CN209151026U - A kind of anti-liquid traveling wave rotary ultrasonic motor - Google Patents
A kind of anti-liquid traveling wave rotary ultrasonic motor Download PDFInfo
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- CN209151026U CN209151026U CN201821898497.3U CN201821898497U CN209151026U CN 209151026 U CN209151026 U CN 209151026U CN 201821898497 U CN201821898497 U CN 201821898497U CN 209151026 U CN209151026 U CN 209151026U
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- power supply
- sealing ring
- lead wire
- supply lead
- casing
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Abstract
The utility model discloses a kind of anti-liquid traveling wave rotary ultrasonic motors, multi-sealed anti-liquid intrusion structure is respectively equipped in casing and stator seat junction, power supply lead wire and power supply lead wire hole junction and motor shaft and stator seat junction, multi-sealed anti-liquid invades the sealing baffle structure that structure includes seal ring structure and will be again sealed off other than sealing ring, by accurate assembly, the leakproofness of traveling wave rotary ultrasonic motor is greatly improved.
Description
Technical field
The utility model relates to a kind of traveling wave rotary ultrasonic motor more particularly to a kind of rows with the intrusion of good tapping body
Wave rotary ultrasonic motor.
Background technique
Traveling wave rotary ultrasonic motor is a kind of micro machine, it utilizes the inverse piezoelectric effect of piezoelectric material, and excitation elastomer exists
Supersonic range generates micro breadth oscillation, and passes through the Novel electric that the friction between stator and rotor converts thereof into the rotary motion of rotor
Machine.Because it is with small in size, light-weight, low-speed big, noise is small, response is fast, positioning accuracy is high, without electromagnetic interference and environment
The advantages that adaptable.But existing ultrasound electric machine will appear showing for short circuit once being soaked or immersing in liquid at present
As leading to motor cisco unity malfunction.Therefore the high ultrasound of the water-proof function grade of functional, structure and simple process is developed
Motor is of great significance.
Summary of the invention
Goal of the invention: being directed to the above-mentioned prior art, proposes a kind of anti-liquid traveling wave rotary ultrasonic motor, realizes good anti-
Liquid invades effect.
Technical solution: a kind of anti-liquid traveling wave rotary ultrasonic motor, including stator seat, casing, motor shaft, stator, rotor,
The second bearing of the first bearing and the insertion casing of the rotor and the insertion stator seat is rotatablely connected, the casing
It being connect with stator seat, the casing is equipped with power supply lead wire hole, it is equipped with power supply lead wire in the power supply lead wire hole, the stator
The junction of the piezoelectric ceramics connection power supply lead wire, the casing and stator seat is equipped with the first sealing ring, first sealing
Circle is placed in sealing ring mounting groove, and is equipped on the inside of the sealing ring mounting groove for first sealing ring to be fully sealed
The first sealing baffle in the sealing ring mounting groove.
Further, backbone sealing ring is equipped between the first bearing and the stator seat, the motor shaft passes through institute
Backbone sealing ring is stated, the internal diameter of the backbone sealing ring is consistent with the motor shaft outer diameter.
Further, the power supply lead wire extends outward the power supply lead wire hole, is equipped with packet in the power supply lead wire hole
The second sealing ring of the power supply lead wire is wrapped up in, the casing on the outside of the power supply lead wire hole is equipped with and is socketed on the power supply lead wire
The second sealing baffle, the internal diameter of the two sealing baffles center through hole is consistent with the power supply lead wire outer diameter.
Further, first sealing baffle is ring-shaped baffle and is connected with the stator seat, the casing (1)
Sidewall bottom step structure and the stator seat junction form the sealing ring mounting groove, the first baffle with it is described
The side wall and interference fit of casing.
Further, the stator seat bottom center is equipped with stepped hole, and the minimum diameter of the stepped hole is greater than the bone
Frame sealing ring outer diameter, cricoid third sealing baffle is embedded at the stepped hole, and the motor shaft passes through third sealing gear
Plate, the internal diameter of the third sealing baffle center through hole are consistent with the motor shaft outer diameter.
Further, the power supply lead wire hole is stepped hole, and the internal diameter of the enlarged diameter section of the stepped hole is along axial direction by outer
It inwardly gradually tapers up, sets in the enlarged diameter section ecto-entad of the stepped hole there are two the second sealing ring.
The utility model has the advantages that the utility model casing and stator seat junction, power supply lead wire and power supply lead wire hole junction with
And motor shaft and stator seat junction are respectively equipped with multi-sealed anti-liquid intrusion structure, greatly improve traveling wave rotary ultrasonic motor
Leakproofness.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the anti-liquid traveling wave rotary ultrasonic motor of the utility model.
Specific embodiment
Further explanation is done to the utility model with reference to the accompanying drawing.
As shown in Figure 1, a kind of anti-liquid traveling wave rotary ultrasonic motor, including stator seat 2, casing 1, motor shaft 3, stator 4,
The first bearing 7 of rotor 5, rotor 5 and insertion stator seat 2 and the second bearing 6 for being embedded in casing 1 are rotatablely connected, and stator 4 is fixed
On stator seat 2, rotor 5 is mounted on motor shaft 3.Casing 1 is connect with stator seat 2, and casing 1 is equipped with power supply lead wire hole, electricity
Power supply lead wire 13 is equipped in source lead hole, the piezoelectric ceramics of stator 4 connects power supply lead wire 13.
Wherein, the junction of casing 1 and stator seat 2 is equipped with the first sealing ring 8, and the first sealing ring 8 is placed in sealing ring installation
In slot 15, and it is equipped on the inside of sealing ring mounting groove 15 for the first sealing ring 8 to be entirely sealed in sealing ring mounting groove 15
The first sealing baffle 14.First sealing baffle 14 is connected for ring-shaped baffle and with stator seat 2, the sidewall bottom of casing 1
Step structure and 2 junction of stator seat formed sealing ring mounting groove 15, first baffle 14 and the side wall of casing 1 are matched with interference
It closes.First seal structures of first sealing ring 8 as casing 1 and 2 junction of stator seat, can effectively prevent liquid from connection
The gap at place invades.Sealing ring mounting groove 15 is formed by the stepped ramp type structure that casing 1 is formed with 2 junction of stator seat, integral type
The first sealing baffle 14 by interference fit the first sealing ring 8 is effectively sealed in sealing ring mounting groove 15, i.e. conduct
Second seal structures of casing 1 and 2 junction of stator seat, to realize multi-sealed anti-liquid effect.
Backbone sealing ring 10 is equipped between first bearing 7 and stator seat 2, motor shaft 3 passes through backbone sealing ring 10, and skeleton is close
The internal diameter of seal 10 is consistent with 3 outer diameter of motor shaft.2 bottom center of stator seat is equipped with stepped hole 16, the minimum diameter of stepped hole 16
Greater than 10 outer diameter of backbone sealing ring, cricoid third sealing baffle 11 is embedded at stepped hole 16, third sealing baffle 11 passes through spiral shell
The structures such as nail are solid, and motor shaft 3 passes through third sealing baffle 11, the internal diameter and the motor shaft of 11 center through hole of third sealing baffle
3 outer diameters are consistent.Stepped hole 16 provides convenience to assembly backbone sealing ring 10 and third sealing baffle 11, and backbone sealing ring 10 is made
The first seal structures between motor shaft 3 and stator seat 2 are embedded into the third sealing baffle 11 of stepped hole 16 as second
Seal structures effectively prevent liquid to invade from motor shaft 3 and 2 junction of stator seat to form multi-sealed anti-liquid effect
Enter.
Power supply lead wire hole is stepped hole, and the internal diameter of the enlarged diameter section of stepped hole is gradually tapered up along axial ecto-entad, power supply
Lead 13 extends outward power supply lead wire hole, is equipped with two of package power supply lead wire 13 in the enlarged diameter section ecto-entad of stepped hole
Second sealing ring 9.Casing 1 on the outside of power supply lead wire hole is equipped with the second sealing baffle 12 being socketed on power supply lead wire 13, and two
The internal diameter of 12 center through hole of sealing baffle is consistent with 13 outer diameter of power supply lead wire.The outer diameter of power supply lead wire 13 and the minor diameter of stepped hole
Section diameter always, plays first of sealing function；The stepped hole that ecto-entad gradually tapers up cooperates two the second sealing rings 9, has
Effect forms the second seal structures, and the second sealing ring 9 is entirely sealed in power supply and drawn by the second sealing baffle 12 being arranged on the outside
In string holes, third seal structures are formed, i.e., the precision-fit of the above structure is formed at power supply lead wire 13 and power supply lead wire hole
Multi-sealed anti-liquid effect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of anti-liquid traveling wave rotary ultrasonic motor, including stator seat (2), casing (1), motor shaft (3), stator (4), rotor
(5), the second bearing of the first bearing (7) and the insertion casing (1) of the rotor (5) and the insertion stator seat (2)
(6) it is rotatablely connected, the casing (1) connect with stator seat (2), and the casing (1) is equipped with power supply lead wire hole, and the power supply draws
Power supply lead wire (13) are equipped in string holes, the piezoelectric ceramics of the stator (4) connects the power supply lead wire (13), it is characterised in that:
The junction of the casing (1) and stator seat (2) is equipped with the first sealing ring (8), and first sealing ring (8) is placed in sealing ring peace
In tankage (15), and it is equipped on the inside of the sealing ring mounting groove (15) for first sealing ring (8) to be entirely sealed in
The first sealing baffle (14) in the sealing ring mounting groove (15).
2. anti-liquid traveling wave rotary ultrasonic motor according to claim 1, it is characterised in that: the first bearing (7) with
Backbone sealing ring (10) are equipped between the stator seat (2), the motor shaft (3) passes through the backbone sealing ring (10), described
The internal diameter of backbone sealing ring (10) is consistent with the motor shaft (3) outer diameter.
3. anti-liquid traveling wave rotary ultrasonic motor according to claim 1, it is characterised in that: the power supply lead wire (13) to
Extend the power supply lead wire hole outside, is equipped with the second sealing ring for wrapping up the power supply lead wire (13) in the power supply lead wire hole
(9), the casing (1) on the outside of the power supply lead wire hole is equipped with the second sealing baffle being socketed on the power supply lead wire (13)
(12), the internal diameter of two sealing baffle (12) center through hole is consistent with the power supply lead wire (13) outer diameter.
4. anti-liquid traveling wave rotary ultrasonic motor according to claim 1 to 3, it is characterised in that: first sealing
Baffle (14) is ring-shaped baffle and to be connected with the stator seat (2), the step structure of the sidewall bottom of the casing (1) with
Stator seat (2) junction is formed the sealing ring mounting groove (15), first sealing baffle (14) and the casing (1)
Side wall and interference fit.
5. anti-liquid traveling wave rotary ultrasonic motor according to claim 2, it is characterised in that: stator seat (2) bottom
Center is equipped with stepped hole (16), and the minimum diameter of the stepped hole (16) is greater than the backbone sealing ring (10) outer diameter, the rank
Cricoid third sealing baffle (11) is embedded at terraced hole (16), the motor shaft (3) passes through the third sealing baffle (11), institute
The internal diameter for stating third sealing baffle (11) center through hole is consistent with the motor shaft (3) outer diameter.
6. anti-liquid traveling wave rotary ultrasonic motor according to claim 3, it is characterised in that: the power supply lead wire Kong Weijie
The internal diameter in terraced hole, the enlarged diameter section of the stepped hole is gradually tapered up along axial ecto-entad, in the enlarged diameter section of the stepped hole
Ecto-entad is set there are two the second sealing ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898497.3U CN209151026U (en) | 2018-11-19 | 2018-11-19 | A kind of anti-liquid traveling wave rotary ultrasonic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821898497.3U CN209151026U (en) | 2018-11-19 | 2018-11-19 | A kind of anti-liquid traveling wave rotary ultrasonic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209151026U true CN209151026U (en) | 2019-07-23 |
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ID=67286311
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821898497.3U Active CN209151026U (en) | 2018-11-19 | 2018-11-19 | A kind of anti-liquid traveling wave rotary ultrasonic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209151026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245608A (en) * | 2018-11-19 | 2019-01-18 | 江苏紫金东方超声电机有限公司 | A kind of anti-liquid traveling wave rotary ultrasonic motor |
-
2018
- 2018-11-19 CN CN201821898497.3U patent/CN209151026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245608A (en) * | 2018-11-19 | 2019-01-18 | 江苏紫金东方超声电机有限公司 | A kind of anti-liquid traveling wave rotary ultrasonic motor |
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