CN110631323A - Synchronous electric sliding rail for refrigerator - Google Patents
Synchronous electric sliding rail for refrigerator Download PDFInfo
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- CN110631323A CN110631323A CN201910986440.1A CN201910986440A CN110631323A CN 110631323 A CN110631323 A CN 110631323A CN 201910986440 A CN201910986440 A CN 201910986440A CN 110631323 A CN110631323 A CN 110631323A
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- rope
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- slide rail
- motor
- fixing block
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 104
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- MKGHDZIEKZPBCZ-ULQPCXBYSA-N methyl (2s,3s,4r,5r,6r)-4,5,6-trihydroxy-3-methoxyoxane-2-carboxylate Chemical compound CO[C@H]1[C@H](O)[C@@H](O)[C@H](O)O[C@@H]1C(=O)OC MKGHDZIEKZPBCZ-ULQPCXBYSA-N 0.000 claims 13
- 230000002265 prevention Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/453—Actuated drawers
- A47B88/457—Actuated drawers operated by electrically-powered actuation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2210/00—General construction of drawers, guides and guide devices
- A47B2210/17—Drawers used in connection with household appliances
- A47B2210/175—Refrigerators or freezers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a synchronous electric slide rail for a refrigerator, which consists of an electromechanical part and an electric control part, wherein the electromechanical part comprises two slide rail mounting brackets, slide rails arranged on the slide rail mounting brackets, a synchronous bracket between the two slide rails, a motor above and a transmission shaft below the synchronous bracket, a transmission shaft connected with the motor, and racks connected with the two ends of the transmission shaft; a synchronous mechanism is arranged between the two racks and consists of two sets of synchronous ropes, a rope front fixed block, a rope rear fixed block and a rope pulley; the electric control part comprises a control panel, and an MCU, an anti-pinch module, an opening button, a closing button, an emergency braking button and the like which are arranged on the control panel. The synchronous support is additionally provided with the synchronous mechanism while the sliding rails on the two sides respectively adopt a set of gear and rack, so that the two ends of the synchronous support can stably move in the 8-shaped rope sleeve formed by the two tightened synchronous ropes all the time, the synchronism of the sliding rails is further improved, and the service life is greatly prolonged.
Description
Technical Field
The invention belongs to the technical field of electric sliding rails, and particularly relates to a synchronous electric sliding rail for a refrigerator.
Background
At present, electric drawers are designed in freezers or refrigerators required by some industries, and the electric drawers are automatically opened and closed by driving sliding rails on the left side and the right side to synchronously move back and forth through a motor, so that the requirement on the synchronism of the left side and the right side of the adopted electric sliding rails is high. At present, a set of left and right gear racks are usually adopted for promoting the synchronism of the left and right sides of the electric sliding rail on the market, but the synchronism effect of the single method is not ideal, and after long-time use and observation, the situation that the left and right sides of the electric sliding rail still swing can be found particularly under the completely opened state or the low-temperature instant starting state, so that the synchronism is greatly influenced, and the service life of the electric sliding rail is further influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the synchronous electric slide rail for the refrigerator, which is additionally provided with the synchronous mechanism while adopting two gear racks, so that the synchronism of the electric slide rail is further improved, the use feeling of a user is improved, and the service life is prolonged.
In order to solve the technical problems and achieve the technical effects, the invention is realized by the following technical scheme:
a synchronous electric slide rail for a refrigerator is composed of an electromechanical part and an electric control part.
The electromechanical part comprises two slide rail mounting brackets which are fixedly connected with the left inner wall and the right inner wall of the refrigerator, a slide rail is respectively arranged on the two slide rail mounting brackets, the lower rails of the two slide rails are fixedly connected with the slide rail mounting brackets on the corresponding sides, the rear parts of the upper rails of the two slide rails are respectively provided with a synchronous bracket mounting plate, a synchronous bracket is arranged between the two synchronous bracket mounting plates, a motor is arranged above the synchronous bracket through a motor mounting plate connected with the synchronous bracket, a driving gear is arranged on a motor shaft of the motor, a transmission shaft is arranged below the synchronous bracket through a plurality of transmission shaft mounting seats connected with the synchronous bracket, the middle part of the transmission shaft is provided with a transmission gear which is meshed with the driving gear, and the left end and the right end of the transmission shaft are respectively provided with a driven gear; the two slide rail mounting brackets are respectively provided with a rack, and the left driven gear and the right driven gear are respectively meshed with the left rack and the right rack;
a synchronous mechanism is arranged between the two racks and comprises a first synchronous rope, a second rope front fixing block and a first rope front fixing block which are respectively arranged at the lower parts of the front ends of the left rack and the right rack, a first rope rear fixing block and a second rope rear fixing block which are respectively arranged at the lower parts of the rear ends of the left rack and the right rack, and a left rope pulley and a right rope pulley which are respectively arranged below the left end and the right end of the synchronous support; wherein the content of the first and second substances,
the rear end of the first synchronous rope is connected with the first rope rear fixing block, the front end of the first synchronous rope sequentially bypasses the left rope pulley from the front side and bypasses the right rope pulley from the rear side and then is connected with the first rope front fixing block, and the first synchronous rope is in a tightened state between the first rope rear fixing block and the first rope front fixing block; the rear end of the second synchronous rope is connected with the second rope rear fixing block, the front end of the second synchronous rope sequentially passes through the right rope pulley from the front side and is connected with the second rope front fixing block after passing through the left rope pulley from the rear side, and the second synchronous rope is in a tightened state between the second rope rear fixing block and the second rope front fixing block;
the electric control part comprises a control panel, an MCU and an anti-pinch module are integrated in the control panel, and an opening button, a closing button and an emergency braking button are arranged on the surface of the control panel;
the opening button and the closing button are respectively connected with the input end of the MCU and are respectively used for sending signals for controlling the forward rotation and the reverse rotation of the motor to the MCU; the emergency brake button is connected with the input end of the MCU and used for sending a signal for immediately stopping the forward rotation or the reverse rotation of the motor to the MCU; one end of the anti-pinch module is connected with the motor and used for judging whether the sliding rail is blocked in the closing process or not by monitoring the current of the motor (when the motor cannot normally rotate due to pinching hands or articles in the closing process of the sliding rail, the current of the motor can rise along with the motor, the anti-pinch module can sense whether the sliding rail is clamped by hands or articles according to the sudden abnormal rise of the current of the motor), and the other end of the anti-pinch module is connected with the input end of the MCU and used for sending a signal for immediately stopping the motor from reversing to the MCU when the sliding rail is blocked in the closing process; and the output end of the MCU is connected with the motor and used for controlling the rotation direction and the rotation distance of the motor according to various corresponding induction signals.
Further, the transmission shafts are rotatably arranged in all the transmission shaft mounting seats through shaft sleeves.
Furthermore, a gasket is arranged between the motor and the motor mounting plate.
Furthermore, the front ends of the first synchronous rope and the second synchronous rope are respectively provided with a first tensioning device and a second tensioning device for adjusting the tightness of the ropes.
Furthermore, the first tensioning device comprises a first adjusting nut mounting plate arranged below the front part of the right slide rail mounting bracket, a first adjusting nut arranged in the first adjusting nut mounting plate and a first adjusting screw fixed with the front end of the first synchronous rope, the first adjusting nut mounting plate is positioned behind the first rope front fixing block, and the first adjusting screw is in threaded connection with the first adjusting nut after bypassing the first rope front fixing block, so that the purpose of adjusting the length of the first synchronous rope is achieved; similarly, second overspeed device tensioner includes that one sets up at the left second adjusting nut mounting panel, the setting of the anterior below of slide rail installing support are in second adjusting nut and one in the second adjusting nut mounting panel and the second adjusting screw that the synchronous rope front end of second was fixed, the second adjusting nut mounting panel is located the rear of the preceding fixed block of second rope, second adjusting screw is bypassing behind the preceding fixed block of second rope with second adjusting nut threaded connection, in order to realize adjusting the purpose of the synchronous rope length of second.
Furthermore, the electric control part also comprises a group of adjustable elastic limit switches arranged between the synchronous support and the rack, each adjustable elastic limit switch consists of a contact inductor, a front contact elastic part and a rear contact elastic part, the front contact elastic part and the rear contact elastic part are used for triggering the contact inductor, the contact inductor is arranged below the left end or the right end of the synchronous support through a contact inductor mounting plate, and the front contact elastic part and the rear contact elastic part are respectively arranged on the inner side surfaces of the front end and the rear end of the rack on the same side as the contact inductor in a front-back adjustable manner;
the output end of the contact inductor is connected with the input end of the MCU and used for sending a signal for immediately stopping the forward rotation or the reverse rotation of the motor to the MCU when the induction end of the contact inductor is in contact with the front contact elastic part or the rear contact elastic part so as to realize the function of limiting the sliding rail when the sliding rail is completely opened and closed.
Further, the front contact elastic piece and the rear contact elastic piece are both spring pieces or spring pins.
Furthermore, the contact sensor also has an alarm function that the slide rail is not opened or closed in place, and in cooperation with the alarm function, an alarm device and a display device are arranged on the surface of the control panel;
the output end of the contact inductor is connected with the input end of the MCU and is used for sending a signal that the opening or closing of the slide rail is not in place to the MCU when the contact inductor is not in contact with the front contact elastic piece or the rear contact elastic piece after the motor starts to rotate forwards or reversely for a certain time (the contact inductor comprises a timer and times when the motor starts to rotate forwards or reversely, and if the contact inductor is not in contact with the front contact elastic piece or the rear contact elastic piece in a set time limit, the contact inductor sends a signal that the opening or closing of the slide rail is not in place to the MCU);
the output end of the MCU is respectively connected with the alarm device and the display device and is respectively used for controlling the alarm device to send an alarm prompt and controlling the display device to record the failure times of the slide rail when receiving a signal that the slide rail is not opened or closed in place.
Further, the gear ratio of the driving gear to the transmission gear is 1: 1 ~ 1: 2, so that the sliding rail can be manually opened or closed when the power is cut off.
Furthermore, a winding displacement hose moving seat is arranged on the synchronous support, a winding displacement hose fixing seat is arranged at the rear end of the rack on the left side or the right side, and a winding displacement hose used for containing the motor cable is arranged between the winding displacement hose moving seat and the winding displacement hose fixing seat, so that wiring is facilitated.
The invention has the beneficial effects that:
the synchronous mechanism is additionally arranged while the sliding rails on the two sides respectively adopt a set of gear and rack, and the synchronous mechanism can enable the two ends of the synchronous bracket to stably move in the 8-shaped rope sleeve formed by the two tightened synchronous ropes all the time, so that the synchronism of the electric sliding rails is further improved, the use feeling of a user is improved, and the service life is prolonged.
The invention respectively installs a tensioning device for adjusting the length of the rope at one end of each of the two synchronous ropes, so that the synchronous ropes can be in a tight state all the time, thereby ensuring the effectiveness of the synchronous mechanism for a long time.
The invention can not only automatically stop the closing action of the slide rail when meeting certain resistance so as to avoid the slide rail from clamping fingers or other parts of workers, but also has an emergency brake button which can be emergently stopped in the opening or closing process of the slide rail so as to further ensure the safety of the workers and articles.
The invention also has the function of alarming when the opening/closing of the slide rail is not in place, when the slide rail is opened or closed because of line fault or mechanical fault and can not be completely opened or closed, the invention can send out slide rail failure alarm after a certain time of fault occurrence, and can record and display the failure times of the slide rail so as to provide reference for maintenance personnel.
According to the invention, a proper motor and gear ratio are selected, so that the sliding rail can be manually opened or closed by manpower when the power is off, and the failure of the sliding rail due to power failure is avoided.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a perspective view of the electromechanical part of the synchronous electric slide rail for a refrigerator according to the present invention closed;
FIG. 2 is a bottom view of the electromechanical part of the synchronous motor-driven slide rail for a refrigerator according to the present invention closed;
FIG. 3 is a perspective view of the refrigerator with the synchronous electric slide rail of the present invention in an electromechanical partially opened state;
FIG. 4 is a bottom view of the refrigerator with the electromechanical portion of the synchronous electric slide rail according to the present invention open;
FIG. 5 is an enlarged view of an adjustable elastic limit switch of the electric control part of the synchronous electric slide rail for the refrigerator according to the present invention;
FIG. 6 is a schematic view of a control panel of an electric control part of the synchronous electric slide rail for the refrigerator according to the present invention;
fig. 7 is a schematic view of the electrical connection relationship of the electric control part of the synchronous electric slide rail for the refrigerator according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description set forth herein is intended to provide a further understanding of the invention and forms a part of this application and is intended to be an exemplification of the invention and is not intended to limit the invention to the particular embodiments illustrated.
A synchronous electric slide rail for a refrigerator is composed of an electromechanical part and an electric control part.
Referring to fig. 1-4, the electromechanical part includes two slide rail mounting brackets 1 fixedly connected to left and right inner walls of a refrigerator, two slide rail mounting brackets 1 are respectively provided with a slide rail 2, lower rails of the two slide rails 2 are both fixedly connected to the slide rail mounting brackets 1 on the corresponding side, rear portions of upper rails of the two slide rails 2 are respectively provided with a synchronizing bracket mounting plate 3, a synchronizing bracket 4 is erected between the two synchronizing bracket mounting plates 3, a motor 6 is arranged above the synchronizing bracket 4 through a motor mounting plate 5 connected thereto, a gasket 19 is arranged between the motor 6 and the motor mounting plate 5, a motor shaft of the motor 6 is provided with a driving gear 7, a transmission shaft 9 is rotatably arranged below the synchronizing bracket 4 through a plurality of transmission shaft mounting seats 8 connected thereto through a shaft sleeve 18, a transmission gear 10 is arranged in the middle of the transmission shaft 9, the transmission gear 10 is engaged with the driving gear 7, a gear ratio of the driving gear 7 to the transmission gear 10 is in a range of 1: 1 ~ 1: 2, so as to be manually opened or closed when power is cut off, left and right slide rails of the refrigerator are respectively provided with left and right slide rails 11, and driven racks 13 are respectively arranged on two slide rails 11.
A synchronous mechanism is arranged between the two racks 13, and comprises a first synchronous rope 14a, a second synchronous rope 14b, a second rope front fixing block 15b and a first rope front fixing block 15a which are respectively arranged at the lower parts of the front ends of the left and right racks 13, a first rope rear fixing block 16a and a second rope rear fixing block 16b which are respectively arranged at the lower parts of the rear ends of the left and right racks 13, and a left rope pulley 17a and a right rope pulley 17b which are respectively arranged below the left and right ends of the synchronous support 4; wherein the content of the first and second substances,
the rear end of the first synchronous rope 14a is connected with the first rope rear fixing block 16a, the front end of the first synchronous rope 14a sequentially passes through the left rope pulley 17a from the front side, passes through the right rope pulley 17b from the rear side and then is connected with the first rope front fixing block 15a, and the first synchronous rope 14a is in a tightened state between the first rope rear fixing block 16a and the first rope front fixing block 15 a; the rear end of the second synchronous rope 14b is connected with the second rope rear fixing block 16b, the front end of the second synchronous rope 14b sequentially passes through the right rope pulley 17b from the front side, and is connected with the second rope front fixing block 15b after passing through the left rope pulley 17a from the rear side, and the second synchronous rope 14b is in a tightened state between the second rope rear fixing block 16b and the second rope front fixing block 15 b.
The front ends of the first and second synchronizing ropes 14a and 14b are respectively provided with a first tensioning device and a second tensioning device for adjusting the tightness of the ropes. The first tensioning device comprises a first adjusting nut mounting plate 20a arranged below the front part of the right slide rail mounting bracket 1, a first adjusting nut 21a arranged in the first adjusting nut mounting plate 20a and a first adjusting screw 22a fixed with the front end of the first synchronous rope 14a, the first adjusting nut mounting plate 20a is positioned behind the first rope front fixing block 15a, and the first adjusting screw 22a is in threaded connection with the first adjusting nut 21a after bypassing the first rope front fixing block 15a, so that the purpose of adjusting the length of the first synchronous rope 14a is achieved; similarly, the second overspeed device tensioner includes that the piece sets up on the left slide rail installing support 1 is preceding the second adjusting nut mounting panel 20b of below, one sets up second adjusting nut 21b in the second adjusting nut mounting panel 20b and one with the fixed second adjusting screw 22b of second synchronous rope 14b front end, second adjusting nut mounting panel 20b is located the rear of second rope front fixed block 15b, second adjusting screw 22b around behind the second rope front fixed block 15b with second adjusting nut 21b threaded connection to realize adjusting the purpose of second synchronous rope 14b length.
The synchronous support 4 is provided with a flat cable hose moving seat 25a, the rear end of the rack 13 positioned on the left side or the right side is provided with a flat cable hose fixing seat 25b, and a flat cable hose 26 used for containing a cable of the motor 6 is arranged between the flat cable hose moving seat 25a and the flat cable hose fixing seat 25b, so that the wiring is convenient.
Referring to fig. 5-7, the electric control part comprises a control panel 12, the MCU27 and the anti-pinch module 28 are integrated in the control panel 12, and the surface of the control panel 12 is provided with an open button 29, a close button 30, an emergency brake button 31, an alarm device 32 and a display device 33; the electric control part further comprises a group of adjustable elastic limit switches arranged between the synchronous support 4 and the rack 13, each adjustable elastic limit switch is composed of a contact inductor 23, a front contact elastic piece 24a and a rear contact elastic piece 24b, the front contact elastic piece 24a and the rear contact elastic piece 24b are used for triggering the contact inductor 23, the contact inductor 23 is arranged below the left end or the right end of the synchronous support 4 through a contact inductor mounting plate 12, the front contact elastic piece 24a and the rear contact elastic piece 24b are both spring pieces or spring pins, and the front contact elastic piece 24a and the rear contact elastic piece 24b are respectively arranged on the inner side faces of the front end and the rear end of the rack 13 on the same side as the contact inductor 23 in a front-back adjustable mode.
The opening button 29 and the closing button 30 are respectively connected with the input end of the MCU27 and are respectively used for sending signals for controlling the forward rotation and the reverse rotation of the motor 6 to the MCU 27; the emergency brake button 31 is connected with the input end of the MCU27 and is used for sending a signal for immediately stopping the forward rotation or the reverse rotation of the motor 6 to the MCU 27; one end of the anti-pinch module 28 is connected to the motor 6, and is configured to monitor the current of the motor 6 to determine whether the sliding rail is blocked in the closing process (when the motor cannot normally rotate due to pinching of a hand or an article in the closing process of the sliding rail, the current of the motor rises accordingly, the anti-pinch module can sense whether the sliding rail is pinched by the hand or the article according to sudden abnormal rise of the current of the motor), and the other end of the anti-pinch module 28 is connected to the input end of the MCU27, and is configured to send a signal to the MCU27 to immediately stop the reverse rotation of the motor 356 when the sliding rail is blocked in the closing process; the output end of the contact inductor 23 is connected with the input end of the MCU27, and is configured to send a signal to the MCU27 to immediately stop the forward rotation or reverse rotation of the motor 6 when the induction end of the contact inductor 23 is in contact with the front contact elastic member 24a or the rear contact elastic member 24b, so as to provide a limiting function when the slide rail is fully opened and fully closed; the contact sensor 23 further has a function of warning that the sliding rail is not in place, and an output end of the contact sensor 23 is connected to an input end of the MCU27, so as to send a signal that the sliding rail is not in place when the contact sensor 23 does not contact the front contact elastic member 24a or the rear contact elastic member 24b after the motor 6 starts to rotate forward or backward for a certain time to the MCU27 (the contact sensor includes a timer for counting time from when the motor starts to rotate forward or backward, and if the contact sensor does not contact the front contact elastic member or the rear contact elastic member within a set time limit, the contact sensor sends a signal that the sliding rail is not in place when the contact sensor does not contact the front contact elastic member or the rear contact elastic member);
the output end of the MCU27 is connected with the motor 6 and is used for controlling the rotation direction and the rotation distance of the motor 6 according to various corresponding induction signals; the output end of the MCU27 is respectively connected with the alarm device 32 and the display device 33, and is respectively used for controlling the alarm device 32 to send out an alarm prompt and controlling the display device 33 to record the failure times of the slide rail when receiving a signal that the slide rail is not opened or closed in place.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a synchronous electronic slide rail for refrigerator which characterized in that: the device consists of an electromechanical part and an electric control part;
the electromechanical part comprises two slide rail mounting brackets (1) fixedly connected with the left inner wall and the right inner wall of the refrigerator, two slide rail mounting brackets (1) are respectively provided with a slide rail (2), the lower rails of the two slide rails (2) are fixedly connected with the slide rail mounting brackets (1) on the corresponding sides, the rear parts of the upper rails of the two slide rails (2) are respectively provided with a synchronous bracket mounting plate (3), a synchronous bracket (4) is erected between the two synchronous bracket mounting plates (3), a motor (6) is arranged above the synchronous bracket (4) through a motor mounting plate (5) connected with the synchronous bracket, a driving gear (7) is arranged on a motor shaft of the motor (6), a transmission shaft (9) is arranged below the synchronous bracket (4) through a plurality of transmission shaft mounting seats (8) connected with the synchronous bracket, a transmission gear (10) is arranged in the middle of the transmission shaft (9), the transmission gear (10) is meshed with the driving gear (7), and the left end and the right end of the transmission shaft (9) are respectively provided with a driven gear (11); the two slide rail mounting brackets (1) are respectively provided with a rack (13), and the left driven gear (11) and the right driven gear (11) are respectively meshed with the left rack (13) and the right rack (13);
a synchronizing mechanism is arranged between the two racks (13), and comprises a first synchronizing rope (14 a), a second synchronizing rope (14 b), a second rope front fixing block (15 b) and a first rope front fixing block (15 a) which are respectively arranged at the lower parts of the front ends of the left and right racks (13), a first rope rear fixing block (16 a) and a second rope rear fixing block (16 b) which are respectively arranged at the lower parts of the rear ends of the left and right racks (13), and a left rope pulley (17 a) and a right rope pulley (17 b) which are respectively arranged below the left and right ends of the synchronizing bracket (4); wherein the content of the first and second substances,
the rear end of the first synchronous rope (14 a) is connected with the first rope rear fixing block (16 a), the front end of the first synchronous rope (14 a) sequentially bypasses the left rope pulley (17 a) from the front side and bypasses the right rope pulley (17 b) from the rear side and then is connected with the first rope front fixing block (15 a), and the first synchronous rope (14 a) is in a tightened state between the first rope rear fixing block (16 a) and the first rope front fixing block (15 a); the rear end of the second synchronous rope (14 b) is connected with the second rope rear fixing block (16 b), the front end of the second synchronous rope (14 b) sequentially passes through the right rope pulley (17 b) from the front side, passes through the left rope pulley (17 a) from the rear side and then is connected with the second rope front fixing block (15 b), and the second synchronous rope (14 b) is in a tightened state between the second rope rear fixing block (16 b) and the second rope front fixing block (15 b);
the electric control part comprises a control panel (12), an MCU (27) and a hand clamping prevention module (28) are integrated in the control panel (12), and an opening button (29), a closing button (30) and an emergency braking button (31) are arranged on the surface of the control panel (12);
the opening button (29) and the closing button (30) are respectively connected with the input end of the MCU (27) and are respectively used for sending signals for controlling the motor (6) to rotate forwards and backwards to the MCU (27); the emergency brake button (31) is connected with the input end of the MCU (27) and is used for sending a signal for immediately stopping the forward rotation or the reverse rotation of the motor (6) to the MCU (27); one end of the anti-pinch module (28) is connected with the motor (6) and used for judging whether the sliding rail is blocked in the closing process or not by monitoring the current of the motor (6), and the other end of the anti-pinch module (28) is connected with the input end of the MCU (27) and used for sending a signal for immediately stopping the motor (6) from reversing to the MCU (27) when the sliding rail is blocked in the closing process; the output end of the MCU (27) is connected with the motor (6) and used for controlling the rotation direction and the rotation distance of the motor (6) according to various corresponding induction signals.
2. The synchronous electric slide rail for the refrigerator according to claim 1, wherein: the transmission shafts (9) are rotatably arranged in all the transmission shaft mounting seats (8) through shaft sleeves (18).
3. The synchronous electric slide rail for the refrigerator according to claim 1, wherein: a gasket (19) is arranged between the motor (6) and the motor mounting plate (5).
4. The synchronous electric slide rail for the refrigerator according to claim 1, wherein: the front ends of the first synchronous rope (14 a) and the second synchronous rope (14 b) are respectively provided with a first tensioning device and a second tensioning device for adjusting the tightness of the ropes.
5. The synchronous electric slide rail for the refrigerator according to claim 4, wherein: the first tensioning device comprises a first adjusting nut mounting plate (20 a) arranged below the front part of the slide rail mounting bracket (1) on the right side, a first adjusting nut (21 a) arranged in the first adjusting nut mounting plate (20 a) and a first adjusting screw rod (22 a) fixed with the front end of the first synchronous rope (14 a), the first adjusting nut mounting plate (20 a) is positioned behind the first rope front fixing block (15 a), and the first adjusting screw rod (22 a) is in threaded connection with the first adjusting nut (21 a) after bypassing the first rope front fixing block (15 a) so as to achieve the purpose of adjusting the length of the first synchronous rope (14 a); similarly, the second tensioning device comprises a second adjusting nut mounting plate (20 b) arranged on the left side and below the front portion of the sliding rail mounting bracket (1), a second adjusting nut (21 b) arranged in the second adjusting nut mounting plate (20 b) and a second adjusting screw (22 b) fixed to the front end of the second synchronous rope (14 b), the second adjusting nut mounting plate (20 b) is located behind the second rope front fixing block (15 b), and the second adjusting screw (22 b) is in threaded connection with the second adjusting nut (21 b) after bypassing the second rope front fixing block (15 b) so as to achieve the purpose of adjusting the length of the second synchronous rope (14 b).
6. The synchronous electric slide rail for the refrigerator according to claim 1, wherein: the electric control part further comprises a group of adjustable elastic limit switches arranged between the synchronous support (4) and the rack (13), each adjustable elastic limit switch consists of a contact inductor (23), a front contact elastic piece (24 a) and a rear contact elastic piece (24 b) used for triggering the contact inductor (23), the contact inductor (23) is arranged below the left end or the right end of the synchronous support (4) through a contact inductor mounting plate (12), and the front contact elastic piece (24 a) and the rear contact elastic piece (24 b) are respectively arranged on the inner side surfaces of the front end and the rear end of the rack (13) on the same side with the contact inductor (23) in a front-back adjustable mode;
the output end of the contact inductor (23) is connected with the input end of the MCU (27) and used for sending a signal for immediately stopping the forward rotation or the reverse rotation of the motor (6) to the MCU (27) when the induction end of the contact inductor (23) is in contact with the front contact elastic piece (24 a) or the rear contact elastic piece (24 b) so as to realize the function of limiting the sliding rail when the sliding rail is completely opened or closed.
7. The synchronous electric slide rail for the refrigerator according to claim 6, wherein: the front contact spring (24 a) and the rear contact spring (24 b) are both spring pieces or spring pins.
8. The synchronous electric slide rail for the refrigerator according to claim 6, wherein: the contact sensor (23) also has an alarm function of not-in-place opening or closing of the sliding rail, and in cooperation with the alarm function, the surface of the control panel (12) is also provided with an alarm device (32) and a display device (33);
the output end of the contact sensor (23) is connected with the input end of the MCU (27) and is used for sending a signal that the slide rail is not opened or closed in place to the MCU (27) when the contact sensor (23) is not contacted with the front contact elastic piece (24 a) or the rear contact elastic piece (24 b) after the motor (6) starts to rotate forwards or backwards for a certain time;
the output end of the MCU (27) is respectively connected with the alarm device (32) and the display device (33) and is respectively used for controlling the alarm device (32) to send out an alarm prompt and controlling the display device (33) to record the failure times of the slide rail when receiving a signal that the slide rail is not opened or closed in place.
9. The synchronous electric sliding rail for the refrigerator as claimed in claim 1, wherein the gear ratio of the driving gear (7) to the transmission gear (10) is 1: 1 ~ 1: 2, so that the sliding rail can be manually opened or closed when power is off.
10. The synchronous electric slide rail for the refrigerator according to claim 1, wherein: the cable arranging and hose moving device is characterized in that a cable arranging and hose moving seat (25 a) is arranged on the synchronous support (4), the rear end of the rack (13) on the left side or the right side is provided with a cable arranging and hose fixing seat (25 b), and a cable arranging and hose (26) used for containing a cable of the motor (6) is arranged between the cable arranging and hose fixing seat (25 b) to facilitate wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986440.1A CN110631323A (en) | 2019-10-17 | 2019-10-17 | Synchronous electric sliding rail for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986440.1A CN110631323A (en) | 2019-10-17 | 2019-10-17 | Synchronous electric sliding rail for refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN110631323A true CN110631323A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910986440.1A Pending CN110631323A (en) | 2019-10-17 | 2019-10-17 | Synchronous electric sliding rail for refrigerator |
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| Country | Link |
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| CN (1) | CN110631323A (en) |
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| US20170367480A1 (en) * | 2016-03-07 | 2017-12-28 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance with a drawer slide synchronizer |
| CN109028726A (en) * | 2018-06-21 | 2018-12-18 | 合肥华凌股份有限公司 | Applied to the pin configuration of drawer, drawer, cabinet and refrigerator |
| CN211346029U (en) * | 2019-10-17 | 2020-08-25 | 雅固拉国际精密工业(苏州)有限公司 | Synchronous electric sliding rail for refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2703099Y (en) * | 2003-03-12 | 2005-06-01 | 陈增辉 | Intelligent window driver |
| RU2011150482A (en) * | 2009-05-13 | 2013-06-20 | Юлиус Блум Гмбх | PUSHING DEVICE FOR MOBILE FURNITURE PART |
| CN102226626A (en) * | 2011-04-22 | 2011-10-26 | 合肥美的荣事达电冰箱有限公司 | Control method used for refrigerator |
| CN104026881A (en) * | 2014-06-10 | 2014-09-10 | 广东星徽精密制造股份有限公司 | Press type rebound slide rail |
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