CN201266304Y - Time-hop shock-proof positioning self-locking mechanism - Google Patents
Time-hop shock-proof positioning self-locking mechanism Download PDFInfo
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- CN201266304Y CN201266304Y CNU2008201530471U CN200820153047U CN201266304Y CN 201266304 Y CN201266304 Y CN 201266304Y CN U2008201530471 U CNU2008201530471 U CN U2008201530471U CN 200820153047 U CN200820153047 U CN 200820153047U CN 201266304 Y CN201266304 Y CN 201266304Y
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Abstract
The utility model relates to a clock or a watch mechanism, in particular to a time hopping antiscour locating self-locking mechanism. The time hopping antiscour locating self-locking mechanism comprises a minute wheel, a third wheel, an hour wheel dialing component, a locating wheel component, a locating rod, an hour wheel, and a hour hand; the minute wheel and the third wheel are meshed; the third wheel and an hour wheel dialing gear are meshed; a shifting block of the hour wheel dialing component dials a locating wheel of the locating wheel component; one end of the locating rod is meshed with the gear of the locating wheel; and the plate of the locating wheel is meshed with the minute wheel. The mechanism is characterized in that the hour wheel dialing component also comprises a locating control plate which is a disc provided with an arc notch; the locating wheel component also comprises a locating self-locking plate; the locating self-locking plate is formed by connecting 12 arcs in sequence; and when being arranged on a static position, an arc side of the locating self-locking plate is just stuck with the outer circle of the locating control plate. The time hopping antiscour locating self-locking mechanism effectively overcomes the error locating of the existing time hopping mechanism possibly caused by the existence of inertia, has simple structure, and works stably.
Description
Technical field
The utility model relates to the back gear device field between general clock or table component of machine middle gear group and the pointer, erosion control location self-locking mechanism when being specially a kind of jumping.
Background technology
Clock and watch all are the timing tools of using always, in the mechanism, full after 1 hour when walking, the little hour indicator of mechanical type hour hands or digital display type per hour clockwise direction rotates an angle when jumping commonly used, if made this angle in 12 hours is 30 °, is 15 ° if made this angle in 24 hours.To be made as example in 12 hours, function when realizing the jumping of clock and watch, the mechanism that adopts as shown in Figure 4 at present, erosion control location self-locking mechanism during a kind of jumping, comprise minute wheel 21, third wheel 22, dial hour wheel 23, dial hour wheel 231, shifting block 232, locating wheel 24, locating wheel 241, locating wheel sheet 242, backstay 25, hour wheel 26 and hour hands 27 or digital display hour wheel 28, as shown in Figure 4, concrete structure is: minute wheel 21 that per hour turns around clockwise and third wheel 22 engagements, dialling hour wheel module 23 forms by dialling hour wheel 231 and shifting block 232, shifting block 232 connects an oxygon shape shifting block and forms by a disc seat and at the circumference place, the disc seat of dialling hour wheel 231 and shifting block 232 is connected with one heart and rigidly fixes, locating wheel assembly 24 is connected with one heart and rigidly fixes with locating wheel sheet 242 by locating wheel 241 and forms, wherein locating wheel 241 radiuses are less and locating wheel sheet 242 radiuses are bigger, third wheel 22 also meshes with group hour wheel 231 simultaneously, shifting block 232 is stirred the gear teeth of locating wheel 241 when rotating, backstay 25 1 ends have flank profil and and locating wheel 241 mesh, locating wheel sheet 242 and hour wheel 26 engagements, one end of hour hands 27 or digital display hour wheel 28 is fixed on the hour wheel 26, the number of teeth of minute wheel 21 and group hour wheel 231 all is 14, with the number of teeth of the third wheel 22 of minute wheel 21 engagement be 42, the number of teeth of locating wheel 241 is 12, the number of teeth of locating wheel sheet 242 is 100, and the number of teeth of hour wheel 26 is 20.During use, drive third wheel 22 by the minute wheel 21 that per hour turns around clockwise, drive the gear of dialling in the hour wheel module 23 231 by third wheel 22 again, owing to dial hour wheel module 23 is to be rigidly connected by group hour wheel 231 and shifting block 232 to form, this moment, shifting block 232 will per hour be stirred the locating wheel 241 in the locating wheel assembly 24, locating wheel assembly 24 is rigidly connected by locating wheel 241 and locating wheel wheel sheet 242, and this moment, it is static after turning over 30 ° that locating wheel 241 is instantaneous under the effect of backstay 25.Drive the hour wheel 26 instantaneous angles that turn over by locating wheel sheet 242, hour wheel 26 is loaded onto hour hands 27 or digital display hour wheel 28, can show the concrete time.
Because there is inertia in a whole set of train when rotating, locate failure can appear in backstay 25, it is excessive to cause that locating wheel 241 rotates, and makes hour hands 27 or digital display hour wheel 28 logic errors to cause the hourages and the reality of hour wheel 28 indications of hour hands 27 or digital display very big error to occur.
Summary of the invention
In order to overcome the defective of prior art, provide a kind of and can accurately locate the timing tool that hour hands suppress locate failure, erosion control is located self-locking mechanism when the utility model discloses a kind of jumpings.
The utility model reaches goal of the invention by following technical solution:
Erosion control location self-locking mechanism during a kind of jumping, comprise minute wheel, third wheel, dial hour wheel module, locating wheel assembly, backstay, hour wheel and hour hands or the little hour wheel of digital display, dialling hour wheel module is formed by wheel shaft and group hour wheel, shifting block stiff assembly, the locating wheel assembly is formed by locating wheel and locating wheel sheet stiff assembly, backstay one end have flank profil and and locating wheel mesh, its structure is: increase by a location control strip in dialling hour wheel module, increase by a location self-locking sheet in the locating wheel assembly; The positioning control sheet is a disk, has an arc notch on its cylindrical, and the radius of arc notch is not more than the radius of location from locking plate, and central angle is 30 °; The location is a regular polygon of being made up of 12 circular arcs from locking plate, and the chord length of this circular arc equals the length of side of former positive 12 limit shapes, and its radius equals the radius of positioning control sheet.Positioning control sheet and group hour wheel and the shifting block stiff assembly dialled in the hour wheel module, and described shifting block center overlaps with the center of the arc notch of positioning control sheet.Described location is one side number polygon take turns sheet identical with the locating wheel number of teeth from locking plate, and its every limit is identical interior concave arc, and the cylindrical of this circular arc and positioning control sheet is complementary, locating wheel and the locating wheel sheet stiff assembly of location in locking plate and locating wheel assembly.When rest position, described location has circular arc limit cylindrical proper and the positioning control sheet to fit from locking plate.
Erosion control location self-locking mechanism during described jumping, if be used for the clock and watch of 12 hours systems, its structure is: it is 30 ° from the radius and the central angle of locking plate that the radius of positioning control sheet indentation, there circular arc is not more than the location, the number of teeth of locating wheel is 12, the location is a regular polygon of being made up of 12 circular arcs from locking plate, the chord length of this circular arc equals the length of side of former positive 12 limit shapes, and its radius equals the radius of positioning control sheet (33).
Erosion control location self-locking mechanism during described jumping, if be used for the clock and watch of 24 hours systems, it is characterized in that: it is 15 ° from the radius and the central angle of locking plate that the radius of positioning control sheet indentation, there circular arc is not more than the location, the number of teeth of locating wheel is 24, the location is a regular polygon of being made up of 24 circular arcs from locking plate, the chord length of this circular arc equals the length of side of former positive 24 limit shapes, and its radius equals the radius of positioning control sheet.
When the utility model uses, drive third wheel by the minute wheel that per hour turns around clockwise, drive the hour wheel of dialling in the hour wheel module of dialling by third wheel again, owing to dial hour wheel module is to be rigidly connected by group hour wheel, shifting block and positioning control sheet to form, this moment, shifting block will per hour be stirred the locating wheel assembly, the locating wheel assembly is rigidly connected from locking plate by locating wheel, locating wheel sheet and location, and this moment, it is static after turning over 30 ° or 15 ° that locating wheel is instantaneous under the effect of backstay.Drive the instantaneous angle that turns over of hour wheel by locating wheel, hour wheel is loaded onto hour hands or hour indicator, can show the concrete time.
Continue the trend of rotation if locating wheel is had by inertia effect,, can prevent effectively that therefore locating wheel from breaking through the phenomenon of head because the location is subjected to the restriction of positioning control sheet from the circular arc limit of locking plate.The shifting block of dialling hour wheel module stretches out from the arc gap of positioning control sheet, when shifting block is stirred locating wheel, the arc gap of positioning control sheet can be stepped down to locate and be rotated from locking plate, reorientate when locating the bar that after locking plate rotates 30 ° or 15 °, is positioned, location circumference lucky from the concave arc limit of locking plate and the positioning control sheet coincide, mechanism enters self-locking state immediately, has stoped a whole set of wheel to tie up in the rotary course and has broken through a phenomenon because of inertia is excessive, has guaranteed the working stability of sleeve mechanism.
The location error that mechanism may cause because of there being inertia when the utility model had overcome existing the jumping effectively, simple in structure, working stability.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the front view of positioning control sheet in the utility model;
Fig. 3 is the front view of locating in the utility model from locking plate;
The structural representation of mechanism when Fig. 4 is existing the jumping.
Embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
Erosion control location self-locking mechanism during a kind of jumping, comprise minute wheel 1, third wheel 2, dial hour wheel 31, shifting block 32, positioning control sheet 33, locating wheel 41, locating wheel sheet 42, the location is from locking plate 43, backstay 5, hour wheel 6 and hour hands 7 or digital display hour wheel 8, show as Fig. 1, concrete structure is: minute wheel 1 that per hour turns around clockwise and third wheel 2 engagements, shifting block 32 connects an oxygon shape shifting block and forms by a disc seat and at the circumference place, positioning control sheet 33 as shown in Figure 2, be one the disk of arc gap to be arranged, identical and central angle is 30 ° from the radius of locking plate 43 for the radius of indentation, there circular arc and location, dial hour wheel 31, shifting block 32 is connected with one heart successively with positioning control sheet 33 and rigidly fixes to form dials hour wheel module 3, and shifting block 32 stretches out from arc gap, locating wheel 41 radiuses are less and locating wheel sheet 42 radiuses are bigger, the location from locking plate 43 as shown in Figure 3, it is a regular polygon of forming by 12 circular arcs, the chord length of this circular arc equals the length of side of former positive 12 limit shapes, and its radius equals the radius of positioning control sheet 33.Specifically, the location is identical with the length of side by chord length by each bar limit of positive 12 limit shapes from locking plate 43, central angle all is 30 ° and radius circular arc successively alternative form identical with positioning control sheet 33 disc radius, the arc top of circular arc is all towards the center, locating wheel 41, locating wheel sheet 42 is connected with one heart successively and rigidly fixes from locking plate 43 with the location forms locating wheel assembly 4, the disk of positioning control sheet 33 and location coincide between each section circular arc of locking plate 43 mutually, third wheel 2 also meshes with group hour wheel 31 simultaneously, shifting block 32 is stirred the gear teeth of locating wheel 41 when rotating, backstay 5 one ends have gear and and locating wheel 41 mesh, locating wheel sheet 42 and hour wheel 6 engagements, one end of hour hands 7 or digital display hour wheel 8 is fixed on the hour wheel 6, the number of teeth of minute wheel 1 and group hour wheel 31 all is 14, with the number of teeth of the third wheel 2 of minute wheel 1 engagement be 42, the number of teeth of locating wheel 41 is 12, the number of teeth of locating wheel sheet 42 is 100, and the number of teeth of hour wheel 6 is 20.
When present embodiment uses, drive third wheel 2 by the minute wheel 1 that per hour turns around clockwise, drive group hour wheel of dialling in the hour wheel module 3 31 by third wheel 2 again, owing to dial hour wheel module 3 is to be rigidly connected by group hour wheel 31, shifting block 32 and positioning control sheet 33 to form, this moment, shifting block 32 will per hour be stirred the locating wheel 41 in the locating wheel assembly 4, locating wheel assembly 4 is rigidly connected from locking plate 43 by locating wheel 41, locating wheel sheet 42 and location, this moment, it is static after turning over 30 ° that locating wheel 41 is instantaneous under the effect of backstay 5.Driven by locating wheel sheet 42 that hour wheel 6 is instantaneous to turn over 30 °, hour wheel 6 is loaded onto hour hands 7 or digital display hour wheel 8, can show the concrete time.
If locating wheel 41 is subjected to inertia effect to continue rotation,, can prevent effectively that therefore locating wheel 41 from breaking through the phenomenon of head because the location is subjected to the restriction of positioning control sheet 33 from the circular arc limit of locking plate 43.Shifting block 32 stretches out from the arc gap of positioning control sheet 33, when shifting block 32 is stirred locating wheel 41, the arc gap of positioning control sheet 33 can be stepped down the location from locking plate 43 rotations, reorientate when locating the bar 5 that after locking plate 43 rotates 30 °, is positioned, location circumference lucky from the concave arc limit of locking plate 43 and positioning control sheet 33 coincide, and mechanism enters self-locking state immediately, has stoped a whole set of wheel to tie up in the rotary course, inertia is excessive and break through a phenomenon, has guaranteed the working stability of sleeve mechanism.
Embodiment 2
As using 24 hours systems, the concrete structure of erosion control location self-locking mechanism is during jumping: the number of teeth of locating wheel 41 is 24, dial hour wheel module 3 and also comprise positioning control sheet 33, positioning control sheet 33 is one the disk of arc gap to be arranged, identical and central angle is 15 ° from the radius of locking plate 43 for the radius of indentation, there circular arc and location, locating wheel assembly 4 comprises that also the location is from locking plate 43, the regular polygon that the location is made up of 24 circular arcs from locking plate 43, the chord length of this circular arc equals the length of side of former positive 24 limit shapes, and its radius equals the radius of positioning control sheet 33.Specifically, locate, central angle identical with the length of side by chord length by each bar limit of positive 24 limit shapes from locking plate 43 and all be 15 ° and the radius circular arc identical with positioning control sheet 33 disc radius and substitute successively and form, the arc top of circular arc is all towards the center.Other structures are all same with embodiment 1.
Claims (3)
1. the location of erosion control when jumping self-locking mechanism, comprise minute wheel (1), third wheel (2), dial hour wheel module (3), locating wheel assembly (4), backstay (5), hour wheel (6) and hour hands (7) or the little hour wheel of digital display (8), dialling hour wheel module (3) is formed by wheel shaft and group hour wheel (31), shifting block (32) stiff assembly, locating wheel assembly (4) is formed by locating wheel (41) and locating wheel sheet (42) stiff assembly, backstay (5) one ends have flank profil and and locating wheel (41) mesh, it is characterized in that:
In dialling hour wheel module (3), increase by a location control strip (33), in locating wheel assembly (4), increase by a location self-locking sheet (43);
Described positioning control sheet (33) is a disk, has an arc notch on its cylindrical, and the radius of arc notch is not more than the radius of location from locking plate (43), and central angle is 30 °; The location is a regular polygon of being made up of 12 circular arcs from locking plate (43), and the chord length of this circular arc equals the length of side of former positive 12 limit shapes, and its radius equals the radius of positioning control sheet (33);
Positioning control sheet (33) and group hour wheel (31) and shifting block (32) stiff assembly dialled in the hour wheel module (3), and described shifting block (32) center overlaps with the center of the arc notch of positioning control sheet (33);
Described location is one side number polygon take turns sheet identical with the locating wheel number of teeth from locking plate (43), its every limit is identical interior concave arc, the cylindrical of this circular arc and positioning control sheet (33) is complementary, locating wheel (410) and locating wheel sheet (42) stiff assembly of location in locking plate (43) and locating wheel assembly (4);
When rest position, described location has circular arc limit cylindrical proper and positioning control sheet (33) to fit from locking plate (43).
2. erosion control location self-locking mechanism during jumping as claimed in claim 1, it is characterized in that: it is 30 ° from the radius and the central angle of locking plate (43) that the radius of positioning control sheet (33) indentation, there circular arc is not more than the location, the number of teeth of locating wheel (41) is 12, the location is a regular polygon of being made up of 12 circular arcs from locking plate (43), the chord length of this circular arc equals the length of side of former positive 12 limit shapes, and its radius equals the radius of positioning control sheet (33).
3. erosion control location self-locking mechanism during jumping as claimed in claim 1, it is characterized in that: it is 15 ° from the radius and the central angle of locking plate (43) that the radius of positioning control sheet (33) indentation, there circular arc is not more than the location, the number of teeth of locating wheel (41) is 24, the location is a regular polygon of being made up of 24 circular arcs from locking plate (43), the chord length of this circular arc equals the length of side of former positive 24 limit shapes, and its radius equals the radius of positioning control sheet (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530471U CN201266304Y (en) | 2008-09-12 | 2008-09-12 | Time-hop shock-proof positioning self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201530471U CN201266304Y (en) | 2008-09-12 | 2008-09-12 | Time-hop shock-proof positioning self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266304Y true CN201266304Y (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201530471U Expired - Lifetime CN201266304Y (en) | 2008-09-12 | 2008-09-12 | Time-hop shock-proof positioning self-locking mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN201266304Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808461A (en) * | 2018-07-12 | 2018-11-13 | 国网山东省电力公司济南市长清区供电公司 | A kind of transformer equipment mistaken opening preventer |
-
2008
- 2008-09-12 CN CNU2008201530471U patent/CN201266304Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808461A (en) * | 2018-07-12 | 2018-11-13 | 国网山东省电力公司济南市长清区供电公司 | A kind of transformer equipment mistaken opening preventer |
| CN108808461B (en) * | 2018-07-12 | 2020-03-06 | 国网山东省电力公司济南市长清区供电公司 | Anti-misopening device for substation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090701 |
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| CX01 | Expiry of patent term |