CN212899596U - Transmission device for electric push rod - Google Patents
Transmission device for electric push rod Download PDFInfo
- Publication number
- CN212899596U CN212899596U CN202020701921.1U CN202020701921U CN212899596U CN 212899596 U CN212899596 U CN 212899596U CN 202020701921 U CN202020701921 U CN 202020701921U CN 212899596 U CN212899596 U CN 212899596U
- Authority
- CN
- China
- Prior art keywords
- tooth
- straight
- teeth
- worm
- lead screw
- 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.)
- Active
Links
Images
Abstract
The utility model provides a transmission device for an electric push rod, which comprises a worm, a primary linkage tooth, a secondary straight tooth, a lead screw and a bearing; the worm is used for connecting outside driving motor, driving motor's output is connected and is driven the worm and rotate, one cascade tooth includes can with worm engaged with helical gear and can with the straight-teeth spur gear of second grade straight-teeth engaged with, the straight-teeth gear of one cascade tooth meshes with the straight-teeth of second grade mutually, the axle center of second grade straight-teeth is located to the one end of lead screw, the lead screw cover makes lead screw accessible bearing be fixed in on the external mechanism in locating the bearing. The transmission ratio between the electric push rod and the motor can be conveniently adjusted by adopting the device.
Description
Technical Field
The utility model relates to a transmission especially relates to a transmission for electric putter.
Background
The electric push rod is a universal auxiliary driving device, can be widely applied to industries such as electric power, machinery, metallurgy, traffic, mines, petroleum, chemical engineering, hoisting, transportation, building, grain and feed processing and the like, converts the rotary motion of a motor into the linear reciprocating motion of the push rod, and can be used as an executing machine in various simple or complex process flows so as to realize remote control, centralized control or automatic control.
The push rod of the electric push rod in the prior art is generally in primary transmission by a worm gear, and due to the limitation of the installation environment, the selection range of the transmission ratio is relatively small, and the adjustable range of the output torque and the speed is correspondingly limited.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a transmission device for an electric putter, which solves the problems that the selection range of the transmission ratio of the putter is relatively small, and the adjustable range of the output torque and the speed is correspondingly limited.
In order to achieve the above and other related objects, the present invention provides a transmission device for an electric putter, the transmission device including a worm, a first-stage coupling gear, a second-stage straight gear, a lead screw, and a bearing;
the worm is used for connecting outside driving motor, driving motor's output is connected and is driven the worm and rotate, one cascade tooth includes can with worm engaged with helical gear and can with the straight-teeth spur gear of second grade straight-teeth engaged with, the straight-teeth gear of one cascade tooth meshes with the straight-teeth of second grade mutually, the axle center of second grade straight-teeth is located to the one end of lead screw, the lead screw cover makes lead screw accessible bearing be fixed in on the external mechanism in locating the bearing.
The first cascade teeth comprise a helical gear capable of being meshed with the worm and a straight gear capable of being meshed with the second-level straight teeth, the straight gear of the first cascade teeth is meshed with the second-level straight teeth, and the axis of the second-level straight teeth is arranged at one end of the screw rod, so that the screw rod is driven to rotate when the first cascade teeth rotate, and the stretching of the screw rod is further realized.
Further, the axial modulus of the worm is 0.6, the normal modulus of a straight gear in the cascade teeth is 0.8, the normal modulus of a helical gear is 0.6, and the normal modulus of the secondary large teeth is 0.8.
Further, the transmission device for the electric push rod further comprises a self-locking nut, and the self-locking nut is used for fixing the second-stage straight teeth.
Furthermore, the transmission device further comprises a pin shaft, a through hole is radially formed in one end of the screw rod, the pin shaft penetrates through the through hole in the end portion of the screw rod, an embedded groove is formed in the second-stage straight teeth, and the pin shaft is arranged in the embedded groove of the second-stage straight teeth.
Further, the screw rod is attached to the bearing surface.
Furthermore, the transmission device further comprises a central shaft, a central hole is formed in the middle of the cascade teeth, and the central shaft penetrates through the central hole. Its primary purpose is to secure a cascading tooth through a central shaft in the external environment.
Furthermore, the transmission device for the electric push rod further comprises a driving motor, and the output end of the driving motor is connected with and drives the worm.
As described above, the utility model discloses a transmission for electric putter has following beneficial effect:
this device is through setting up drive mechanism between drive arrangement and lead screw for the user can adopt the gear of different number of teeth and modulus as required, conveniently adjusts the drive ratio of driving motor and lead screw.
Drawings
Fig. 1 shows the overall structure of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 shows a cross-sectional view of a cascade of teeth.
Description of the element reference numerals
1 drive motor
2 Worm
3-cascade tooth
301 straight gear
302 helical gear
4 center shaft
5 bearing
6 lead screw
7 axle pin
8 two-stage straight tooth
9 self-locking nut
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1-3, the present invention provides a transmission device for an electric putter, which is mainly applied to various mechanical devices, and the device can change the transmission ratio of the output of the motor, so as to provide more adjustment possibilities for users.
The transmission device comprises a worm 2, a cascade tooth 4, a secondary straight tooth 8, a screw rod 6 and a bearing 5. The worm 2 is used for connecting outside driving motor 1, driving motor 1's output is connected and is driven worm 2 and rotate, one cascade tooth 4 includes can with the helical gear 302 of worm looks meshing and can with the straight-teeth gear 301 of second grade straight-teeth looks meshing, the straight-teeth gear of a cascade tooth 4 meshes with second grade straight-teeth 8 mutually, the axle center of second grade straight-teeth is located to the one end of lead screw, the lead screw cover makes lead screw accessible bearing be fixed in on the external mechanism in locating the bearing.
The worm 2, the first-level coupling teeth 4, the second-level straight teeth 8, the screw rod 6 and the bearing 5 are all available to those skilled in the art through market purchase.
In one embodiment, the worm has an axial modulus of 0.6, an axial pressure angle of 20 °, and a lead angle of 5.71 °.
In one embodiment, the transmission device further comprises a driving motor 2, and an output end of the driving motor is connected with and drives the worm. The power type of the driving motor is not limited in the application.
In one embodiment, the transmission device further includes a central shaft 4, a central hole is formed in the middle of the cascade teeth 4, and the central shaft 4 penetrates through the central hole. Its primary purpose is to secure a cascading tooth through a central shaft in the external environment. The central axis is commercially available.
In one embodiment, the spur gear in the cascade of teeth has a normal module of 0.8, the helical gear has a normal module of 0.6, the helix angle is 5.71 °, and both pressure angles are 20 °.
In an embodiment, the transmission device for the electric push rod further comprises a self-locking nut 9, and the self-locking nut 9 is used for fixing the secondary straight teeth.
In an embodiment, the transmission device further includes a pin 7, a through hole is radially formed at one end of the screw rod, and the pin 7 penetrates through the through hole at the end of the screw rod to fix the screw rod 6. And an embedded groove is formed in the second-stage straight teeth, and the pin shaft 7 is arranged in the embedded groove of the second-stage straight teeth.
In one embodiment, the lead screw 6 is attached to the bearing surface, so that the stable state of the lead screw is ensured.
The device can change the modulus of each gear according to the needs of users, and further achieve the purpose of changing the transmission ratio of the motor.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A transmission device for an electric push rod is characterized in that the transmission device comprises a worm, a primary linkage tooth, a secondary straight tooth, a screw rod and a bearing; the worm is used for connecting outside driving motor, and outside driving motor's output is connected and is driven the worm and rotate, one cascade tooth includes can with the helical gear of worm engaged with and can with the straight-tooth gear of second grade straight-tooth engaged with, the straight-tooth gear of one cascade tooth meshes with the straight-tooth of second grade mutually, the axle center of second grade straight-tooth is located to the one end of lead screw, the lead screw cover makes lead screw accessible bearing be fixed in on the external mechanism in locating the bearing.
2. The transmission for an electric putter of claim 1 wherein the worm has an axial module of 0.6, the spur gear in said series of teeth has a normal module of 0.8, the helical gear has a normal module of 0.6 and the second largest tooth has a normal module of 0.8.
3. The transmission for an electric putter of claim 1 further comprising a self locking nut for securing the secondary spur teeth.
4. The transmission device for the electric push rod according to claim 1, further comprising a pin shaft, wherein a through hole is radially formed in one end of the screw rod, the pin shaft penetrates through the through hole in the end portion of the screw rod, an embedded groove is formed in the inside of the secondary straight tooth, and the pin shaft is arranged in the embedded groove of the secondary straight tooth.
5. The transmission for an electric putter of claim 1 further comprising a central shaft, a central hole being provided in a middle portion of said one of the cascade teeth, said central shaft passing through said central hole for fixing said one of the cascade teeth.
6. The transmission for an electric putter of claim 1 wherein the lead screw is in abutment with a bearing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701921.1U CN212899596U (en) | 2020-04-30 | 2020-04-30 | Transmission device for electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701921.1U CN212899596U (en) | 2020-04-30 | 2020-04-30 | Transmission device for electric push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899596U true CN212899596U (en) | 2021-04-06 |
Family
ID=75262795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020701921.1U Active CN212899596U (en) | 2020-04-30 | 2020-04-30 | Transmission device for electric push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899596U (en) |
-
2020
- 2020-04-30 CN CN202020701921.1U patent/CN212899596U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103453096B (en) | A kind of roller screw pair that can realize small helical pitch | |
| US20080087124A1 (en) | Enveloping speed reducer | |
| CN212899596U (en) | Transmission device for electric push rod | |
| CN108775383B (en) | Adjustable precise planetary gear reducer | |
| US6745640B2 (en) | Method for manufacturing a worm shaft for a gearbox and gearbox incorporating same | |
| CN207145542U (en) | A kind of high-accuracy harmonic wave speed reducing machine of robot | |
| EP3530981A1 (en) | Worm gear system | |
| CN211082715U (en) | High-torque worm gear reducer | |
| CN209856310U (en) | Low-noise worm gear reduction box | |
| CN203836119U (en) | Jiawu differential mechanism | |
| CN102242794A (en) | Oblique angle harmonic decelerator | |
| CN202108943U (en) | Skew angle harmonic speed reducer | |
| CN200975460Y (en) | Tooth differential slide block decelerator | |
| CN213511968U (en) | Anti-backlash gear structure | |
| CN215634851U (en) | Bidirectional output type gear box | |
| CN207830472U (en) | A kind of planetary reducer convenient for adjusting rotating speed | |
| CN108561519B (en) | Large-pressure-angle worm transmission mechanism | |
| CN216242177U (en) | Large-speed-ratio high-efficiency linkage speed reducer | |
| CN210799954U (en) | Intermediate shaft | |
| CN219452786U (en) | Speed reducer and transmission device | |
| CN215673463U (en) | Face gear transmission gear box | |
| CN220118597U (en) | Speed regulating speed reducer | |
| CN202522251U (en) | Transmission device used for driving coded disc of encoder to rotate | |
| CN220022512U (en) | Transmission mechanism with self-locking function and coaxial output | |
| CN210013983U (en) | Two-stage planetary reduction transmission mechanism with eccentric structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |