CN218449761U - Adjustable waterproof speed reduction motor - Google Patents

Abstract

The utility model discloses a waterproof gear motor with adjustable, including the casing, establish motor and reducing gear box in the casing, the output end connection of reducing gear box has the lead screw, and the spiro union has the nut on the lead screw, and the spiro union has the slide bar on the nut, and the slide bar pass the casing and with the shaft coupling spiro union, be equipped with first waterproof sealing spare between casing and slide bar. The utility model discloses a lead screw and nut that set up and be connected rather than the transmission outside the reducing gear box carry out the transmission to set up the slide bar rather than the transmission and be connected at the nut side, install the shaft coupling at the slide bar tip, can realize axial displacement in the rotatory in-process of slide bar, need not additionally to install adjusting bracket or adjustment mechanism, can drive the shaft coupling in step and move to the required position department within a certain limit, the simple operation; the first waterproof sealing piece is arranged at the joint of the sliding rod and the shell, and the second waterproof sealing piece is arranged at the joint of the shell and the mounting cap, so that external water vapor or foreign matters can be prevented from entering the shell to influence the operation of the motor and the planetary transmission mechanism in the reduction gearbox, and the use is safer and more reliable; the casing and the sliding rod are both made of metal tubes, so that heat generated by the motor and the planetary transmission mechanism can be quickly dissipated, and the speed reduction motor can be ensured to stably run for a long time; the planet wheel close to the motor is made of plastic materials, so that the noise and vibration of power transmission can be reduced on the basis of meeting the requirement of equal torque output, and the integral noise and vibration of the speed reducing motor are reduced.

Description

Adjustable waterproof speed reduction motor

Technical Field

The utility model relates to the technical field of motors, in particular to waterproof gear motor with adjustable.

Background

The speed reducing motor is a power output device commonly used in production and life, has the advantages of low energy consumption, high load capacity, reliability, durability and the like, and is widely applied to products in various production and life fields in the industries of machinery, steel and the like. With the continuous pursuit of people for high-quality life, the application range and the scene of the speed reducing motor are continuously expanded.

In application, the situation that power output needs to be adjusted due to different structural arrangements of transmission parts is often encountered, most of the situations are solved by additionally arranging an adjusting bracket (such as the patent with the publication number of CN 215580628U) or changing the positioning mode of a motor (such as the patent with the publication number of CN 206860233U), and the motor or a supporting piece thereof needs to be adjusted electrically or mechanically frequently in production, so that the production is relatively time-consuming and labor-consuming.

Therefore, the utility model discloses structure to gear motor improves, and it matches with the driving medium fast to be convenient for, and it is convenient to assemble, reduces unnecessary production man-hour loss under safe practical prerequisite.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a waterproof gear motor with adjustable can realize axial displacement at the rotatory in-process of slide bar, need not extra installation and adjusts support or adjustment mechanism, can move the shaft coupling in the certain limit in step and remove needs position department, simple operation to can avoid external steam or foreign matter to get into in the casing, use safe and reliable more.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

an adjustable waterproof speed reduction motor comprises a shell, wherein a motor and a speed reduction box in transmission connection with the motor are arranged in the shell, the motor is connected with a cable, and the speed reduction box is connected with a coupler and can drive the coupler to rotate; the output end part of the reduction gearbox is in transmission connection with a lead screw, the lead screw is in threaded connection with a nut, the nut is in threaded connection with a sliding rod, the end part of the sliding rod penetrates through the shell and is in threaded connection with the coupler, and the sliding rod can rotate under the action of external force and synchronously drive the nut to move on the lead screw along the axial direction of the lead screw; the shell is characterized in that a guide sleeve is sleeved on the periphery of the sliding rod, a first waterproof sealing part is arranged between the guide sleeve and the sliding rod, and a limiting part is arranged beside the nut on the shell.

As a further elaboration of the above technical solution:

in the technical scheme, the nut is an annular nut, the inner wall of the nut is provided with first threads matched with the screw rod, the upper part of the outer wall of the nut is provided with a plurality of first clamping bulges, and the lower part of the outer wall of the nut is provided with second threads matched with the sliding rod.

In the above technical scheme, a plurality of first clamping protrusions are uniformly arranged on the outer wall of the nut along the circumferential direction, and one first clamping groove matched with the limiting part is formed in each first clamping protrusion.

In the above technical scheme, the slide bar is an annular slide bar, and both ends of the inner wall of the slide bar are respectively provided with a third thread and a fourth thread, the third thread is matched with the second thread, and the fourth thread is matched with the coupler.

In the above technical solution, the limiting member includes a limiting plate and a slider slidably connected thereto, the slider is provided with a second engaging protrusion adapted to the first engaging groove, the limiting plate is embedded in the inner wall of the housing along the axial direction, and one end of the limiting plate is adapted to the end of the guide sleeve; and more than one second clamping groove which extends along the axial direction and is matched with the limiting plate is arranged on the inner wall of the shell.

In the above technical solution, the housing and the sliding rod are both metal tubes, and the inner walls of the two end portions are both provided with connecting threads.

In the above technical scheme, one end of the shell is in threaded connection with the guide sleeve, the other end of the shell is in threaded connection with a mounting cap, a second waterproof sealing element is arranged on the inner wall of the mounting cap, and the cable penetrates through the mounting cap and is electrically connected with the motor.

In the above technical scheme, the reduction gearbox is a cylindrical structure, two end parts of the reduction gearbox are both provided with an end cover, a planetary transmission mechanism is arranged between the two end covers, an input end part of the planetary transmission mechanism penetrates through one end cover to be in transmission connection with the motor, and the other end part of the planetary transmission mechanism penetrates through the other end cover to be in transmission connection with the screw rod.

In the technical scheme, the planetary transmission mechanism comprises an inner ring wheel, a plurality of planet wheels and a plurality of sun wheels from outside to inside, more than one mounting plate parallel to the end cover is coaxially arranged in the inner ring wheel, and the planet wheels and the sun wheels are all arranged at two end parts of the mounting plates.

In the above technical solution, the plurality of planet wheels on the mounting plate close to the motor are all plastic wheels, and the inner ring wheel and the other plurality of planet wheels and sun wheels are all metal wheels.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a set up the lead screw and nut rather than the transmission connection outside the reducing gear box and carry out the transmission, and set up the slide bar rather than the transmission connection at the nut side, install the shaft coupling at the slide bar tip, can realize axial displacement in the slide bar rotation process, need not additionally to install adjusting bracket or adjustment mechanism, can drive the shaft coupling to move to needs position department within a certain range synchronously, the simple operation; the first waterproof sealing piece is arranged at the joint of the sliding rod and the shell, and the second waterproof sealing piece is arranged at the joint of the shell and the mounting cap, so that external water vapor or foreign matters can be prevented from entering the shell to influence the operation of the motor and the planetary transmission mechanism in the reduction gearbox, and the use is safer and more reliable; the casing and the sliding rod are both made of metal tubes, so that heat generated by the motor and the planetary transmission mechanism can be quickly dissipated, and the speed reduction motor can be ensured to stably run for a long time; the planet wheel close to the motor is made of plastic materials, so that the noise and vibration of power transmission can be reduced on the basis of meeting the requirement of equal torque output, and the integral noise and vibration of the speed reducing motor are reduced.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a schematic structural view of a nut according to a first embodiment;

FIG. 4 is a schematic structural diagram of a slide bar according to a first embodiment;

FIG. 5 is a schematic sectional view of the housing according to the first embodiment;

FIG. 6 is an exploded view of the planetary gear set according to the first embodiment;

fig. 7 is a schematic structural diagram of the coupling in the second embodiment.

In the figure: 10. a housing; 11. a second card slot; 20. a motor; 30. a reduction gearbox; 31. an end cap; 32. a planetary transmission mechanism; 1. an inner ring wheel; 2. a planet wheel; 3. a sun gear; 4. mounting a plate; 40. a cable; 50. a coupling; 50-2, a second coupling; 51. an arc-shaped groove; 52. a spherical ring; 60. a lead screw; 61. a lead screw bearing; 70. a nut; 71. a first thread; 72. A first snap projection; 73. a second thread; 74. a first card slot; 80. a slide bar; 81. a third thread; 82. a fourth thread; 90. A guide sleeve; 100. a first waterproof seal; 110. a stopper; 111. a limiting plate; 112. a slider; 113. a second snap projection; 120. Installing a cap; 130. a second waterproof seal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a number" or "a plurality" is two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Example one

As shown in fig. 1-2, an adjustable waterproof speed-reducing motor comprises a shell 10, a motor 20 and a speed-reducing box 30 in transmission connection with the motor 20 are arranged in the shell 10, the motor 20 is connected with a cable 40, and the speed-reducing box 30 is connected with a coupler 50 and can drive the coupler to rotate; the output end part of the reduction gearbox 30 is in transmission connection with a lead screw 60, the lead screw 60 is in threaded connection with a nut 70, the nut 70 is in threaded connection with a slide bar 80, the end part of the slide bar 80 penetrates through the shell 10 and is in threaded connection with the coupler 50, and the slide bar 80 can rotate under the action of external force and synchronously drive the nut 70 to move on the lead screw 60 along the axial direction of the lead screw; a guide sleeve 90 is sleeved on the periphery of the sliding rod 80 on the shell 10, a first waterproof sealing part 100 is arranged between the guide sleeve 90 and the sliding rod 80, and a limiting part 110 is arranged on the shell 10 beside the nut 70.

The utility model discloses a lead screw 60 and nut 70 that are connected rather than the transmission set up in the reducing gear box 30 outside carry out the transmission, and set up the slide bar 80 rather than the transmission is connected at nut 70 side, install shaft coupling 50 at the slide bar 80 tip, can realize axial displacement at the rotatory in-process of slide bar 80, need not extra installation and adjust support or adjustment mechanism, can drive shaft coupling 50 in step and remove needs position department in the certain limit, and need not worry outside steam and foreign matter entering casing 10 inside, the operation is convenient, safety in utilization.

Further, as shown in fig. 3, the nut 70 is a ring nut, and has a first thread 71 on its inner wall for engaging with the lead screw 60, a plurality of first protrusions 72 on its outer wall, and a second thread 73 on its outer wall for engaging with the sliding rod 80.

Further, a plurality of first locking protrusions 72 are uniformly arranged on the outer wall of the nut 70 along the circumferential direction, and a first locking groove 74 adapted to the limiting member 110 is arranged on one first locking protrusion 72.

Further, as shown in fig. 4, the sliding rod 80 is an annular sliding rod, and both ends of the inner wall of the annular sliding rod are respectively provided with a third thread 81 and a fourth thread 82, the third thread 81 is adapted to the second thread 73, and the fourth thread 82 is adapted to the coupling 50.

Further, as shown in fig. 2 and 5, the limiting member 110 includes a limiting plate 111 and a sliding block 112 slidably connected thereto, the sliding block 112 is provided with a second locking protrusion 113 adapted to the first locking groove 74, the limiting plate 110 is embedded on the inner wall of the housing 10 along the axial direction, and one end of the limiting plate is adapted to the end of the guide sleeve 90; more than one second clamping groove 11 which extends along the axial direction and is matched with the limiting plate 111 is arranged on the inner wall of the shell 10.

Further, as shown in fig. 4 and 5, the housing 10 and the sliding rod 80 are both metal tubes, and the inner walls of both ends thereof are provided with connecting threads.

In the present embodiment, the housing 10 and the sliding rod 80 are aluminum tubes, which are light and have good thermal conductivity, and can rapidly dissipate heat generated by the motor 20 and the planetary transmission mechanism 32, thereby ensuring that the deceleration motor can be stably operated for a long time.

Further, as shown in fig. 2, one end of the casing 10 is screwed with the guide sleeve 90, the other end is screwed with a mounting cap 120, a second waterproof sealing member 130 is provided on an inner wall of the mounting cap 120, and a cable 40 passes through the mounting cap 120 and is electrically connected to the motor.

Further, as shown in fig. 6, the reduction box 30 is a cylindrical structure, two end portions of the reduction box are respectively provided with an end cover 31, a planetary transmission mechanism 32 is arranged between the two end covers 31, an input end portion of the planetary transmission mechanism 32 penetrates through one end cover 31 to be in transmission connection with the motor 20, and the other end portion penetrates through the other end cover 31 to be in transmission connection with the lead screw 60.

Further, as shown in fig. 6, the planetary transmission mechanism 32 includes, from outside to inside, an inner ring wheel 1, a plurality of planet wheels 2, and a plurality of sun wheels 3, more than one mounting plate 4 parallel to the end cover 31 is coaxially disposed in the inner ring wheel 2, and the plurality of planet wheels 2 and the plurality of sun wheels 3 are disposed at two end portions of the plurality of mounting plates 4.

Furthermore, a plurality of planet wheels 2 on a mounting plate 4 close to the motor 20 are all plastic wheels, and the inner ring wheel 1, other planet wheels 2 and the sun wheel 3 are all metal wheels.

In this embodiment, the planet wheel 2 that is close to the motor all adopts the plastic material to make, and its both sides mesh with inner ring wheel 1 and sun gear 3 that the metal was made respectively, can reduce the noise and the vibration of power transmission on satisfying equal torque output basis, and then reduce the holistic noise of gear motor and vibration.

In use, the sliding rod 80 extending to the outside of the housing 140 is rotated, the fourth thread 82 drives the coupling 50 to rotate synchronously, the third thread 81 engages the second thread 73 to drive the nut 70 to rotate, the first thread 71 engages with the lead screw 60 and moves axially thereon, and the first locking protrusion 72 pushes the sliding rod 80 to drive the coaxial coupling 50 to move axially synchronously. The slider bar 80 stops rotating when the coupling 50 is moved into position. The second locking protrusion 113 on the limiting rib 110 can be matched with the first locking groove 74 at two limit positions to limit the relative displacement of the nut 70 and the screw rod 60, so as to limit the maximum stroke distance of the sliding rod 80 extending out and contracting along the axial direction, and ensure the safety of the internal structure of the speed reducing motor.

The utility model discloses a junction at slide bar 80 and casing 10 sets up first water sealing member 100 to set up second water sealing member 130 at casing 10 and mounting cap 120 and junction, can avoid external steam or foreign matter to influence the operation of planetary drive mechanism 32 in motor 20 and the reducing gear box 30 in getting into casing 10, use safe and reliable more.

Example two

As shown in fig. 7, the present embodiment is based on the embodiment that a conventional coupling 50 is modified into a second coupling 50-2, an arc-shaped groove 51 is formed in the center of the end portion thereof, and a spherical ring 52 is installed therein, and the spherical ring 52 can rotate in the arc-shaped groove 51 under the action of external force. When the force application direction of the using device slightly changes, the speed reducing motor can still be tightly attached to the using device without any adjustment, normal use is ensured, reaction force in other directions cannot be applied to the speed reducing motor, the load of the speed reducing motor is reduced, and the service life of the speed reducing motor is prolonged.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. An adjustable waterproof speed reduction motor comprises a shell, wherein a motor and a speed reduction box in transmission connection with the motor are arranged in the shell, the motor is connected with a cable, and the speed reduction box is connected with a coupler and can drive the coupler to rotate; the transmission mechanism is characterized in that the output end part of the reduction gearbox is in transmission connection with a lead screw, the lead screw is in threaded connection with a nut, the nut is in threaded connection with a sliding rod, the end part of the sliding rod penetrates through the shell and is in threaded connection with the coupler, the sliding rod can rotate under the action of external force and synchronously drive the nut to move on the lead screw along the axial direction of the lead screw; the shell is characterized in that a guide sleeve is sleeved on the periphery of the sliding rod, a first waterproof sealing part is arranged between the guide sleeve and the sliding rod, and a limiting part is arranged beside the nut on the shell.

2. The adjustable waterproof deceleration motor of claim 1, wherein the nut is a ring nut, the inner wall of which is provided with a first thread matching the lead screw, the outer wall of which is provided at the upper portion with a plurality of first protrusions, and the outer wall of which is provided at the lower portion with a second thread matching the sliding rod.

3. The adjustable waterproof deceleration motor according to claim 2, wherein a plurality of said first protrusions are uniformly arranged on the outer wall of said nut along the circumferential direction, and a first engaging groove adapted to said limiting member is formed on one of said first protrusions.

4. The adjustable waterproof deceleration motor as claimed in claim 2, wherein said slide rod is a ring-shaped slide rod, and both ends of the inner wall of said slide rod are respectively provided with a third thread and a fourth thread, said third thread is adapted to said second thread, and said fourth thread is adapted to said coupling.

5. The adjustable waterproof deceleration motor as claimed in claim 3, wherein the limiting member comprises a limiting plate and a sliding block slidably connected therewith, the sliding block is provided with a second engaging protrusion adapted to the first engaging groove, the limiting plate is axially embedded in the inner wall of the housing, and one end of the limiting plate is adapted to the end of the guide sleeve; and more than one second clamping groove which extends along the axial direction and is matched with the limiting plate is arranged on the inner wall of the shell.

6. The adjustable waterproof deceleration motor according to any one of claims 1 to 5, wherein said housing and said sliding rod are metal tubes, and connecting threads are provided on inner walls of both ends thereof.

7. The adjustable waterproof deceleration motor as claimed in claim 6, wherein one end of said housing is screwed with said guide sleeve, and the other end thereof is screwed with a mounting cap, and a second waterproof sealing member is provided on the inner wall of said mounting cap, and said cable is electrically connected to said motor through said mounting cap.

8. The adjustable waterproof deceleration motor as claimed in any one of claims 1 to 5, wherein the reduction box is a cylindrical structure, two end parts of the reduction box are respectively provided with an end cover, a planetary transmission mechanism is arranged between the two end covers, the input end part of the planetary transmission mechanism passes through one end cover to be in transmission connection with the motor, and the other end part of the planetary transmission mechanism passes through the other end cover to be in transmission connection with the screw.

9. The adjustable waterproof deceleration motor as claimed in claim 8, wherein the planetary transmission mechanism comprises an inner ring wheel, a plurality of planet wheels and a plurality of sun wheels, the inner ring wheel is coaxially provided with more than one mounting plate parallel to the end cap, and the plurality of planet wheels and the plurality of sun wheels are arranged at two ends of the plurality of mounting plates.

10. The adjustable waterproof gearmotor of claim 9, wherein the plurality of planet gears on the mounting plate adjacent to the motor are plastic gears, and the inner ring gear and the other plurality of planet gears and sun gears are metal gears.

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