CN219712224U - Actuator and liftable device - Google Patents
Actuator and liftable device Download PDFInfo
- Publication number
- CN219712224U CN219712224U CN202321398817.XU CN202321398817U CN219712224U CN 219712224 U CN219712224 U CN 219712224U CN 202321398817 U CN202321398817 U CN 202321398817U CN 219712224 U CN219712224 U CN 219712224U
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- Prior art keywords
- assembly
- housing
- transmission assembly
- actuator
- shock absorbing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 89
- 230000035939 shock Effects 0.000 claims abstract description 48
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides an actuator and a liftable device. The actuator includes: a housing assembly including a first housing; a driving assembly and a transmission assembly are arranged in the first shell; the drive assembly includes an output shaft connected with the transmission assembly and a first shock absorbing portion disposed between the output shaft and the transmission assembly. The technical scheme provided by the utility model improves the connection mode between the driving assembly and the transmission assembly, and the first damping part is arranged between the driving assembly and the transmission assembly, so that the effects of compensating gaps and buffering can be achieved, the vibration in the transmission process is reduced, and the impact load is reduced.
Description
Technical Field
The utility model relates to the technical field of actuators, in particular to an actuator and a lifting device.
Background
Linear actuators are widely used in various kinds of liftable furniture, such as beds, tables, chairs and other adjustable items. Generally, a linear actuator includes a drive assembly and a transmission assembly, with a motor in the drive assembly providing power to be transmitted to the transmission assembly through a power take-off shaft. During the application, as the use frequency of furniture is high, the vibration and impact between the driving component and the transmission component are easy to damage the structure inside the actuator during the power transmission process; thereby affecting the service life thereof.
Disclosure of Invention
In order to solve the above-described problems, the present utility model provides an actuator comprising: a housing assembly including a first housing; a driving assembly and a transmission assembly are arranged in the first shell; the drive assembly includes an output shaft connected with the transmission assembly and a first shock absorbing portion disposed between the output shaft and the transmission assembly.
In this embodiment, the actuator includes a housing assembly, and a drive assembly and a transmission assembly disposed within the housing, wherein the drive assembly is configured to provide power and generally includes a motor and an output shaft. The output shaft is connected with the transmission assembly and transmits the power of the motor to the transmission assembly. Since the vibration of each part in the transmission process is easy to damage in the power transmission process, the first damping part is arranged on the output shaft and the transmission assembly. Generally, the first shock absorbing portion is a spacer, assumed to be between the output shaft and the transmission assembly. In one embodiment, the first shock absorbing portion is an elastic buffer pad, which can compensate for a gap between the output shaft and the transmission assembly, and plays a role in buffering.
In one example of this embodiment, the output shaft and the transmission assembly are connected by a coupling; the coupling comprises a first connecting end and a second connecting end, the first connecting end is connected with the output shaft, and the second connecting end is connected with the transmission assembly; a first shock absorbing portion is disposed intermediate the first and second connection ends.
In this embodiment, a coupling is used to connect the output shaft to the drive assembly, and typically the rotating assembly includes a screw, with the coupling being connected between the output shaft and the screw. In one embodiment, the coupling includes a first connection end and a second connection end for connecting the output shaft and the transmission assembly, respectively. The shaft coupling can compensate the skew of diaxon, sets up first damping portion between first link and second link, is favorable to first damping portion to fix between output shaft and drive assembly.
In one example of this embodiment, the second connection end and the drive assembly are connected by screws.
In this embodiment, the screw connection is adopted to be more convenient for the installation between the second link of shaft coupling and the drive assembly, also makes the fixed firm between the two. Generally, the first shock absorbing portion is an annular spacer, and a circular hole in the center of the spacer is used for accommodating a screw for connecting the second connecting end and the transmission assembly, because the first shock absorbing portion is clamped between the first connecting end and the second connecting end.
In one example of this embodiment, the housing assembly further includes a second housing sleeved outside the first housing; the transmission assembly is arranged at one end of the shell assembly and is fixedly connected to the second shell; the driving assembly is arranged at one end of the shell assembly away from the transmission assembly and is fixedly connected to the first shell.
In this embodiment, the transmission assembly and the driving assembly are respectively mounted at two ends of the housing assembly, and the housing assembly includes a first housing and a second housing that are sleeved inside and outside. The transmission assembly and the driving assembly are respectively fixed on the first shell and the second shell, so that the installation and the maintenance are convenient.
In one example of this embodiment, a second shock absorbing portion is provided between the transmission assembly and the second housing.
In this embodiment, vibrations are also easily generated between the transmission assembly and the second housing due to the transmission of power, and further, the vibrations can be transmitted to other devices to which the actuator is connected. Noise is also easily generated due to vibration between objects, affecting the user's experience. Thus, a second shock absorbing portion is provided between the transmission assembly and the second housing; in particular, the second shock absorbing portion may be a shock absorbing pad sandwiched between the transmission assembly and the second housing. In the motion process of the transmission assembly, the power can be absorbed by the second damping part before being transmitted to the second shell, so that the effects of damping and noise reduction are achieved.
In one example of this embodiment, the second housing is provided with a mounting location thereon; the transmission assembly comprises a mounting plate;
the second shock-absorbing portion wraps the mounting plate and is mounted at the mounting position.
In this embodiment, in order to enhance the connection tightness between the second housing and the transmission assembly, a mounting position is provided on the second housing, so that the mounting plate of the transmission assembly can be embedded in the mounting position. Further, the second damping portion wraps the periphery of the mounting plate, and the second damping portion and the mounting plate are matched and mounted in the mounting position, so that the damping and noise reduction effects of the second damping portion are effectively enhanced.
In one example of this embodiment, the drive assembly and the second housing are connected by screws; wherein, the mounting plate is provided with a screw mounting part in a protruding way; the second shock absorbing portion comprises a screw section; the screw section is arranged around the periphery of the screw mounting part.
In this embodiment, the transmission assembly and the second housing are connected by a screw, so that the connection between the transmission assembly and the second housing is more secure, and relative movement between the transmission assembly and the second housing is avoided. Further, the screw mounting portion is arranged on the mounting plate in a protruding mode, in order to enable the damping effect of the second damping portion to be further improved, the screw section is arranged, the periphery of the screw mounting portion is surrounded, gaps can be effectively compensated, and the damping effect is achieved.
In one example of this embodiment, a third shock absorbing portion is provided between the drive assembly and the first housing.
In this embodiment, during the process that the driving assembly drives the transmission assembly to move, vibration may be further transmitted to the first housing, and further transmitted outwards. It is thus necessary to provide a third shock absorber between the first housing and the drive assembly.
In one example of this embodiment, the first shock absorbing portion includes a motor section and a tail cap section; the motor section is sleeved on the periphery of the driving assembly; the tail cap section is clamped between the driving assembly and the first shell.
In the embodiment, since the motor in the driving assembly vibrates, a motor section is arranged at the periphery of the driving assembly and corresponds to the position of the motor in the driving assembly; further, a tail cap section is provided corresponding to the position of the tail cap plate in the drive assembly. The motor section and the tail cover section form a third damping part together and wrap one end, close to the motor, of the driving assembly, so that vibration generated in the process of moving each part can be absorbed by the third damping part first, and noise is avoided.
The utility model also provides a lifting device comprising an actuator as claimed in any one of the preceding claims. Therefore, the above-mentioned advantages of any embodiment are not described herein.
Drawings
Fig. 1 is a schematic structural diagram of an actuator according to an embodiment of the present utility model.
Fig. 2 is a schematic view of the actuator of fig. 1 from another perspective.
FIG. 3 is a cross-sectional view taken at A-A' of FIG. 2.
Fig. 4 is a partial enlarged view at B in fig. 3.
Fig. 5 is a partial enlarged view at C in fig. 3.
Fig. 6 is a partial enlarged view at D in fig. 3.
Fig. 7 is a schematic structural view of a second shock absorbing portion according to an embodiment of the present utility model.
Reference numerals illustrate:
a 100-housing assembly; 110-a first housing; 120-a second housing; 121-mounting position; 200-a drive assembly; 210-an output shaft; 300-a transmission assembly 310-a mounting plate 311-a screw mounting portion; 410-a first shock absorbing portion; 420-a second shock absorbing portion; 421-screw section; 430-a third shock absorber; 431-motor section; 432-tail cap section; 500-shaft coupling; 510-a first connection; 520-second connection.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Embodiment one:
referring to fig. 1-7, the present embodiment provides an actuator comprising: a housing assembly 100 including a first housing 110; the inside of the first housing 110 is provided with a driving assembly 200 and a transmission assembly 300; the driving assembly 200 includes an output shaft 210, the output shaft 210 is connected with the transmission assembly 300, and a first shock absorbing portion 410 is provided between the output shaft 210 and the transmission assembly 300.
In the present embodiment, the actuator includes a housing assembly 100, and a driving assembly 200 and a transmission assembly 300 disposed inside the housing, wherein the driving assembly 200 is used for providing power and generally includes a motor and an output shaft 210. The output shaft 210 is connected to the transmission assembly 300, and transmits power of the motor to the transmission assembly 300. Since the vibration of the respective parts during the transmission is easily damaged during the power transmission, the first shock absorbing part 410 is provided at the output shaft 210 and the transmission assembly 300. Generally, the first shock absorbing portion 410 is a spacer, and is assumed to be between the output shaft 210 and the transmission assembly 300. In one embodiment, the first shock absorbing portion 410 is a resilient cushion that compensates for the gap between the output shaft 210 and the transmission assembly 300, and provides a cushioning effect.
In one example of this embodiment, the output shaft 210 and the transmission assembly 300 are connected by a coupling 500; the coupling 500 includes a first connection end 510 and a second connection end 520, the first connection end 510 being connected to the output shaft 210, the second connection end 520 being connected to the transmission assembly 300; the first shock absorbing portion 410 is provided between the first connection end 510 and the second connection end 520.
In the present embodiment, the coupling 500 is used to connect the output shaft 210 and the transmission assembly 300, and in general, the rotation assembly includes a screw, and the coupling 500 is connected between the output shaft 210 and the screw. In one embodiment, the coupling 500 includes a first connection end 510 and a second connection end 520 for connecting the output shaft 210 and the transmission assembly 300, respectively. The coupling 500 can compensate for misalignment of the two shafts, and the first shock absorbing portion 410 is disposed between the first connection end 510 and the second connection end 520, which is advantageous for securing the first shock absorbing portion 410 between the output shaft 210 and the transmission assembly 300.
In one example of this embodiment, the second connection end 520 and the transmission assembly 300 are connected by screws.
In this embodiment, the use of a screw connection further facilitates the installation of the second connection end 520 of the coupling 500 and the transmission assembly 300, and also provides a stronger fixation therebetween. Generally, the first shock absorbing portion 410 is an annular spacer having a circular hole at the center for receiving a screw for coupling the second connection end 520 and the transmission assembly 300, since it is interposed between the first connection end 510 and the second connection end 520.
In one example of this embodiment, the housing assembly 100 further includes a second housing 120 sleeved outside the first housing 110; the transmission assembly 300 is disposed at one end of the housing assembly 100 and is fixedly connected to the second housing 120; the driving assembly 200 is disposed at an end of the housing assembly 100 remote from the transmission assembly 300, and is fixedly connected to the first housing 110.
In the present embodiment, the transmission assembly 300 and the driving assembly 200 are respectively installed at both ends of the housing assembly 100, and the housing assembly 100 includes a first housing 110 and a second housing 120 which are internally and externally installed. The transmission assembly 300 and the driving assembly 200 are fixed to the first housing 110 and the second housing 120, respectively, for easy installation and maintenance.
In one example of the present embodiment, a second shock absorbing portion 420 is provided between the transmission assembly 300 and the second housing 120.
In this embodiment, vibration is also easily generated between the transmission assembly 300 and the second housing 120 due to the transmission of power, and further, the vibration can be transmitted to other devices to which the actuator is connected. Noise is also easily generated due to vibration between objects, affecting the user's experience. Accordingly, a second shock absorbing portion 420 is provided between the transmission assembly 300 and the second housing 120; specifically, the second shock absorbing part 420 may be a shock pad interposed between the transmission assembly 300 and the second housing 120. During the movement of the transmission assembly 300, the power may be absorbed by the second shock absorbing portion 420 before being transmitted to the second housing 120, thereby performing the shock absorbing and noise reducing functions.
In one example of the present embodiment, the second housing 120 is provided with a mounting location 121; the transmission assembly 300 includes a mounting plate 310;
the second shock absorbing part 420 wraps around the mounting plate 310 and is mounted to the mounting position 121.
In the present embodiment, in order to strengthen the connection tightness between the second housing 120 and the transmission assembly 300, the mounting location 121 is provided on the second housing 120 such that the mounting plate 310 of the transmission assembly 300 may be embedded in the mounting location 121. Further, the second damping portion 420 wraps the outer periphery of the mounting plate 310, and the second damping portion 420 and the mounting plate are matched and mounted in the mounting position 121, so that the damping and noise reducing effects of the second damping portion 420 are effectively enhanced.
In one example of this embodiment, the transmission assembly 300 and the second housing 120 are connected by screws; wherein the mounting plate 310 is provided with a screw mounting portion 311 protruding therefrom; the second shock absorbing part 420 includes a screw section 421; the screw section 421 is provided around the periphery of the screw mounting portion 311.
In this embodiment, the transmission assembly 300 and the second housing 120 are connected by screws, so that the connection between the two can be fastened more, and the relative movement between the transmission assembly 300 and the second housing 120 is avoided. Further, the screw mounting portion 311 is protruded on the mounting plate 310, so that the damping effect of the second damping portion 420 is further improved, the screw section 421 is provided, and the periphery of the screw mounting portion 311 is surrounded, so that a gap can be effectively compensated, and a damping effect is achieved.
In one example of the present embodiment, a third shock absorbing portion 430 is provided between the driving assembly 200 and the first housing 110.
In the present embodiment, during the process of the driving assembly 200 driving the transmission assembly 300 to move, vibration may be further transmitted to the first housing 110 and further transmitted outwards. It is thus necessary to provide the third shock absorbing part 430 between the first housing 110 and the driving assembly 200.
In one example of the present embodiment, the first shock absorbing part 410 includes a motor section 431 and a tail cap section 432; the motor section 431 is sleeved on the periphery of the driving assembly 200; the tail cap section 432 is sandwiched between the drive assembly 200 and the first housing 110.
In the present embodiment, since the motor in the driving assembly 200 itself vibrates, the motor section 431 is disposed at the outer circumference of the driving assembly 200, corresponding to the position of the motor in the driving assembly 200; further, a tail cap section 432 is provided corresponding to the position of the tail cap plate in the drive assembly 200. The motor section 431 and the tail cover section 432 together form the third shock absorbing portion 430 and wrap one end of the driving assembly 200 close to the motor, so that when each component is in motion, the generated shock can be absorbed by the third shock absorbing portion 430 first, and noise is avoided.
The embodiment also provides a liftable device comprising the actuator of any one of the above.
Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.
Claims (10)
1. An actuator, comprising:
a housing assembly (100) comprising a first housing (110);
a driving assembly (200) and a transmission assembly (300) are arranged in the first shell (110);
the drive assembly (200) comprises an output shaft (210), the output shaft (210) is connected with the transmission assembly (300), and a first shock absorbing part (410) is arranged between the output shaft (210) and the transmission assembly (300).
2. The actuator of claim 1, wherein the output shaft (210) and the transmission assembly (300) are connected by a coupling (500);
the coupler (500) comprises a first connecting end (510) and a second connecting end (520), wherein the first connecting end (510) is connected with the output shaft (210), and the second connecting end (520) is connected with the transmission assembly (300);
a first shock absorbing portion (410) is provided between the first connection end (510) and the second connection end (520).
3. The actuator of claim 2, wherein the second connection end (520) and the transmission assembly (300) are connected by a screw.
4. The actuator of claim 1, wherein the housing assembly (100) further comprises a second housing (120) that is sleeved outside the first housing (110);
the transmission assembly (300) is arranged at one end of the shell assembly (100) and is fixedly connected to the second shell (120);
the driving assembly (200) is arranged at one end of the shell assembly (100) far away from the transmission assembly (300) and is fixedly connected to the first shell (110).
5. The actuator of claim 4, wherein a second shock absorber (420) is provided between the transmission assembly and the second housing (120).
6. The actuator of claim 5, wherein the actuator is configured to move the actuator,
the second shell (120) is provided with a mounting position (121);
the drive assembly (300) includes a mounting plate (310);
the second shock absorbing part (420) wraps the mounting plate (310) and is mounted at the mounting position (121).
7. The actuator of claim 5, wherein the transmission assembly (300) and the second housing (120) are connected by a screw;
wherein, the mounting plate (310) is provided with a screw mounting part (311) in a protruding way; the second shock absorbing portion (420) comprises a screw section (421); the screw section (421) is arranged around the periphery of the screw mounting part (311).
8. The actuator of claim 4, wherein a third shock absorbing portion (430) is provided between the drive assembly (200) and the first housing (110).
9. The actuator of claim 8, wherein the third shock absorber (430) comprises a motor section (431) and a tail cap section (432);
the motor section (431) is sleeved on the periphery of the driving assembly (200);
the tail cap section (432) is sandwiched between the drive assembly (200) and the first housing (110).
10. A lifting device comprising an actuator according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398817.XU CN219712224U (en) | 2023-06-02 | 2023-06-02 | Actuator and liftable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398817.XU CN219712224U (en) | 2023-06-02 | 2023-06-02 | Actuator and liftable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712224U true CN219712224U (en) | 2023-09-19 |
Family
ID=87999915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321398817.XU Active CN219712224U (en) | 2023-06-02 | 2023-06-02 | Actuator and liftable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712224U (en) |
-
2023
- 2023-06-02 CN CN202321398817.XU patent/CN219712224U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |