CN111766770B

CN111766770B - Mechanical timer

Info

Publication number: CN111766770B
Application number: CN202010730445.0A
Authority: CN
Inventors: 于洋; 于苏函
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2024-09-13
Anticipated expiration: 2040-07-27
Also published as: CN111766770A

Abstract

The invention relates to a mechanical timer, which comprises a functional meter, a timer upper shell, a movement, a planetary gear train structure and a timer bottom shell, wherein the planetary gear train structure consists of a planetary wheel carrier, a sun wheel, a planet wheel 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 way is linked with a main shaft of the movement through the planetary gear train structure, and meanwhile, the locking connection among the timer upper shell, the movement, the planetary wheel carrier and the timer bottom shell is non-rotating, so that the functional meter embedded into the timer upper shell is fixed along with the locking connection, the function of the timer upper shell can display the fixed directional functional information and content during the working process of the timer is realized, the application requirement of a timer is expanded.

Description

Mechanical timer

Technical Field

The invention relates to the field of mechanical bell-type timers, in particular to a mechanical timer capable of displaying fixed directional functional information in a timing process.

Background

The structure of the conventional mechanical bell-type timer consists of a machine core, a bottom shell, an upper shell and an indicating component which is 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 shapes integrally. The working mode is as follows: the upper shell or the indicating component is rotated clockwise for preset time, and after timing begins, the upper shell or the indicating component rotates anticlockwise to an initial position, and the bell is triggered to prompt the end of the 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 the functional information with the fixed pointing requirement cannot be displayed on the rotating component, and the expansion application of the timer is limited. For example, when the mechanical timer is used for timing, if the information or data such as gas index, smoke index, picture, temperature and humidity, clock, atmospheric pressure, air index, altitude and the like which need to be fixedly pointed are required to be displayed on the mechanical timer, the structure of the conventional mechanical timer cannot be realized.

The chinese patent of utility model, publication No. CN208351258U, discloses a multifunctional timer comprising an upper cover, a bottom cover, a watch assembly and a mechanical timer movement. The upper cover has an upper cover cavity. The bottom cover has a lower cover cavity corresponding to the upper cover cavity. The watch component is overlapped in the cavity of the upper cover from top to bottom. The mechanical timer movement is positioned below the watch component and is accommodated in the upper cover cavity and the lower cover cavity, and is fixedly connected with the watch component and the bottom cover respectively so as to connect the upper cover and the bottom cover together. The watch component 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 the fixed pointing requirement cannot be displayed on the rotating component.

Disclosure of Invention

The invention aims to solve the technical problem of providing a mechanical timer which can display the fixed pointing functional information in the timing process, has compact structure, easy installation, convenient and rapid setting and adjustment of functions as required, and simple maintenance, and meets the human engineering specifications.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

The mechanical timer comprises a functional gauge outfit, 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 at the center of the planetary gear train structure and is coaxial with the 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 coaxially and lockingly connected with the timer upper shell and the planetary gear carrier downwards according to the main shaft gear, and the planetary gear carrier is coaxially and lockingly connected with the timer bottom shell; the gear ring shell is arranged between the upper timer shell and the bottom timer shell in a restrained manner and can rotate, the functional meter head is embedded and arranged in the upper timer shell and fixed, the orientation 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 bottom timer shell are assembled from top to bottom.

Further, the planet wheel carrier is a circular ring-shaped sheet-shaped component, three planet wheel shafts are distributed on the planet wheel carrier in an equidistant circumferential array with equal radius, a boss is arranged on the planet wheel carrier, a threaded hole is formed in the boss, and the boss and the planet wheel shafts are arranged at intervals.

Further, the center of the sun gear is provided with a shaft hole corresponding to the main shaft of the movement and a circular boss, and the circular boss is provided with a positioning groove matched with the protrusion on the surface of the gear of the main shaft of the movement.

Further, the planetary gears are duplex gears consisting of small gears and large gears, and the three planetary gears are distributed in an equidistant circumferential array with equal radius.

Further, the gear ring shell is formed by locking and connecting a gear ring shell and a gear ring press ring, the gear ring shell is a tubular part, the longitudinal section of the gear ring shell is in two L shapes which are axially symmetrically arranged, the inner side of a circular protruding part at the lower part of the gear ring shell is provided with a gear ring, the inner wall at the upper part of the gear ring shell keeps a certain acoustic gap with the periphery of the metal bell shell on the movement, the gear ring press ring is a circular part, the longitudinal section of the gear ring press ring is in two L shapes which are axially symmetrically arranged, and the outer surfaces of the gear ring shell and the gear ring press ring are respectively provided with a prompt sign BZ; the gear ring shell is constrained by the cooperation of a radial direction, an axial direction and a gear and is rotatably arranged between the upper timer shell and the bottom timer shell.

Further, the round notch peripheral surface of timer upper portion is equipped with the function scale, and the timer upper shell bottom is provided with the upper shell boss, and the orientation of timer upper shell is unchangeable in the timing process.

Further, a shaft positioning concave hole is formed in the inner bottom surface of the circular notch 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.

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

Further, the upper shell of the timer is connected with the core, the core is connected with the planet carrier, and the planet carrier is connected with the bottom shell of the timer in a locking manner by screws without relative rotation.

Further, the movement is a mechanical bell-type timer movement, and a metal bell shell is arranged on the mechanical bell-type timer movement.

The invention has the advantages and beneficial effects that:

The mechanical timer comprises a functional meter, 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 wheel carrier, a sun wheel, a planet wheel 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 way is linked with a main shaft of the machine core through the planetary gear train structure, and meanwhile, the locking connection among the timer upper shell, the machine core, the planetary wheel carrier and the timer bottom shell is free from rotation, so that the functional meter embedded into the timer upper shell is fixed along with the direction of the functional meter, the function of displaying the fixed directional functional information and content during working of the timer is realized, the application requirement of the timer is expanded, and based on miniaturization, standardization, diversification and increasingly rich and perfect functions of the functional meter, a user can select to install according to requirements of different scenes.

According to the mechanical timer, the main shaft of the movement 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 movement is not changed. The actual application can also adjust the transmission ratio of the planetary gear train according to the needs, so that the main shaft of the movement and the gear ring shell rotate at different angular speeds, thereby meeting the application requirements of specific users and specific scenes. The mechanical timer of the invention follows the habit cognition of people on the traditional appearance, volume and application environment of the mechanical timer, and does not change the use habit of human engineering, namely: the clockwise preset time and the anticlockwise revolution time, the whole design is compact, and the application place is wide. The mechanical timer comprises the upper timer shell, the core, the timer bottom shell and the functional meter head, which are all connected in an assembled mode, and the mechanical timer is convenient to assemble and disassemble and convenient for a user to set, adjust, maintain and maintain daily.

Drawings

The invention is further described in detail below with reference to the attached drawings and examples:

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

FIG. 2 is a bottom view of a 45 degree explosion of the mechanical timer of the present invention;

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

FIG. 4 is a bottom view of a 45 degree explosion of the mechanical timer planetary gear train configuration of the present invention;

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

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

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

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

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

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

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

FIG. 12 is a schematic perspective view of a mechanical timer temperature and humidity header application of the present invention;

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

Fig. 14 is a schematic perspective view of a mechanical timer clock header application of the present invention.

In the figure: the movement 1, the planet carrier 2, the planet wheel shaft 21, the screw through hole 22, the boss 23, the screw hole 24, the metal bell housing 3, the timer bottom housing 4, the circular recess upper inner periphery 41, the shaft positioning concave hole 42, the screw through hole 43, the timer upper housing 5, the recess 51, the function scale 52, the boss outer periphery 53, the upper housing boss 54, the screw through hole 55, the movement spindle 6, the sun wheel 7, the circular boss 71, the positioning groove 72, the movement spindle gear 8, the movement spindle gear surface protrusion 81, the gear ring housing 9, the gear ring 91, the annular protruding part 92, the circular inner periphery 93, the gear ring press ring 10, the annular inner periphery 101, the outer periphery 102, the planet wheel 11, the pinion 111, the large gear 112, the function gauge outfit 12, the function gauge outfit lower portion 121, the digital scale mark 122, and the elastic rubber ring 13.

Detailed Description

The present invention will be described in further detail with reference to the following examples, but the scope of the present invention is not limited to the examples, and the claims should be construed. In addition, any modification or variation which can be easily realized by those skilled in the art without departing from the technical scheme of the present invention falls 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 gauge outfit 12, a timer upper shell 5, a movement 1, a planetary gear train structure and a timer bottom shell 4. The movement 1 is an existing mechanical bell-type timer movement, and a metal bell shell 3 is arranged on the movement.

As shown in fig. 3,4, 6, 7, 10, the planetary gear train structure includes a sun gear 7, a carrier 2, a planet wheel 11, and a ring gear housing. The planetary carrier 2 is a circular sheet-shaped component, three planetary wheel shafts 21 distributed in an equidistant circumferential array with equal radius are arranged on the planetary carrier 2, two screw through holes 22 and three circular bosses 23 are simultaneously arranged on the planetary carrier 2, and threaded holes 24 are arranged on the circular bosses 23. The planet carrier 2 is arranged on one side of a main shaft gear 8 of the movement, and the planet carrier 2 and the movement 1 are connected by a screw in a locking way without relative rotation. The sun gear 7 is positioned at the center of the planetary gear train structure, the center of the sun gear 7 is provided with a shaft hole corresponding to the movement main shaft 6 and is coaxial with the movement main shaft 6, and is coaxially and lockingly connected with the movement main shaft gear 8, and the random movement main shaft 6 rotates together. The sun gear is provided with a circular boss 71, and the boss is provided with a positioning groove 72 matched with a boss 81 on the surface of the spindle gear of the movement. The planetary gears 11 are of a duplex gear structure consisting of a pinion 111 and a large gear 112, and the three planetary gears 11 are respectively arranged on planetary wheel shafts 21 of the planetary wheel carrier 2 and distributed in an equidistant circumferential array with equal radius. The duplicate gear is meshed with the gear teeth of the sun gear 7 and the gear ring 91 respectively, namely: pinion 111 meshes with sun gear 7, and bull 112 meshes with 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 press ring 10, and is buckled and locked with the lower outer periphery 102 of the gear ring press ring 10 into a whole through the upper circular inner periphery 93 of the gear ring shell 9. The gear ring shell 9 is a tubular part, the longitudinal section of the gear ring shell is in an L shape with two axisymmetric settings, the gear ring 91 at the inner side of a circular protruding part 92 at the lower part of the gear ring shell 9 is meshed with the gear teeth of a planet gear big gear 112, the outer periphery of the circular protruding 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 gear ring press ring 10 is a circular part, and the longitudinal section of the gear ring press ring is in a L shape with two axisymmetric settings. The upper annular inner periphery 101 of the gear ring compression ring 10 is in radial and axial limit fit with the outer periphery 53 of the boss at the lower part of the upper timer shell 5. The movement 1 is arranged in the gear ring shell, and the inner wall of the upper part of the gear ring shell 9 keeps a certain acoustic gap with the periphery of the metal bell shell 3 on the movement 1 so as to meet acoustic requirements.

As shown in fig. 1, 2, 5 and 12, the gear ring shell is placed between the upper timer shell 5 and the bottom timer shell 4 in a constraint manner and can rotate, axial, radial and gear cooperation constraint is formed by the planet wheel 11, the upper timer shell 5 and the bottom timer shell 4, and the gear ring shell can coaxially rotate relative to the upper timer shell 5 and the bottom timer shell 4, and is linked with the spindle gear 8 through the planet wheel system, so that the gear ring shell is clockwise twisted to drive the spindle 6 to rotate for a preset time when in use, and the spindle 6 drives the gear ring shell to anticlockwise rotate to an initial position along with the release of the spring torque in the timing process.

As shown in fig. 1, 2, 3, 4 and 8, the outer surfaces of the ring gear shell 9 and the ring gear press ring 10 of the ring gear shell are respectively provided with a prompt sign BZ, which is aligned and locked, and the functional scale 52 corresponding to the number scale mark 122 on the upper surface of the functional gauge outfit 12 and the periphery of the surface of the timer upper shell 5 is used as a dynamic timing prompt.

As shown in fig. 1 and 2, the lower part of the timer upper case 5 and the movement 1 are connected by a screw locking without relative rotation. The functional gauge outfit 12 is embedded in the upper circular notch 51, the functional scale 52 is arranged on the periphery of the circular notch 51, and the lower outer periphery 53 is in radial and axial limit fit with the inner periphery 101 of the ring gear compression 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 planetary carrier 2 and is connected by a screw locking without relative rotation. The upper inner periphery 41 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 planetary gear shaft 21 and the movement main shaft 6, and meanwhile, the bottom of the timer bottom shell 4 is provided with a screw through hole 43, and a magnetic column or a fixed adhesive sheet can be embedded in the bottom of the timer bottom shell 4.

As shown in fig. 1 to 3, the functional head 12, the timer upper case 5, the movement 1, the planetary gear train structure, and the timer bottom case 4 are assembled from top to bottom. The movement 1 is downwards connected with the upper timer shell 5 and the planetary carrier 2 in a coaxial locking way according to the main shaft gear 8, the movement 1 is downwards arranged in the gear ring shell according to the main shaft gear 8, the requirement of human engineering is met when the timer is used, and the operation habit of the movement 1 is consistent with that of the existing timer, namely: the time is preset clockwise, and the counter-clockwise revolution is timed to finish.

As shown in fig. 1 and 2, the lower part 121 of the functional gauge outfit 12 is embedded into the circular notch 51 at the upper part of the timer upper shell 5, an elastic rubber ring 13 is arranged between the upper part and the lower part, the upper surface of the functional gauge outfit and the lower surface of the timer upper shell are fixedly connected through the elastic rubber ring 13 without relative movement, the periphery of the upper surface of the functional gauge outfit is provided with a digital scale mark 122, the orientation is unchanged in the timing process, the functional gauge outfit and the timer upper shell are detachably connected, the functional gauge outfit can be lifted out from the timer upper shell 5 at any time, parameter setting, adjustment and maintenance are performed, and different gauge outfits can be selected as required for functional replacement.

As shown in fig. 11, 12, 13, 14, the function header 12 is a functional unit that can display any specific information and content. Comprising the following steps: gas gauge head, smoke gauge head, temperature gauge head, humidity, barometer head, altimeter head, clock Zhong Dan, pictures, memorial tablets, decorations and other functional components.

As shown in fig. 2, in the timing process of the mechanical timer, the upper timer case 5 and the bottom timer case 4 are locked, so that the orientation of the functional header 12 embedded in the upper timer case 5 is ensured to be unchanged, and the requirement of displaying various functional information with fixed orientation is further realized.

As shown in fig. 2, the timer bottom shell 4 is optionally provided with a magnetic column or a fixed adhesive sheet for fixing different application places of the timer.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and the present invention is described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.

Claims

1. The mechanical timer is characterized by comprising a functional gauge outfit (12), a timer upper shell (5), a machine core (1), a planetary gear train structure and a timer bottom shell (4), wherein 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 spindle gear (8) of the machine core (1), the sun gear (7) is positioned in the center of the planetary gear train structure and is coaxial with the spindle (6) of the machine core and is in locking connection with the spindle gear (8), the planetary gears (11) are arranged on a planetary gear shaft (21) of the planetary gear carrier (2) and are respectively meshed with the sun gear (7) and the gear ring (91), the machine core (1) is respectively in coaxial locking connection with the timer upper shell (5) and the planetary gear carrier (2) downwards according to the spindle gear (8), and the planetary gear carrier (2) is in coaxial locking connection with the timer bottom shell (4); the gear ring shell is arranged between the upper timer shell (5) and the bottom timer shell (4) in a restrained mode and can rotate, the functional meter head (12) is embedded and arranged in the upper timer shell (5) and fixed, the orientation of the functional meter head is unchanged in the timing process, and the functional meter head (12), the upper timer shell (5), the movement (1), the planetary gear train structure and the bottom timer shell (4) are assembled from top to bottom.

2. The mechanical timer according to claim 1, wherein: the planetary wheel carrier (2) is a circular ring-shaped sheet-shaped component, three planetary wheel shafts are distributed on the planetary wheel carrier (2) in an equidistant circumferential array with equal radius, a boss (23) is arranged on the planetary wheel carrier (2), a threaded hole (24) is formed in the boss (23), and the boss and the planetary wheel shafts are arranged at intervals.

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

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

5. The mechanical timer according to claim 1, wherein: the gear ring shell is formed by locking and connecting a gear ring shell (9) and a gear ring press ring (10), the gear ring shell (9) is a tubular part, the longitudinal section of the gear ring shell is in an L shape which is symmetrically arranged on two axes, a gear ring (91) is arranged on the inner side of a lower annular bulge part (92), 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), the gear ring press ring (10) is an annular part, the longitudinal section of the gear ring press ring is in an L shape which is symmetrically arranged on two axes, and prompting marks (BZ) are respectively arranged on the outer surfaces of the gear ring shell (9) and the gear ring press ring (10); the gear ring shell is constrained by the cooperation of a radial direction, an axial direction and a gear and is rotatably arranged between the upper timer shell (5) and the bottom timer shell (4).

6. The mechanical timer according to claim 1, characterized in that the peripheral surface of the circular recess (51) in 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 orientation of the timer upper shell (5) is unchanged during the timing process.

7. The mechanical timer according to claim 1, wherein: the inner bottom surface of the circular notch of the timer bottom shell (4) is provided with a shaft positioning concave hole (42), 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 periphery of the upper surface of the functional gauge outfit (12) is provided with a digital scale mark (122), and the direction of the functional gauge outfit (12) is unchanged in the timing process; an elastic rubber ring (13) is arranged between the functional gauge outfit (12) and the circular notch (51) at the upper part of the timer upper shell (5), and the functional gauge outfit is detachably connected with the timer upper shell (5).

9. Mechanical timepiece according to claim 1, characterized in that the screw locking connection between the timepiece upper case (5) and the movement (1), between the movement (1) and the planet carrier (2), between the planet carrier (2) and the timepiece bottom case (4) is of no relative rotation.

10. A mechanical timepiece according to claim 1, wherein the movement (1) is a mechanical bell-type timepiece movement having a metal bell (3) thereon.