CN115453848B - Chassis structure for mechanical watch movement - Google Patents
Chassis structure for mechanical watch movement Download PDFInfo
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- CN115453848B CN115453848B CN202211107448.4A CN202211107448A CN115453848B CN 115453848 B CN115453848 B CN 115453848B CN 202211107448 A CN202211107448 A CN 202211107448A CN 115453848 B CN115453848 B CN 115453848B
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model relates to a technical field that machinery table structure especially relates to a chassis structure for machinery table core, and it includes the chassis body, be provided with the locating hole on the chassis body, be provided with the mounting groove on the side that the main part was kept away from to the chassis body, one side that the mounting groove is close to the main part communicates with each other with the one end that the main part was kept away from to the locating hole, mounting groove and locating hole coaxial line set up, install protruding lens piece in the mounting groove. The utility model has the effect of being convenient for assembler location installation chassis.
Description
Technical Field
The application relates to the technical field of mechanical watch structures, in particular to a chassis structure for a mechanical watch movement.
Background
The mechanical watch uses a spring in the movement as power source, the movement is used as a heart of the mechanical watch by driving a gear to push a watch hand, the movement mainly comprises a main body, a driving system, a transmission system, an escapement speed regulator, a pointer system, a winding needle pulling system and a chassis, the driving system, the transmission system and the escapement speed regulator are all arranged on one side surface of the main body, the chassis is arranged on one side surface of the main body, on which the driving system, the transmission system and the escapement speed regulator are arranged, and the driving system, the transmission system and the escapement speed regulator are arranged between the main body and the chassis, wherein the chassis is different in shape and quantity according to actual needs.
In the related art, referring to fig. 1, a driving system and an escapement speed governor comprise a plurality of parts, and the parts are relatively more parts, namely driving gears, two side surfaces of part of the driving gears are respectively provided with shaft bodies integrally formed with the driving gears, and the driving gears are respectively inserted into a main body and a chassis by the two shaft bodies so as to realize a rotation connection relationship between the driving gears and the main body and between the driving gears and a fixed shaft, wherein positioning holes matched with the shaft bodies are formed in the main body and the chassis.
When the transmission gears are installed, the main body is generally horizontally placed and fixed by using a special clamp, then the transmission gears are clamped up by an assembler by using tweezers, so that the transmission gears are installed on the main body, the shaft bodies on the upper side surfaces of the transmission gears are vertical, and after all the transmission gears are installed, all the chassis are installed on the main body, so that part of the appointed transmission gears can be connected with the corresponding chassis.
With respect to the above related art, the applicant found that when the assembler installs the chassis, because of the shielding of the chassis, it is difficult to precisely align the positioning hole on the chassis with the shaft lever on the transmission gear, so that when the assembler installs the chassis, the assembler generally initially places the chassis first and then slowly dials the chassis, so that the shaft lever on the transmission gear can be aligned with the positioning hole on the chassis, and the assembly is complicated, so that the improvement is needed.
Disclosure of Invention
It is an object of the present application to provide a chassis structure for a mechanical watch movement having the effect of facilitating the positioning of the mounting chassis by the assembler.
The application provides a chassis structure for machinery watch core adopts following technical scheme:
the chassis structure for the mechanical watch movement comprises a chassis body, wherein a positioning hole is formed in the chassis body, a mounting groove is formed in one side, far away from the main body, of the chassis body, one side, close to the main body, of the mounting groove is communicated with one end, far away from the main body, of the positioning hole, the mounting groove and the positioning hole are coaxially arranged, and a convex lens sheet is arranged in the mounting groove.
Through adopting above-mentioned technical scheme, when the installation chassis body, utilize tweezers to grip the chassis body by the assembler, then directly over with chassis body moving body, place the chassis on the body by the assembler is slow again, the assembler can see through protruding lens piece and observe drive gear's axostylus axostyle position when placing the chassis, the assembly of being convenient for can align the locating hole on the chassis body with the axostylus axostyle on the drive gear when moving the chassis body downwards, and, protruding lens piece still has the effect of increase visual angle, make the assembler see through the butt joint condition of axostylus axostyle and locating hole that protruding lens piece can be more clear.
Optionally, still be provided with the constant head tank in the chassis body, the constant head tank communicates with each other with the mounting groove, the locating part is installed to the mode of adoption joint in the constant head tank, the locating part stretches into the mounting groove and is kept away from the laminating of a side of locating hole with the convex lens piece at least partially.
Through adopting above-mentioned technical scheme, utilize the cooperation between constant head tank and the locating part, can play the effect of the spacing protruding lens of joint for after the core installation is accomplished and when being worn, protruding lens is difficult for breaking away from the chassis body because of rocking, ensures the safe in utilization of chassis body and protruding lens.
Optionally, the locating part includes two arc elastic pieces that mutually symmetry set up, two in the constant head tank is all blocked in the outside of arc elastic piece, two in the inboard of arc elastic piece all stretches to the mounting groove to keep away from a side laminating of locating hole with the convex lens piece, the middle part of arc elastic piece all upwards arches the setting.
Through adopting above-mentioned technical scheme, when need utilize the locating part to block the convex lens piece, only need place two arc elastic pieces in the mounting groove to make two arc elastic pieces be close to the edge of mounting groove, only need stir two arc elastic pieces at last in order to reach the effect of adjustment arc elastic piece position, make the outside of arc elastic piece can block locate in the constant head tank, and the inboard of arc elastic piece can stretch into the mounting groove and laminate with the surface of convex lens piece, thereby play the effect of blocking the convex lens piece.
Optionally, the constant head tank is provided with a plurality of channels, each the constant head tank is arranged around the circumference of the axis of mounting groove, each the arc elastic sheet all includes arc piece and a plurality of spacing archs, each spacing arch all sets up on the outside of arc piece, and when the arc elastic sheet was installed on the chassis body, each spacing arch was inlayed respectively and is located in the corresponding constant head tank in position, the arc piece is located the mounting groove.
Through adopting above-mentioned technical scheme, through the cooperation between each spacing arch and each positioning groove for the arc elastic sheet can have partial joint in the chassis is internal, realizes the joint relation between arc elastic sheet and the chassis body, utilizes the arc piece can directly play the effect of interception convex lens piece, avoids the convex lens piece directly to break away from the chassis body, and through setting up the part of arc elastic sheet and chassis body joint into spacing arch, can be convenient for be the curved shaping of arc piece of arcwall form.
Optionally, the chassis is internal still to be provided with twice and dodge the groove, two dodge the groove and use the axis of mounting groove to set up as the symmetry line symmetry each other, two dodge the groove all communicate with each other with the mounting groove, and two dodge the groove keep away from the one end of main part still with the chassis body keep away from a side of main part and communicate with each other.
Through adopting above-mentioned technical scheme, utilize to dodge the groove for when the assembler wants to change the protruding lens piece, can insert two holding ends of tweezers respectively and locate twice and dodge the inslot, make can utilize tweezers to press from both sides tight protruding lens piece, so that the assembler takes out the protruding lens piece and changes.
Optionally, the locating part still includes U-shaped elastic piece, the both ends of U-shaped elastic piece are connected with one of them one end of two arc elastic pieces respectively, and when the locating part was installed in the chassis is internal, U-shaped elastic piece is located arbitrary dodge the inslot, just the both sides of U-shaped elastic piece are closely laminated with the opposite side who dodges the groove respectively.
Through adopting above-mentioned technical scheme, utilize the U-shaped elastic piece can link together two arc elastic pieces, and utilize the U-shaped elastic piece, can make the interval between two arc elastic pieces adjustable for two arc elastic pieces can be placed into the mounting groove, and the arc elastic piece is placed and is accomplished the back, utilizes the elastic resilience of U-shaped elastic piece, makes the interval between two arc elastic pieces can reply, thereby makes the spacing arch that is located on the outside of two arc elastic pieces can block and locate in the constant head tank.
Optionally, two the one end that U-shaped elastic piece was kept away from to the arc elastic piece all has the spacing piece, two positional relationship sets up about the spacing piece, two all be provided with the regulation hole on the spacing piece, when two when the regulation hole is coincident, two the external diameter that the combination of arc elastic piece formed is less than the internal diameter of mounting groove, when the locating part is installed in the chassis body and is expanded naturally, is located two the crisscross setting of twice regulation hole on the spacing piece.
Through adopting above-mentioned technical scheme, when need dismantle the convex lens piece, need tear down the locating part earlier, utilize the cooperation between two spacing pieces for when dismantling the locating part, firstly utilize a thin needle to pass twice regulation hole, utilize thin needle to make twice regulation hole coincide completely, thereby reach the effect that drives two arc elastic components towards the direction removal in opposite directions, make two arc elastic components can be relieved with spacing groove between the joint relation, make the assembler take out the locating part.
Optionally, two the one end that U-shaped elastic piece was kept away from to the arc elastic piece all is provided with the connection piece of upwards buckling, two the spacing piece sets up respectively in the upper end of two connection pieces, and when the locating part was installed in the chassis is internal and when expanding naturally, two a side that the spacing piece set up in opposite directions is laminated with the opposite side of dodging the groove respectively.
Through adopting above-mentioned technical scheme, when the arc elastic piece is installed in the chassis body, in utilizing the connection piece can make spacing piece be close to the position of dodging groove and chassis body to the assembler of being convenient for inserts the position that the accurate two regulation holes coincide of thin pair.
Optionally, both sides at the middle part of the U-shaped elastic sheet are provided with first protrusions, two one ends of the connecting sheets, which are far away from the arc-shaped elastic sheet, are provided with second protrusions, and when the limiting piece is installed on the chassis body, each of the first protrusions and the second protrusions are abutted with one side surface, which is far away from the main body, of the chassis body.
Through adopting above-mentioned technical scheme, when the locating part is installed in the chassis is internal, utilize first arch can make the middle part of U-shaped elastic piece and the chassis body keep away from a side joint of main part, utilize the second arch can make the connection piece keep away from the one end of arc elastic piece and the chassis body keep away from a side joint of main part for the installation condition of locating part can be fed back through the connection condition on first arch and second arch and chassis body surface, the assembler of being convenient for ensures the effect of locating part.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the assembler covers the mounting chassis body, the connection condition between the shaft lever of the transmission gear and the chassis body can be observed, so that the assembler can conveniently mount the chassis structure;
2. the chassis is provided with the convex lens sheet, so that when the chassis is not disassembled, an assembler can observe the abrasion condition of the shaft lever of the transmission gear through the convex lens sheet, and is convenient for judging whether the transmission gear is used normally or not;
3. compared with a chassis body with a traditional surface provided with only positioning holes, the chassis structure has better appearance effect and is better suitable for appreciation after being provided with the convex lens sheet.
Drawings
FIG. 1 is a schematic diagram of the connection of a chassis to a drive gear in the related art;
FIG. 2 is a schematic illustration of the connection of a chassis structure to a main body according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a chassis structure according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a limiting member according to an embodiment of the present application;
FIG. 5 is a schematic view of the connection of the arcuate elastomeric sheet to the chassis body in an embodiment of the present application;
FIG. 6 is a schematic diagram of the connection of the elastic connection portion, the control portion and the chassis body according to the embodiment of the present application;
FIG. 7 is an enlarged schematic view of part of A of FIG. 4;
fig. 8 is a partially enlarged schematic view of B of fig. 4.
In the figure, 1, a main body; 2. a chassis; 21. positioning holes; 3. a transmission gear; 31. a shaft lever; 4. a chassis body; 41. a mounting groove; 42. a positioning groove; 43. an avoidance groove; 5. a convex lens sheet; 6. a limiting piece; 61. an elastic connection part; 611. u-shaped elastic sheet; 612. a first bending piece; 613. a first protrusion; 62. an arc-shaped elastic sheet; 621. an arc-shaped sheet; 622. a limit protrusion; 63. a control unit; 631. a condensation sheet; 632. a second bending piece; 633. a connecting sheet; 634. a limiting piece; 635. an adjustment aperture; 636. and a second protrusion.
Detailed Description
The present application is described in further detail below with reference to fig. 2-8.
A chassis structure for a mechanical watch movement, referring to figures 2 and 3, comprising a chassis body 4, a convex lens sheet 5 and a limiting member 6; wherein, have the locating hole 21 that is used for supplying the axostylus axostyle 31 grafting of drive gear 3 on the chassis body 4 is close to a side of main part 1, convex lens piece 5 has the effect of increase visual angle, convex lens piece 5 installs on the chassis body 4 is kept away from a side of main part 1, the quantity and the position of convex lens piece 5 and the quantity and the position one-to-one of locating hole 21, the inside condition of locating hole 21 is seen to the assembler accessible convex lens piece 5, locating part 6 is provided with a plurality of, each locating part 6 all detachable installs on chassis body 4, each locating part 6 cooperates with each convex lens piece 5 respectively, so that convex lens piece 5 can be stable install in chassis body 4.
Referring to fig. 2, a mounting groove 41 is provided on a side surface of the chassis body 4 away from the main body 1, and the number and positions of the mounting grooves 41 correspond to those of the positioning holes 21 one by one; wherein, one side of each mounting groove 41 close to the main body 1 is respectively communicated with one end of each positioning hole 21 far away from the main body 1, and the mutually communicated mounting grooves 41 and the positioning holes 21 are coaxially arranged, the inner diameter of each mounting groove 41 is larger than that of each positioning hole 21, and each convex lens sheet 5 is respectively arranged in each mounting groove 41.
Wherein, the external diameter of the convex lens sheet 5 is communicated with the internal diameter of the mounting groove 41, and when the convex lens sheet 5 is mounted in the mounting groove 41, one side surface of the convex lens sheet 5, which is close to the positioning hole 21, is attached to the bottom surface of the mounting groove 41.
Referring to fig. 3 and 4, the stopper 6 includes an elastic connection portion 61, an arc-shaped elastic piece 62 and a control portion 63, the arc-shaped elastic piece 62 is provided with two pieces that are mirror images of each other, one end of the two arc-shaped elastic pieces 62 is connected with the elastic connection portion 61, and the other ends of the two arc-shaped elastic pieces 62 are connected with the control portion 63; when the limiting member 6 is installed in the chassis body 4, the two arc-shaped elastic pieces 62 are attached to a side surface of the convex lens, which is far away from the main body 1, and the two arc-shaped elastic pieces 62 are arranged near the edge of the convex lens.
Referring to fig. 5, a plurality of positioning grooves 42 are provided in the chassis body 4, each positioning groove 42 is circumferentially and equidistantly arranged around the axis of the mounting groove 41, and each positioning groove 42 is communicated with the mounting groove 41; wherein, each arc elastic piece 62 all includes arc piece 621 and a plurality of spacing protruding 622, and each spacing protruding 622 all sets up on the outside of arc piece 621, and when locating part 6 was installed on chassis body 4, each spacing protruding 622 was inlayed respectively and is located in each positioning groove 42, and arc piece 621 is located mounting groove 41 and is kept away from a side laminating of main part 1 with the convex lens.
In this embodiment, two limit protrusions 622 are disposed on the same arc-shaped piece 621, and the two limit protrusions 622 are respectively close to two ends of the arc-shaped piece 621.
Referring to fig. 6, two avoidance grooves 43 are provided on the chassis body 4, the two avoidance grooves 43 are symmetrically arranged with the axis of the mounting groove 41 as a symmetry line, one side of each of the two avoidance grooves 43 is communicated with the mounting groove 41, and one end of each of the two avoidance grooves 43, which is far away from the main body 1, is also communicated with one side of the chassis body 4, which is far away from the main body 1; when the limiting member 6 is installed in the chassis body 4, the elastic connection portion 61 and the control portion 63 are respectively located in the two avoidance grooves 43.
Referring to fig. 7, the elastic connection portion 61 includes a U-shaped elastic piece 611 and a first bending piece 612 that are integrally connected, the first bending piece 612 is provided with two pieces that are mirror images of each other, and the two first bending pieces 612 are respectively formed by bending the end portions of the two arc-shaped elastic pieces 62 toward the direction where the body is located, and two ends of the U-shaped elastic piece 611 are disposed near the main body 1 and are respectively connected with one ends of the two first bending pieces 612 that are far away from the arc-shaped elastic pieces 62; wherein, both sides of the middle part of the U-shaped elastic piece 611 are provided with first protrusions 613.
When the limiting member 6 is mounted in the chassis body 4, the elastic connecting portion 61 is located in one of the avoidance grooves 43, at this time, the two first bending pieces 612 are attached to the sides of the convex lens, two sides of the U-shaped elastic piece 611 are respectively and tightly attached to two opposite sides of the avoidance groove 43, and the two first protrusions 613 are respectively abutted to one side of the chassis body 4 away from the main body 1.
Referring to fig. 8, the control portion 63 includes two condensation pieces 631 disposed in mirror images, the two condensation pieces 631 are respectively disposed at an upper end of the arc-shaped elastic piece 62 away from the elastic connection portion 61, and the two condensation pieces 631 include a second bending piece 632, a connection piece 633 and a limiting piece 634 that are integrally connected together; the second bending piece 632 is formed by bending the arc-shaped elastic piece 62 towards the direction close to the main body 1, the connecting piece 633 is formed by bending one end of the second bending piece 632 close to the main body 1 towards the direction far away from the main body 1, the limiting piece 634 is formed by bending one end of the connecting piece 633 far away from the main body 1 by 90 degrees, the two limiting pieces 634 are mutually overlapped, and the second protrusions 636 are arranged at one ends of the two connecting pieces 633 far away from the arc-shaped elastic piece 62.
Wherein, all be provided with on the spacing piece 634 and be the regulation hole 635 of round hole form, when the coincidence of twice regulation hole 635, the external diameter of the combination of two arc pieces 621 is less than the internal diameter of mounting groove 41, when locating part 6 installs in chassis body 4 and opens naturally, control portion 63 is located one of them and dodges inslot 43, two connection piece 633 respectively with should dodge the opposite side laminating of inslot 43, and be located the crisscross setting of twice regulation hole 635 on two spacing pieces 634, each second arch 636 and chassis body 4 are kept away from a side butt of main part 1.
The implementation principle of the embodiment of the application is as follows:
when the chassis body 4 is installed, an assembler clamps the chassis body 4 by using tweezers, then moves the chassis body 4 to be right above the main body 1, then slowly places the chassis 2 on the body by the assembler, and when the assembler places the chassis 2, the assembler can observe the shaft lever 31 of the transmission gear 3 through the convex lens sheet 5, so that the positioning hole 21 on the chassis body 4 can be aligned with the shaft lever 31 on the transmission gear 3 when the assembler moves the chassis body 4 downwards.
When the assembler needs to replace the convex lenses with different colors according to the requirements, the assembler only needs to insert a thin needle between the two adjusting holes 635, the two adjusting holes 635 are completely overlapped, when the two adjusting holes 635 are completely overlapped, the distance between one ends of the arc-shaped elastic pieces 62, which are far away from the elastic connecting parts 61, is driven to be reduced, so that the effect of driving the two arc-shaped elastic pieces to move towards opposite directions is achieved, the clamping relation between the two arc-shaped elastic pieces and the limiting grooves can be relieved, the assembler can take out the limiting pieces 6, and finally the assembler takes out the convex lenses by using tweezers.
The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The chassis structure for the mechanical watch movement comprises a chassis body (4), and is characterized in that a positioning hole (21) for inserting a shaft lever (31) of a transmission gear (3) is formed in the chassis body (4), the positioning hole (21) in the chassis body (4) is aligned with the shaft lever (31) in the transmission gear (3), a mounting groove (41) is formed in one side surface, far away from the main body (1), of the chassis body (4), one side, close to the main body (1), of the mounting groove (41) is communicated with one end, far away from the main body (1), of the positioning hole (21), a convex lens piece (5) is arranged in the mounting groove (41), a positioning groove (42) is further arranged in the chassis body (4), the positioning groove (42) is communicated with the mounting groove (41), a limiting piece (6) is mounted in a clamping manner in the positioning groove (42), the limiting piece (6) at least partially extends into the mounting groove (41) and is mutually attached to one side, far away from the two arc-shaped elastic pieces (62) of the two arc-shaped positioning pieces (62) are symmetrically arranged on one side, far away from the two arc-shaped pieces (62) of the elastic pieces are mutually attached to each other, the inner sides of the arc-shaped elastic sheets (62) extend into the mounting groove (41) and are attached to one side surface of the convex lens sheet (5) away from the positioning hole (21), and the middle parts of the arc-shaped elastic sheets (62) are upwards arched.
2. The chassis structure for a mechanical watch movement according to claim 1, wherein the positioning grooves (42) are provided with a plurality of channels, each positioning groove (42) is circumferentially arranged around the axis of the mounting groove (41), each arc-shaped elastic piece (62) comprises an arc-shaped piece (621) and a plurality of channel limiting protrusions (622), each limiting protrusion (622) is arranged on the outer side of the arc-shaped piece (621), when the arc-shaped elastic piece (62) is mounted on the chassis body (4), each limiting protrusion (622) is respectively embedded in the corresponding positioning groove (42), and the arc-shaped piece (621) is located in the mounting groove (41).
3. The chassis structure for a mechanical watch movement according to claim 1, wherein two avoidance grooves (43) are further provided in the chassis body (4), the two avoidance grooves (43) are symmetrically arranged with the axis of the installation groove (41) as a symmetry line, the two avoidance grooves (43) are both communicated with the installation groove (41), and one end of the two avoidance grooves (43) away from the main body (1) is further communicated with a side surface of the chassis body (4) away from the main body (1).
4. A chassis structure for a mechanical watch movement according to claim 3, wherein the limiting member (6) further comprises a U-shaped elastic piece (611), two ends of the U-shaped elastic piece (611) are respectively connected with one end of two arc-shaped elastic pieces (62), when the limiting member (6) is installed in the chassis body (4), the U-shaped elastic piece (611) is located in any one avoiding groove (43), and two sides of the U-shaped elastic piece (611) are respectively tightly attached to two opposite sides of the avoiding groove (43).
5. The chassis structure for a mechanical watch movement according to claim 4, wherein two ends of the arc-shaped elastic pieces (62) far away from the U-shaped elastic piece (611) are provided with limiting pieces (634), the two limiting pieces (634) are arranged in an up-down positional relationship, adjusting holes (635) are formed in the two limiting pieces (634), when the two adjusting holes (635) are coincident, the outer diameter formed by the combination of the two arc-shaped elastic pieces (62) is smaller than the inner diameter of the mounting groove (41), and when the limiting piece (6) is mounted in the chassis body (4) and is naturally unfolded, the two adjusting holes (635) formed in the two limiting pieces (634) are staggered.
6. The chassis structure for a mechanical watch movement according to claim 5, wherein two ends of the arc-shaped elastic pieces (62) away from the U-shaped elastic pieces (611) are respectively provided with an upward bending connecting piece (633), two limiting pieces (634) are respectively arranged at the upper ends of the two connecting pieces (633), and when the limiting piece (6) is installed in the chassis body (4) and is naturally unfolded, one side surface of the two limiting pieces (634) which is oppositely arranged is respectively attached to two opposite side surfaces of the avoidance groove (43).
7. The chassis structure for a mechanical watch movement according to claim 6, wherein the two sides of the middle part of the U-shaped elastic sheet (611) are provided with first protrusions (613), one end of the two connecting sheets (633) away from the arc-shaped elastic sheet (62) is provided with second protrusions (636), and when the limiting member (6) is mounted on the chassis body (4), each of the first protrusions (613) and the second protrusions (636) is abutted with a side surface of the chassis body (4) away from the main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211107448.4A CN115453848B (en) | 2022-09-13 | 2022-09-13 | Chassis structure for mechanical watch movement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211107448.4A CN115453848B (en) | 2022-09-13 | 2022-09-13 | Chassis structure for mechanical watch movement |
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| CN115453848A CN115453848A (en) | 2022-12-09 |
| CN115453848B true CN115453848B (en) | 2023-08-08 |
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| CN207924385U (en) * | 2018-02-10 | 2018-09-28 | 李振 | Minute hand external one division disk time display apparatus |
| CN208044309U (en) * | 2018-04-20 | 2018-11-02 | 深圳市伊芙尼钟表有限公司 | A kind of wrist-watch |
| CN209327798U (en) * | 2018-12-20 | 2019-08-30 | 深圳市创盈德精密技术有限公司 | A kind of high intensity wrist-watch rear shell |
| CN212873215U (en) * | 2020-09-14 | 2021-04-02 | 清远惠晶科技有限公司 | Double-spherical sapphire glass shell |
| CN214623322U (en) * | 2021-04-21 | 2021-11-05 | 天津精诚拓飞科技有限公司 | Decorative structure of mechanical watch |
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| CN115453848A (en) | 2022-12-09 |
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