CN109708415B - Automatic pop-up drawer assembly and refrigerator with same - Google Patents
Automatic pop-up drawer assembly and refrigerator with same Download PDFInfo
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- CN109708415B CN109708415B CN201811082560.0A CN201811082560A CN109708415B CN 109708415 B CN109708415 B CN 109708415B CN 201811082560 A CN201811082560 A CN 201811082560A CN 109708415 B CN109708415 B CN 109708415B
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- 238000004804 winding Methods 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 9
- 238000010923 batch production Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention discloses an automatic pop-up drawer assembly, which comprises a drawer body matched with a box body, wherein the drawer body is provided with a closing state entering the box body and an opening state exiting the box body; when the drawer body is in a closed state, the coil spring is unfolded outwards from the scroll; when the drawer body is in an open state, the coil spring is wound on the scroll; the automatic spring-out mechanism has a rolling force which drives the coil spring to be automatically rolled on the scroll so as to enable the drawer body to automatically spring out from a closed state and switch to an open state; according to the automatic spring opening device, the automatic spring opening of the drawer body is realized through the coil spring which can be wound on the scroll, the motor drive is not needed in the working process, the energy is saved, the reliability is realized, the structure is simple, and the automatic spring opening device is suitable for batch production.
Description
Technical Field
The invention relates to the field of refrigerator design, in particular to an automatic pop-up drawer assembly and a refrigerator with the same.
Background
The drawer related to the middle and high-end refrigerator in the market generally has a larger volume, the drawer with the large volume can store more articles, and the smoothness of opening the drawer by a user is gradually reduced along with the increase of the weight of the articles stored in the drawer. Based on this, the industry has explored a drawer with an automatic pop-up function, but the drawer with the automatic pop-up function in the prior art is pushed out by motor drive, and there are problems such as power consumption, noise big, the push-out stroke is little, the drawer push-out midway stops the degree of difficulty greatly in the course of the work.
In view of the above, there is a need for an improved automatic pop-up drawer assembly that solves the above problems.
Disclosure of Invention
The present invention is designed to solve at least one of the technical problems of the prior art, and to achieve the above object, the present invention provides an automatic pop-up drawer assembly, which is specifically designed as follows.
An automatic pop-up drawer assembly comprises a drawer body matched with a box body, wherein the drawer body has a closed state entering the box body and an open state exiting the box body, the drawer assembly also has an automatic pop-up mechanism, the automatic pop-up mechanism comprises a winding shaft and a coil spring, one end of the coil spring is connected to the winding shaft, the coil spring also has a free end far away from the winding shaft, one of the winding shaft and the free end of the coil spring is connected to the drawer body, and the other is connected to the box body; when the drawer body is in the closed state, the coil spring is unfolded outwards from the reel; when the drawer body is in the open state, the coil spring is wound on the reel; the automatic ejecting mechanism has a winding force for driving the coil spring to be automatically wound on the winding shaft so that the drawer body is automatically ejected outwards from the closed state and is switched to the open state.
Furthermore, the drawer component also comprises a synchronous limiting mechanism which enables the left side and the right side of the drawer body to synchronously move relative to the box body when the drawer body enters or exits the box body.
Furthermore, in the width direction of the drawer body, the synchronous limiting mechanism comprises two racks with the extending direction consistent with the advancing and retreating direction of the drawer body and two gears which are respectively meshed with the two racks and synchronously rotate when the drawer body enters or retreats from the box body; the rack is fixedly arranged on one of the box body and the drawer body, and the gear is rotatably arranged on the other of the box body and the drawer body.
Furthermore, the drawer assembly further comprises a locking mechanism which automatically locks and keeps the drawer body contained in the box body after the drawer body enters the box body, and the locking mechanism is provided with a trigger piece which triggers and releases the drawer body so that the drawer body is automatically ejected outwards from the box body.
Furthermore, in the direction that the drawer body withdraws from the box body, the locking mechanism comprises a shifting piece which is rotatably arranged at the front end of the drawer body along a left-right direction rotating shaft, and the shifting piece is provided with a first extending section and a second extending section which respectively extend towards the front side and the rear side of the drawer body from the rotating shaft; the trigger is a first button exposed at the front side of the drawer body, and the first button has an original state which is not pressed down and a trigger state which is pressed down from the original state; the locking mechanism further comprises a first elastic piece which drives one end, far away from the rotating shaft, of the first extension section to elastically abut against the back face of the first button so as to keep the first button to have a trend of resetting from the trigger state to the original state; the second extension section is kept away from the one end of pivot is formed with the couple, locking mechanical system still including be fixed in the box with the drawer body accept in supply when in the box the couple hook locks the couple cooperation portion of drawer body, first button is in during the trigger state, the couple breaks away from couple cooperation portion.
Furthermore, in the direction that the drawer body withdraws from the box body, the locking mechanism comprises a limiting piece arranged at the front end of the drawer body and a clamping rod which is fixed relative to the box body and extends towards the direction of the limiting piece, a clamping groove is formed at the front end of the clamping rod in the circumferential direction, a clamping hole for inserting the front end of the clamping rod when the drawer body enters the box body is formed on the limiting piece, and the limiting piece is provided with a first position for inserting the clamping rod into the clamping hole from the outside and a second position for clamping the clamping groove when the clamping groove reaches the position of the clamping hole; the limiting piece is connected with a second elastic piece which drives the limiting piece to move from the first position to the second position, and the triggering piece is a second button which is exposed at the front side of the drawer body and drives the limiting piece to move from the second position to the first position when pressed down; the locking mechanism further comprises a retaining rod arranged at the front end of the drawer body and positioned on the same horizontal straight line with the clamping rod, and the retaining rod is connected with a third elastic piece which drives the retaining rod to move towards the limiting piece and is inserted into the clamping hole after the clamping rod is separated from the clamping hole so as to keep the limiting piece positioned at the first position.
Further, after the trigger piece triggers and releases the drawer body, in the process that the retaining rod moves towards the limiting piece, the rear end of the retaining rod is always abutted to the front end of the clamping rod until the retaining rod is inserted into the clamping hole.
Furthermore, the drawer body comprises a bracket for arranging the gear and an accommodating box which is detachably assembled above the bracket and is used for accommodating articles.
Further, the drawer assembly is also provided with a damping piece which applies damping force to the drawer body when the drawer body automatically withdraws from the box body.
The invention also provides a refrigerator which comprises a box body and the automatic pop-up drawer assembly arranged in the box body.
The invention has the beneficial effects that: the automatic pop-up drawer component realizes automatic pop-up of the drawer body through the coil spring which can be wound on the scroll, does not need to be driven by a motor in the working process, is energy-saving and reliable, has a simple structure, and is suitable for batch production.
Drawings
FIG. 1 is a schematic view of a drawer body and a drawer housing according to the present invention;
FIG. 2 is a schematic view of a drawer body;
FIG. 3 is a schematic view of the engagement of the synchronization limiting mechanism with the housing;
FIG. 4 is an exploded view of the synchronizing restriction mechanism;
FIG. 5 is a schematic view of a drawer body;
FIG. 6 is a schematic view of the bracket fitted inside the cabinet;
FIG. 7 is a schematic illustration in cross-section of FIG. 6 through an automatic ejection mechanism;
FIG. 8 is an enlarged view of a portion a of FIG. 7;
FIG. 9 is a schematic view of an automatic eject mechanism;
FIG. 10 is a first schematic view of the cross-section of FIG. 6 through the locking mechanism;
FIG. 11 is an enlarged view of portion b of FIG. 10;
FIG. 12 is a first schematic view of the locking mechanism;
FIG. 13 is a second schematic view of the cross-section of FIG. 6 through the locking mechanism;
FIG. 14 is an enlarged view of portion c of FIG. 13;
FIG. 15 is a second schematic view of the locking mechanism;
FIG. 16 is an exploded view of the locking mechanism shown in FIG. 15;
FIG. 17 is a schematic view showing a state where the latch lever is not inserted into the latching hole of the stopper piece;
FIG. 18 is a schematic view showing a state in which the latch lever is latched in the latching hole of the stopper piece;
FIG. 19 is another schematic illustration in cross-section of FIG. 6 through an automatic ejection mechanism;
FIG. 20 is an enlarged view of portion d of FIG. 19;
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings, and reference is made to fig. 1 to 20, which are some preferred embodiments of the present invention.
Referring to fig. 1, the automatic pop-up drawer assembly according to the present invention includes a drawer body 100 for being fitted with a cabinet 20; in an implementation process, in order to facilitate a user to clean a space of the drawer body 100 for storing articles, referring to fig. 5, the drawer body 100 includes a bracket 11 and a receiving box 12 detachably mounted above the bracket 11 for receiving articles; it is understood that, in other embodiments of the present invention, the bracket 11 and the accommodating box 12 may be integrally formed, and will not be described in detail herein.
In the present invention, the drawer body 100 has a closed state entering the box 20 and an open state exiting the box 20; it is understood that the entering or exiting of the drawer body 100 into or out of the box 20 in the present invention refers to the entering or exiting of the drawer body 100 into or out of the receiving cavity 200 of the box 20. The drawer assembly according to the present invention further has an automatic ejecting mechanism, as shown with reference to fig. 9, which includes a reel 151 and a coil spring 152 having one end connected to the reel 151, the coil spring 152 having a free end remote from the reel 151.
In the present embodiment, with reference to the embodiment shown in fig. 6, 7 and 8, the winding shaft 151 is connected to the cabinet 20, and the free end of the coil spring 152 is connected to the drawer body. Specifically, referring to fig. 8, the automatic ejecting mechanism is disposed below the drawer body 100, and a protrusion 114 for connecting the coil spring 152 is formed on the bottom wall of the drawer body 100 in a downward protruding manner; when the drawer body 100 is in the closed state, the reel 151 is located at the front side of the protrusion 114 in the direction in which the drawer body 100 exits the cabinet 20.
As further shown in fig. 8 and 9, an assembly chamber 2010 is formed by downward recessing an upper surface of the bottom wall 201 of the case 20 in this embodiment, the reel 151 is rotatably disposed in the assembly chamber 2010, a top cover 2011 is covered on a top of the assembly chamber 2010, an opening (not shown in the drawings) for leading out the coil spring 152 toward the protrusion 114 is formed between the top cover 2011 and the upper surface of the bottom wall 201, and an end hole 1520 for hooking and fixing the coil spring 152 on the protrusion 114 is disposed at an end of the coil spring 152 away from the reel 151.
As shown in fig. 8, when the drawer body 100 is in a closed state, the coil spring 152 is unfolded outward from the spool 151; when the drawer body 100 is in an open state (not shown), the coil spring 152 is wound on the reel 151. The automatic ejecting mechanism of the present invention has a winding force for driving the coil spring 152 to automatically wind on the winding shaft 151 so that the drawer body 100 is automatically ejected outward from the closed state and switched to the open state. In other words, the coil spring 152 is automatically wound on the reel 151 without being subjected to an external force. In this embodiment, the wind-up force is the stress generated by the coil spring 152 itself.
In another embodiment of the present invention, the spool 151 is connected to the drawer body 100, and the free end of the coil spring 152 is connected to the cabinet 20. Referring specifically to fig. 19 and 20, in the present embodiment, a mounting chamber 2010 is formed by being recessed upward from the bottom of the bracket 11, and the reel 151 is rotatably disposed in the mounting chamber 2010; a boss 114 to which the coil spring 152 is connected is formed to protrude upward from the bottom wall of the case 20. In this embodiment, the reel 151 is located behind the protrusion 114 in the direction of withdrawing the drawer body 100 from the box 20.
The automatic pop-up drawer assembly realizes automatic pop-up of the drawer body 100 through the coil spring 152 which can be wound on the scroll 151, does not need to be driven by a motor in the working process, is energy-saving and reliable, has a simple structure, and is suitable for batch production. In addition, it is comparatively easy to understand that, based on the characteristic of coil spring structure, be the platykurtic before the rolling, occupation space is little after the rolling, so can effectively reduce the space requirement of drawer assembly.
In a preferred embodiment, the drawer assembly according to the present invention further includes a synchronization restricting mechanism for synchronously moving the left and right sides of the drawer body 100 with respect to the cabinet 20 when the drawer body 100 enters or exits the cabinet 20.
Referring to fig. 2, 3 and 4, the synchronous limiting mechanism in this embodiment includes two gears 13 spaced apart in the width direction of the drawer body 10 and two racks 14 fixed in the box 20 and extending in the same direction as the drawer body 100, and the two gears 13 are respectively engaged with the two racks 14 to rotate synchronously when the drawer body 100 enters or exits the box 100.
The two gears 13 in this embodiment include a first gear 131 and a second gear 132 disposed at the left and right ends of the rear side of the bracket 11, and the two racks 14 include a first rack 141 and a second rack 142 fixed on the bottom wall 201 of the housing 20 and respectively engaged with the first gear 131 and the second gear 132.
In the implementation of the present embodiment, referring to fig. 4, the bracket 11 is fixed with a first rotating head 111 and a second rotating head 112 respectively rotatably engaged with the first gear 131 and the second gear 132.
Based on the engagement manner of the gear 13 and the rack 14 in the synchronization restriction mechanism, when the drawer body 100 enters or exits the box body 20, the left and right sides of the drawer body 100 can move synchronously with respect to the box body 20, thereby ensuring smooth opening or closing of the drawer body 100.
In the implementation of the present embodiment, referring to fig. 4, a connecting link 130 is fixed between the first gear 131 and the second gear 132, and the connecting link 130 can ensure that the first gear 131 and the second gear 132 rotate synchronously. In this embodiment, as shown in fig. 2 and 4, the bracket 12 is provided with a circular rotation hole (not shown) for the link 130 to pass through and support the rotation of the link, the rotation hole is formed on a protrusion 110 protruding from the bottom of the bracket 12, and an engagement key 1300 rotatably engaged with the rotation hole of the protrusion 110 is formed at the middle position of the link 130.
In another embodiment of the present invention, the positions of the gear 13 and the rack 14 constituting the synchronization restricting mechanism are reversed from those of the above embodiment. Two racks 14 are fixed to the bottom of the carriage 12, and two gears 13 are rotatably provided on the casing 20 (not shown).
As shown in fig. 1 and 3, the drawer assembly according to the present invention further includes a slide rail 16 provided in the casing 20 for allowing the drawer body 100 to move forward and backward in the casing 20. The specific structure of the slide rail 16 can be referred to the prior art design and will not be described in detail herein.
To enable the drawer body 100 to be in a locked state after entering the inside of the cabinet 20. The drawer assembly according to the present invention further includes a locking mechanism for automatically locking the drawer body 100 after the drawer body 100 enters the casing 20 and maintaining the drawer body 100 housed inside the casing 20, and the locking mechanism has a trigger for triggering the release of the drawer body 100 so that the drawer body 100 is automatically ejected outward from the casing 20. Two specific embodiments of the lock mechanism of the present invention will be shown below.
A first structure of the lock mechanism according to the present invention is shown with reference to fig. 6, 10, 11, and 12. In this embodiment, the locking mechanism includes a finger rotatably provided at the front end of the drawer body 100 along a left-right direction toward the rotation shaft 170 in a direction in which the drawer body 100 is withdrawn from the cabinet 20. Specifically, in this embodiment, the front end of the bracket 11 constituting the drawer body 100 has a fixing beam 113, a mounting cavity 1130 is formed inside the fixing beam 113, and the rotating shaft 170 is rotatably disposed in the mounting cavity 1130.
Referring to the drawings, the shifting piece has a first extension 171 and a second extension 172 extending from the rotation axis 170 toward the front and back sides of the drawer body 11; the trigger is a first button 173 exposed at the front side of the drawer body 11, and the first button 173 has an original state where it is not pressed and a triggered state where it is pressed from the original state. Specifically, in the present embodiment, a first through hole (not labeled) is formed in the front side wall of the fixing beam 113, and the first button 173 is exposed to the front side of the drawer body 11 through the first through hole for being pressed by a user.
The locking mechanism further includes a first elastic member 174 for urging an end of the first extension 171 away from the shaft 170 to elastically abut against a back surface of the first button 173 to maintain the first button 173 with a tendency to return from the triggered state to the original state. In this embodiment, referring to fig. 12, the first elastic element 174 is a torsion spring sleeved on the rotating shaft 170 to drive the poke piece to rotate around the rotating shaft 170.
The end of the second extension 172 away from the shaft 170 is formed with a hook 1720, and the locking mechanism further includes a hook fitting portion fixed in the box 20 for hooking the hook 1720 and locking the drawer body 100 when the drawer body 100 is accommodated in the box 20. Referring to fig. 11, the hook engaging portion in this embodiment is a protrusion 2011 protruding upward from the bottom wall 201 of the housing 20, and a slope (not shown) for slidably inserting the hook 1720 is formed at the front side of the protrusion 2011. In this embodiment, when the first button 173 is in the triggered state, the hook 1720 is disengaged from the hook engaging portion, i.e. the hook 1720 is separated from the protrusion 2011, and at this time, under the action of the pop-up mechanism, the drawer body 100 can automatically exit from the box body 20, so that the user can conveniently take and place articles in the storage box.
A second structure of the lock mechanism according to the present invention is shown with reference to fig. 6, 13, 14, 15, 16, 17, and 18. In this embodiment, the locking mechanism includes a limiting plate 181 disposed at the front end of the drawer body and a clamping rod 182 fixed to the box body 20 and extending toward the limiting plate 181 in a direction in which the drawer body 100 is withdrawn from the box body 20.
Referring to fig. 14 and 16, the snap rod 182 is fixed to the bottom wall 201 of the housing 20, and a snap groove 1820 is formed at a front end of the snap rod in a circumferential direction. In the embodiment, the limiting plate 181 is formed with a clamping hole 1810, and as shown in fig. 18, the clamping hole 1810 can be used for inserting the front end of the clamping rod when the drawer body enters the box body.
Specifically, the position-limiting piece 181 has a first position at which the engaging rod 182 is inserted into the engaging hole 1810 from the outside and a second position at which the engaging groove 1820 is engaged when the engaging groove 1820 reaches the position of the engaging hole 1810, the position-limiting piece 181 is connected to a second elastic member 183 for driving the position-limiting piece 181 to move from the first position to the second position, and the trigger member is a second button 184 exposed to the front side of the drawer body 100 for driving the position-limiting piece 181 to move from the second position to the first position when pressed.
Referring to fig. 17, at this time, the position-limiting piece 181 is at the first position, and if the drawer body 100 is pushed to enter the box body 20, the clamping rod 182 can be smoothly inserted into the clamping hole 1810 of the position-limiting piece 181; referring to fig. 18, when the locking groove 1820 of the locking rod 182 reaches the position of the locking hole 1810, the second elastic element 183 drives the limiting piece 181 to switch from the first position to the second position to lock the locking rod 182, and at this time, the edge of the locking hole 1810 of the limiting piece 181 is locked to the locking groove 1820, so as to lock the drawer body 100 inside the box 20.
More specifically, the second elastic element 183 is a spring, and the second elastic element 183 and the second button 184 are respectively located at two ends of the limiting plate 181 in the moving direction to cooperate with each other. When the second button 184 is pressed, the spring constituting the second elastic member 183 contracts, and the stopper 181 in the second position can be switched from the current position to the first position, thereby releasing the catch lever 182; at this time, the drawer body 100 can be automatically withdrawn from the inside of the cabinet 20 by the eject mechanism.
In order to allow the drawer body 100 to enter and lock in the box 20 again after exiting from the inside of the box 20, the limiting piece 181 needs to be maintained at the first position after exiting the drawer body 100 from the inside of the box 20. Based on this, the locking mechanism in this embodiment further includes a holding rod 185 disposed on the same horizontal straight line with the latching rod 182 at the front end of the drawer body 100, and the holding rod 185 is connected with a third elastic member 186 that drives the holding rod 185 to move toward the position-limiting piece 181 and inserts into the latching hole 1810 to keep the position-limiting piece 181 at the first position after the latching rod 182 is separated from the latching hole 1810.
Referring to fig. 16, the retaining bar 185 is formed with an annular groove 1850 in the circumferential direction, the retaining ring 187 having an edge protruding beyond the circumferential surface of the retaining bar 185 is engaged in the annular groove 1850, and the third elastic member 186 is a spring fitted over the retaining bar 185 and abutting against the front end surface of the retaining ring 187. The spring constituting the third elastic member 186 is located at the front side of the limiting piece 181 to make the holding rod 185 have a tendency to move toward the limiting piece 181, and can drive the holding rod 185 into the catching hole 1810 of the limiting piece 181 after the catching rod 182 exits the catching hole 1810.
In combination with the above-mentioned structure of the holding rod 185, when the drawer body 100 enters the box body 20, the front end of the clamping rod 182 may abut against the rear end of the holding rod 185 and push the clamping rod 185 to move forward until the clamping hole 1810 forms a clamping connection with the clamping rod 182, and in the whole process, the front end of the clamping rod 182 always abuts against the rear end of the holding rod 185.
In this embodiment, the locking mechanism further comprises a mounting box fixed on the fixed beam 113, and the mounting box comprises a box body 180 with an opening at the lower part and a bottom plate 188 covering the opening. Referring to the drawings, the top wall of the box body 180 is provided with a second through hole 1801 for the second button 184 to be inserted into, and the second button 184 is exposed to the front side of the drawer body 11 through the second through hole 1801 for the user to press; the front side wall of the box body 180 is formed with a third through hole 1802 for the holding rod 185 to pass through, and the box body 180 is also formed with a limiting portion 1800 for limiting the movement of the snap ring 187 further toward the limiting plate 181, the limiting portion 1800 cooperating with the second through hole 1801 to limit the movement of the holding rod 185 in the front-rear direction. In addition, a guiding groove (labeled in the figure) for switching the position-limiting piece 185 between the first position and the second position is further disposed in the box body 180. In practice, base plate 188 provides upward support for the springs that comprise second resilient member 183.
In a preferred embodiment of the present invention, after the trigger triggers the release of the drawer body 100, the rear end of the holding rod 185 is always abutted to the front end of the catching rod 182 until the holding rod 185 is inserted into the catching hole 1810 while the holding rod 185 moves toward the stopper 181. In particular, in the present embodiment, the third elastic member 186 provides an elastic force large enough to drive the retaining rod 185 to move backward, so as to avoid the situation that the clamping rod 182 has exited the clamping hole 1810 and the retaining rod 185 has not entered the clamping hole 1810 during the automatic ejection process of the drawer body 100.
The triggering pieces are all realized in a button form, the required triggering force in the actual operation process is small, the size of the button is small, and the problem of false triggering of a user in the use process can be solved.
In addition, in some embodiments of the present invention, which are not shown, in order to prevent the drawer body 100 from being withdrawn from the receiving cavity 200 too fast, in some preferred embodiments of the present invention, the drawer assembly further has a damping member for applying a damping force to the drawer body 100 when the drawer body 100 is automatically withdrawn from the cabinet 20. As a specific implementation manner, the mating key 1300 on the connecting rod 130 according to the above embodiment of the present invention may be a damping bearing, wherein the damping bearing provides a damping force when the drawer body 100 exits the box 20 that is greater than a damping force provided when the drawer body 100 enters the box 20; more specifically, the damping bearing may be a one-way damping bearing. In other embodiments of the present invention, the damping member may also be a device capable of providing a damping force when being engaged with the sliding rail 16, the gear 13 or other structures, and is not further developed herein.
The refrigerator comprises a box body and further comprises the automatic pop-up drawer assembly arranged in the box body.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. An automatic pop-up drawer assembly comprises a drawer body matched with a box body, wherein the drawer body has a closed state entering the box body and an open state exiting the box body, and is characterized by further comprising an automatic pop-up mechanism, the automatic pop-up mechanism comprises a winding shaft and a coil spring, one end of the coil spring is connected to the winding shaft, the coil spring further comprises a free end far away from the winding shaft, one of the winding shaft and the free end of the coil spring is connected to the drawer body, and the other is connected to the box body; when the drawer body is in the closed state, the coil spring is unfolded outwards from the reel; when the drawer body is in the open state, the coil spring is wound on the reel; the automatic ejecting mechanism has a winding force which drives the coil spring to be automatically wound on the winding shaft so that the drawer body is automatically ejected outwards from the closed state and is switched to the open state; the drawer assembly further comprises a locking mechanism which automatically locks and keeps the drawer body contained in the box body after the drawer body enters the box body, and the locking mechanism is provided with a trigger piece which triggers and releases the drawer body so that the drawer body is automatically ejected outwards from the box body; in the direction that the drawer body exits from the box body, the locking mechanism comprises a limiting piece arranged at the front end of the drawer body and a clamping rod which is fixed relative to the box body and extends towards the direction of the limiting piece, a clamping groove is formed at the front end of the clamping rod in the circumferential direction, a clamping hole for inserting the front end of the clamping rod when the drawer body enters the box body is formed in the limiting piece, and the limiting piece is provided with a first position for inserting the clamping rod into the clamping hole from the outside and a second position for clamping the clamping groove when the clamping groove reaches the position of the clamping hole; the limiting piece is connected with a second elastic piece which drives the limiting piece to move from the first position to the second position, and the triggering piece is a second button which is exposed at the front side of the drawer body and drives the limiting piece to move from the second position to the first position when pressed down; the locking mechanism further comprises a retaining rod arranged at the front end of the drawer body and positioned on the same horizontal straight line with the clamping rod, and the retaining rod is connected with a third elastic piece which drives the retaining rod to move towards the limiting piece and is inserted into the clamping hole after the clamping rod is separated from the clamping hole so as to keep the limiting piece positioned at the first position.
2. The automatic pop-up drawer assembly of claim 1, further comprising a synchronization restriction mechanism for synchronizing movement of the left and right sides of the drawer body with respect to the cabinet when the drawer body enters or exits the cabinet.
3. The automatic pop-up drawer assembly according to claim 2, wherein the synchronization restriction mechanism comprises two racks extending in the same direction as the drawer body in the forward and backward direction and two gears engaged with the two racks respectively and rotating synchronously when the drawer body enters or exits the casing in the width direction of the drawer body; the rack is fixedly arranged on one of the box body and the drawer body, and the gear is rotatably arranged on the other of the box body and the drawer body.
4. The automatic pop-up drawer assembly of claim 1, wherein after the trigger releases the drawer body, the rear end of the holding rod always abuts against the front end of the catch rod until the holding rod is inserted into the catch hole during the movement of the holding rod to the stopper piece.
5. The automatic pop-up drawer assembly of claim 3, wherein the drawer body comprises a tray for disposing the gear and a receiving box detachably mounted above the tray for receiving an article.
6. The automatic pop-up drawer assembly of any one of claims 1 to 5, wherein the drawer assembly further comprises a damping member for applying a damping force to the drawer body when the drawer body is automatically ejected out of the cabinet.
7. A refrigerator comprising a cabinet, wherein the refrigerator further comprises an automatic pop-up drawer assembly as claimed in any one of claims 1 to 6 provided in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082560.0A CN109708415B (en) | 2018-09-17 | 2018-09-17 | Automatic pop-up drawer assembly and refrigerator with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082560.0A CN109708415B (en) | 2018-09-17 | 2018-09-17 | Automatic pop-up drawer assembly and refrigerator with same |
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| Publication Number | Publication Date |
|---|---|
| CN109708415A CN109708415A (en) | 2019-05-03 |
| CN109708415B true CN109708415B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811082560.0A Active CN109708415B (en) | 2018-09-17 | 2018-09-17 | Automatic pop-up drawer assembly and refrigerator with same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111928570B (en) * | 2019-05-13 | 2022-03-25 | 青岛海尔电冰箱有限公司 | Storage device and refrigerator using same |
| CN110812519B (en) * | 2019-11-05 | 2024-07-19 | 宁波方太厨具有限公司 | Disinfection cabinet |
| CN112172683A (en) * | 2020-10-28 | 2021-01-05 | 广州市捷睿电子实业有限公司 | Vehicle-mounted safe |
| CN114348512B (en) * | 2022-01-07 | 2024-01-23 | 重庆名医在线信息技术有限公司 | Intelligent medicine distribution system |
| CN115307375B (en) * | 2022-08-11 | 2023-12-01 | 合肥美的电冰箱有限公司 | Drawer assembly and refrigerator |
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|---|---|
| CN109708415A (en) | 2019-05-03 |
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Effective date of registration: 20201223 Address after: 230601 No.22 Ziyun Road, Hefei Economic and Technological Development Zone, Hefei City, Anhui Province Applicant after: HEFEI HAIER REFRIGERATOR Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 230601 No.22 Ziyun Road, Hefei Economic and Technological Development Zone, Hefei City, Anhui Province Applicant before: HEFEI HAIER REFRIGERATOR Co.,Ltd. |
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