CN211695587U - Automatic pulling mechanism convenient to operate - Google Patents
Automatic pulling mechanism convenient to operate Download PDFInfo
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- CN211695587U CN211695587U CN201922361815.3U CN201922361815U CN211695587U CN 211695587 U CN211695587 U CN 211695587U CN 201922361815 U CN201922361815 U CN 201922361815U CN 211695587 U CN211695587 U CN 211695587U
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Abstract
The utility model belongs to the field of household appliances, and discloses an automatic drawing mechanism with convenient operation, which comprises a shell, a power source, a gear assembly, a clutch, a rack and a limiting device; the rack is slidably arranged in the shell, and the power source, the gear assembly, the clutch and the limiting device are all fixed in the shell; when the rack moves to a specified position, the limiting device can be triggered, and then the power source is triggered to stop outputting power; when the power is on, the clutch can transmit power, the power output by the power source is transmitted to the rack by the gear assembly and the clutch, and the rack is driven to slide back and forth relative to the shell; when the power is cut off, the clutch can not transmit power, and the rack can be driven by hand to slide back and forth relative to the shell. The device can conveniently install in various cabinet type household electrical appliances, can realize that the drawer or put the automation of thing board and pull open and close, also can compromise the light convenient of manual operation simultaneously, still can manually open and shut under the proruption outage condition can not block and die, but also has the anticollision function of preventing pressing from both sides the hand.
Description
Technical Field
The utility model belongs to the domestic appliance field, more specifically say, relate to a convenient operation's automatic pull mechanism.
Background
With the continuous development of economic society, people select daily household appliances, so that the field of vision and space are wider, and the requirements of people on the aspects of convenience, safety, humanization and the like of the household appliances are higher and higher. Even though the traditional household appliances reach a higher level in terms of functionality, the traditional household appliances still have many defects in the aspects of convenience in operation, humanization and the like. Taking cabinet type household appliances such as refrigerators as an example, most of the existing refrigerator drawers or shelves are of a manual drawing type, and the taking and placing of articles are not very convenient. In addition, a small number of drawers with automatic or semi-automatic drawing functions are available, but the operation mode and the operation logic are single, so that the drawers are difficult to adapt to diversified use environments and possible emergency situations, and even some drawers have larger potential safety hazards.
Disclosure of Invention
The utility model provides a not enough to prior art exists, the utility model provides a convenient operation's automatic pull mechanism, this convenient operation's automatic pull mechanism can conveniently install in various cabinet type household electrical appliances, can realize that the drawer or put the automation of thing board and pull open and close, also can compromise manual operation simultaneously and easily convenient, still can manually open and shut under the proruption outage condition and can not block and die, but also have and prevent tong anticollision function.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic drawing mechanism convenient to operate comprises a shell, a power source, a gear assembly, a clutch, a rack and a limiting device; the rack is slidably arranged in the shell, and the power source, the gear assembly, the clutch and the limiting device are all fixed in the shell; when the rack moves to a specified position, the limiting device can be triggered, and then the power source is triggered to stop outputting power; when the power is on, the clutch can transmit power, the power output by the power source is transmitted to the rack by the gear assembly and the clutch, and the rack is driven to slide back and forth relative to the shell; when the power is cut off, the clutch can not transmit power, and the rack can be driven by hand to slide back and forth relative to the shell.
In general, a cabinet-type home appliance such as a refrigerator includes a fixed cabinet and a drawer slidable out of the cabinet. When in use, the automatic pulling mechanism with convenient operation is arranged between the cabinet body and the drawer. Preferably, the outer shell is fixed in the middle of the bottom plate of the cabinet body, so that the rack can slide out relative to the outer shell along the drawer drawing-out direction, and the front end of the rack is fixed with the drawer. The working modes comprise the following steps: when the power supply is normal, the power source drives the rack to extend or retract, and drives the drawer to be automatically opened or closed; when the power is cut off, the clutch can not transmit power, the rack is separated from the power source, manual operation can be carried out, and the drawer can not be subjected to the resistance of the power source when being pulled open or closed, so that the drawer is easy and convenient to use; in addition, the power supply can be manually turned off and manually opened and closed.
Preferably, the power source of the automatic pulling mechanism convenient to operate is a motor.
Preferably, in the automatic pulling mechanism convenient to operate, the limiting device is a limit switch. The rack moves to a designated position to trigger the limit switch, so that the power supply of the motor is stopped, the drawer automatically stops when moving to a fully open or fully closed state, and the motor or other parts are prevented from being damaged.
Furthermore, the gear assembly of the automatic drawing mechanism convenient to operate comprises a worm, a worm wheel and a straight gear; the worm is sleeved on an output shaft of the power source, and the worm wheel and the straight gear are coaxially fixed on the clutch; the worm is meshed with the worm wheel, and the straight gear is meshed with the rack; when the power is on, the clutch can transmit power, and the worm gear and the straight gear synchronously rotate; when the power is cut off, the clutch can not transmit power, and the worm wheel and the straight gear can rotate independently. The gear assembly and the clutch are matched together, so that the random switching of power transmission or disconnection is realized, and the whole structure is simple, compact and reliable.
Furthermore, in the automatic pulling mechanism convenient to operate, the tooth surface of the rack is preferably arranged upwards, the limiting device is arranged on the side surface of the rack, and two notches matched with the limiting device are arranged on the side wall of the rack and are respectively marked as a first notch and a second notch; when the limiting device is contacted with the first notch or the second notch, the limiting device is triggered. The position of the notch is adjusted to ensure that the drawer is just completely closed when the first notch is contacted with the limiting device, and the drawer is just completely opened when the second notch is contacted with the limiting device. The rack is very convenient to open a notch, the notch triggering and limiting device is a preferred mode, and a bulge or a buried magnetic part triggering and limiting device can be arranged on the rack.
Further, in the automatic retraction mechanism which is easy to operate, the maximum transmission torque of the clutch is preferably 1N · m, and when the load exceeds the maximum torque of the clutch, the clutch slips and only the maximum torque is output. Therefore, the automatic pulling mechanism convenient to operate can prevent hands from being pinched and injured after being clamped, and can also prevent operators from being squeezed or bruised when the drawer is opened. When the drawer runs and is blocked, the clutch can also slip, so that the safety in use is ensured, and meanwhile, the motor and other parts are protected to a certain extent.
Further, in the automatic drawing mechanism with convenient operation, the clutch can be an electromagnetic clutch, a mechanical spring clutch or other clutches with similar functions.
Furthermore, the automatic drawing mechanism convenient to operate further comprises an upper cover, and the upper cover can be covered on the shell.
Has the advantages that: compared with the prior art, convenient operation's automatic pull mechanism, can conveniently install in various cabinet type household electrical appliances, can realize that the drawer or the automation of putting the thing board pull open and close, also can compromise manual operation simultaneously and easily convenient, still can manually open and shut under the proruption outage condition and can not block and die, but also have and prevent tong anticollision function.
Drawings
Fig. 1 to 3 are schematic structural views of the automatic drawing mechanism of the present invention, which is convenient to operate;
FIGS. 4 and 5 are schematic structural views of the drawer of the refrigerator fresh keeping cabinet according to embodiment 3;
fig. 6 is a front view of the refrigerator according to embodiment 4;
fig. 7 to 10 are schematic structural views of the article placing plate lifting mechanism according to embodiment 4.
In the figure, 1 shell, 2 power sources, 3 gear assemblies, 4 clutches, 5 racks, 6 limiting devices, 31 worms, 32 worm wheels, 33 straight gears, 51 first notches, 52 second notches, 91 sliding rods, 92 sliding blocks, 93 object placing plates, 94 wire pulling mechanisms, 95 wire tubes and 96 annular wire cores.
Detailed Description
The invention is further explained by combining the attached drawings and the specific embodiments.
Example 1
An automatic drawing mechanism convenient to operate is shown in figures 1 to 3 and comprises a shell 1, a power source 2, a gear assembly 3, a clutch 4, a rack 5 and a limiting device 6; the rack 5 is slidably arranged in the shell 1, and the power source 2, the gear assembly 3, the clutch 4 and the limiting device 6 are all fixed in the shell 1; when the rack 5 moves to a designated position, the limiting device 6 can be triggered, and the power source 2 is triggered to stop power output; when the power is on, the clutch 4 can transmit power, the power output by the power source 2 is transmitted to the rack 5 through the gear assembly 3 and the clutch 4, and the rack 5 is driven to slide back and forth relative to the shell 1; when the power is cut off, the clutch 4 can not transmit power, and the rack 5 can be driven by hand to slide back and forth relative to the shell 1.
In this embodiment, the power source 2 is a motor; the limiting device 6 is a limiting switch.
In this embodiment, the gear assembly 3 includes a worm 31, a worm wheel 32, and a spur gear 33; the worm 31 is sleeved on the output shaft of the power source 2, and the worm wheel 32 and the straight gear 33 are coaxially fixed on the clutch 4; the worm 31 is meshed with the worm wheel 32, and the straight gear 33 is meshed with the rack 5; when the power is on, the clutch 4 can transmit power, and the worm gear 32 and the straight gear 33 synchronously rotate; when the power is cut off, the clutch 4 can not transmit power, and the worm wheel 32 and the straight gear 33 can independently rotate.
In the embodiment, the tooth surface of the rack 5 is arranged upwards, the limiting device 6 is arranged on the side surface of the rack 5, and two notches which are matched with the limiting device 6 are arranged on the side wall of the rack 5 and are respectively marked as a first notch 51 and a second notch 52; when the stopper 6 comes into contact with the first notch 51 or the second notch 52, the stopper 6 is activated.
In the present embodiment, the maximum transmission torque of the clutch 4 is 1N · m, and when the load exceeds the maximum torque of the clutch 4, the clutch 4 slips and outputs only the maximum torque.
In the present embodiment, the clutch 4 is an electromagnetic clutch.
Example 2
An automatic drawing mechanism convenient to operate is shown in figures 1 to 3 and comprises a shell 1, a power source 2, a gear assembly 3, a clutch 4, a rack 5 and a limiting device 6; the rack 5 is slidably arranged in the shell 1, and the power source 2, the gear assembly 3, the clutch 4 and the limiting device 6 are all fixed in the shell 1; when the rack 5 moves to a designated position, the limiting device 6 can be triggered, and the power source 2 is triggered to stop power output; when the power is on, the clutch 4 can transmit power, the power output by the power source 2 is transmitted to the rack 5 through the gear assembly 3 and the clutch 4, and the rack 5 is driven to slide back and forth relative to the shell 1; when the power is cut off, the clutch 4 can not transmit power, and the rack 5 can be driven by hand to slide back and forth relative to the shell 1.
In this embodiment, the power source 2 is a motor; the limiting device 6 is a limiting switch.
In this embodiment, the gear assembly 3 includes a worm 31, a worm wheel 32, and a spur gear 33; the worm 31 is sleeved on the output shaft of the power source 2, and the worm wheel 32 and the straight gear 33 are coaxially fixed on the clutch 4; the worm 31 is meshed with the worm wheel 32, and the straight gear 33 is meshed with the rack 5; when the power is on, the clutch 4 can transmit power, and the worm gear 32 and the straight gear 33 synchronously rotate; when the power is cut off, the clutch 4 can not transmit power, and the worm wheel 32 and the straight gear 33 can independently rotate.
In the embodiment, the tooth surface of the rack 5 is arranged upwards, the limiting device 6 is arranged on the side surface of the rack 5, and two notches which are matched with the limiting device 6 are arranged on the side wall of the rack 5 and are respectively marked as a first notch 51 and a second notch 52; when the stopper 6 comes into contact with the first notch 51 or the second notch 52, the stopper 6 is activated.
In the present embodiment, the clutch 4 is a mechanical spring clutch.
In this embodiment, the device further comprises an upper cover, and the upper cover can be covered on the housing 1.
Example 3
A refrigerator fresh-keeping cabinet drawer convenient to operate is shown in figures 4 and 5 and comprises a fixed cabinet body and a drawer capable of sliding out relative to the cabinet body. An automatic drawing mechanism convenient to operate is installed in the middle of a bottom plate of the cabinet body, and comprises a shell 1, a power source 2, a gear assembly 3, a clutch 4, a rack 5 and a limiting device 6, wherein the automatic drawing mechanism convenient to operate is shown in figures 1 to 3; the rack 5 is slidably arranged in the shell 1, and the power source 2, the gear assembly 3, the clutch 4 and the limiting device 6 are all fixed in the shell 1; when the rack 5 moves to a designated position, the limiting device 6 can be triggered, and the power source 2 is triggered to stop power output; when the power is on, the clutch 4 can transmit power, the power output by the power source 2 is transmitted to the rack 5 through the gear assembly 3 and the clutch 4, and the rack 5 is driven to slide back and forth relative to the shell 1; when the power is cut off, the clutch 4 can not transmit power, and the rack 5 can be driven by hand to slide back and forth relative to the shell 1. In the middle of the bottom plate of the cabinet body of the shell 1, the rack 5 can slide out relative to the shell along the drawer drawing-out direction, and the front end of the rack is fixed with the drawer.
In this embodiment, the power source 2 is a motor; the limiting device 6 is a limiting switch.
In this embodiment, the gear assembly 3 includes a worm 31, a worm wheel 32, and a spur gear 33; the worm 31 is sleeved on the output shaft of the power source 2, and the worm wheel 32 and the straight gear 33 are coaxially fixed on the clutch 4; the worm 31 is meshed with the worm wheel 32, and the straight gear 33 is meshed with the rack 5; when the power is on, the clutch 4 can transmit power, and the worm gear 32 and the straight gear 33 synchronously rotate; when the power is cut off, the clutch 4 can not transmit power, and the worm wheel 32 and the straight gear 33 can independently rotate.
In the embodiment, the tooth surface of the rack 5 is arranged upwards, the limiting device 6 is arranged on the side surface of the rack 5, and two notches which are matched with the limiting device 6 are arranged on the side wall of the rack 5 and are respectively marked as a first notch 51 and a second notch 52; when the stopper 6 comes into contact with the first notch 51 or the second notch 52, the stopper 6 is activated. The positions of the recesses are adjusted so that the drawer is just fully closed when the first recess 51 is in contact with the stop 6 and the drawer is just fully open when the second recess 52 is in contact with the stop 6.
In the present embodiment, the maximum transmission torque of the clutch 4 is 1N · m, and when the load exceeds the maximum torque of the clutch 4, the clutch 4 slips and outputs only the maximum torque.
In the present embodiment, the clutch 4 is an MCA-35B-6E type electromagnetic clutch.
The working modes of the embodiment include the following multiple modes: when the power supply is normal, the power source 2 drives the teeth 5 to extend or retract, the power source 2 rotates forwards and backwards or stops operating by manually pressing a button arranged on a drawer panel, and the power source 2 drives the drawer to be automatically opened or closed; when the power is cut off, the clutch can not transmit power, the rack is separated from the power source, manual operation can be carried out, and the drawer can not be subjected to the resistance of the power source 2 when being pulled open or closed, so that the drawer is easy and convenient; in addition, the power supply can be manually turned off and manually opened and closed.
Example 4
A refrigerator convenient to operate is shown in figure 6 and comprises a refrigerating cabinet at the upper part, a fresh-keeping cabinet at the middle part and a freezing cabinet at the lower part.
In this embodiment, the fresh-keeping cabinet is the same as that of embodiment 3.
In this embodiment, the refrigerator is provided with a lifting mechanism for the storage plate. As shown in fig. 7 to 10, the object placing plate can be lifted and lowered to include four sliding rods 91, four sliding blocks 92, a layer of object placing plate 93, a wire pulling mechanism 94, four wire pipes 95 and a ring wire core 96. Four slide bars 91 are vertically embedded in four corners of the refrigerated cabinet, each slide bar 91 is sleeved with a slide block 92 capable of sliding up and down, the height of the slide block 92 is adjusted to be consistent, and the object placing plate 93 is horizontally fixed on the slide block 92. The upper end of each slide bar 91 is connected with the lower end of another slide bar 91 through a hollow conduit 95, the annular wire core 96 is arranged in the four conduits 95 in a penetrating manner, and each slide block 92 is fixed with the annular wire core 96. The wire pulling mechanism 94 is serially arranged in the conduit 95, the wire pulling mechanism 94 can pull the annular wire core 96 to slide in the conduit 95, and the sliding of the annular wire core 96 can drive the four sliding blocks 92 to synchronously slide upwards or downwards, so that the object placing plate 93 is pulled to move upwards or downwards. The power in the wire pulling mechanism 94 is a band-type self-locking micromotor with a power failure self-locking function, upward or downward pulling can be realized by manual operation, and manual operation can be simply realized by arranging two buttons of upward button and downward button.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a convenient operation's automatic pull mechanism which characterized in that: comprises a shell (1), a power source (2), a gear assembly (3), a clutch (4), a rack (5) and a limiting device (6); the rack (5) is slidably arranged in the shell (1), and the power source (2), the gear assembly (3), the clutch (4) and the limiting device (6) are all fixed in the shell (1); when the rack (5) moves to a designated position, the limiting device (6) can be triggered, and then the power source (2) is triggered to stop power output; when the power supply is electrified, the clutch (4) can transmit power, the power output by the power source (2) is transmitted to the rack (5) through the gear assembly (3) and the clutch (4), and the rack (5) is driven to slide back and forth relative to the shell (1); when the power is cut off, the clutch (4) can not transmit power, and the rack (5) can be manually driven to slide back and forth relative to the shell (1).
2. The automatic pulling mechanism of claim 1, wherein: the power source (2) is a motor.
3. The automatic pulling mechanism of claim 2, wherein: the limiting device (6) is a limiting switch.
4. The automatic pulling mechanism of claim 3, wherein: the gear assembly (3) comprises a worm (31), a worm wheel (32) and a spur gear (33); the worm (31) is sleeved on an output shaft of the power source (2), and the worm wheel (32) and the straight gear (33) are coaxially fixed on the clutch (4); the worm (31) is meshed with the worm wheel (32), and the straight gear (33) is meshed with the rack (5); when the power is on, the clutch (4) can transmit power, and the worm gear (32) and the straight gear (33) synchronously rotate; when the power is cut off, the clutch (4) can not transmit power, and the worm wheel (32) and the straight gear (33) can rotate independently.
5. The automatic pulling mechanism of claim 3, wherein: the tooth surface of the rack (5) is arranged upwards, the limiting device (6) is arranged on the side surface of the rack (5), and two notches matched with the limiting device (6) are arranged on the side wall of the rack (5) and are respectively marked as a first notch (51) and a second notch (52); the stop means (6) is triggered when the stop means (6) is in contact with the first recess (51) or the second recess (52).
6. The automatic drawing mechanism convenient in operation according to any one of claims 1 to 5, characterized in that: the maximum transmission torque of the clutch (4) is 1N m, and when the load exceeds the maximum torque of the clutch (4), the clutch (4) slips and only the maximum torque is output.
7. The automatic pulling mechanism of claim 6, wherein: the clutch (4) is an electromagnetic clutch.
8. The automatic pulling mechanism of claim 6, wherein: the clutch (4) is a mechanical spring clutch.
9. The automatic pulling mechanism of claim 6, wherein: the shell (1) is characterized by further comprising an upper cover, and the upper cover can be covered on the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361815.3U CN211695587U (en) | 2019-12-25 | 2019-12-25 | Automatic pulling mechanism convenient to operate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922361815.3U CN211695587U (en) | 2019-12-25 | 2019-12-25 | Automatic pulling mechanism convenient to operate |
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| Publication Number | Publication Date |
|---|---|
| CN211695587U true CN211695587U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922361815.3U Active CN211695587U (en) | 2019-12-25 | 2019-12-25 | Automatic pulling mechanism convenient to operate |
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| CN (1) | CN211695587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282893A (en) * | 2022-01-20 | 2022-11-04 | 浙江科技学院 | Reaction temperature control device is used in production of long chain alkyl silicone oil |
-
2019
- 2019-12-25 CN CN201922361815.3U patent/CN211695587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115282893A (en) * | 2022-01-20 | 2022-11-04 | 浙江科技学院 | Reaction temperature control device is used in production of long chain alkyl silicone oil |
| CN115282893B (en) * | 2022-01-20 | 2024-03-19 | 浙江科技学院 | Reaction temperature control device for production of long-chain alkyl silicone oil |
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