CN212899551U - Gear box and push rod motor - Google Patents
Gear box and push rod motor Download PDFInfo
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- CN212899551U CN212899551U CN202021527881.XU CN202021527881U CN212899551U CN 212899551 U CN212899551 U CN 212899551U CN 202021527881 U CN202021527881 U CN 202021527881U CN 212899551 U CN212899551 U CN 212899551U
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- worm
- worm wheel
- push rod
- rotate
- wheel
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Abstract
The utility model discloses a gear box and push rod motor. A gearbox, comprising: the first worm can rotate; the first worm wheel is meshed with the first worm, and the first worm can drive the first worm wheel to rotate; the second worm can rotate; and the second worm wheel is meshed with a second worm, the second worm can drive the second worm wheel to rotate, and the second worm and the first worm wheel synchronously rotate. Has the advantages that: the first worm wheel and the second worm rotate synchronously, so that the first worm, the first worm wheel, the second worm and the second worm wheel can form a two-stage worm and gear mechanism capable of continuously reducing speed, and the gear box can be compact in structure and stable in transmission. The utility model relates to a gear drive.
Description
Technical Field
The utility model relates to a gear drive, in particular to gear box and push rod motor.
Background
The push rod motor is a driving unit capable of outputting power through a telescopic mechanism. In order to improve the output force and the motion stability of the push rod motor, the push rod motor usually comprises a gear box, and a speed reducing mechanism is arranged in the gear box. Among the prior art, reduction gears in the gear box of push rod motor usually includes the duplicate gear of multistage, and intermeshing through the duplicate gear can realize reducing speed step by step, and technical defect lies in: in order to realize a larger transmission ratio, a conventional reduction mechanism needs to be provided with a plurality of stages of duplicate gears, when the number of the duplicate gears is larger, the volume of the reduction mechanism is larger and looser, and the duplicate gears are easy to generate larger noise and vibration when being meshed with each other, so that the transmission stability of the gear box is poorer, and the miniaturization of the gear box is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a gear box and push rod motor that the noise is little, the transmission is steady and compact structure.
The technical scheme adopted for solving the technical problems is as follows:
a gearbox, comprising:
the first worm can rotate;
the first worm wheel is meshed with the first worm, and the first worm can drive the first worm wheel to rotate;
the second worm can rotate;
and the second worm wheel is meshed with a second worm, the second worm can drive the second worm wheel to rotate, and the second worm and the first worm wheel synchronously rotate.
The gearbox at least has the following beneficial effects:
the first worm wheel and the second worm rotate synchronously, so that the first worm, the first worm wheel, the second worm and the second worm wheel can form a two-stage worm and gear mechanism capable of continuously reducing speed, and the gear box can be compact in structure and stable in transmission.
In a possible embodiment of the invention, the first worm wheel is integral with the second worm. The first worm wheel and the second worm are integrated, so that the structure of the gear box is more compact.
In a possible embodiment of the present invention, a plurality of lightening holes and a plurality of reinforcing ribs are provided between the rim and the hub of the first worm wheel, and the lightening holes are provided between the reinforcing ribs. The reinforcing ribs and the lightening holes can ensure that the first worm wheel has good structural strength and light self weight, so that the first worm wheel is easy to drive.
In one possible embodiment of the present invention, the first worm gear is a helical gear. The first worm wheel is a helical gear, so that the transmission stability between the first worm and the first worm wheel can be enhanced, and the noise and vibration can be reduced.
In a possible embodiment of the invention, the second worm gear is a helical gear. The second worm wheel is a helical gear, so that the transmission stability between the second worm and the second worm wheel can be enhanced, and the noise and vibration can be reduced.
The push rod motor comprises a gear box.
The utility model discloses an in a possible embodiment, the push rod motor still includes drive unit, and first worm is connected with drive unit, and drive unit can drive first worm and rotate. The driving unit can output power to the gear box through the first worm.
In a possible embodiment of the present invention, the push rod motor further includes a rod sleeve and a push rod, and the gear box can drive the push rod to retract into the rod sleeve or extend out of the rod sleeve. The rod sleeve and the push rod can realize the telescopic function, so that the driving unit can realize power output through the gear box, the rod sleeve and the push rod.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a push rod motor according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a push rod motor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the first worm wheel and the second worm according to the embodiment of the present invention;
reference numerals:
the worm gear comprises a first worm 1, a first worm wheel 2, a lightening hole 3, a reinforcing rib 4, a second worm 5, a second worm wheel 6, a shell 7, a driving unit 8, a rod sleeve 9 and a push rod 10.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, a gearbox includes:
the first worm 1, the first worm 1 can rotate;
the first worm wheel 2 is meshed with the first worm 1, and the first worm 1 can drive the first worm wheel 2 to rotate;
a second worm 5, the second worm 5 being rotatable;
and the second worm wheel 6 is meshed with the second worm 5, the second worm 5 can drive the second worm wheel 6 to rotate, and the second worm 5 and the first worm wheel 2 synchronously rotate.
The gearbox at least has the following beneficial effects:
the first worm wheel 2 and the second worm 5 rotate synchronously, so that the first worm 1, the first worm wheel 2, the second worm 5 and the second worm wheel 6 can form a two-stage worm and gear mechanism capable of continuously reducing speed, and the gear box can be compact in structure and stable in transmission.
Regarding the first worm 1, the first worm 1 is connected with a driving unit 8, and the driving unit 8 can drive the first worm 1 to rotate.
With regard to the first worm wheel 2, the first worm wheel 2 is rotationally connected to the housing 7 by a shaft.
Regarding the second worm 5, the second worm 5 rotates synchronously with the first worm wheel 2, so that the two-stage worm and gear mechanism can realize continuous speed reduction, thereby enabling the gear box to have a large transmission ratio and a compact structure. The first worm wheel 2 and the second worm 5 are coaxially arranged, and the first worm wheel 2 and the second worm 5 are rotatably connected in the housing 7 through the same shaft rod.
As for the second worm wheel 6, the second worm wheel 6 is provided at one end of the lever sleeve 9. The second worm wheel 6 is arranged in parallel with the first worm 1. The end of the second worm wheel 6 is provided with a bearing which can guide the second worm wheel 6 to rotate in the housing 7. The second worm wheel 6 can drive the push rod 10 to extend and retract in the rod sleeve 9 through the ball screw mechanism, so that the power output of the motor of the push rod 10 is realized.
In a possible embodiment, the first worm wheel 2 is integral with the second worm 5. The first worm wheel 2 and the second worm 5 are integrated, so that the structure of the gear box can be more compact.
In one possible embodiment, a plurality of lightening holes 3 and a plurality of reinforcing ribs 4 are arranged between the rim and the hub of the first worm wheel 2, and the lightening holes 3 are arranged between the reinforcing ribs 4. The reinforcing ribs 4 and the lightening holes 3 can ensure that the first worm wheel 2 has good structural strength and light self weight, so that the first worm wheel 2 is easy to drive.
In a possible embodiment, the first worm wheel 2 is a helical gear. The first worm wheel 2 is a helical gear, so that the transmission stability between the first worm 1 and the first worm wheel 2 can be enhanced, and the noise and vibration can be reduced.
In a possible embodiment, the second worm wheel 6 is a helical gear. The second worm wheel 6 is a helical gear, so that the transmission stability between the second worm 5 and the second worm wheel 6 can be enhanced, and the noise and vibration can be reduced.
The push rod 10 motor includes a gear box.
In a possible embodiment, the push rod 10 motor further comprises a driving unit 8, the first worm 1 is connected with the driving unit 8, and the driving unit 8 can drive the first worm 1 to rotate. The drive unit 8 can output power to the gear box through the first worm 1.
As for the driving unit 8, the driving unit 8 may be selected from, but not limited to, a motor.
In a possible embodiment, the push rod 10 motor further comprises a rod sleeve 9 and a push rod 10, and the gear box can drive the push rod 10 to retract into the rod sleeve 9 or extend out of the rod sleeve 9. The rod sleeve 9 and the push rod 10 can realize a telescopic function, so that the driving unit 8 can realize power output through the gear box, the rod sleeve 9 and the push rod 10.
Regarding the rod sleeve 9, a ball screw mechanism is further arranged in the rod sleeve 9, so that the second worm wheel 6 can drive the push rod 10 to achieve a telescopic function in the rod sleeve 9.
Regarding the push rod 10 motor, when the driving unit 8 operates, the first worm 1 can rotate in the a direction shown in fig. 2, the first worm wheel 2 and the second worm 5 can rotate in the B direction shown in fig. 2, the second worm wheel 6 can rotate in the C direction shown in fig. 2, and the push rod 10 can translate in the D direction shown in fig. 2.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A gearbox, comprising:
a first worm rotatable;
the first worm wheel is meshed with the first worm, and the first worm can drive the first worm wheel to rotate;
a second worm rotatable;
and the second worm wheel is meshed with the second worm, the second worm can drive the second worm wheel to rotate, and the second worm and the first worm wheel synchronously rotate.
2. The gearbox of claim 1, wherein: the first worm gear is integral with the second worm.
3. The gearbox of claim 1, wherein: a plurality of lightening holes and a plurality of reinforcing ribs are arranged between the wheel rim of the first worm wheel and the wheel hub, and the lightening holes are arranged between the reinforcing ribs.
4. The gearbox of claim 1, wherein: the first worm gear is a helical gear.
5. The gearbox of claim 1, wherein: the second worm gear is a helical gear.
6. Push rod motor, its characterized in that: comprising a gearbox according to any of the claims 1 to 5.
7. The pusher motor of claim 6, wherein: the push rod motor further comprises a driving unit, the first worm is connected with the driving unit, and the driving unit can drive the first worm to rotate.
8. The pusher motor of claim 7, wherein: the push rod motor further comprises a rod sleeve and a push rod, and the gear box can drive the push rod to retract into the rod sleeve or extend out of the rod sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527881.XU CN212899551U (en) | 2020-07-28 | 2020-07-28 | Gear box and push rod motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527881.XU CN212899551U (en) | 2020-07-28 | 2020-07-28 | Gear box and push rod motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899551U true CN212899551U (en) | 2021-04-06 |
Family
ID=75231872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021527881.XU Active CN212899551U (en) | 2020-07-28 | 2020-07-28 | Gear box and push rod motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899551U (en) |
-
2020
- 2020-07-28 CN CN202021527881.XU patent/CN212899551U/en active Active
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