阅读说明：本技术 机械定时器 (Mechanical timer ) 是由 于洋 于苏函 于 2020-07-27 设计创作，主要内容包括：本发明涉及机械定时器,它包括功能表头、定时器上壳、机芯、行星轮系结构、定时器底壳,所述行星轮系结构由行星轮架、太阳轮、行星轮、齿圈外壳组成,通过行星轮系结构将被约束地置于定时器上壳和定时器底壳之间的齿圈外壳与机芯主轴联动,同时,定时器上壳、机芯、行星轮架、定时器底壳之间锁定连接无转动,使嵌入定时器上壳的功能表头其指向随之固定,实现定时器在工作时可以展示固定指向功能性信息和内容的功能,拓展了定时器的应用需求,本发明机械定时器不改变使用者对现有定时器的认知和使用习惯,结构紧凑,基于功能表头的日益丰富,应用场景广泛,本发明由于是组装式连接,便于对功能表头的更换、设置、维护。(The invention relates to a mechanical timer, which comprises a functional meter head, a timer upper shell, a machine core, a planetary gear train structure and a timer bottom shell, wherein the planetary gear train structure consists of a planetary gear carrier, a sun gear, a planetary gear and a gear ring shell, the gear ring shell which is arranged between the timer upper shell and the timer bottom shell in a constrained manner is linked with a main shaft of the machine core through the planetary gear train structure, and meanwhile, the timer upper shell, the machine core, the planetary gear carrier and the timer bottom shell are locked and connected without rotation, so that the direction of the functional meter head embedded into the timer upper shell is fixed therewith, the function of displaying fixed directional functional information and content when the timer works is realized, and the application requirements of the timer are expanded. The invention is convenient for replacing, setting and maintaining the functional meter head due to the assembly connection.)

1. The mechanical timer is characterized by comprising a functional meter head (12), a timer upper shell (5), a machine core (1), a planetary gear train structure and a timer bottom shell (4), the planetary gear train structure comprises a planetary gear carrier (2), a sun gear (7), three planetary gears (11) and a gear ring shell, the planetary gear carrier (2) is fixed on one side of a main shaft gear (8) of the machine core (1), the sun gear (7) is positioned at the center of the planetary gear train structure and is coaxial with a main shaft (6) of the machine core, the mechanism is locked and connected with a main shaft gear (8) of the mechanism, a planet wheel (11) is arranged on a planet wheel shaft (21) of a planet wheel carrier (2) and is respectively meshed with a sun wheel (7) and a gear ring (91), the mechanism (1) is respectively coaxially locked and connected with an upper shell (5) of a timer and the planet wheel carrier (2) downwards according to the main shaft gear (8), and the planet wheel carrier (2) is coaxially locked and connected with a bottom shell (4) of the timer; the gear ring shell is arranged between the timer upper shell (5) and the timer bottom shell (4) in a constrained mode and can rotate, the functional meter head (12) is embedded in the timer upper shell (5) and fixed, the direction of the functional meter head is unchanged in the timing process, and the functional meter head (12), the timer upper shell (5), the movement (1), the planetary gear train structure and the timer bottom shell (4) are assembled from top to bottom.

2. The mechanical timer according to claim 1, wherein: the planet wheel carrier (2) is a circular ring-shaped sheet component, the number of the planet wheel shafts is three, the three planet wheel shafts are distributed on the planet wheel carrier (2) according to equal-radius equal-spacing circumferential arrays, bosses (23) are arranged on the planet wheel carrier (2), threaded holes (24) are formed in the bosses (23), and the bosses and the planet wheel shafts are arranged at intervals.

3. The mechanical timer according to claim 1, wherein: the center of the sun gear (7) is provided with a shaft hole corresponding to the core spindle (6) and a circular boss (71), and the circular boss is provided with a positioning groove (72) matched with a protrusion (81) on the surface of the core spindle gear.

4. The mechanical timer according to claim 1, wherein: the planet gears (11) are duplicate gears consisting of small gears (111) and large gears (112), and the three planet gears (11) are distributed in a circumferential array with equal radius and equal spacing.

5. The mechanical timer according to claim 1, wherein: the ring gear shell is formed by locking and connecting a ring gear shell (9) and a ring gear pressing ring (10), the ring gear shell (9) is a tubular part, the longitudinal section of the ring gear shell is in an L shape which is arranged in an axisymmetric mode, the inner side of a circular ring-shaped protruding part (92) at the lower part of the ring gear shell is provided with a ring gear (91), a certain acoustic gap is kept between the inner wall of the upper part of the ring gear shell (9) and the periphery of a metal bell shell (3) on the movement (1), the ring gear pressing ring (10) is a circular ring-shaped part, the longitudinal section of the ring gear pressing ring is in a reversed-L shape which is arranged in an axisymmetric mode, and the outer surfaces of the ring gear shell (; the gear ring shell is constrained by radial, axial and gear matching and is rotatably arranged between the timer upper shell (5) and the timer bottom shell (4).

6. The mechanical timer according to claim 1, characterized in that the peripheral surface of the circular notch (51) at the upper part of the timer upper shell (5) is provided with a functional scale (52), the bottom end of the timer upper shell is provided with an upper shell boss (54), and the pointing direction of the timer upper shell (5) is not changed during the timing process.

7. The mechanical timer according to claim 1, wherein: and a shaft positioning concave hole (42) is formed in the inner bottom surface of the circular recess of the timer bottom shell (4), and a magnetic column or a fixed adhesive sheet can be embedded into the bottom of the timer bottom shell (4).

8. The mechanical timer according to claim 1, wherein: the functional meter head (12) is a functional component capable of displaying specific information and content, the periphery of the upper surface of the functional meter head is provided with a digital scale mark (122), and the direction of the functional meter head (12) is unchanged in the timing process; an elastic rubber ring (13) is arranged between the functional meter head (12) and the circular notch (51) at the upper part of the timer upper shell (5), and the functional meter head is detachably connected with the timer upper shell (5).

9. The mechanical timer according to claim 1, characterized in that the upper timer casing (5) and the movement (1), the movement (1) and the planet wheel carrier (2), and the planet wheel carrier (2) and the bottom timer casing stand (4) are all locked by screws without relative rotation.

10. A mechanical timer according to claim 1, wherein the movement (1) is a mechanical chime timer movement having a metal bell housing (3) thereon.

Technical Field

The invention relates to the field of mechanical ringing timers, in particular to a mechanical timer capable of displaying fixed pointing functional information in a timing process.

Background

The conventional mechanical ringing timer is structurally composed of a machine core, a bottom shell, an upper shell and an indicating component in locking connection with one end of a main shaft of the machine core. In practical application, the upper shell and the indicating component are designed into various cartoon models in an integrated manner. The working mode is as follows: the upper shell or the indicating component is twisted clockwise to preset timing time, after timing begins, the upper shell or the indicating component rotates anticlockwise to an initial position, and ringing is triggered to prompt the end of a preset time period.

In the process, the bottom shell of the timer is fixed relative to the environment, and the upper shell or the indicating component always rotates, so that functional information with fixed pointing requirements cannot be displayed on the rotating component, and the expanded application of the timer is limited. For example, when a mechanical timer is used for timing, for example, when information or data requiring fixed pointing, such as a gas index, a smoke index, a picture, a temperature and humidity, a clock, atmospheric pressure, an air index, altitude and the like, is to be displayed simultaneously on the mechanical timer, the structure of the existing mechanical timer cannot be realized.

Chinese utility model patent with publication number CN208351258U discloses a multifunctional timer, which comprises an upper cover, a bottom cover, a watch assembly and a mechanical timer core. The upper cover is provided with an upper cover cavity. The bottom cover is provided with a lower cover cavity corresponding to the upper cover cavity. The watch assembly is overlapped in the cavity of the upper cover from top to bottom. The mechanical timer movement is positioned below the watch assembly, accommodated in the upper cover cavity and the lower cover cavity, and fixedly connected with the watch assembly and the bottom cover respectively so as to connect the upper cover and the bottom cover together. The watch component of the timer is arranged on the upper shell of the timer, the watch component and the timer rotate together in the timing process, the displayed time does not have fixed pointing, and the functional information with fixed pointing requirements cannot be displayed on the rotating part.

Disclosure of Invention

The invention aims to provide a mechanical timer which can display fixed pointing functional information in the timing process, has compact structure, easy installation, convenient setting and adjustment and simple maintenance, and is convenient to select functions as required and conforms to the human engineering specification.

In order to solve the problems in the prior art, the technical scheme adopted by the invention is as follows:

the mechanical timer comprises a functional meter head, a timer upper shell, a machine core, a planetary gear train structure and a timer bottom shell, wherein the planetary gear train structure comprises a planetary gear carrier, a sun gear, three planetary gears and a gear ring shell, the planetary gear carrier is fixed on one side of a main shaft gear of the machine core, the sun gear is positioned in the center of the planetary gear train structure and is coaxial with a main shaft of the machine core and is in locking connection with the main shaft gear of the machine core, the planetary gears are arranged on planetary gear shafts of the planetary gear carrier and are respectively meshed with the sun gear and the gear ring, the machine core is respectively in coaxial locking connection with the timer upper shell and the planetary gear carrier according to the downward direction of the main shaft gear; the gear ring shell is arranged between the upper timer shell and the lower timer shell in a constrained manner and can rotate, the functional meter head is embedded and installed in the upper timer shell and fixed, the direction of the functional meter head is unchanged in the timing process, and the functional meter head, the upper timer shell, the movement, the planetary gear train structure and the lower timer shell are assembled from top to bottom.

Furthermore, the planet wheel carrier is a circular ring-shaped sheet component, the number of the planet wheel shafts is three, the three planet wheel shafts are distributed on the planet wheel carrier according to a circular array with equal radius and equal spacing, the planet wheel carrier is provided with bosses, threaded holes are formed in the bosses, and the bosses and the planet wheel shafts are arranged at intervals.

Furthermore, the center of the sun gear is provided with a shaft hole and a circular boss which correspond to the main shaft of the machine core, and the circular boss is provided with a positioning groove matched with the surface of the gear of the main shaft of the machine core in a protruding mode.

Furthermore, the planet gears are duplicate gears consisting of small gears and large gears, and the three planet gears are distributed in a circumferential array with equal radius and equal spacing.

Furthermore, the gear ring shell is formed by locking and connecting a gear ring shell and a gear ring pressing ring, the gear ring shell is a tubular part, the longitudinal section of the gear ring shell is in an L shape which is arranged in an axisymmetric mode, a gear ring is arranged on the inner side of a circular protruding part at the lower part of the gear ring shell, a certain acoustic gap is kept between the inner wall of the upper part of the gear ring shell and the periphery of the metal bell shell on the movement, the gear ring pressing ring is a circular ring-shaped part, the longitudinal section of the gear ring pressing ring is in a L shape which is arranged in an axisymmetric mode, and prompt marks BZ are respectively arranged; the gear ring shell is constrained by radial, axial and gear matching and is arranged between the upper timer shell and the bottom timer shell in a rotatable manner.

Furthermore, the peripheral surface of the circular notch at the upper part of the upper timer shell is provided with functional scales, the bottom end of the upper timer shell is provided with an upper shell boss, and the pointing direction of the upper timer shell is unchanged in the timing process.

Furthermore, a shaft positioning concave hole is formed in the inner bottom surface of the circular recess of the timer bottom shell, and a magnetic column or a fixed adhesive sheet can be embedded into the bottom of the timer bottom shell.

Furthermore, the functional meter head is a functional component capable of displaying specific information and content, the periphery of the upper surface of the functional meter head is provided with a digital scale mark, and the direction of the functional meter head is unchanged in the timing process; an elastic rubber ring is arranged between the functional meter head and the circular notch in the upper part of the upper shell of the timer, and the functional meter head is detachably connected with the upper shell of the timer.

Furthermore, the timer upper shell and the core, the core and the planet wheel carrier, and the planet wheel carrier and the timer bottom shell are connected by screws in a locking way without relative rotation.

Furthermore, the movement is a mechanical ringing timer movement, and a metal bell shell is arranged on the movement.

The invention has the advantages that:

the mechanical timer comprises a functional meter head, a timer upper shell, a machine core, a planetary gear train structure and a timer bottom shell, wherein the planetary gear train structure consists of a planetary gear carrier, a sun gear, a planetary gear and a gear ring shell, the gear ring shell which is arranged between the timer upper shell and the timer bottom shell in a constrained manner is linked with a main shaft of the machine core through the planetary gear train structure, and meanwhile, the timer upper shell, the machine core, the planetary gear carrier and the timer bottom shell are connected in a locking way without rotation, so that the direction of the functional meter head embedded into the timer upper shell is fixed therewith, the function of displaying fixed directional functional information and content when the timer works is realized, the application requirements of the timer are expanded, and the mechanical timer is based on the miniaturization, standardization, diversification and increasing and perfection of the functional meter head, and a user can select installation according to requirements of different scenes to meet the application requirements of different scenes.

The mechanical timer has the advantages that the main shaft of the machine core and the gear ring shell rotate at the same angular speed according to the transmission ratio of 1:1, and the timing period of the existing machine core is not changed. In practical application, the transmission ratio of the planetary gear train can be adjusted according to requirements, so that the main shaft of the machine core and the gear ring shell rotate at different angular speeds, and the application requirements of specific users and specific scenes are met. The mechanical timer of the invention follows the habit cognition of people to the traditional appearance, volume and application environment of the mechanical timer, does not change the use habit of human engineering, namely: clockwise predetermined time, anticlockwise gyration timing, overall design is compact, and the application place is wide. The mechanical timer is characterized in that the timer upper shell, the machine core, the timer bottom shell and the function meter head are connected in an assembling manner, so that the mechanical timer is simple and convenient to disassemble and assemble, and is convenient for a user to perform daily setting adjustment and maintenance.

Drawings

The invention is described in further detail below with reference to the following figures and examples:

FIG. 1 is a 45 degree exploded top view of a mechanical timer according to the present invention;

FIG. 2 is a bottom view of the mechanical timer of the present invention shown exploded at 45 degrees;

FIG. 3 is a 45-degree angle exploded top view of the planetary gear train structure of the mechanical timer of the present invention;

FIG. 4 is a 45-degree exploded bottom view of the planetary gear train structure of the mechanical timer of the present invention;

FIG. 5 is a longitudinal sectional view of the mechanical timer of the present invention;

FIG. 6 is a bottom view of the planetary gear train of the mechanical timer of the present invention;

FIG. 7 is a schematic perspective view of the planetary gear train of the mechanical timer of the present invention;

FIG. 8 is a top plan view of the housing of the ring gear of the mechanical timer of the present invention;

FIG. 9 is a longitudinal cross-sectional axial view of the housing of the gear ring of the mechanical timer of the present invention;

FIG. 10 is a perspective view of a gear ring housing of the mechanical timer of the present invention;

FIG. 11 is a top view of the temperature and humidity gauge head of the mechanical timer of the present invention;

FIG. 12 is a schematic perspective view of a temperature and humidity gauge head of the mechanical timer according to the present invention;

FIG. 13 is a top view of a mechanical timer clock head application of the present invention;

fig. 14 is a perspective view of the mechanical timer head of the present invention.

In the figure: the machine core 1, the planet carrier 2, the planet wheel shaft 21, the screw through hole 22, the boss 23, the threaded hole 24, the metal bell shell 3, the timer bottom shell 4, the upper inner periphery 41 of the circular notch, the shaft positioning concave hole 42, the screw through hole 43, the timer upper shell 5, the notch 51, the function scale 52, the boss periphery 53, the upper shell boss 54, the screw through hole 55, the machine core main shaft 6, the sun wheel 7, the circular boss 71, the positioning groove 72, the machine core main shaft gear 8, the surface bulge 81 of the machine core main shaft gear, the gear ring shell 9, the gear ring 91, the circular bulge part 92, the circular inner periphery 93, the gear ring pressing ring 10, the circular inner periphery 101, the periphery 102, the planet wheel 11, the pinion 111, the bull gear 112, the function meter head 12, the lower part 121 of the function meter.

Detailed Description

The present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited by the specific examples, which are defined by the claims. In addition, any modification or change that can be easily made by a person having ordinary skill in the art without departing from the technical solution of the present invention will fall within the scope of the claims of the present invention.

As shown in fig. 1 and 2, the mechanical timer of the invention comprises a functional watch head 12, a timer upper shell 5, a movement 1, a planetary gear train structure and a timer bottom shell 4. The machine core 1 is the machine core of the existing mechanical bell-ringing timer, and a metal bell shell 3 is arranged on the machine core.

As shown in fig. 3, 4, 6, 7, 10, the planetary gear train structure includes a sun gear 7, a planetary carrier 2, a planetary gear 11, and a ring gear housing. The planet carrier 2 is a circular ring sheet-shaped component, three planet wheel shafts 21 which are distributed according to equal-radius equal-spacing circumferential arrays are arranged on the planet carrier 2, two screw through holes 22 and three circular bosses 23 are simultaneously arranged on the planet carrier 2, and threaded holes 24 are arranged on the circular bosses 23. The planet wheel carrier 2 is arranged on one side of a main shaft gear 8 of the movement, and the planet wheel carrier 2 and the movement 1 are locked and connected by screws without relative rotation. The sun gear 7 is located at the center of the planetary gear train structure, a shaft hole corresponding to the core main shaft 6 is formed in the center of the sun gear 7, is coaxial with the core main shaft 6 and is coaxially locked and connected with the core main shaft gear 8, and the core main shaft 6 rotates together. The sun wheel is provided with a circular boss 71 which is provided with a positioning groove 72 matched with a protrusion 81 on the surface of a main shaft gear of the movement. The planet gears 11 are a duplicate gear structure composed of a pinion gear 111 and a bull gear 112, and the three planet gears 11 are respectively arranged on the planet gear shafts 21 of the planet gear carrier 2 and are distributed in a circumferential array with equal radius and equal spacing. The duplicate gear is respectively meshed with the gear teeth of the sun gear 7 and the gear teeth of the gear ring 91, namely: the pinion 111 meshes with the sun gear 7, and the bull gear 112 meshes with the ring gear 91.

As shown in fig. 2, 4, 5 and 9, the gear ring shell is formed by locking and connecting a gear ring shell 9 and a gear ring pressing ring 10, and is locked and locked into a whole with the lower outer periphery 102 of the gear ring pressing ring 10 through the upper circular inner periphery 93 of the gear ring shell 9. The ring gear shell 9 is a tubular part, the longitudinal section of the ring gear shell is in an L shape with two axisymmetric arrangements, a ring gear 91 at the inner side of a ring-shaped convex part 92 at the lower part of the ring gear shell 9 is engaged with the gear teeth of a large planet gear 112, the periphery of the ring-shaped convex part 92 at the lower part is in radial and axial limit fit with the inner periphery 41 at the upper part of a circular notch of the timer bottom shell 4, the ring gear pressing ring 10 is a ring-shaped part, and the longitudinal section of the ring gear pressing ring is in a L shape with two axisymmetric arrangements. The upper annular inner periphery 101 of the gear ring compression ring 10 is in radial and axial limiting fit with the lower boss outer periphery 53 of the timer upper shell 5. The movement 1 is arranged in the gear ring shell, and a certain acoustic gap is kept between the inner wall of the upper part of the gear ring shell 9 and the periphery of the metal bell shell 3 on the movement 1 so as to meet the acoustic requirement.

As shown in fig. 1, 2, 5 and 12, the gear ring shell is constrained between the timer upper shell 5 and the timer bottom shell 4 and can rotate, the planet wheel 11, the timer upper shell 5 and the timer bottom shell 4 form axial, radial and gear fit constraint, the gear ring shell can coaxially rotate relative to the timer upper shell 5 and the timer bottom shell 4, the planet wheel train is linked with the core spindle gear 8, the clockwise torsion gear ring shell drives the core spindle 6 to rotate for completing time presetting during use, and the core spindle 6 drives the gear ring shell to anticlockwise rotate to an initial position along with the release of the torque of the spring in the timing process.

As shown in fig. 1, 2, 3, 4 and 8, prompt marks BZ are respectively arranged on the outer surfaces of the gear ring shell 9 and the gear ring compression ring 10 of the gear ring shell, the two are aligned and locked, and a digital scale mark 122 on the upper surface of the function meter head 12 and a function scale 52 on the periphery of the surface of the timer upper shell 5 are used as dynamic timing prompts.

As shown in fig. 1 and 2, the lower part of the timer upper shell 5 is locked and connected with the movement 1 by a screw without relative rotation. The functional gauge head 12 is embedded in the circular notch 51 at the upper part, the functional scale 52 is arranged on the periphery of the circular notch 51, and the outer periphery 53 at the lower part is in radial and axial limit fit with the inner periphery 101 of the gear ring pressing ring 10. The bottom end of the upper shell of the timer is provided with an upper shell boss 54, the upper shell boss 54 is provided with a screw through hole 55, and the direction of the upper shell 5 of the timer is unchanged in the timing process.

As shown in fig. 1, 2 and 4, the timer bottom shell 4 is coaxial with the planet wheel carrier 2 and is locked by screws without relative rotation. The inner periphery 41 of the upper part of the circular notch is in radial and axial limit fit with the outer periphery of the annular protruding part 92 of the lower part of the gear ring shell 9, the inner bottom surface of the circular notch of the timer bottom shell 4 is provided with a shaft positioning concave hole 42 corresponding to the planet wheel shaft 21 and the machine core main shaft 6, meanwhile, a screw through hole 43 is arranged, and the bottom of the timer bottom shell 4 can be embedded with a magnetic column or a fixed adhesive sheet.

As shown in fig. 1-3, the functional gauge outfit 12, the timer upper shell 5, the movement 1, the planetary gear train structure and the timer bottom shell 4 are assembled from top to bottom. The machine core 1 is respectively connected with the upper timer shell 5 and the planet wheel carrier 2 in a coaxial locking way downwards according to the main shaft gear 8, the machine core 1 is placed inside the gear ring shell downwards according to the main shaft gear 8, the requirements of human engineering are met when the timer is used, and the operation habit is consistent with that of the existing timer, namely: and (4) presetting the timing time clockwise, and counting the time to the end in the anticlockwise rotation mode.

As shown in fig. 1 and 2, the lower part 121 of the functional gauge head 12 is embedded into the circular notch 51 at the upper part of the timer upper shell 5, the elastic rubber ring 13 is arranged between the functional gauge head and the timer upper shell, the functional gauge head and the timer upper shell are detachably connected, the functional gauge head can be taken out from the timer upper shell 5 at any time for parameter setting, adjustment and maintenance, and different gauge heads can be selected for functional replacement as required, and the digital scale mark 122 is arranged on the periphery of the upper surface of the functional gauge head.

As shown in fig. 11, 12, 13 and 14, the function header 12 is a functional component that can display any specific information and content. The method comprises the following steps: gas detecting gauge head, smoke detecting gauge head, temperature gauge head, humidity, air pressure gauge head, height gauge head, clock liner, picture, memorial tablet, ornament and other functional components.

As shown in fig. 2, in the timing process of the mechanical timer, the timer upper shell 5 and the timer bottom shell 4 are locked, so that the direction of the functional meter head 12 embedded in the timer upper shell 5 is ensured to be unchanged, and the requirement of displaying various fixedly-directed functional information is further met.

As shown in fig. 2, a magnetic column or a fixing adhesive sheet is selectively mounted on the bottom case 4 of the timer for fixing the timer at different application places.

It should be finally noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and are not to be construed as limiting, the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that modifications and equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which shall be covered by the claims of the present invention.