CN219712224U - Actuator and liftable device - Google Patents

Abstract

The utility model provides an actuator and a lifting device. The actuator includes: a housing assembly, including a first housing; a driving assembly and a transmission assembly are arranged inside the first housing; the driving assembly includes an output shaft, the output shaft is connected to the transmission assembly, and between the output shaft and the transmission assembly A first shock absorber is provided. The technical solution provided by the utility model improves the connection method between the driving component and the transmission component. A first shock absorbing part is provided between the two, which can compensate for the gap and buffer, and reduce vibration and vibration during the transmission process. Reduce impact loads.

Description

An actuator, a lifting device

Technical field

The utility model relates to the technical field of actuators, specifically, to an actuator and a lifting device.

Background technique

Linear actuators are widely used in various furniture that can be raised and lowered, such as beds, tables, chairs and other adjustable items. Generally speaking, a linear actuator includes a driving component and a transmission component. The motor in the driving component provides power, which is transmitted to the transmission component through the power output shaft. During the application process, due to the relatively high frequency of use of furniture, during the power transmission process, the vibration and impact between the driving component and the transmission component can easily damage the internal structure of the actuator, thus affecting its service life.

Utility model content

In order to solve the above problems, the utility model provides an actuator, which includes: a housing assembly, including a first housing; a driving assembly and a transmission assembly are provided inside the first housing; the driving assembly includes an output shaft, and the output shaft and the transmission assembly The components are connected, and a first shock absorbing part is provided between the output shaft and the transmission component.

In this embodiment, the actuator includes a housing component and a driving component and a transmission component disposed inside the housing. The driving component is used to provide power and generally includes a motor and an output shaft. The output shaft is connected to the transmission component and transmits the power of the motor to the transmission component. Since various parts are easily damaged by vibration during power transmission, a first shock absorber is provided on the output shaft and transmission assembly. Generally speaking, the first shock absorbing part is a spacer, which is assumed to be between the output shaft and the transmission assembly. In a specific embodiment, the first shock-absorbing part is an elastic buffer pad, which can compensate for the gap between the output shaft and the transmission assembly and play a buffering role.

In one example of this embodiment, the output shaft and the transmission assembly are connected through a coupling; the coupling includes a first connection end and a second connection end, the first connection end is connected to the output shaft, and the second connection end is connected to the transmission assembly; A first shock absorbing portion is provided between the first connecting end and the second connecting end.

In this embodiment, the coupling is used to connect the output shaft and the transmission assembly. Generally, the rotating assembly includes a screw rod, and the coupling is connected between the output shaft and the screw rod. In a specific embodiment, the coupling includes a first connecting end and a second connecting end, respectively used to connect the output shaft and the transmission assembly. The coupling can compensate for the offset of the two shafts, and the first damping part is arranged between the first connecting end and the second connecting end, which is beneficial to fixing the first damping part between the output shaft and the transmission assembly.

In an example of this embodiment, the second connecting end and the transmission assembly are connected through screws.

In this embodiment, the screw connection is used to facilitate the installation between the second connecting end of the coupling and the transmission component, and also makes the fixing between the two more secure. Generally, since it is sandwiched between the first connecting end and the second connecting end, the first shock absorbing part is an annular gasket, and the circular hole in the center of the gasket is used to accommodate the screws connecting the second connecting end and the transmission assembly. .

In an example of this embodiment, the housing assembly further includes a second housing that is sleeved outside the first housing; the transmission assembly is provided at one end of the housing assembly and is fixedly connected to the second housing; the driving assembly is provided with The end of the housing component away from the transmission component is fixedly connected to the first housing.

In this embodiment, the transmission assembly and the driving assembly are respectively installed at both ends of the housing assembly, and the housing assembly includes a first housing and a second housing that are internally and externally mounted. The transmission assembly and the driving assembly are fixed on the first housing and the second housing respectively, which facilitates installation and maintenance.

In one example of this embodiment, a second shock absorbing portion is provided between the transmission assembly and the second housing.

In this embodiment, due to the transmission of power, vibration is easily generated between the transmission component and the second housing. Furthermore, the vibration can also be transmitted to other equipment connected to the actuator. Due to the vibration between objects, noise is also easily generated, affecting the user's experience. Therefore, a second shock absorbing part is provided between the transmission component and the second housing; specifically, the second shock absorbing part may be a shock absorbing pad sandwiched between the transmission component and the second housing. During the movement of the transmission assembly, the power can be absorbed by the second shock-absorbing part before being transmitted to the second housing, thereby achieving shock-absorbing and noise-reducing effects.

In an example of this embodiment, the second housing is provided with a mounting position; the transmission assembly includes a mounting plate;

The second shock absorbing part wraps the mounting plate and is installed at the mounting position.

In this embodiment, in order to strengthen the tightness of the connection 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 installation position. Furthermore, the second shock-absorbing part is wrapped around the outer periphery of the installation plate, and the two cooperate and are installed in the installation position, which effectively enhances the shock-absorbing and noise-reducing effect of the second shock-absorbing part.

In one example of this embodiment, the transmission assembly and the second housing are connected by screws; wherein the mounting plate protrudes to provide a screw mounting portion; the second shock absorbing portion includes a screw segment; the screw segment is surrounding the periphery of the screw mounting portion.

In this embodiment, the transmission component and the second housing are connected through screws, which can make the connection between the two more secure and prevent relative movement between the transmission component and the second housing. Furthermore, a screw mounting part is protrudingly provided on the mounting plate. In order to further improve the damping effect of the second shock absorbing part, a screw section is provided and surrounded by the periphery of the screw mounting part, which can effectively compensate for the gap. , acting as a buffer.

In one example of this embodiment, a third shock absorbing portion is provided between the driving assembly and the first housing.

In this embodiment, when the driving component drives the transmission component to move, the vibration may also be transmitted to the first housing and further transmitted outward. Therefore, it is very necessary to provide a third shock absorbing portion between the first housing and the driving assembly.

In one example of this embodiment, the first shock absorbing part includes a motor section and a tail cover section; the motor section is sleeved on the outer periphery of the driving component; and the tail cover section is sandwiched between the driving component and the first housing.

In this embodiment, since the motor in the drive assembly itself will vibrate, a motor section is provided on the outer periphery of the drive assembly, corresponding to the position of the motor in the drive assembly; further, a tail cover section is provided, corresponding to the position of the tail cover in the drive assembly. . The motor section and the tail cover section together form the third shock-absorbing part, and wrap the end of the drive assembly close to the motor. Therefore, when each component is in motion, the vibrations generated can be first absorbed by the third shock-absorbing part. Absorb and avoid the generation of noise.

The utility model also provides a liftable device, including the actuator described in any one of the above. Therefore, it has the beneficial effects of any of the above examples, which will not be described again here.

Description of drawings

Figure 1 is a schematic structural diagram of an actuator provided by an embodiment of the present invention.

Figure 2 is a schematic structural diagram of the actuator in Figure 1 from another perspective.

Figure 3 is a cross-sectional view taken at A-A’ in Figure 2.

Figure 4 is a partial enlarged view of location B in Figure 3.

Figure 5 is a partial enlarged view of C in Figure 3.

Figure 6 is a partial enlarged view of D in Figure 3.

Figure 7 is a schematic structural diagram of the second shock absorbing part in the embodiment of the present invention.

Explanation of reference symbols:

100-case assembly; 110-first case; 120-second case; 121-installation position; 200-drive assembly; 210-output shaft; 300-transmission assembly 310-installation plate 311-screw installation part; 410 -First shock absorbing part; 420-Second shock absorbing part; 421-Screw section; 430-Third shock absorbing part; 431-Motor section; 432-Tail cover section; 500-Coupling; 510-First connection terminal; 520-the second connection terminal.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

Referring to Figures 1-7, this embodiment provides an actuator, including: a housing assembly 100, including a first housing 110; a driving assembly 200 and a transmission assembly 300 are provided inside the first housing 110; the driving assembly 200 includes The output shaft 210 is connected to the transmission assembly 300 , and a first shock absorber 410 is provided between the output shaft 210 and the transmission assembly 300 .

In this embodiment, the actuator includes a housing assembly 100 and a driving assembly 200 and a transmission assembly 300 disposed inside the housing. The driving assembly 200 is used to provide power and generally includes a motor and an output shaft 210 . The output shaft 210 is connected to the transmission assembly 300 and transmits the power of the motor to the transmission assembly 300 . Since various parts are easily damaged by vibration during power transmission, a first shock absorber 410 is provided on the output shaft 210 and the transmission assembly 300 . Generally speaking, the first shock absorbing portion 410 is a spacer, which is assumed to be between the output shaft 210 and the transmission assembly 300 . In a specific implementation, the first shock absorbing part 410 is an elastic cushion pad, which can compensate for the gap between the output shaft 210 and the transmission assembly 300 and play a buffering role.

In one example of this embodiment, the output shaft 210 and the transmission assembly 300 are connected through a coupling 500; the coupling 500 includes a first connecting end 510 and a second connecting end 520, and the first connecting end 510 is connected to the output shaft 210, The second connecting end 520 is connected to the transmission assembly 300; a first shock absorbing portion 410 is provided between the first connecting end 510 and the second connecting end 520.

In this embodiment, the coupling 500 is used to connect the output shaft 210 and the transmission assembly 300. Generally, the rotating assembly includes a screw rod, and the coupling 500 is connected between the output shaft 210 and the screw rod. In a specific embodiment, the coupling 500 includes a first connecting end 510 and a second connecting end 520, respectively used to connect the output shaft 210 and the transmission assembly 300. The coupling 500 can compensate for the offset of the two shafts. The first damping part 410 is arranged between the first connecting end 510 and the second connecting end 520, which is beneficial to fixing the first damping part 410 on the output shaft 210 and the transmission. Between 300 components.

In one example of this embodiment, the second connecting end 520 and the transmission assembly 300 are connected through screws.

In this embodiment, the use of screw connection makes it easier to install the second connecting end 520 of the coupling 500 and the transmission assembly 300, and also makes the fixing between the two more secure. Generally, since it is sandwiched between the first connection end 510 and the second connection end 520, the first shock absorbing part 410 is an annular gasket, and the circular hole in the center of the gasket is used to accommodate the connection between the second connection end 520 and the second connection end 520. Screws for transmission assembly 300.

In one example of this embodiment, the housing assembly 100 further includes a second housing 120 that is sleeved outside the first housing 110; the transmission assembly 300 is provided at one end of the housing assembly 100 and is fixedly connected to the second housing. body 120; the driving assembly 200 is provided at an end of the housing assembly 100 away from the transmission assembly 300, and is fixedly connected to the first housing 110.

In this 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 that are mounted inside and outside. The transmission assembly 300 and the driving assembly 200 are respectively fixed on the first housing 110 and the second housing 120 to facilitate installation and maintenance.

In one example of this embodiment, a second shock absorbing portion 420 is provided between the transmission assembly 300 and the second housing 120 .

In this embodiment, due to the transmission of power, vibration is easily generated between the transmission assembly 300 and the second housing 120. Furthermore, the vibration can also be transmitted to other devices connected to the actuator. Due to the vibration between objects, noise is also easily generated, affecting the user's experience. Therefore, the second shock absorber 420 is provided between the transmission assembly 300 and the second housing 120; specifically, the second shock absorber 420 may be a shock absorber sandwiched between the transmission assembly 300 and the second housing 120. Vibration pad. During the movement of the transmission assembly 300, the power can be absorbed by the second shock absorbing portion 420 before being transmitted to the second housing 120, thereby achieving shock absorption and noise reduction.

In one example of this embodiment, the second housing 120 is provided with a mounting position 121; the transmission assembly 300 includes a mounting plate 310;

The second shock absorbing part 420 wraps the mounting plate 310 and is installed at the mounting position 121 .

In this embodiment, in order to strengthen the tightness of the connection between the second housing 120 and the transmission assembly 300, a mounting position 121 is provided on the second housing 120 so that the mounting plate 310 of the transmission assembly 300 can be embedded in the installation position. 121 in. Furthermore, the second shock absorbing part 420 is wrapped around the outer periphery of the mounting plate 310, and the two cooperate and are installed in the installation position 121, which effectively enhances the shock absorbing and noise reducing effect of the second shock absorbing part 420.

In one example of this embodiment, the transmission assembly 300 and the second housing 120 are connected by screws; the mounting plate 310 is protrudingly provided with a screw mounting portion 311; the second shock absorbing portion 420 includes a screw segment 421; the screw segment 421 surrounds on the periphery of the screw mounting portion 311.

In this embodiment, the transmission assembly 300 and the second housing 120 are connected through screws, so that the connection between the two can be tightened and relative movement between the transmission assembly 300 and the second housing 120 can be avoided. Furthermore, a screw mounting portion 311 is protrudingly provided on the mounting plate 310. In order to further improve the damping effect of the second shock absorbing portion 420, a screw section 421 is provided and surrounds the periphery of the screw mounting portion 311. , which can effectively compensate for the gap and act as a buffer.

In one example of this embodiment, a third shock absorbing portion 430 is provided between the driving assembly 200 and the first housing 110 .

In this embodiment, when the driving assembly 200 drives the transmission assembly 300 to move, the vibration may also be transmitted to the first housing 110 and further transmitted outward. Therefore, it is very necessary to provide the third shock absorbing portion 430 between the first housing 110 and the driving assembly 200 .

In an example of this embodiment, the first shock absorbing part 410 includes a motor section 431 and a tail cover section 432; the motor section 431 is sleeved on the outer periphery of the driving assembly 200; the tail cover section 432 is sandwiched between the driving assembly 200 and the first between the housings 110.

In this embodiment, since the motor in the drive assembly 200 itself will vibrate, a motor section 431 is provided on the outer periphery of the drive assembly 200, corresponding to the position of the motor in the drive assembly 200; further, a tail cover section 432 is provided corresponding to the drive assembly 200. The position of the tail cover in 200. The motor section 431 and the tail cover section 432 together form the third shock absorbing part 430, and wrap the end of the driving assembly 200 close to the motor. Therefore, when each component is in motion, the vibration generated can be first absorbed by the third shock absorbing part 430. The three shock absorbing parts 430 absorb and avoid the generation of noise.

This embodiment also provides a liftable device, including any one of the above actuators.

Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

Claims (10)

1. An actuator, characterized in that it includes: Housing assembly (100), including a first housing (110); A driving component (200) and a transmission component (300) are provided inside the first housing (110); The drive assembly (200) includes an output shaft (210), the output shaft (210) is connected to the transmission assembly (300), and between the output shaft (210) and the transmission assembly (300) A first shock absorbing part (410) is provided. 2. The actuator according to claim 1, characterized in that the output shaft (210) and the transmission assembly (300) are connected through a coupling (500); The coupling (500) includes a first connecting end (510) and a second connecting end (520). The first connecting end (510) is connected to the output shaft (210), and the second connecting end (510) is connected to the output shaft (210). 520) Connect the transmission assembly (300); A first shock absorbing portion (410) is provided between the first connecting end (510) and the second connecting end (520). 3. The actuator according to claim 2, characterized in that the second connecting end (520) and the transmission assembly (300) are connected by screws. 4. The actuator according to claim 1, wherein the housing assembly (100) further includes a second housing (120) sleeved outside the first housing (110); The transmission assembly (300) is provided at one end of the housing assembly (100) and is fixedly connected to the second housing (120); The driving component (200) is provided at an end of the housing component (100) away from the transmission component (300), and is fixedly connected to the first housing (110). 5. The actuator according to claim 4, characterized in that a second shock absorber (420) is provided between the transmission assembly and the second housing (120). 6. The actuator according to claim 5, characterized in that, The second housing (120) is provided with an installation position (121); The transmission assembly (300) includes a mounting plate (310); The second shock absorbing part (420) wraps the mounting plate (310) and is installed in the mounting position (121). 7. The actuator according to claim 5, characterized in that the transmission assembly (300) and the second housing (120) are connected by screws; Among them, the mounting plate (310) is protrudingly provided with a screw mounting portion (311); the second shock absorbing portion (420) includes a screw segment (421); the screw segment (421) is surrounded by the screw mounting portion (311) )'s periphery. 8. The actuator according to claim 4, characterized in that a third shock absorbing portion (430) is provided between the driving assembly (200) and the first housing (110). 9. The actuator according to claim 8, wherein the third shock absorbing part (430) includes a motor section (431) and a tail cover section (432); The motor section (431) is sleeved on the outer periphery of the driving assembly (200); The tail cover section (432) is sandwiched between the driving assembly (200) and the first housing (110). 10. A liftable device, characterized by comprising the actuator according to any one of claims 1-9.