Timer

Abstract

The present application provides a timer, comprising a base, a driving shaft, and an indicator arm, wherein the driving shaft is rotatably mounted on the base and selectively rotates relative to the base; the indicator arm comprises a second holder and a plurality of clock blocks; the second holder is rotatably connected to the driving shaft; each clock block comprises a second block body and a second gear; the second block body is rotatably connected to the second holder; the second gear is fixedly connected to the second block body; the second gear selectively rotates around the driving shaft; at least one second protrusion is correspondingly provided on a rotation path of the second gear around the driving shaft; the second gear is provided with second tooth slots; the second protrusion selectively extends into the second tooth slots to drive the second gear to rotate relative to the second holder, thereby driving the clock blocks to rotate relative to the second holder.

Description

A timer TECHNICAL FIELD

[0001] The present application relates to the field of time measuring devices, in particular to a timer. BACKGROUND

[0002] As a timing tool, timers are widely used. There are many types of timers, such as clocks, mechanical watches, electronic watches, etc. In order to accurately time, the existing timer often uses minute and second hands to display time, but the user needs to correspond to the numbers on the dial when reading, and due to the complex mechanical structure, timing errors are easy to occur, and if an electronic digital display is used, a battery is needed to provide power, which needs to be replaced or charged frequently, which is very troublesome for long-term use. SUMMARY

[0003] Therefore, it is necessary to provide a timer to solve at least one of the above problems.

[0004] The present application provides a timer, comprising:

[0005] a base;

[0006] a drive shaft rotatably mounted on the base, the drive shaft being selectively rotatable relative to the base;

[0007] an indicator arm, the indicator arm comprising a second support and a plurality of clock blocks, the second support being rotatably connected to the drive shaft, the clock block comprising a second block and a second gear, the second block being rotatably connected to the second support, the second gear being fixedly connected to the second block, the second gear being selectively rotatable about the drive shaft, at least one second protrusion being correspondingly provided on a rotation path of the second gear about the drive shaft, the second gear having a second tooth groove, the second protrusion being selectively inserted into the second tooth groove to drive the second gear to rotate relative to the second support, thereby driving the clock block to rotate relative to the second support.

[0008] Further, the number of clock blocks is 2.

[0009] Further, the second support comprises a second shaft and a second hollow, the clock block is provided with a second shaft hole corresponding to the second shaft, the second shaft passes through the second shaft hole and is fixed in the second hollow, and the clock block is rotatably connected to the second shaft through the second shaft hole.

[0010] Further, the second block has a plurality of second number surfaces arranged around the second shaft, and the projections of the plurality of second number surfaces on a plane perpendicular to the axial direction of the second shaft are regular hexagons.

[0011] Further, the base comprises a base plate and a carrier plate, the carrier plate is slidably connected to the base plate, the indicating arm is fixed to the carrier plate, and the carrier plate is selectively slidable on the surface of the base plate around the driving shaft.

[0012] Further, the indicating arm comprises a first connecting column, the carrier plate is provided with a first groove, the first connecting column is clamped in the first groove, and the indicating arm is fixed to the carrier plate through the first connecting column.

[0013] Further, a dial plate is further included, the dial plate is fixedly connected to the base, the dial plate comprises a minute block and a first support, the first support comprises a first hollow part corresponding to the minute block, and the minute block is located in the first hollow part and is rotatably connected to the first support.

[0014] Further, the first support further comprises a first shaft part corresponding to the minute block, the first support further has a third shaft hole, the first shaft part is fixedly connected to the third shaft hole, and the minute block is rotatably connected to the first shaft part.

[0015] Further, the minute block comprises a first block and a first gear, the first block is rotatably connected to the first support, the first gear is fixedly connected to the first block, the first gear is selectively movable relative to the base, at least one first protrusion is arranged on the moving path of the first gear relative to the base, the first gear has a first gear slot, and the first protrusion is selectively extended into the first gear slot to drive the first gear to rotate relative to the first support so as to drive the first block to rotate relative to the first support.

[0016] Further, the first support further comprises a first through hole corresponding to the indicating arm, and the indicating arm is located in the first through hole.

[0017] The above-mentioned timer is convenient for user reading due to the time displayed by numbers, is not easy to produce error in timing due to simple structure, and is convenient for user long-time use due to no need of using battery for power supply. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are only used for illustrative description, and cannot be understood as limitation to the patent; same reference signs are used for same structure and same function components. Among them:

[0019] Fig. 1 is a schematic diagram of the overall structure of the timer of one embodiment of the application;

[0020] Fig. 2 is a schematic diagram of the exploded structure of the timer of one embodiment of the application;

[0021] Fig. 3 is a sectional view of a timer according to an embodiment of the present application;

[0022] Fig. 4 is a schematic view of a timer according to another embodiment of the present application;

[0023] Fig. 5 is a schematic view of a second bracket according to an embodiment of the present application;

[0024] Fig. 6 is a schematic view of an assembly structure of a base and an indicating arm according to an embodiment of the present application;

[0025] Fig. 7 is a schematic view of a clock block according to an embodiment of the present application;

[0026] Fig. 8 is a schematic view of a minute block according to an embodiment of the present application;

[0027] Fig. 9 is a schematic view of a timer according to an embodiment of the present application in use;

[0028] Fig. 10 is a schematic view of a timer according to another embodiment of the present application in use;

[0029] BRIEF DESCRIPTION OF DRAWINGS Timer - 100; dial - 1; minute block - 11; first gear - 111; first tooth slot - 112; first number surface - 113; first block - 114; first shaft hole - 115; first bracket - 12; first mounting hole - 121; first shaft - 122; first hollow - 123; third shaft hole - 124; first through hole - 125; first inner wall - 126; indicating arm - 2; clock block - 21; second gear - 211; second tooth slot - 212; second number surface - 213; second block - 214; second shaft hole - 215; cover assembly - 22; second bracket - 23; second mounting hole - 231; first fastener - 232; second shaft - 233; second hollow - 234; bayonet - 235; second inner wall - 236; first connecting column - 24; base - 3; bottom plate - 31; groove - 311; first protrusion - 32; first guide surface - 33; second connecting column - 34; second guide plane - 35; first groove - 36; drive shaft - 37; second protrusion - 38; carrier plate - 39; guide ring - 310. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. In the description of the embodiments of the present application, unless otherwise specified, " / " represents the meaning of or, for example, A / B can represent A or B; in this document, "and / or" is merely a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, A and B together, and B alone. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0031] Hereinafter, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features.

[0032] In the description of the embodiments, unless otherwise specified, the meaning of "multiple" is two or more than two.

[0033] Please refer to FIGS. 1-8, the present application provides a timer 100, comprising a dial 1, an indicating arm 2 and a base 3, the dial 1 and the indicating arm 2 are both mounted on the base 3.

[0034] In the present embodiment, the base 3 comprises a bottom plate 31, which is mainly used to support and install the components of the timer 100.

[0035] In the present embodiment, the base 3 further comprises a carrier plate 39, the bottom plate 31 has a groove matching the outer contour of the carrier plate 39, and the carrier plate 39 is installed in the groove 311.

[0036] In the present embodiment, the base 3 further comprises a drive shaft 37, the middle of the bottom plate 31 has a through hole, one end of the drive shaft 37 is fixed in the through hole, and the carrier plate 39 can selectively rotate around the drive shaft 37 under the guidance of the groove 311.

[0037] In the present embodiment, one end of the drive shaft 37 is fixed with a gear, and a power source such as a motor drives the drive shaft 37 to rotate through the gear to provide driving force for the drive shaft 37. It can be understood that in some embodiments, the power source can be of other types, and the gear can be changed to other transmission forms, as long as it can drive the drive shaft 37 to move.

[0038] In the present embodiment, the indicating arm 2 comprises two clock blocks 21 arranged opposite to each other, which are used to indicate the number of hours.

[0039] In the embodiment, the indicating arm 2 further comprises a second support 23 and a cover assembly 22, the second support 23 is arranged corresponding to the driving shaft 37, the second support 23 is provided with a through hole corresponding to the position of the driving shaft 37, the other end of the driving shaft 37 passes through the through hole and is fixedly connected with the cover assembly 22, so that the second support 23 is fixed to the driving shaft 37, when the driving shaft 37 rotates, the second support 23 rotates with the driving shaft 37, so that the indicating arm 2 rotates with the driving shaft 37.

[0040] In the embodiment, the second support 23 comprises a first fastener 232, the other end of the driving shaft 37 is fixedly connected to the driving shaft 37 through the first fastener 232, specifically, the first fastener 232 can be a screw, a bolt, a rivet and the like, but is not limited thereto, so that the second support 23 is stably fixedly connected with the driving shaft 37.

[0041] In the embodiment, the indicating arm 2 comprises two first connecting columns 24 arranged oppositely, both of which are located on the side of the second support 23 facing the carrier plate 39 and are distributed on both sides of the clock block 21.

[0042] In the embodiment, the second support 23 further comprises two second mounting holes 231, the two second mounting holes 231 are arranged corresponding to the two first connecting columns 24 respectively, the two first connecting columns 24 are clamped in the two second mounting holes 231 respectively, so that the first connecting column 24 is fixedly connected with the second support 23.

[0043] In the embodiment, the carrier plate 39 is provided with a first recess 36 corresponding to the position of each of the two first connecting columns 24, the first connecting column 24 is accommodated in the first recess 36, so that the second support 23 can rotate under the push of the first recess 36 and rotate with the carrier plate 39.

[0044] In this embodiment, the second support 23 comprises two second hollows 234 distributed on two sides of the cover assembly 22 and oppositely arranged, and two second shafts 233, the two second hollows 234 correspond to the two clock blocks 21 respectively, the two second shafts 233 are located in the two second hollows 234 respectively, the second hollow 234 has a clamping hole 235 at the second inner wall 236 corresponding to the two ends of the second shaft 233 respectively, the two clock blocks 21 are also located in the two second hollows 234 respectively and rotatably mounted on the corresponding second shaft 233, specifically, the clock block 21 is provided with a second shaft hole 215 corresponding to the second shaft 233, one end of the second shaft 233 is clamped in the corresponding clamping hole 235, the other end of the second shaft 233 passes through the second shaft hole 215 and is clamped in the corresponding clamping hole 235, in this way, the second shaft 233 is fixedly connected to the second inner wall 236 of the second hollow 234, the clock block 21 is rotatably connected to the second shaft 233, when the second support 23 rotates with the driving shaft 37, the clock block 21 rotates around the driving shaft 37.

[0045] In this embodiment, the clock block 21 comprises a second gear 211 and a second block 214, the second gear 211 is fixed to the second block 214, the second block 214 and the second gear 211 are rotatably connected to the second shaft 233, in this way, the second gear 211 rotates around the second shaft 233 to drive the clock block 21 to rotate around the second shaft 233.

[0046] In this embodiment, the base 3 is provided with a guide ring 310 corresponding to the rotation path of the second gear 211, the guide ring 310 has a second guide surface 35 close to and along the rotation path of the second gear 211.

[0047] In this embodiment, the second guide surface 35 has a second protrusion 38 located in the rotation path of the second gear 211, the second gear 211 has a plurality of second tooth grooves 212, when the second gear 211 rotates around the driving shaft 37 and passes through the second protrusion 38, the second protrusion 38 extends into and is closest to the second tooth groove 212 corresponding to the second protrusion 38, in this way, under the rotation of the second gear 211 around the driving shaft 37, the second gear 211 rotates around the second shaft 233 to drive the clock block 21 to rotate around the second shaft 233 as a whole.

[0048] In this embodiment, the second block 214 has a second number surface 213, the second number surface 213 is engraved with the number of hours, in this way, the clock block 21 can be used to indicate the number of hours.

[0049] In the embodiment, the projection of the clock block 21 on the plane perpendicular to the axial direction of the second shaft 233 is a regular hexagon, and the clock block 21 has only six second number surfaces 213, and the six second number surfaces 213 of one of the two clock blocks 21 are respectively engraved with the hour numbers 1, 3, 5, 7, 9, and 11, and the six second number surfaces 213 of the other clock block 21 are respectively engraved with the hour numbers 2, 4, 6, 8, 10, and 12.

[0050] In the embodiment, the dial plate 1 includes 13 minute blocks 11, and the 13 minute blocks 11 are respectively used to indicate the minute numbers 00, 05, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, and 00, and the 13 minute blocks 11 are distributed in a semicircle around the indicating arm 2 and form a semicircular area for displaying the minutes, and the second protrusion 38 is located on the opposite side of the minute block 11 indicating the minute number 30.

[0051] In the embodiment, the dial plate 1 further includes a first support 12, and the first support 12 has a first mounting hole 121, and the bottom plate 31 is provided with a second connecting column 34 corresponding to the first mounting hole 121, and the second connecting column 34 is clamped in the first mounting hole 121, so that the first support 12 is fixedly connected to the bottom plate 31.

[0052] In the embodiment, the first support 12 includes a first through hole 125 arranged corresponding to the indicating arm 2, and the indicating arm 2 is located in the first through hole 125, so that the indicating arm 2 has sufficient space to rotate with the driving shaft 37.

[0053] In the embodiment, the first support 12 further includes a first hollow 123 arranged along the peripheral direction around the first through hole 125 and corresponding to the minute blocks 11, and 13 first shafts 122 respectively corresponding to the 13 minute blocks 11, and the 13 first shafts 122 are all located in the first hollow 123, and the first hollow 123 respectively has a third shaft hole 124 at the first inner wall 126 corresponding to the two ends of the first shaft 122, and the 13 minute blocks 11 are also located in the first hollow 123 and are respectively rotatably installed on the corresponding first shaft 122, specifically, the minute block 11 is provided with a first shaft hole 115 corresponding to the first shaft 122, one end of the first shaft 122 is clamped in the corresponding third shaft hole 124, and the other end of the first shaft 122 passes through the first shaft hole 115 and is clamped in the corresponding third shaft hole 124, so that the first shaft 13 is fixedly connected to the first inner wall 126 of the first hollow 123, and the minute block 11 is rotatably connected to the first shaft 122.

[0054] In the present embodiment, the minute block 11 comprises a first gear 111 and a first block 114, the first gear 111 is fixed to the first block 114, the first block 114 and the first gear 111 are both rotatably connected to the first shaft 122, thus, the first gear 111 rotates around the first shaft 122 to drive the first block 114 to rotate around the first shaft 122.

[0055] In the present embodiment, the carrier plate 39 has a first guide surface 33 on the side facing the first gear 111, the first guide surface 33 is annular and extends along the distribution direction of the first gear 111, the annular first guide surface 33 has a pair of adjacent first protrusions 32 on the side corresponding to one clock block 21, and has another pair of adjacent first protrusions 32 on the side corresponding to another clock block 21, by adjusting the angle of rotation of the carrier plate 39, the two adjacent first protrusions 32 can be adjusted to correspond to any two adjacent first gears 111 among the 13 first gears 111.

[0056] In the present embodiment, the first gear 111 has a plurality of first tooth grooves 112, when the first protrusions 32 pass through the first gear 111 as the carrier plate 39 rotates around the drive shaft 37, the first protrusions 32 extend into the first tooth grooves 112 facing and closest to the first guide surface 33, thus, the first gear 111 rotates around the first shaft 122 under the driving of the rotation of the carrier plate 39 around the drive shaft 37, thereby driving the whole minute block 11 to rotate around the first shaft 122.

[0057] In the present embodiment, the projection of the minute block 11 on the plane perpendicular to the axial direction of the first shaft 122 is a square, the minute block 11 has four first number surfaces 113, two opposite first number surfaces 113 among the four first number surfaces 113 are engraved with the same minute number, thus, the minute block 11 can be used to indicate the minute number.

[0058] Please refer to FIG. 9 and FIG. 10, in use, when the clock block 21 indicating the hour number n rotates from the vicinity of the minute block 11 indicating the minute number 00 at the starting position of the semicircular area displaying the minutes into the semicircular area displaying the minutes, and the other clock block 21 indicating the hour number n is opposite to the clock block 21 indicating the hour number n-1; under the action of the driving shaft 37, the indicating arm 2 rotates with the driving shaft 37, and the carrier plate 39 fixed to the second support 23 rotates, and the pair of adjacent first protrusions 32 corresponding to the clock block 21 indicating the hour number n rotates with the carrier plate 39; when the clock block 21 indicating the hour number n rotates to gradually point to the minute block 11 indicating the minute number mm, one of the pair of adjacent first protrusions 32 gradually extends into the first tooth groove 112 of the first gear 111 corresponding to the minute block 11 indicating the minute number mm and pushes the first gear 111 to rotate to make the first number surface 113 corresponding to the minute block 11 point upward, so that the minute block 11 indicates the minute number mm, and the other of the pair of adjacent first protrusions 32 gradually extends into the first tooth groove 112 of the first gear 111 corresponding to the minute block 11 indicating the minute number mm-5 adjacent to the previous minute block 11 indicating the minute number mm-5, so as to rotate the minute block 11 indicating the minute number mm-5 to make the surface displaying the number empty corresponding to the minute block 11 point upward, and then make it indicate the minute number empty; when the clock block 21 indicating the hour number n rotates to be opposite to the minute block 11 indicating the minute number 30, and the other clock block 21 indicating the hour number n-1 opposite to the clock block 21 indicating the hour number n rotates to the position where the second protrusion 38 on the opposite side of the clock block 21 is located, at this time, the clock block 21 rotates around the second shaft member 233 under the driving of the rotating movement trend of the clock block 21 around the driving shaft 37, so as to make the second gear 211 rotate around the second shaft member 233 and drive the clock block 21 to rotate around the second shaft member 233, and then make the clock block 21 indicate the hour number n+1; when the clock block 21 indicating the hour number n rotates away from the semicircular area displaying the minutes from the vicinity of the minute block 11 indicating the minute number 00 at the ending position of the semicircular area displaying the minutes, the clock block 21 indicating the hour number n+1 rotates from the vicinity of the minute block 11 indicating the minute number 00 at the starting position of the semicircular area displaying the minutes into the semicircular area displaying the minutes.

[0059] The timer 100 has the advantages that: the time is displayed by numbers, so it is convenient for users to read; the structure is simple, so the time counting is not easy to be wrong; no battery is needed, so it is convenient for users to use for a long time; the indication arm 2 points to which minute block 11, which minute block 11 displays the indicated minute number, and the rest of the minute blocks 11 are all displayed as empty, so the interestingness of use is increased; the first connecting column 24 of the indication arm 2 is only accommodated in the first groove 36 on the carrier plate 39, but the carrier plate 39 does not bear the indication arm 2 in the direction of gravity, so the bearing of the driving shaft 37 can be reduced, and the reliability of the driving of the driving shaft 37 is increased; and one end of the second shaft member 233 is clamped in the corresponding socket 235 by a wedge connection similar to a mortise and tenon structure, so the problem that the screw is easy to fall off in the scheme of screw connection is avoided, and the reliability of the connection is increased.

[0060] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and it is intended that all changes and modifications which come within the meaning and range of equivalency of the claims are resolvable thereunder. Any reference signs in the claims should not be construed as limiting the claims. The above description is merely one specific implementation of the present application, but the scope of the present application is not limited thereto. Any change or substitution within the technical scope disclosed in the present application should be covered in the scope of the present application. Therefore, the scope of the present application should be defined by the scope of the claims.

Claims

1. A timepiece characterized by comprising: The application relates to a clock, which comprises: a base; a driving shaft rotatably mounted on the base, the driving shaft being selectively rotatable relative to the base; an indicating arm, the indicating arm comprising a second support rotatably connected to the driving shaft and a plurality of clock blocks, each clock block comprising a second block rotatably connected to the second support and a second gear fixedly connected to the second block, the second gear being selectively rotatable about the driving shaft, the second gear having a second tooth slot and at least one second protrusion corresponding to the second tooth slot, the second protrusion being selectively extendable into the second tooth slot to drive the second gear to rotate relative to the second support and thereby drive the clock block to rotate relative to the second support.

2. The timer according to claim 1, wherein, The number of the clock blocks is two.

3. The timer of claim 1, wherein, The second support comprises a second shaft and a second hollow, the clock block has a second shaft hole corresponding to the second shaft, the second shaft passes through the second shaft hole and is fixed in the second hollow, and the clock block is rotatably connected to the second shaft through the second shaft hole.

4. The timer according to claim 3, wherein, The second block has a plurality of second number surfaces arranged around the second shaft, and the projections of the plurality of second number surfaces on a plane perpendicular to the axial direction of the second shaft are regular hexagons.

5. The timer of claim 1, wherein, The base comprises a bottom plate and a carrier plate, the carrier plate is slidably connected to the bottom plate, the indicating arm is fixed to the carrier plate, and the carrier plate is selectively slidable on the surface of the bottom plate about the driving shaft.

6. The timer of claim 5, wherein, The indicating arm comprises a first connecting column, the carrier plate has a first groove, and the first connecting column is clamped in the first groove, so that the indicating arm is fixed to the carrier plate through the first connecting column.

7. The timer of claim 1, wherein, The application further comprises a dial plate fixedly connected to the base, the dial plate comprises a minute block and a first support, the first support comprises a first hollow corresponding to the minute block, and the minute block is located in the first hollow and is rotatably connected to the first support.

8. The timer of claim 7, wherein, The first support further comprises a first shaft corresponding to the minute block, and the first support has a third shaft hole, the first shaft is fixedly connected to the third shaft hole, and the minute block is rotatably connected to the first shaft.

9. The timer of claim 8, wherein, The minute block comprises a first block rotatably connected to the first support and a first gear fixedly connected to the first block, the first gear is selectively movable relative to the base, the first gear has at least one first protrusion corresponding to the movement path of the first gear relative to the base, and the first protrusion is selectively extendable into a first tooth slot of the first gear to drive the first gear to rotate relative to the first support and thereby drive the first block to rotate relative to the first support.

10. The timer of claim 7, wherein, The first support further comprises a first through hole corresponding to the indicating arm, and the indicating arm is located in the first through hole.

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