CN210246637U - Speed regulation switch structure of direct current motor - Google Patents
Speed regulation switch structure of direct current motor Download PDFInfo
- Publication number
- CN210246637U CN210246637U CN201921594760.4U CN201921594760U CN210246637U CN 210246637 U CN210246637 U CN 210246637U CN 201921594760 U CN201921594760 U CN 201921594760U CN 210246637 U CN210246637 U CN 210246637U
- Authority
- CN
- China
- Prior art keywords
- switch
- rotating shaft
- speed
- bevel gear
- front side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a speed regulation switch structure of a direct current motor, which comprises a switch shell, wherein the front side of the switch shell is provided with a control switch, a speed regulation knob and a plurality of indicator lamps, the indicator lamps are positioned at the middle position of the front side of the switch shell, the control switch and the speed regulation knob are respectively positioned at the two sides of the indicator lamps, the middle position of the rear side of the speed regulation knob is fixedly provided with a first rotating shaft, the other end of the first rotating shaft penetrates through the front side of the switch shell and extends into the switch shell and is fixedly provided with an active bevel gear, the inner wall of the bottom end of the switch shell is fixedly provided with a fixed plate, the first rotating shaft penetrates through the fixed plate, the fixed plate is positioned between the active bevel gear and the inner wall of the front side of the switch shell, the first rotating shaft is fixedly provided with a stopper, the utility model discloses simple structure, convenient to use, the maintenance is simple, is convenient for detect the speed governing switch whether normal.
Description
Technical Field
The utility model relates to a direct current motor's speed governing switch structure belongs to speed governing equipment technical field.
Background
The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy (dc motor) or convert mechanical energy into dc electrical energy (dc generator), and is a motor that can convert dc electrical energy and mechanical energy into each other. When the motor is used as a motor, the motor is a direct current motor and converts electric energy into mechanical energy; when the generator is operated, the generator is a direct current generator and converts mechanical energy into electric energy.
At present, in many electric tools, the direct current motor is required to operate at different rotating speeds, in the prior art, the rotating speed regulation of the direct current motor is generally realized through a speed regulation switch arranged on a casing of the whole machine, and the speed regulation switch with the structure not only increases the production cost of the whole machine factory, but also has higher assembly difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, provides a direct current motor's speed governing switch structure, the utility model discloses a set up the pilot lamp, can observe whether normal use of speed governing switch, the utility model discloses a set up splicing and lug, can control resistance's increase or reduce to carry out the speed governing to direct current motor, the utility model discloses simple structure, convenient to use, the maintenance is simple, and whether it is normal to be convenient for detect the speed governing switch, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a speed regulation switch structure of a direct current motor comprises a switch shell, wherein a control switch, a speed regulation knob and a plurality of indicator lamps are arranged on the front side of the switch shell, the indicator lamps are arranged at the middle position of the front side of the switch shell, the control switch and the speed regulation knob are respectively arranged on two sides of the indicator lamps, a first rotating shaft is fixedly arranged at the middle position of the rear side of the speed regulation knob, the other end of the first rotating shaft penetrates through the front side of the switch shell and extends into the switch shell and is fixedly provided with a driving bevel gear, a fixed plate is fixedly arranged on the inner wall of the bottom end of the switch shell, the first rotating shaft penetrates through the fixed plate, the fixed plate is arranged between the driving bevel gear and the inner wall of the front side of the switch shell, a limit block is fixedly arranged on the first rotating shaft and is arranged on, the fixed limiting plate that is equipped with on switch shell's the front side inner wall, be equipped with pivot two and resistance box in the switch shell, the resistance box is located the upper portion of pivot two, the top annular of resistance box is fixed and is equipped with a plurality of lugs, the fixed cover in lower part of pivot two is equipped with driven bevel gear, the fixed cover in upper portion of pivot two is equipped with the adapter sleeve, the bottom of adapter sleeve with the top of resistance box is contradicted, the fixed connecting rod that is equipped with on the adapter sleeve, the other end of connecting rod is equipped with the splicing.
Furthermore, the second rotating shaft is located on one side of the driving bevel gear, which is far away from the fixed plate.
Further, the bottom end of the second rotating shaft is rotatably connected with the inner wall of the bottom end of the switch shell, and the top end of the second rotating shaft penetrates through the resistance box and is rotatably connected with the inner wall of the top end of the switch shell.
Further, the top end of the limiting plate is abutted against the bottom end of the limiting block.
Further, the driving bevel gear is engaged with the driven bevel gear.
Further, the tab bottom end interferes with the tab top end.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up the pilot lamp, when using, after opening the switch, if the pilot lamp shows normally, then this device can normally be used, if the pilot lamp does not light or shows abnormally, then need the user to stop using and overhaul it, through the pilot lamp, the user can be convenient observe whether the speed governing switch normally uses, reduce the potential safety hazard;
2. the utility model is provided with the connecting sheet and the lug, when the connecting sheet is collided with the lug, the resistance is in the state of the path, when the connecting sheet is collided with different lugs, the resistance of the path is different, therefore, the speed of the direct current motor can be adjusted by controlling the increase or decrease of the resistance;
3. the utility model discloses simple structure, convenient to use, the maintenance is simple, is convenient for detect the speed governing switch whether normal.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a plan view of the resistance box of the present invention.
Fig. 4 is a schematic structural diagram of the driving bevel gear and the first rotating shaft of the present invention.
Reference numbers in the figures: 1. a switch housing; 2. a control switch; 3. a speed regulation knob; 4. an indicator light; 5. a first rotating shaft; 6. a driving bevel gear; 7. a fixing plate; 8. a limiting block; 9. a limiting plate; 10. a second rotating shaft; 11. a resistance box; 12. a tab; 13. a driven bevel gear; 14. connecting sleeves; 15. a connecting rod; 16. a tab.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-4, a speed-adjusting switch structure of a direct current motor comprises a switch housing 1, a control switch 2, a speed-adjusting knob 3 and a plurality of indicator lamps 4 are arranged on the front side of the switch housing 1, the indicator lamps 4 are located at the middle position of the front side of the switch housing 1, the control switch 2 and the speed-adjusting knob 3 are respectively located at two sides of the indicator lamps 4, a first rotating shaft 5 is fixedly arranged at the middle position of the rear side of the speed-adjusting knob 3, the other end of the first rotating shaft 5 penetrates through the front side of the switch housing 1 to extend into the switch housing 1 and is fixedly provided with a driving bevel gear 6, a fixing plate 7 is fixedly arranged on the inner wall of the bottom end of the switch housing 1, the first rotating shaft 5 penetrates through the fixing plate 7, the fixing plate 7 is located between the driving bevel gear 6 and the inner wall of the front side of the switch, fixed limiting plate 9 that is equipped with on switch housing 1's the front side inner wall, be equipped with two 10 of pivot and resistance box 11 in the switch housing 1, resistance box 11 is located the upper portion of two 10 of pivot, the fixed a plurality of lugs 12 that are equipped with of top annular of resistance box 11, the fixed cover in lower part of two 10 of pivot is equipped with driven bevel gear 13, the fixed cover in upper portion of two 10 of pivot is equipped with adapter sleeve 14, the bottom of adapter sleeve 14 is contradicted with resistance box 11's top, the last fixed connecting rod 15 that is equipped with of adapter sleeve 14, the other end of connecting rod 15 is equipped with.
As shown in fig. 2, the second rotating shaft 10 of the present embodiment is located on a side of the driving bevel gear 6 away from the fixing plate 7, a bottom end of the second rotating shaft 10 is rotatably connected to an inner wall of a bottom end of the switch housing 1, a top end of the second rotating shaft 10 penetrates through the resistor box 11 and is rotatably connected to an inner wall of a top end of the switch housing 1, and the driven bevel gear 13 drives the second rotating shaft 10 to rotate, so as to drive the connecting sleeve 14 to rotate.
As shown in fig. 2 and 4, the top end of the limiting plate 9 of this embodiment abuts against the bottom end of the limiting block 8, and the limiting plate 9 and the limiting block 8 are used in combination to play a role in limiting the rotation of the first rotating shaft 5 in the same direction.
As shown in fig. 2, the driving bevel gear 6 of the present embodiment is in gear engagement with the driven bevel gear 13, and the driving bevel gear 6 rotates to drive the driven bevel gear 13 to rotate.
As shown in fig. 2 and 3, the bottom end of the tab 16 of the present embodiment abuts against the top end of the tab 12, and when the tab 16 abuts against a different tab 12, the resistance is changed to perform the function of changing the speed.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
The utility model discloses the theory of operation: when the direct current motor speed regulation device is used, the control switch 2 is turned on, then the indicator lamp 4 is observed, whether the regulation switch is normal or not is detected, if the regulation switch is normal, the regulation knob 3 is rotated, the first rotating shaft 5 is rotated, the driving conical gear 6 is driven to rotate, the driven conical gear 13 drives the second rotating shaft 10 to rotate, the connecting sleeve 14 is driven to rotate, the splicing pieces 16 are connected with different lugs 12, the size of the connecting resistance is changed, further, the direct current motor is regulated, when the first rotating shaft 5 rotates for a certain angle, the limiting blocks 8 are abutted against the limiting plates 9, the first rotating shaft 5 is limited to continue rotating, at the moment, the regulation knob 3 can be reversely rotated according to needs, whether the speed regulation switch is normally used or not can be observed by arranging the indicator lamp 4, the utility model can control the increase or decrease of the resistance by arranging the splicing pieces 16 and the lugs 12, thereby, the utility model discloses simple structure, convenient to use, the maintenance is simple, is convenient for detect the speed governing switch whether normal.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a direct current motor's speed governing switch structure, includes switch shell (1), its characterized in that: the switch shell (1) is provided with a control switch (2), a speed regulation knob (3) and a plurality of indicator lamps (4) at the front side, the indicator lamps (4) are located at the middle position of the front side of the switch shell (1), the control switch (2) and the speed regulation knob (3) are respectively located at two sides of the indicator lamps (4), a first rotating shaft (5) is fixedly arranged at the middle position of the rear side of the speed regulation knob (3), the other end of the first rotating shaft (5) penetrates through the front side of the switch shell (1) to extend into the switch shell (1) and is fixedly provided with a driving bevel gear (6), a fixing plate (7) is fixedly arranged on the inner wall of the bottom end of the switch shell (1), the first rotating shaft (5) penetrates through the fixing plate (7), and the fixing plate (7) is located between the driving bevel gear (6) and the inner wall of the front side of the switch shell (, a limiting block (8) is fixedly arranged on the first rotating shaft (5), the limiting block (8) is positioned on one side of the fixing plate (7) far away from the driving bevel gear (6), a limit plate (9) is fixedly arranged on the inner wall of the front side of the switch shell (1), a second rotating shaft (10) and a resistance box (11) are arranged in the switch shell (1), the resistance box (11) is positioned at the upper part of the second rotating shaft (10), a plurality of lugs (12) are annularly and fixedly arranged at the top end of the resistance box (11), a driven conical gear (13) is fixedly sleeved at the lower part of the second rotating shaft (10), a connecting sleeve (14) is fixedly sleeved on the upper part of the second rotating shaft (10), the bottom end of the connecting sleeve (14) is abutted against the top end of the resistance box (11), the connecting sleeve (14) is fixedly provided with a connecting rod (15), and the other end of the connecting rod (15) is provided with a connecting piece (16).
2. A speed-regulating switch structure of a dc motor according to claim 1, characterized in that: the second rotating shaft (10) is located on one side, far away from the fixed plate (7), of the driving bevel gear (6).
3. A speed-regulating switch structure of a dc motor according to claim 1, characterized in that: the bottom of pivot two (10) with switch housing (1) bottom inner wall rotates to be connected, the top of pivot two (10) is run through resistance box (11) and with the top inner wall of switch housing (1) rotates to be connected.
4. A speed-regulating switch structure of a dc motor according to claim 1, characterized in that: the top end of the limiting plate (9) is abutted against the bottom end of the limiting block (8).
5. A speed-regulating switch structure of a dc motor according to claim 1, characterized in that: the driving bevel gear (6) is in gear engagement with the driven bevel gear (13).
6. A speed-regulating switch structure of a dc motor according to claim 1, characterized in that: the bottom end of the connecting piece (16) is interfered with the top end of the convex piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921594760.4U CN210246637U (en) | 2019-09-19 | 2019-09-19 | Speed regulation switch structure of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921594760.4U CN210246637U (en) | 2019-09-19 | 2019-09-19 | Speed regulation switch structure of direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246637U true CN210246637U (en) | 2020-04-03 |
Family
ID=69966373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921594760.4U Expired - Fee Related CN210246637U (en) | 2019-09-19 | 2019-09-19 | Speed regulation switch structure of direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756177A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Motor device capable of avoiding fault caused by temperature surge |
-
2019
- 2019-09-19 CN CN201921594760.4U patent/CN210246637U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756177A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Motor device capable of avoiding fault caused by temperature surge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101508106B (en) | Electrical power tools | |
| CN101941192B (en) | Electric tool | |
| CN210246637U (en) | Speed regulation switch structure of direct current motor | |
| CN102102627A (en) | Wind driven generator speed limiting device | |
| CN202293989U (en) | Full-automatic embossing machine | |
| CN204049197U (en) | A kind of safe squeezed juice cup | |
| CN209414550U (en) | Open and close gear, gear assembly and the cable stripping device with it | |
| CN204167671U (en) | Hand electric paint scraper | |
| CN110194412A (en) | Gripping apparatus and materials-taking machine | |
| CN109236987A (en) | Open and close gear, gear assembly and the cable stripping device with it | |
| CN201560340U (en) | High-speed cloth-cutting machine | |
| CN210850127U (en) | Electric tool with two power sources | |
| CN212752038U (en) | Electric device for locking hub of wind generating set | |
| CN205260968U (en) | Electric actuator | |
| CN207282430U (en) | A kind of on off state instruction device | |
| CN106206196A (en) | Energy storage electric moral conduct process control antioverloading arrangement of clutch | |
| CN205004202U (en) | A clutch for two power automatic transfer switch | |
| CN208536027U (en) | A kind of fast opening mechanism of boiler of power plant by-pass damper door | |
| CN213818458U (en) | Practical household appliance's circuit board controller | |
| CN201776687U (en) | Electric grinder capable of instantly stopping | |
| CN201783868U (en) | Speed regulating structure of electric grinder | |
| CN206154086U (en) | Electronic grinding machine with switching formula magnetic resistance motor | |
| CN205257750U (en) | Protection device of escalator | |
| CN213935983U (en) | Remote closing device of electric power cabinet | |
| CN207124534U (en) | A kind of motor protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20200919 |