CN210806978U - DC speed reducing motor - Google Patents
DC speed reducing motor Download PDFInfo
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- CN210806978U CN210806978U CN201922134437.5U CN201922134437U CN210806978U CN 210806978 U CN210806978 U CN 210806978U CN 201922134437 U CN201922134437 U CN 201922134437U CN 210806978 U CN210806978 U CN 210806978U
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- speed reducing
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Abstract
The utility model relates to a direct current speed reduction motor, which comprises a direct current motor, a cover plate, an output gear and a speed reduction mechanism, wherein the speed reduction mechanism comprises a mandrel, a first speed reduction gear and a second speed reduction gear are coaxially arranged on the mandrel, the first speed reduction gear is meshed with a third speed reduction gear at the output end of the direct current motor, and the direct current motor is connected with the third speed reduction gear through a motor driving rod; the second reduction gear is meshed with the fourth reduction gear, and the output gear is connected with the fourth reduction gear through an output shaft; the first reduction gear and the fourth reduction gear are large gears, the second reduction gear and the third reduction gear are small gears, and the radius of the first reduction gear is smaller than the radius sum of the second reduction gear and the fourth reduction gear. Through setting up four reducing gear of mutual gear engagement just can give output gear with direct current motor's power transmission, simple structure, required power dissipation of unblanking is low, can directly use the dry battery to concatenate the power supply, and battery long service life satisfies the requirement of exempting from the quick installation of cloth electric wire.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to direct current gear motor.
Background
The electronic lock gives an unlocking signal through external card swiping, fingerprint or face recognition, and then the motor drives the transmission gear to rotate to directly open the lock tongue; the electronic lock on the market generally adopts a motor, a household 220V control box needs to be converted into direct current 12V power supply, and therefore wiring must be arranged on a door, and the electronic lock is complex in structure and not attractive.
The motor that has now adopted consumes power height, and the battery life who adopts is short, and the locking force is little, unsatisfied electronic lock's switch, and it is troublesome to use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: to the above defect, the utility model provides a direct current gear motor, simple structure, low power dissipation under the condition that satisfies unlocking force and unlocking speed, battery long service life installs fast, and the installation space is little.
The utility model provides a technical scheme that its technical problem adopted as follows: the direct current speed reducing motor comprises a direct current motor, a cover plate, an output gear and a speed reducing mechanism, wherein the speed reducing mechanism comprises a mandrel arranged between the direct current motor and the cover plate, a first speed reducing gear and a second speed reducing gear are coaxially arranged on the mandrel, the first speed reducing gear is meshed with a third speed reducing gear at the output end of the direct current motor, and the direct current motor is connected with the third speed reducing gear through a motor driving rod; the second reduction gear is meshed with a fourth reduction gear at the input end of the output gear, and the output gear is connected with the fourth reduction gear through an output shaft. When the direct current speed reducing motor works, the direct current motor rotates to drive a third speed reducing gear, the first speed reducing gear is driven to rotate by the third speed reducing gear meshed with the first speed reducing gear, and the first speed reducing gear and the second speed reducing gear which are coaxially arranged on the mandrel rotate simultaneously, so that the second speed reducing gear drives a fourth speed reducing gear meshed with the second speed reducing gear to rotate, the fourth speed reducing gear drives an output shaft to rotate, and the output shaft drives an output gear to rotate and output power; the power transmission of the direct current motor can be transmitted to the output gear through the four reduction gears which are meshed with each other, the structure is simple, the required unlocking power consumption is low, dry batteries can be directly used for serially connecting power supplies, the service life of the batteries is long, the quick installation can be realized, the installation is compact, the required installation space applied to the electronic door lock is small, and the requirement of avoiding the quick installation of the wiring is met.
Furthermore, the first reduction gear and the fourth reduction gear are large gears, the second reduction gear and the third reduction gear are small gears, and the radius of the first reduction gear is smaller than the sum of the radii of the second reduction gear and the fourth reduction gear. The size of the speed reducing mechanism is reduced through the combination of the large gear and the small gear, so that the installation space required by the direct current speed reducing motor is reduced.
Further, the direct current motor and the output gear are arranged on two sides of the speed reducing mechanism, and the cover plate is arranged between the speed reducing mechanism and the output gear and used for fixing the speed reducing mechanism and the output gear.
Further, the direct current motor and the output gear are arranged on the same side of the speed reducing mechanism.
Furthermore, the cover plate is used for fixing the speed reducing mechanism and is arranged on one side of the speed reducing mechanism, which is used for isolating the direct current motor.
Furthermore, the cover plate is used for fixing the speed reducing mechanism, the direct current motor and the output gear, and the speed reducing mechanism, the direct current motor and the output gear are arranged on two sides.
The setting position of the direct current motor and the output gear and the fixing position of the cover plate are determined by the installation space applied to the electronic door lock, and the direct current speed reducing motor is matched with the space for installation of the electronic door lock after the size of the direct current speed reducing motor is reduced, so that the electronic door lock is compact in internal installation, and miniaturization of the electronic door lock are realized.
Furthermore, the reduction mechanism also comprises a gear box shell, and the first reduction gear, the second reduction gear, the third reduction gear, the fourth reduction gear, the mandrel, the motor driving rod and the output shaft are arranged in a cavity formed by the gear box shell. The reduction gear, the mandrel and the connecting rod which are exposed outside are protected by adopting the gearbox shell, so that the space of the reduction mechanism is restrained, and the installation is convenient; and the influence of the exposure of the reduction gear on the service life is avoided, and the use safety of the direct current reduction motor is improved.
Furthermore, the gearbox shell is a cavity which is formed by side coamings and a bottom plate and is provided with an opening on one side, and the cover plate is covered with the gearbox shell from the opening of the gearbox shell; the cover plate is embedded in the side enclosing plate, and the bottom plate is provided with a through hole for the core shaft, the motor driving rod and the output shaft to penetrate through. Through the cooperation setting of apron side bounding wall and bottom plate to and the setting of through-hole on the bottom plate, both can reduce reduction gears's assembly space, can reduce again that the dust gets into and influences reduction gears's security and stability in the reduction gears.
Furthermore, the cover plate is provided with a plurality of fixing holes, and gaskets are arranged at corresponding positions of the lower surface of the cover plate provided with the fixing holes. The fixing holes are arranged, so that the cover plate and the gearbox shell are conveniently installed in a matched mode, the existing threaded connection can be directly replaced by riveting, the connection is convenient and fast, the situation that screws are loosened cannot occur, and the connection is firm; set up the gasket, can effectively avoid riveting in-process riveting face to warp.
Further, the powder bearings of fixed output shaft are arranged at two ends of the output shaft, the powder bearings are fixed on the cover plate and the bottom plate, the output shaft of the motor can be fixed through the powder bearings, the situation that the reduction gear shakes in the rotating process can be effectively prevented, the stability of the operation of the motor is ensured, and the mechanical energy converted by the direct current motor is transmitted to the output gear, so that the unlocking force and the unlocking speed of the electronic door lock are met.
The utility model has the advantages that:
1. the power of the direct current motor can be transmitted to the output gear by arranging the four reduction gears which are meshed with each other, the structure is simple, the required unlocking power consumption is low, dry batteries can be directly used for being connected in series for power supply, the service life of the batteries is long, the quick installation can be realized, the installation is compact, the required installation space applied to the electronic door lock is small, and the requirement of quick installation without wiring is met; the size of the speed reducing mechanism is reduced through the combination of the large gear and the small gear, so that the installation space required by the direct current speed reducing motor is reduced.
2. The setting position of the direct current motor and the output gear and the fixing position of the cover plate are determined by the installation space applied to the electronic door lock, and the direct current speed reducing motor is matched with the space for installation of the electronic door lock after the size of the direct current speed reducing motor is reduced, so that the electronic door lock is compact in internal installation, and miniaturization of the electronic door lock are realized.
3. The reduction gear, the mandrel and the connecting rod which are exposed outside are protected by adopting the gearbox shell, so that the space of the reduction mechanism is restrained, and the installation is convenient; the service life of the reduction gear is prevented from being influenced by exposure, and the use safety of the direct current reduction motor is improved; through the cooperation setting of apron side bounding wall and bottom plate to and the setting of through-hole on the bottom plate, both can reduce reduction gears's assembly space, can reduce again that the dust gets into and influences reduction gears's security and stability in the reduction gears.
4. The fixing holes are arranged, so that the cover plate and the gearbox shell are conveniently installed in a matched mode, the existing threaded connection can be directly replaced by riveting, the connection is convenient and fast, the situation that screws are loosened cannot occur, and the connection is firm; the gasket is arranged, so that the deformation of a riveting surface in the riveting process can be effectively avoided; through setting up the powder bearing, the output shaft that can the fixed motor can prevent effectively that reduction gear from the condition that rocks appears rotating the in-process, ensures the stability of motor operation, transmits the mechanical energy of direct current motor conversion to output gear to satisfy the power of unblanking and the speed of unblanking of opening electronic lock.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the embodiment 1 of the present invention without a gearbox shell;
FIG. 3 is a schematic structural view of a gearbox housing according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of embodiment 2 of the present invention;
fig. 5 is a schematic structural view of embodiment 3 of the present invention;
wherein: the power transmission device comprises a direct current motor 1, a cover plate 2, a fixing hole 21, a gasket 22, an output gear 3, a speed reducing mechanism 4, a first speed reducing gear 41, a second speed reducing gear 42, a third speed reducing gear 43, a fourth speed reducing gear 44, a mandrel 45, a motor driving rod 46, an output shaft 47, a gearbox shell 48, a side coaming plate 481, a bottom plate 482 and a powder bearing 49.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1-2, the dc speed-reducing motor includes a dc motor 1, a cover plate 2, an output gear 3 and a speed-reducing mechanism 4, where the speed-reducing mechanism 4 includes a spindle 45 disposed between the dc motor 1 and the cover plate 2, the spindle 45 is coaxially provided with a first speed-reducing gear 41 and a second speed-reducing gear 42, the first speed-reducing gear 41 is in gear engagement with a third speed-reducing gear 43 at an output end of the dc motor 1, and the dc motor 1 and the third speed-reducing gear 43 are connected by a motor driving rod 46; the second reduction gear 42 is in gear engagement with a fourth reduction gear 44 at the input end of the output gear 3, and the output gear 3 and the fourth reduction gear 44 are connected through an output shaft 47; the speed reducing mechanism 4 further comprises a gearbox shell 48, the gearbox shell 48 is a cavity which is composed of a side wall plate 481 and a bottom plate 482 and is provided with an opening, the cover plate 2 is covered with the gearbox shell 48 from the opening of the gearbox shell 48, the cover plate 2 is embedded in the side wall plate 481, and the bottom plate 482 is provided with a through hole; powder bearings 49 for fixing the output shaft 47 are arranged at two ends of the output shaft 47, and the two powder bearings 49 are respectively fixed on the cover plate 2 and the bottom plate 482; the cover plate 2 is provided with a plurality of fixing holes 21, and gaskets 22 are arranged at corresponding positions of the lower surface of the cover plate 2 provided with the fixing holes 21; the first reduction gear 41, the second reduction gear 42, the third reduction gear 43, the fourth reduction gear 44, the mandrel 45, the motor driving rod 46 and the output shaft 47 are arranged in a cavity formed by a gear box shell 48, and the mandrel 45, the motor driving rod 46 and the output shaft 47 penetrate through a through hole arranged on the bottom plate 482; the first reduction gear 41 and the fourth reduction gear 44 are large gears, the second reduction gear 42 and the third reduction gear 43 are small gears, and the radius of the first reduction gear 41 is smaller than the sum of the radii of the second reduction gear 42 and the fourth reduction gear 44.
The direct current motor 1 and the output gear 3 are arranged on two sides of the speed reducing mechanism 4, and the cover plate 2 is arranged between the speed reducing mechanism 4 and the output gear 3 and used for fixing the speed reducing mechanism 4 and the output gear 3.
The working process of the direct current speed reducing motor is as follows: the direct current motor 1 rotates to drive the third reduction gear 43, the first reduction gear 41 rotates under the driving of the third reduction gear 43 engaged with the first reduction gear, the first reduction gear 41 and the second reduction gear 42 coaxially arranged on the mandrel 45 rotate simultaneously, so that the second reduction gear 42 drives the fourth reduction gear 44 engaged with the second reduction gear to rotate, the fourth reduction gear 44 drives the output shaft 47 to rotate, and the output shaft drives the output gear 3 to rotate and output power.
Example 2
Referring to fig. 3, the dc speed-reducing motor includes a dc motor 1, a cover plate 2, an output gear 3 and a speed-reducing mechanism 4, where the speed-reducing mechanism 4 includes a spindle 45 disposed between the dc motor 1 and the cover plate 2, the spindle 45 is coaxially provided with a first speed-reducing gear 41 and a second speed-reducing gear 42, the first speed-reducing gear 41 is in gear engagement with a third speed-reducing gear 43 at an output end of the dc motor 1, and the dc motor 1 and the third speed-reducing gear 43 are connected by a motor driving rod 46; the second reduction gear 42 is in gear engagement with a fourth reduction gear 44 at the input end of the output gear 3, the output gear 3 and the fourth reduction gear 44 are connected through an output shaft 47, wherein the first reduction gear 41 and the fourth reduction gear 44 are large gears, the second reduction gear 42 and the third reduction gear 43 are small gears, and the radius of the first reduction gear 41 is smaller than the sum of the radii of the second reduction gear 42 and the fourth reduction gear 44; the speed reducing mechanism 4 further comprises a gearbox shell 48, the gearbox shell 48 is a cavity which is composed of a side wall plate 481 and a bottom plate 482 and is provided with an opening, the cover plate 2 is covered with the gearbox shell 48 from the opening of the gearbox shell 48, the cover plate 2 is embedded in the side wall plate 481, and a through hole is formed in the bottom plate 482; the cover plate 2 is provided with a plurality of fixing holes 21, and gaskets 22 are arranged at corresponding positions of the lower surface of the cover plate 2 provided with the fixing holes 21; the first reduction gear 41, the second reduction gear 42, the third reduction gear 43, the fourth reduction gear 44, the spindle 45, the motor driving rod 46 and the output shaft 47 are arranged in a cavity formed by a gear box shell 48, wherein the spindle 45, the motor driving rod 46 and the output shaft 47 penetrate through a through hole in the bottom plate 482; the two ends of the output shaft 47 are also provided with powder bearings 49 for fixing the output shaft 47, and the two powder bearings 49 are respectively fixed on the cover plate 2 and the bottom plate 482.
The direct current motor 1 and the output gear 3 are arranged on the same side of the speed reducing mechanism 4, the cover plate 2 is used for fixing the speed reducing mechanism 4 and is arranged on one side of the speed reducing mechanism 4, which is used for isolating the direct current motor 1, namely, the speed reducing motor 4 and the direct current motor and the output gear 3 are arranged on the same side of the cover plate 2.
Example 3
Referring to fig. 4, the present embodiment is different from embodiment 2 in that the cover plate 2 is disposed at a different position, wherein the dc motor 1 and the output gear 3 are disposed at the same side of the reduction mechanism 4, the cover plate 2 is used for fixing the reduction mechanism 4, the dc motor 1 and the output gear 3, the reduction mechanism 4, the dc motor 1 and the output gear 3 are disposed at two sides, and the opening direction of the gear box 48 is adjusted according to the disposition of the cover plate 2.
The setting position of the cover plate 2 is adjusted and set according to the installation space, so that the problem of assembling of the direct-current speed reduction motor is solved, the electronic door lock is compact in internal installation, and miniaturization and microminiaturization of the electronic door lock are realized.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. DC gear motor, including DC motor (1), apron (2), output gear (3) and reduction gears (4), its characterized in that: the speed reducing mechanism (4) comprises a mandrel (45) arranged between the direct current motor (1) and the cover plate (2), a first speed reducing gear (41) and a second speed reducing gear (42) are coaxially arranged on the mandrel (45), the first speed reducing gear (41) is in gear engagement with a third speed reducing gear (43) at the output end of the direct current motor (1), and the direct current motor (1) is connected with the third speed reducing gear (43) through a motor driving rod (46); the second reduction gear (42) is in gear engagement with a fourth reduction gear (44) at the input end of the output gear (3), and the output gear (3) is connected with the fourth reduction gear (44) through an output shaft (47).
2. The direct current gear motor according to claim 1, characterized in that: the first reduction gear (41) and the fourth reduction gear (44) are large gears, the second reduction gear (42) and the third reduction gear (43) are small gears, and the radius of the first reduction gear (41) is smaller than the radius sum of the second reduction gear (42) and the fourth reduction gear (44).
3. The direct current gear motor according to claim 1, characterized in that: the direct current motor (1) and the output gear (3) are arranged on two sides of the speed reducing mechanism (4), and the cover plate (2) is arranged between the speed reducing mechanism (4) and the output gear (3) and used for fixing the speed reducing mechanism (4) and the output gear.
4. The direct current gear motor according to claim 1, characterized in that: the direct current motor (1) and the output gear (3) are arranged on the same side of the speed reducing mechanism (4).
5. The direct current gear motor according to claim 4, wherein: the cover plate (2) is used for fixing the speed reducing mechanism (4) and is arranged on one side of the speed reducing mechanism (4) which is isolated from the direct current motor (1).
6. The direct current gear motor according to claim 1, 2, 3, 4 or 5, characterized in that: the speed reducing mechanism (4) further comprises a gear box shell (48), and the first speed reducing gear (41), the second speed reducing gear (42), the third speed reducing gear (43), the fourth speed reducing gear (44), the mandrel (45), the motor driving rod (46) and the output shaft (47) are arranged in a cavity formed by the gear box shell (48).
7. The direct current gear motor according to claim 6, wherein: the gearbox shell (48) is a cavity which is formed by a side wall plate (481) and a bottom plate (482) and is provided with an opening on one side, and the cover plate (2) is covered with the gearbox shell (48) from the opening of the gearbox shell (48); the cover plate (2) is embedded in the side enclosing plate (481), and a through hole for the penetration of the mandrel (45), the motor driving rod (46) and the output shaft (47) is formed in the bottom plate (482).
8. The direct current gear motor according to claim 7, wherein: the utility model discloses a cover plate, including apron (2), apron (2) upper surface has a plurality of fixed orificess (21), fixed orificess (21) internal surface has corresponding gasket (22), gasket (22) set up in apron (2) lower surface.
9. The direct current gear motor according to claim 6, wherein: and powder bearings (49) for fixing the output shaft (47) are arranged at two ends of the output shaft (47), and the powder bearings (49) are fixed on the cover plate (2) and the bottom plate (482).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134437.5U CN210806978U (en) | 2019-12-03 | 2019-12-03 | DC speed reducing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922134437.5U CN210806978U (en) | 2019-12-03 | 2019-12-03 | DC speed reducing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210806978U true CN210806978U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922134437.5U Active CN210806978U (en) | 2019-12-03 | 2019-12-03 | DC speed reducing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210806978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315310A (en) * | 2021-07-30 | 2021-08-27 | 深圳诚一信科技有限公司 | Special speed reducing motor for anti-theft door |
-
2019
- 2019-12-03 CN CN201922134437.5U patent/CN210806978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315310A (en) * | 2021-07-30 | 2021-08-27 | 深圳诚一信科技有限公司 | Special speed reducing motor for anti-theft door |
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