CN210246532U - Electric push rod - Google Patents
Electric push rod Download PDFInfo
- Publication number
- CN210246532U CN210246532U CN201921266963.0U CN201921266963U CN210246532U CN 210246532 U CN210246532 U CN 210246532U CN 201921266963 U CN201921266963 U CN 201921266963U CN 210246532 U CN210246532 U CN 210246532U
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- gear
- motor
- meshing
- lead screw
- nut
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Abstract
The utility model discloses an electric putter, which comprises a bod, be equipped with alternating current motor and the lead screw that is used for input power on the fuselage, be equipped with the intermediate gear subassembly with alternating current motor and screw connection in the fuselage, intermediate gear subassembly includes the motor gear with alternating current motor output shaft meshing, the meshing has intermediate gear on the motor gear, the meshing of intermediate gear below has the nut gear, nut gear and lead screw meshing, alternating current motor loops through the motor gear, intermediate gear and nut gear are with power transmission to lead screw, intermediate gear passes through gear wheel and pinion integrated into one piece, gear wheel and motor gear meshing, pinion and nut gear meshing. In this way, the utility model discloses electric putter through designing new gear drive subassembly structure, effectively improves electric putter's transmission precision, transmission simple structure, safe and reliable.
Description
Technical Field
The utility model relates to a push rod field especially relates to an electric putter.
Background
The electric push rod is a linear driving device, and the rotary motion of a driving motor is converted into the linear motion of the push rod by utilizing the transmission of a screw nut. The device can be used as an execution machine in various simple or complex process flows to realize remote control, centralized control or automatic control. The electric push rod is widely used for electric medical beds, electric sofas, electric exhibition stand lifting rods, industrial electric lifting systems and the like. The existing push rod has a complex structure and a large volume, and can be overturned when not being operated, so that the push rod is damaged.
Disclosure of Invention
The utility model discloses the main technical problem who solves provides an electric putter, through designing new gear drive subassembly structure, effectively improves electric putter's transmission precision, transmission simple structure, safe and reliable.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electric putter, includes the fuselage, be equipped with alternating current motor and the lead screw that is used for input power on the fuselage, be equipped with the intermediate gear subassembly of being connected alternating current motor and lead screw in the fuselage, intermediate gear subassembly includes the motor gear with alternating current motor output shaft meshing, the meshing has intermediate gear on the motor gear, the meshing of intermediate gear below has the nut gear, nut gear and lead screw meshing, alternating current motor loops through motor gear, intermediate gear and nut gear and transmits power to the lead screw, intermediate gear passes through gear wheel and pinion integrated into one piece, gear wheel and motor gear meshing, pinion and nut gear meshing.
In a preferred embodiment of the present invention, a connector is installed on the left end of the screw, an upper yoke plate is installed between the connector and the screw, a pull rod is installed at the lower end of the upper yoke plate, the pull rod passes through the guide bearing seat, the guide bearing seat is installed on the machine body, and a mechanical switch is installed on the guide bearing seat.
In a preferred embodiment of the present invention, the left and right ends of the screw rod are further provided with a bump block for contacting with the mechanical switch.
In a preferred embodiment of the present invention, the motor gear is further provided with a manual shaft.
In a preferred embodiment of the present invention, the intermediate gear is mounted on an intermediate shaft, and a controller is further connected to a left end of the intermediate shaft.
In a preferred embodiment of the present invention, the nut gear is tightly connected to the lead screw through a lock nut.
In a preferred embodiment of the present invention, a push rod sleeve is sleeved on the right end of the screw rod, an anti-reverse block is arranged between the push rod sleeve and the screw rod, and a dust cover and a breathable waterproof valve are arranged at the left end of the screw rod.
The utility model has the advantages that: the utility model discloses electric putter through designing new gear drive subassembly structure, effectively improves electric putter's transmission precision, transmission simple structure, safe and reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the electric putter of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
the parts in the drawings are numbered as follows: 1. The device comprises a machine body, 2, an alternating current motor, 3, a screw rod, 4, an intermediate gear assembly, 41, a motor gear, 42, an intermediate gear, 43, a nut gear, 44, a gearwheel, 45, a pinion, 5, a connector, 6, an upper connecting plate, 7, a pull rod, 8, a guide bearing seat, 9, a mechanical switch, 10, a collision block, 11, a manual shaft, 12, an intermediate shaft, 13, a controller, 14, a locking nut, 15, a push rod sleeve, 16, an anti-reverse block, 17, a dust cover, 18 and a breathable waterproof valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an electric putter includes a body 1, an ac motor 2 and a screw 3 for inputting power are disposed on the body 1, a middle gear assembly 4 for connecting the ac motor 2 and the screw 3 is disposed in the body 1, the middle gear assembly 4 includes a motor gear 41 engaged with an output shaft of the ac motor 2, a middle gear 42 is engaged with the motor gear 41, a nut gear 43 is engaged with a lower portion of the middle gear 42, the nut gear 43 is engaged with the screw 3, the ac motor 2 transmits power to the screw 3 through the motor gear 41, the middle gear 42 and the nut gear 43 in sequence, the middle gear 43 is integrally formed with a large gear 44 and a small gear 45, the large gear 45 is engaged with the motor gear 41, and the small gear 45 is engaged with the nut gear 43. The transmission structure is optimized through the combination of the motor gear, the intermediate gear and the female gear, so that the motion precision of the lead screw is better, and the lead screw runs more stably.
In addition, install connector 5 on the lead screw 3 left end, install upper yoke plate 6 between connector 5 and the lead screw 3, pull rod 7 is installed to the lower extreme of upper yoke plate 6, and pull rod 7 passes guide bearing seat 8, and guide bearing seat 8 sets up on the fuselage 1, is equipped with mechanical switch 9 on the guide bearing seat 8.
In addition, the left and right ends of the screw rod 3 are provided with a touch block 10 for contacting with the mechanical switch 9.
In addition, a manual shaft 11 is mounted on the motor gear 41, and the manual shaft 11 can be finely adjusted when the motor is stopped.
The intermediate gear 42 is mounted on the intermediate shaft 12, and the controller 13 is connected to the left end of the intermediate shaft 12, and the controller 13 controls the intermediate gear 42.
In addition, the nut gear 43 is fastened to the screw shaft 3 by the locknut 14.
In addition, a push rod sleeve 15 is sleeved on the right end of the screw rod 3, an anti-reversion block 16 is arranged between the push rod sleeve 15 and the screw rod 3, and a dust cover 17 and a ventilating waterproof valve 18 are arranged at the left end 3 of the screw rod.
The utility model discloses electric putter concrete theory of operation as follows: the alternating current motor 2 is started, the alternating current motor 2 transmits power to the motor gear 41, the motor gear 41 transmits the power to the large gear 44, the large gear 44 rotates to drive the small gear 45 to transmit the power to the nut gear 43, the nut gear 43 rotates to push the screw rod 3 to move forwards or backwards, and the screw rod 3 is contacted with the mechanical switch 9 through the collision block 10 on the pull rod 7 in the moving forward or backwards process to limit the moving distance of the screw rod 3.
Be different from prior art, the utility model discloses electric putter through designing new gear drive assembly structure, effectively improves electric putter's transmission precision, transmission simple structure, safe and reliable.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (7)
1. The utility model provides an electric putter, includes the fuselage, be equipped with alternating current motor and the lead screw that is used for input power on the fuselage, its characterized in that, be equipped with the intermediate gear subassembly with alternating current motor and screw connection in the fuselage, the intermediate gear subassembly include with alternating current motor output shaft engaged motor gear, the meshing has intermediate gear on the motor gear, the meshing of intermediate gear below has nut gear, nut gear and lead screw meshing, alternating current motor loops through motor gear, intermediate gear and nut gear and transmits power to lead screw, intermediate gear passes through gear wheel and pinion integrated into one piece, gear wheel and motor gear meshing, pinion and nut gear meshing.
2. The electric push rod according to claim 1, wherein a connector is mounted on the left end of the screw rod, an upper yoke plate is mounted between the connector and the screw rod, a pull rod is mounted at the lower end of the upper yoke plate, the pull rod penetrates through a guide bearing seat, the guide bearing seat is arranged on the machine body, and a mechanical switch is arranged on the guide bearing seat.
3. The electric putter as claimed in claim 2, wherein the screw shaft is further provided at left and right ends thereof with a stopper for contacting the mechanical switch.
4. The power putter of claim 1, further comprising a manual shaft mounted to the motor gear.
5. The power putter of claim 1, wherein the intermediate gear is mounted on an intermediate shaft, and a controller is further connected to a left end of the intermediate shaft.
6. The power putter of claim 1, wherein the nut gear is fixedly coupled to the lead screw by a locking nut.
7. The electric push rod according to claim 1, wherein a push rod sleeve is sleeved on the right end of the lead screw, an anti-reverse block is arranged between the push rod sleeve and the lead screw, and a dust cover and a breathable waterproof valve are arranged at the left end of the lead screw.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921266963.0U CN210246532U (en) | 2019-08-07 | 2019-08-07 | Electric push rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921266963.0U CN210246532U (en) | 2019-08-07 | 2019-08-07 | Electric push rod |
Publications (1)
Publication Number | Publication Date |
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CN210246532U true CN210246532U (en) | 2020-04-03 |
Family
ID=69963391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921266963.0U Active CN210246532U (en) | 2019-08-07 | 2019-08-07 | Electric push rod |
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CN (1) | CN210246532U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110380572A (en) * | 2019-08-07 | 2019-10-25 | 无锡艾尔特线性运动机械有限公司 | Electric pushrod |
-
2019
- 2019-08-07 CN CN201921266963.0U patent/CN210246532U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110380572A (en) * | 2019-08-07 | 2019-10-25 | 无锡艾尔特线性运动机械有限公司 | Electric pushrod |
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