CN210223812U - Miniaturized geneva mechanism - Google Patents
Miniaturized geneva mechanism Download PDFInfo
- Publication number
- CN210223812U CN210223812U CN201920782442.4U CN201920782442U CN210223812U CN 210223812 U CN210223812 U CN 210223812U CN 201920782442 U CN201920782442 U CN 201920782442U CN 210223812 U CN210223812 U CN 210223812U
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- gear
- sheave
- dial
- signal
- selection
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model relates to a miniaturized geneva mechanism, including gear signal sheave, the geneva wheel is selected to the gear, gear signal driver plate and gear selection driver plate, gear signal sheave and gear selection geneva wheel all include the fixed dial plate and the positioning disk that set up in interval, dial the interval on the dial plate and set up half a circle of tooth, form the spacing groove between the adjacent tooth, be equipped with a plurality of arc breachs with the corresponding position of tooth on the positioning disk, one side that the driver plate was selected to gear signal driver plate and gear all is equipped with the driving lever, the opposite side all is equipped with the locking piece, locking piece section shape and arc breach phase-match, the locking piece card makes gear signal sheave or gear selection geneva wheel static in the arc breach, when gear signal driver plate or gear selection driver plate rotate, the locking piece rolls out arc breach, and drive driving lever gear signal sheave or gear selection geneva. The utility model discloses can effectively reduce the diameter of sheave under the prerequisite that satisfies all functions of traditional sheave, realize miniaturized design.
Description
Technical Field
The utility model relates to a tap switch especially relates to a miniaturized geneva mechanism.
Background
Because the traditional grooved wheel integrates the gear shifting function and the positioning function on one disc, the gear shifting function and the circle locking positioning function of the grooved wheel are both considered, so that the diameter of the grooved wheel is larger, and the grooved wheel can be arranged only by a larger internal space. With the development trend of miniaturization of tap changers, if the traditional grooved pulley is still adopted, the miniaturization design of the switch is bound to be restricted, so that the overall dimension of the switch is difficult to further reduce.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a compact miniaturized geneva mechanism.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a miniaturized geneva mechanism, includes gear signal sheave, gear selection sheave, gear signal driver plate and gear selection driver plate, gear signal sheave and gear selection sheave all include the fixed dial plate and the positioning disk that set up in interval, the interval sets up half a circle of tooth on the dial plate, forms the spacing groove between the adjacent tooth, the position corresponding with the tooth on the positioning disk is equipped with a plurality of arc breachs, one side of gear signal driver plate and gear selection driver plate all is equipped with the driving lever, and the opposite side all is equipped with the locking piece, and locking piece section shape and arc breach phase-match, locking piece card make gear signal sheave or gear selection sheave static in the arc breach, and when gear signal driver plate or gear selection driver plate rotated, the locking piece rotated out the arc breach to drive driving lever gear signal sheave or gear selection sheave and rotate.
As a preferred scheme, the gear signal dial and the gear selection dial are fixed on an output shaft of the gear motor, the gear signal sheave and the gear selection sheave are fixed at one end of the gear rotating shaft, the output shaft of the gear motor drives the gear signal dial and the gear selection dial to rotate, and the gear signal dial and the gear selection dial respectively drive the gear signal sheave and the gear selection sheave.
As a preferable scheme, a support is further fixed on the gear signal grooved wheel through a cover plate, a gear disc is fixed on the rack through a support, and when the position of the support on the gear disc changes, a corresponding signal is sent to instruct the permanent magnetic mechanism to act.
The utility model discloses when carrying out miniaturized design improvement to tapping switch, designed a brand-new miniaturized sheave: under the condition of realizing the same gear number, effectively reduce the sheave diameter, new sheave diameter is less than 1/2 of traditional sheave diameter, fine satisfied the demand of switch miniaturization design.
The utility model has the characteristics of it is following: the grooved pulley is designed to be a double-side disc structure, a disc on one side achieves a gear shifting function, a disc on the other side achieves a circle locking and positioning function, the diameter of the grooved pulley can be effectively reduced on the premise that all functions of the traditional grooved pulley are met, and the miniaturization design is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a voltage regulating switch according to the present invention.
Fig. 2 is a schematic structural diagram of the sheave mechanism, the reduction motor and the permanent magnet mechanism of the present invention.
Fig. 3 is the utility model discloses a gear signal sheave or the structure sketch map of gear selection sheave one side.
Fig. 4 is the structure diagram of the other side of the gear signal sheave or the gear selection sheave of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 4, a miniaturized on-load tap changer includes a frame, a voltage regulating module 11, a permanent magnetic mechanism 3 and a speed-reducing motor 4, three voltage regulating modules 11 are arranged on the frame at intervals, the voltage regulating module 11 includes a mounting plate, a gear selection mechanism and a circuit switching mechanism, the circuit switching mechanism includes a switching contact mechanism and a vacuum tube fixed on two sides of the mounting plate respectively, the permanent magnetic mechanism 3 and the speed-reducing motor 4 are arranged on the frame on one side of the voltage regulating module 11, the permanent magnetic mechanism 3 drives the vacuum tube to be closed or disconnected through a voltage regulating rotating shaft 12 penetrating through the three voltage regulating modules 11, the voltage regulating rotating shaft 12 drives the switching contact mechanism to move synchronously, the speed-reducing motor 4 drives the gear selection mechanism fixed on the mounting plate to move through a gear rotating shaft 13 penetrating through the three voltage regulating modules 11, one end of the voltage regulating, the other end is fixed with a gear, and the permanent magnetic mechanism 3 drives the pressure regulating rotating shaft 12 through the meshing of the rack 31 and the gear. The rack 31 is further provided with a signal contact assembly 32, and the rack corresponding to the rack 31 is also provided with the signal contact assembly 32.
The rack body comprises a first frame used for installing the pressure regulating module 11 and a second frame used for installing the speed reducing motor and the permanent magnet mechanism, the first frame and the second frame are fixed through a connecting plate 28, the sheave mechanism is arranged between the first frame and the second frame, the first frame is formed by enclosing and fixing a baffle plate 21, a first insulating rod 23, a second insulating rod 24 and a partition plate 22, the second frame is formed by enclosing and fixing a first mechanism fixing plate 25, a second mechanism fixing plate 26 and a support rod 27, and a plurality of wiring screw rods 241 are further arranged on the outer side of the second insulating rod 24.
The geneva gear mechanism comprises a gear signal dial 18 and a gear selection dial 17 which are fixed on an output shaft of the speed reducing motor 4, and a gear signal geneva wheel 16 and a gear selection geneva wheel 15 which are fixed at one end of the gear rotating shaft 13, wherein the output shaft of the speed reducing motor 4 drives the gear signal dial 18 and the gear selection dial 17 to rotate, and the gear signal dial 18 and the gear selection dial 17 respectively drive the gear signal geneva wheel 16 and the gear selection geneva wheel 15.
The gear signal grooved pulley 16 is further fixed with a support 193 through a cover plate 194, the rack is fixed with a gear disc 192 through a support 191, and when the position of the support 193 on the gear disc 192 changes, a corresponding signal is sent to instruct a permanent magnetic mechanism to act.
The gear signal grooved wheel 16 and the gear selection grooved wheel 15 both comprise a shifting disc 151 and a positioning disc 152 which are fixedly arranged at intervals, a half-circle of teeth 154 are arranged on the shifting disc 151 at intervals, a limiting groove 155 is formed between every two adjacent teeth 154, a plurality of arc-shaped notches 153 are arranged at positions, corresponding to the teeth 154, on the positioning disc 152, shift levers are arranged on one sides of the gear signal shifting disc 18 and the gear selection shifting disc 17, locking blocks are arranged on the other sides of the gear signal shifting disc and the gear selection shifting disc 17, the section shapes of the locking blocks are matched with the arc-shaped notches, the locking blocks are clamped in the arc-shaped notches 153 to enable the gear signal grooved wheel 16 or the gear selection grooved wheel 15 to be static, when the gear signal shifting disc 18 or the gear selection shifting disc 17 rotates, the locking blocks rotate out of the.
It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.
Claims (3)
1. A miniaturized sheave mechanism is characterized by comprising a gear signal sheave (16), a gear selection sheave (15), a gear signal dial (18) and a gear selection dial (17), wherein the gear signal sheave (16) and the gear selection sheave (15) respectively comprise a shifting disc (151) and a positioning disc (152) which are fixedly arranged at intervals, a half-circle of teeth (154) are arranged on the shifting disc (151) at intervals, a limiting groove (155) is formed between every two adjacent teeth (154), a plurality of arc notches (153) are arranged at positions, corresponding to the teeth (154), on the positioning disc (152), a shifting lever is arranged on one side of each of the gear signal dial (18) and the gear selection dial (17), a locking block is arranged on the other side of each of the gear signal sheave and the gear selection dial (17), the section shape of the locking block is matched with the arc notches, and the locking block is clamped in the arc notches (153) to enable the gear signal sheave (16) or the gear selection sheave (, when the gear signal dial (18) or the gear selection dial (17) rotates, the locking block rotates out of the arc-shaped notch (153), and the shifting rod drives the gear signal grooved wheel (16) or the gear selection grooved wheel (15) to rotate.
2. The miniaturized geneva mechanism of claim 1, wherein the gear signal dial (18) and the gear selection dial (17) are fixed on the output shaft of the gear motor (4), the gear signal geneva wheel (16) and the gear selection geneva wheel (15) are fixed on one end of the gear rotating shaft (13), the output shaft of the gear motor (4) drives the gear signal dial (18) and the gear selection dial (17) to rotate, and the gear signal dial (18) and the gear selection dial (17) respectively drive the gear signal geneva wheel (16) and the gear selection geneva wheel (15).
3. The miniaturized geneva gear mechanism according to claim 1, characterized in that the gear signal geneva gear (16) is further fixed with a support (193) through a cover plate (194), the frame is fixed with a gear disc (192) through a bracket (191), and when the position of the support (193) on the gear disc (192) changes, a corresponding signal is sent to instruct the permanent magnet mechanism to act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782442.4U CN210223812U (en) | 2019-05-28 | 2019-05-28 | Miniaturized geneva mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920782442.4U CN210223812U (en) | 2019-05-28 | 2019-05-28 | Miniaturized geneva mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223812U true CN210223812U (en) | 2020-03-31 |
Family
ID=69928397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920782442.4U Active CN210223812U (en) | 2019-05-28 | 2019-05-28 | Miniaturized geneva mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223812U (en) |
-
2019
- 2019-05-28 CN CN201920782442.4U patent/CN210223812U/en active Active
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