that includes: the middle part of the positioning sleeve is provided with a central hole, a shock absorber is arranged in the central hole, a lower frame is arranged below the positioning sleeve, a lower frame connector is further arranged above the positioning sleeve, and the positioning sleeve, the shock absorber, the lower frame and the lower frame connector are all coaxially connected.

2. The watch movement shock absorber and lower frame connector positioning and securing mechanism of claim 1, wherein said positioning sleeve comprises: the central hole is formed in the middle of the second circular ring-shaped wall.

3. The watch movement shock absorber and lower frame connector positioning and securing mechanism of claim 2, wherein said lower frame connector is provided with alignment holes having the same diameter as said central hole.

4. The mechanism for positioning and fixing a shock absorber of a watch movement and a lower frame connector according to claim 3, wherein the lower frame connector is further provided with a first through hole, the positioning sleeve is provided with a second through hole corresponding to the first through hole, the lower frame is provided with a connecting hole corresponding to the second through hole, and the first through hole and the second through hole are connected to the connecting hole through screws in a penetrating manner so as to fixedly connect the lower frame connector, the positioning sleeve and the lower frame.

5. The watch movement shock absorber and lower frame connector positioning and fixing mechanism of claim 2, wherein the middle of the lower frame is provided with a mounting hole, and the second annular wall of the positioning sleeve is inserted into the mounting hole.

6. The watch movement shock absorber and lower frame connector positioning and securing mechanism of claim 1, wherein said positioning sleeve is a round sleeve made of lead brass.

7. The watch movement shock absorber and bezel coupler alignment fixture of claim 1, wherein a lower edge of said bezel coupler extends vertically downward to form a cylindrical wall, and wherein a lower portion of said alignment sleeve is received in said bezel and an upper portion is received in said cylindrical wall such that said two are coaxially assembled.