CN115077185B - Refrigeration equipment and shelf thereof - Google Patents
Refrigeration equipment and shelf thereof Download PDFInfo
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- CN115077185B CN115077185B CN202210860110.XA CN202210860110A CN115077185B CN 115077185 B CN115077185 B CN 115077185B CN 202210860110 A CN202210860110 A CN 202210860110A CN 115077185 B CN115077185 B CN 115077185B
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- transmission
- shelf
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- movable handle
- 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
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Abstract
The invention discloses a shelf of refrigeration equipment and the refrigeration equipment, wherein the shelf of the refrigeration equipment comprises a shelf, a mounting rack and a driving device, and the shelf is arranged at the top of the mounting rack; the driving device comprises a reversing mechanism, a lifting mechanism connected with the mounting frame and an annular driving rack wound on the periphery of the lifting mechanism and in transmission fit with the lifting mechanism, the annular driving rack comprises two transmission sections, the reversing mechanism comprises a movable handle, an engaging piece and a transmission piece connected with the movable handle, and the engaging piece and the transmission piece are positioned between the two transmission sections; the meshing piece is meshed with one transmission section, the movable handle is rotated, and the transmission piece drives the meshing piece to move between the two transmission sections, so that the meshing piece is switched to the other transmission section to be meshed; the movable handle is pushed to move horizontally, and the mounting frame is driven to lift through the annular driving rack and the lifting mechanism. The movable handle is pushed to complete the height adjustment of the shelf and the mounting rack, the shelf is not required to be drawn out and then inserted again in the adjustment process, and therefore the adjustment process is convenient.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a shelf of refrigeration equipment and the refrigeration equipment.
Background
The refrigerating chamber of the refrigerating equipment is provided with a plurality of layers of shelves for storing articles, and the heights of the shelves are required to be adjusted because the shelves are high and low when the articles are stored. At present, the liner ribs at different gears are arranged on the liner of the refrigerator, when the height of the shelf is required to be adjusted, articles on the shelf are required to be moved away, the shelf is pulled out, and then the articles are placed on the liner ribs at corresponding heights, so that the adjustment is very inconvenient.
Disclosure of Invention
The invention mainly aims to provide a shelf of refrigeration equipment and the refrigeration equipment, and aims to solve the technical problem that the height of the shelf of the existing refrigeration equipment is inconvenient to adjust.
In order to achieve the above object, the present invention provides a shelf of a refrigeration device, the refrigeration device includes an inner container, the shelf is located in the inner container, the shelf of the refrigeration device includes:
a shelf;
the shelf is mounted at the top of the mounting rack;
the driving device comprises a reversing mechanism, a lifting mechanism connected with the mounting frame and an annular driving rack wound on the periphery of the lifting mechanism and in transmission fit with the lifting mechanism, the annular driving rack comprises two transmission sections connected end to end, the reversing mechanism comprises a movable handle, an engaging piece and a transmission piece connected with the movable handle, and the engaging piece and the transmission piece are positioned between the two transmission sections;
the meshing piece is meshed with one transmission section, the movable handle is rotated, so that the meshing piece is driven to move between the two transmission sections through the transmission piece, and the meshing piece is switched to be meshed with the other transmission section; and pushing the movable handle to translate along the transmission section so as to drive the mounting rack to lift through the annular driving rack and the lifting mechanism.
In an embodiment, the transmission member is a transmission cam, the two sides of the meshing member facing the two transmission sections are respectively provided with a insection section for meshing with the transmission sections, the mounting frame is supported on the meshing member and is in sliding fit with the meshing member, the meshing member is formed with an accommodating cavity for accommodating the transmission cam, the movable handle penetrates through the bottom wall of the accommodating cavity and is connected with the transmission cam, and the movable handle rotates to enable the flange of the transmission cam to drive the meshing member to move between the two transmission sections.
In one embodiment, the reversing mechanism further comprises a shell, the shell is covered on the periphery of the transmission cam and the meshing part, the shell is in sliding fit with the mounting frame, the movable handle sequentially penetrates through the bottom surface of the shell and the bottom wall of the accommodating cavity and is connected with the transmission cam, a limiting clamping groove is formed in the bottom surface of the shell, and the movable handle is used for being in clamping fit with the limiting clamping groove.
In an embodiment, the housing includes an upper platen and a lower platen, the bottom surface of the lower platen is provided with the limiting clamping groove, the top surface of the lower platen is provided with a limiting groove, the upper platen is in sliding fit with the mounting frame, the bottom surface of the upper platen protrudes towards the lower platen to form a limiting boss, and the limiting boss is in insertion fit with the limiting groove.
In one embodiment, a limiting baffle is arranged on the bottom surface of the upper pressure plate, and one side of the limiting baffle, which faces the engaging piece, is used for abutting against the engaging piece.
In one embodiment, the movable handle comprises a holding part, a connecting rod and a limiting part, the connecting rod is connected with the top surface of the holding part, the connecting rod sequentially penetrates through the bottom surface of the shell and the bottom wall of the accommodating cavity and is connected with the transmission cam, and the limiting part is in clamping fit with the limiting clamping groove.
In an embodiment, the reversing mechanism further comprises a return spring, one end of the return spring is connected with one end, far away from the holding portion, of the connecting rod, the other end of the return spring is abutted to the top surface of the shell, the holding portion is pulled to enable the limiting portion to be separated from the limiting clamping groove, the return spring is driven by the connecting rod to compress and rotate the holding portion, the meshing piece is switched to be meshed with the other transmission section, and the return spring pulls the limiting portion to be in clamping fit with the limiting clamping groove again through the connecting rod.
In an embodiment, a limiting member is disposed at an end of the connecting rod away from the holding portion, a through hole for the connecting rod to pass through is formed in the top surface of the housing, and an outer diameter of the limiting member is larger than an aperture of the through hole.
In one embodiment, the two side walls of the holding part, which are arranged oppositely, are provided with lifting marks.
In one embodiment, the driving device further comprises a mounting seat, the lifting mechanism further comprises a screw rod and a transmission assembly, the mounting seat is mounted on the inner container, the screw rod penetrates through the mounting seat and is in threaded connection with the mounting seat, and the top of the screw rod is abutted to the bottom of the mounting frame; the annular driving rack is in transmission fit with the transmission assembly, the movable handle is pushed to move horizontally along the transmission section, and the screw rod is driven to rotate through the annular driving rack and the transmission assembly, so that the mounting rack is driven, and the shelf is driven to be opposite to the mounting base to lift.
In one embodiment, the mounting rack is provided with a holding groove for holding the transmission assembly, the notch of the holding groove faces upwards, the shelf covers the notch of the holding groove, and the movable handle penetrates through the groove bottom of the holding groove and is connected with the transmission assembly.
In an embodiment, the transmission assembly includes a second gear and a plurality of first gears disposed at intervals, the second gear is connected to the lead screw, the second gear is engaged with one of the first gears, the annular driving rack is annularly disposed around two of the first gears and engaged with the two first gears, the movable handle is pushed, so that the annular driving rack drives the first gears and the second gears to rotate, and the lead screw is driven to rotate relative to the mounting base.
In an embodiment, the plurality of first gears are arranged at intervals along a circumferential direction of the mounting bracket, the lifting mechanism further includes a transmission rack annularly arranged around the plurality of first gears and engaged with the respective first gears, so as to drive the plurality of first gears to synchronously rotate through the transmission rack, the screw rod, the mounting seat and the second gears are all multiple, and the respective first gears are arranged corresponding to the screw rod, the mounting seat and the second gears.
In one embodiment, two opposite ends of the mounting frame along the length direction of the shelf board protrude upwards to form limiting flanges, and the limiting flanges are abutted to the outer edge of the shelf board.
In addition, the invention also provides refrigeration equipment which comprises an inner container and the shelf of the refrigeration equipment.
In the technical scheme of the invention, when the positions of the shelf and the mounting rack need to be adjusted, the movable handle can be pushed to move in parallel along the extending direction of the transmission section, so that the movable handle drives the mounting rack to ascend or descend through the annular transmission rack and the lifting mechanism, the height of the shelf and the height of the mounting rack are adjusted, and the shelf does not need to be drawn out in the adjusting process and then is inserted into the container rib with the corresponding height again, so that the adjusting process is more convenient; when the movable handle moves from the left side of the inner container to the right side of the inner container along one of the transmission sections and drives the mounting frame to ascend, when the movable handle cannot move continuously, namely the movable handle is limited by the length of the transmission section, the stroke of the movable handle is limited, the mounting frame is limited to move continuously upwards, the movable handle can be rotated at the moment, a transmission part connected with the movable handle is driven to rotate, along with the rotation of the transmission part, the meshing part is driven to move back and forth between the two transmission sections, the meshing part is separated from the transmission section meshed with the meshing part before and is meshed with the other transmission section, the movable handle can continue to move from the right side of the inner container to the left side along the extending direction of the other transmission section, the mounting frame and the shelf are continuously driven to ascend and back and forth until the mounting frame and the shelf are moved to positions required by a user, through the design, the limitation of the inner container on the stroke of the movable handle is easily broken through, the height adjustment of the mounting frame and the shelf cannot be adjusted under the conditions such as the size of the inner container, and the upper limit of the height adjustment cannot exist, and the use requirements of the user can be better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is also possible for those skilled in the art to obtain other drawings in the structures shown in the drawings without inventive effort.
FIG. 1 is a schematic view of the shelf assembly of a refrigeration appliance according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an exploded view of a shelf of a refrigeration appliance according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a driving device in a shelf of a refrigeration device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the assembly of the reversing mechanism in the shelf of the refrigeration appliance according to an embodiment of the present invention;
FIG. 6 is an exploded view of the reversing mechanism in the shelf of the refrigeration appliance in accordance with one embodiment of the present invention;
FIG. 7 is a schematic view of a portion of a driving device in a shelf of a refrigeration appliance according to an embodiment of the present invention;
fig. 8 is a partial structural schematic view of a driving device in a shelf of a refrigeration device according to an embodiment of the invention;
FIG. 9 is a schematic view of a portion of a driving device in a shelf of a refrigeration appliance according to an embodiment of the present invention;
fig. 10 is a schematic view of a part of a refrigeration apparatus according to an embodiment of the present invention.
The reference numbers illustrate:
1. the refrigerator comprises shelves, 10 shelves, 11 mounting racks, 111 limit flanges, 112 accommodating grooves, 12 driving devices, 13 reversing mechanisms, 131 movable handles, 1310 holding parts, 1311 connecting rods, 1312 limit parts, 1313 limit parts, 132 transmission parts, 133 meshing parts, 134 thread sections, 135 shells, 1351 upper pressing plates, 1352 lower pressing plates, 1353 limit clamping grooves, 1354 limit grooves, 1355 limit bosses, 1356 limit baffle plates, 1357 through holes, 136 reset springs, 137 lifting marks, 138 accommodating cavities, 139 positioning holes, 14 annular driving racks, 15 mounting seats, 16 lifting mechanisms, 161 screw rods, 162 transmission assemblies, 1621 first gears, 1622 second gears, 163 transmission racks, 164 first transmission parts, 165 second transmission parts, 166 third transmission parts, 167 transmission sections, 168 rotating seats, 17 limit protective edges, 18 cover plates, 2 refrigerating equipment and 20 inner containers.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indications (such as up, down, left, right, front, and back) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in fig. 3), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" can include at least one of the feature either explicitly or implicitly.
Technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a shelf 1 of refrigeration equipment 2, as shown in figures 1-5 and 10, the refrigeration equipment 2 comprises a liner 20, the shelf 1 is positioned in the liner 20, the shelf 1 of the refrigeration equipment 2 comprises a shelf 10, a mounting rack 11 and a driving device 12, and the shelf 10 is mounted at the top of the mounting rack 11; the driving device 12 comprises a reversing mechanism 13, a lifting mechanism 16 connected with the mounting frame 11 and an annular driving rack 14 which is arranged around the periphery of the lifting mechanism 16 and is in transmission fit with the lifting mechanism 16, the annular driving rack 14 comprises two transmission sections 167 which are connected end to end, the reversing mechanism 13 comprises a movable handle 131, an engaging piece 133 and a transmission piece 132 connected with the movable handle 131, and the engaging piece 133 and the transmission piece 132 are positioned between the two transmission sections 167; the engaging member 133 is engaged with one transmission section 167, and the movable handle 131 is rotated to drive the engaging member 133 to move between the two transmission sections 167 through the transmission member 132, so that the engaging member 133 is switched to be engaged with the other transmission section 167; the movable handle 131 is pushed to translate along the transmission segment 167 to lift the mounting frame 11 through the ring-shaped driving rack 14 and the lifting mechanism 16.
It should be noted that the shelf 1 of the refrigeration equipment 2 is particularly suitable for being used as a shelf 1 of a refrigerator, but is not limited to be used as the shelf 1 of the refrigerator, and other equipment applying the shelf 1 of the refrigeration equipment 2 provided by the invention also falls into the protection scope of the invention.
When the positions of the shelf 10 and the mounting frame 11 need to be adjusted, the movable handle 131 can be pushed to move the movable handle 131 in parallel along the extending direction of the transmission section 167, so that the movable handle 131 drives the mounting frame 11 to ascend or descend through the annular transmission rack 163 and the lifting mechanism 16, the height of the shelf 10 and the height of the mounting frame 11 can be adjusted, and the shelf 10 does not need to be drawn out in the adjusting process and then is inserted into the bladder ribs with the corresponding height again, so that the adjusting process is convenient; when the movable handle 131 moves from the left side of the liner 20 to the right side of the liner 20 along one of the transmission sections 167 and drives the mounting frame 11 to ascend, when the movable handle 131 cannot move continuously, that is, at this time, because of the limitation of the length of the transmission section 167 and the limitation of the width of the liner 20, the stroke of the movable handle 131 is limited, and the mounting frame 11 is limited to move continuously upwards, at this time, the transmission member 132 connected with the movable handle 131 is driven to rotate by rotating the movable handle 131, and along with the rotation of the transmission member 132, the engagement member 133 is driven to reciprocate between the two transmission sections 167, so that the engagement member 133 is separated from the transmission section 167 which is engaged with the engagement member before and is engaged with the other transmission section 167, the side movable handle 131 can continue to move from the right side to the left side of the liner 20 along the extending direction of the other transmission section 167, and the mounting frame 11 and the shelf 10 are continuously ascended, and thus the reciprocating is carried until the mounting frame 11 and the shelf 10 move to the position required by the user, through the design, the limitation of the stroke of the movable handle 131 is easily broken, so that the height adjustment of the mounting frame 11 and the shelf 10 can be adjusted under the condition such as the size of the liner 20, and the upper limit of the liner can be allowed by the user can be better, and the upper limit of the use of the liner can be met, and the upper limit of the liner can be met, and the user can be met.
It should be noted that, the lifting mechanism 16 may be a screw 161 mechanism, or a gear and rack mechanism, and one rack is driven by the movable handle 131 to drive the gear to rotate, and the rotated gear drives the other rack to ascend or descend, so as to drive the mounting rack 11 and the shelf 10 to ascend or descend by the rack.
As shown in fig. 3, 6 and 8, the transmission member 132 is a transmission cam, the engaging member 133 is provided with a toothed section 134 facing to both sides of the two transmission sections 167 for engaging with the transmission sections 167, the mounting bracket 11 is supported on the engaging member 133 and is in sliding fit with the engaging member 133, the engaging member 133 is formed with a receiving cavity 138 for receiving the transmission cam, the movable handle 131 passes through the bottom wall of the receiving cavity 138 and is connected with the transmission cam, and the movable handle 131 rotates to enable the flange of the transmission cam to drive the engaging member 133 to move between the two transmission sections 167. Because the transmission member 132 is a transmission cam, and the transmission cam is located in the accommodating groove 112, the outer edge of the transmission cam is used for abutting against the groove wall of the accommodating groove 112, the movable handle 131 is rotated, the transmission cam is also rotated, so that the outer edge of the transmission cam is separated from the groove wall of one side of the accommodating groove 112, along with the rotation of the transmission cam, the outer edge of the transmission cam is abutted against the groove wall of the other side, the groove walls of the two sides are arranged oppositely, along with the rotation of the transmission cam, the insection section 134 of the groove wall of the accommodating groove 112 abutted against before the transmission cam is separated from the transmission section 167 located at the side, and the other insection section 134 is engaged with the other transmission section 167, so that the engagement member 133 can move back and forth between the two transmission sections 167 and can be switched to the transmission section 167 engaged with the engagement member 133, thereby breaking through the limitation on the stroke of the movable handle 131.
According to another embodiment of the present invention, the transmission member 132 may be a transmission shaft, the transmission shaft is located in the receiving groove 112, one end of the transmission shaft is connected to the movable handle 131, and the other end of the transmission shaft is used to abut against a groove wall of the receiving groove 112, and the transmission shaft is rotated along with the rotation of the movable handle 131, so that the transmission shaft drives the engaging member 133 to move between the two transmission sections 167. In order to facilitate the rotation of the engaging member 133 driven by the transmission shaft, a rounded corner is formed on one side of the transmission shaft close to the groove wall of the accommodating groove 112.
As shown in fig. 3, 5, 6 and 9, the reversing mechanism 13 further includes an outer casing 135, the outer casing 135 covers the periphery of the transmission cam and the engaging member 133, the outer casing 135 is in sliding fit with the mounting bracket 11, the movable handle 131 sequentially passes through the bottom surface of the outer casing 135 and the bottom wall of the accommodating cavity 138 and is connected with the transmission cam, a limiting clamping groove 1353 is formed in the bottom surface of the outer casing 135, and the movable handle 131 is used for being in clamping fit with the limiting clamping groove 1353. By arranging the shell 135, the transmission cam and the engaging member 133 are covered in the shell 135, so that a good working environment is provided for the transmission cam and the engaging member 133, and meanwhile, a user can be effectively protected, and the phenomenon that the user carelessly twists clothes or other articles into the engaging part of the parts in the shell 135 to influence the normal engagement of the engaging member 133 is avoided; through the arrangement of the limiting clamping groove 1353, when a user moves the movable handle 131 in parallel, the movable handle 131 is ensured not to rotate relative to the engaging member 133, and the engaging reliability of the toothed section 134 and the transmission section 167 is ensured.
It should be noted that the movable handle 131 and the limiting clamping groove 1353 may be in clamping fit by arranging a limiting section on the movable handle 131, when the limiting section extends into the limiting clamping groove 1353, the limiting section and the limiting clamping groove 1353 realize clamping fit, and when the clamping fit relation needs to be released, the movable handle 131 can be rotated relative to the limiting clamping groove 1353, usually rotated 180 °, and then the limiting section is placed into the limiting clamping groove 1353 again by only pulling out the limiting section from the limiting clamping groove 1353; when spacing draw-in groove 1353 is circular, spacing draw-in groove 1353's inner wall is provided with a plurality of spacing archs, and every spacing bellied one side all is provided with the spigot surface, be provided with the spacing section of elasticity on the activity handle 131, the spacing section of elasticity is located between two arbitrary spacing archs, the user can rotate activity handle 131 along the direction that makes spacing section orientation spigot surface, make spacing section can be in need not be from the spacing draw-in groove 1353 in the condition of taking out, still can make activity handle 131 relative spacing draw-in groove 1353 rotate, and spacing arch can play certain limiting displacement to spacing section.
As shown in fig. 5 to 9, a limiting baffle plate 1356 is disposed on a bottom surface of the upper platen 1351, and one side of the limiting baffle plate 1356 facing the engaging member 133 is configured to abut against the engaging member 133. By providing the limit baffle 1356, one side of the limit baffle 1356 facing the engaging member 133 is configured to abut against an outer edge of the engaging member 133, so as to limit the engaging member 133 from rotating relative to the housing 135 when the movable handle 131 is rotated or when the movable handle 131 is moved, thereby ensuring that the serration section 134 and the transmission section 167 can be smoothly engaged when the movable handle 131 is rotated, and ensuring the reliability of engagement between the serration section 134 and the transmission section 167 when the movable handle 131 is moved.
It should be noted that the number of the limiting baffle plates 1356 is two, the two limiting baffle plates 1356 are arranged at intervals, the engaging member 133 is located between the two limiting baffle plates 1356, the front side and the rear side of the engaging member 133 are respectively provided with the tooth pattern sections 134, the left side and the right side of the engaging member 133 are respectively abutted against the two limiting baffle plates 1356, and the limiting baffle plates 1356 are used for limiting the engaging member 133 to rotate relative to the housing 135.
Moreover, the shell 135 comprises an upper pressing plate 1351 and a lower pressing plate 1352, a limiting clamping groove 1353 is formed in the bottom surface of the lower pressing plate 1352, a limiting groove 1354 is formed in the top surface of the lower pressing plate 1352, the upper pressing plate 1351 is in sliding fit with the mounting frame 11, a limiting boss 1355 is formed by the bottom surface of the upper pressing plate 1351 protruding towards the lower pressing plate 1352, and the limiting boss 1355 is in insertion fit with the limiting groove 1354. The limiting groove 1354 is arranged so that the limiting boss 1355 can be inserted into the groove, thereby limiting the rotation of the lower pressing plate 1352 relative to the upper pressing plate 1351 which is slidably connected with the mounting frame 11. It should be noted that the number of the limiting bosses 1355 is two, the two limiting bosses 1355 are arranged at intervals, and the transmission cam and the engaging member 133 are located in a space surrounded by the two limiting bosses 1355 and the two limiting baffle plates 1356, so as to provide a good operating environment for the engaging member 133 and the transmission cam.
According to an embodiment of the invention, two positioning holes 139 are arranged at the bottom of the limiting groove 1354 at intervals, the number of the limiting bosses 1355 is two, and the two limiting bosses 1355 are respectively inserted into the positioning holes 139 and are in plug-in fit with the positioning holes 139, so that the positioning and the installation of the upper pressure plate 1351 are facilitated.
As shown in fig. 5, 6 and 9, the movable handle 131 includes a holding portion 1310, a connecting rod 1311 connected to the top surface of the holding portion 1310, and a position-limiting portion 1312, the connecting rod 1311 sequentially passes through the bottom surface of the outer casing 135 and the bottom wall of the accommodating cavity 138 and is connected to the driving cam, and the position-limiting portion 1312 is snap-fitted to the position-limiting slot 1353. By arranging the limiting part 1312, clamping with the limiting clamping groove 1353 can be completed through the limiting part 1312, so that the rotation of the holding part 1310 relative to the lower pressing plate 1352 is limited, and the meshing reliability of the toothed section 134 and the transmission section 167 is ensured.
According to an embodiment of the present invention, the transmission cam is provided with a kidney-shaped hole, the connecting rod 1311 is provided with a position-limiting surface, the connecting rod 1311 passes through the transmission cam, and the position-limiting surface abuts against two oppositely-arranged hole walls of the kidney-shaped hole, so that when the holding portion 1310 is rotated, the holding portion 1310 rotates relative to the lower pressing plate 1352, and the transmission cam rotates along with the connecting rod 1311, thereby driving the engaging member 133 to switch between the two transmission sections 167.
The reversing mechanism 13 further includes a return spring 136, one end of the return spring 136 is connected to one end of the connecting rod 1311 away from the holding portion 1310, the other end of the return spring 136 abuts against the top surface of the outer shell 135, the holding portion 1310 is pulled to separate the limiting portion 1312 from the limiting clamping groove 1353, the return spring 136 is driven to compress by the connecting rod 1311, the holding portion 1310 is rotated to switch the engaging member 133 to engage with the other transmission segment 167, and the return spring 136 pulls the limiting portion 1312 to be in clamping engagement with the limiting clamping groove 1353 again by the connecting rod 1311. When the holding portion 1310 needs to be rotated, a user needs to pull the holding portion 1310 away from the limiting clamping groove 1353 to separate the limiting portion 1312 from the limiting clamping groove 1353, at this time, the return spring 136 is in a compressed state, the movable handle 131 lacking the limiting portion can rotate, when the engaging member 133 is engaged with the other transmission section 167, the user releases the holding portion 1310, the return spring 136 can pull the limiting portion 1312 to move towards the limiting clamping groove 1353 through the connecting rod 1311 connected with the return spring 136 due to its elastic deformation capability, until the limiting portion 1312 is pulled into the limiting clamping groove 1353, so that the limiting portion 1312 and the limiting clamping groove 1353 complete clamping matching, and the operation of the user is simpler.
It should be noted that, at the same time, because the lower pressing plate 1352 is located between the upper pressing plate 1351 and the holding portion 1310, the holding portion 1310 is pulled by the return spring 136 through the connecting rod 1311 to move towards the limiting clamping groove 1353, so that the lower pressing plate 1352 is pulled to move towards the upper pressing plate 1351, and the reliability of the insertion between the upper pressing plate 1351 and the lower pressing plate 1352 is ensured.
According to an embodiment of the present invention, the edge of the notch of the limiting clamping groove 1353 is provided with a guiding surface for guiding the limiting portion 1312 to smoothly enter the limiting clamping groove 1353, so that the clamping and the mating with the limiting clamping groove 1353 can be easily performed.
As shown in fig. 7 and 8, a limiting member 1313 is disposed at an end of the connecting rod 1311 away from the holding portion 1310, a through hole 1357 is formed on the top surface of the housing 135 for the connecting rod 1311 to pass through, and an outer diameter of the limiting member 1313 is larger than an aperture of the through hole 1357. The limiting piece 1313 is arranged at one end of the connecting rod 1311 and used for limiting the moving stroke of the connecting rod 1311 relative to the shell 135, and therefore the phenomenon that the whole reversing mechanism 13 cannot normally operate due to the fact that a user pulls out the connecting rod 1311 from the transmission cam through misoperation is avoided. Wherein a limiting member 1313 with a diameter larger than that of the through hole 1357 is disposed at an end of the connecting rod 1311 penetrating out of the upper platen 1351, so as to prevent the end of the connecting rod 1311 from being pulled out of the upper platen 1351.
It should be noted that the limiting member 1313 may be a nut, the nut is in threaded connection with the connecting rod 1311, and the up-and-down movement stroke of the connecting rod 1311 may be adjusted by adjusting the screwing length of the nut and the connecting rod 1311; meanwhile, the nut can be replaced to adapt to the through holes 1357 with different sizes, so that the application range of the limiting piece 1313 is enlarged.
As shown in fig. 3 and 6, the two opposite side walls of the holding portion 1310 are provided with the lifting marks 137. Through all being provided with lift sign 137 in the front and back both sides of gripping portion 1310, be used for telling available user's movable handle 131 that moves left or right this moment can drive mounting bracket 11 and shelf 10 and rise or descend, provide the direction for the user, improve user's use experience.
As shown in fig. 1, 3, 4 and 6, the driving device 12 further includes a mounting base 15, the lifting mechanism 16 further includes a screw rod 161 and a transmission assembly 162, the mounting base 15 is mounted on the inner container 20, the screw rod 161 penetrates through the mounting base 15 and is in threaded connection with the mounting base 15, and the top of the screw rod 161 is abutted to the bottom of the mounting frame 11; the annular driving rack 14 is in transmission fit with the transmission assembly 162, and the movable handle 131 is pushed to translate along the transmission section 167, so that the screw rod 161 is driven to rotate through the annular driving rack 14 and the transmission assembly 162, and the mounting frame 11 and the shelf 10 are driven to ascend and descend relative to the mounting base 15. When the height of the shelf 10 and the mounting rack 11 needs to be adjusted, the movable handle is pushed leftwards or rightwards, the engaging member 133 drives the transmission section 167 engaged therewith to move, so that the transmission assembly 162 is driven by the transmission section 167 to drive the screw rod 161 to rotate relative to the mounting base 15. It should be noted that the transmission assembly 162 may be composed of a plurality of sprockets and a toothed belt wound around the periphery of the sprockets; or a plurality of gears and racks; or the device is composed of a synchronous wheel and a synchronous belt.
As shown in fig. 3 to 6, the mounting frame 11 is provided with a receiving groove 112 for receiving the transmission assembly 162, a notch of the receiving groove 112 faces upward, the shelf 10 covers the notch of the receiving groove 112, and the movable handle 131 passes through a groove bottom of the receiving groove 112 and is connected with the transmission assembly 162. The mounting frame 11 is provided with a receiving groove 112, so that the transmission assembly 162 can be installed in the receiving groove 112, and then the shelf 10 covers the receiving groove 112, so that the transmission assembly 162 is separated from the external environment, and the user is prevented from touching the transmission assembly 162 carelessly.
According to an embodiment of the present invention, the shelf 1 further comprises a cover plate 18, the cover plate 18 is covered and disposed above the notch of the receiving groove 112, the bottom surface of the shelf 10 abuts against the top surface of the cover plate 18, and the cover plate 18 is added to separate the transmission assembly 162 from the external environment and provide a reliable support for the shelf 10.
According to another embodiment of the present invention, the upper pressing plate 1351 is located above the notch of the receiving groove 112, a guide hole having a direction consistent with the extending direction of the transmission section 167 is formed at the bottom of the receiving groove 112, the upper pressing plate 1351 is in sliding fit with the guide hole, the upper pressing plate 1351 is inserted into the lower pressing plate 1352 through the guide hole, the top surface of the holding portion 1310 is configured to abut against the bottom surface of the lower pressing plate 1352, and the connecting rod 1311 sequentially passes through the lower pressing plate 1352, the bottom of the receiving groove 112, and the upper pressing plate 1351; it should be noted that, the number of the guide holes is shifted to be multiple, the multiple guide holes are arranged at intervals, the lower pressing plate 1352 and the connecting rod 1311 respectively pass through different guide holes, and the guide holes are favorable for guiding the movable handle 131 to move along the extending direction of the transmission section 167; the drive cam and engagement member 133 is positioned within the receiving slot 112 and the slot bottom of the receiving slot 112 is supported by the drive cam and engagement member 133 to provide a secure support for the drive cam and engagement member 133.
As shown in fig. 3 to 5, the transmission assembly 162 includes a second gear 1622 and a plurality of first gears 1621 disposed at intervals, the second gear 1622 is connected to the lead screw 161, the second gear 1622 is engaged with one of the first gears 1621, the annular driving rack 14 is annularly disposed around two of the first gears 1621 and engaged with the two first gears 1621, the movable handle 131 is pushed, so that the annular driving rack 14 drives the first gears 1621 and the second gears 1622 to rotate, and the lead screw 161 is driven to rotate relative to the mounting base 15. It should be noted that the first gear 1621 may be directly engaged with the second gear 1622 for transmission, and when the rotation centers of the first gear 1621 and the second gear 1622 are far apart, a transition wheel may be additionally provided, such that one side of the transition wheel is engaged with the first gear 1621, and the other side of the transition wheel is indirectly engaged with the second gear 1622; or a chain is additionally arranged, and the first gear 1621 can drive the second gear 1622 to rotate through the chain by enclosing the chain at the peripheries of the first gear 1621 and the second gear 1622. According to a preferred embodiment of the present invention, the first gear 1621 and the second gear 1622 are directly engaged, and the first gear 1621 is a spur gear, and the second gear 1622 is a spur gear having a stable gear ratio, thereby ensuring stability of the elevation or the descent of the mounting bracket 11 and the shelf 10.
Wherein, a plurality of first gears 1621 set up along the circumference interval of mounting bracket 11, elevating system 16 still including the ring locate a plurality of first gears 1621 periphery and with the driving rack 163 of each first gear 1621 meshing to drive the synchronous rotation of a plurality of first gears 1621 through driving rack 163, lead screw 161, mount pad 15 and second gear 1622 are a plurality ofly, each first gear 1621 all with a lead screw 161, mount pad 15 and second gear 1622 correspond the setting. Can drive a plurality of first gears 1621 synchronous rotations simultaneously through setting up driving rack 163 to second gear 1622 through with first gear 1621 meshing drives the synchronous rotation of lead screw 161, thereby accomplishes the lift to mounting bracket 11, sets up a plurality of lead screws 161 and provides reliable support to mounting bracket 11, prevents that mounting bracket 11 or shelf 10 from taking place to topple, influences the smooth and easy rotation of lead screw 161.
As shown in fig. 4 and 9, the first gear 1621 includes a first transmission portion 164, a second transmission portion 165, and a third transmission portion 166 sequentially arranged from top to bottom, the first transmission portion 164 is engaged with the transmission rack 163, the second transmission portion 165 is engaged with the second gear 1622, and the third transmission portion 166 is engaged with the annular driving rack 14, and by arranging the first transmission portion 164, the second transmission portion 165, and the third transmission portion 166, it can be ensured that the first gear 1621 is simultaneously engaged with the transmission rack 163, the second gear 1622, and the annular driving rack 14, and the transmission reliability is ensured.
In addition, the one end that the second gear 1622 was kept away from to lead screw 161 is provided with rotates the seat 168, should rotate the seat 168 and be connected with the mounting bracket 11 rotation, establishes through adding to rotate the seat 168 and be connected with the mounting bracket 11 rotation, and the mount pad 15 that deuterogamies carries out vertical direction location to lead screw 161 for lead screw 161 keeps vertical setting state, thereby makes lead screw 161 more smooth and easy when rotating relatively the seat 168.
As shown in fig. 1 and 2, two ends of the mounting frame 11, which are opposite to each other along the length direction of the shelf 10, protrude upward to form a limiting flange 111, and the limiting flange 111 abuts against the outer edge of the shelf 10. Carry out the location of left right direction to shelf 10 through setting up spacing hem 111, prevent that shelf 10 from appearing great rocking in the lift in-process, spacing hem 111 has realized the location to the left right direction of shelf 10 through comparatively simple structure.
According to an embodiment of the present invention, as shown in fig. 1 and 3, the shelf 1 of the refrigeration equipment 2 further includes a limiting protective edge 17, and the limiting protective edge 17 is wrapped around the outer edge of the long side of the shelf 10 to limit the shelf 10 from moving forward and backward relative to the mounting frame 11, so as to provide reliable positioning for the shelf 10, and prevent the shelf from sliding off the mounting frame 11 or shaking greatly compared with the mounting frame 11 during the process of lifting the mounting frame 11.
In addition, the invention also provides a refrigerating device 2, as shown in fig. 1, 4, 5 and 10, the refrigerating device 2 comprises an inner container 20 and the shelf 1 of the refrigerating device 2. The mounting seat 15 is detachably connected with the inner wall of the inner container 20. Since the refrigeration device 2 adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here. It should be noted that the inner container 20 is provided with an opening, and the reversing mechanism 13 is disposed close to the opening, so as to facilitate the user to move the movable handle 131.
According to an embodiment of the present invention, a fixing table that is in snap fit with the mounting seat 15 is disposed on an inner wall of the inner container 20, a limiting hole is disposed on the fixing table, a positioning pin is disposed on the mounting seat 15, and the positioning pin is matched with the limiting hole to assist in positioning the mounting seat 15; according to a preferred embodiment of the present invention, the number of the limiting holes is two, the two limiting holes are arranged at intervals, and the positioning pins and the limiting holes are arranged in a one-to-one correspondence, which is more beneficial to positioning the auxiliary mounting seat 15.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (15)
1. The utility model provides a refrigeration plant's shelf, refrigeration plant includes the inner bag, the shelf is located in the inner bag, its characterized in that includes:
a shelf;
the shelf is arranged on the top of the mounting rack;
the driving device comprises a reversing mechanism, a lifting mechanism connected with the mounting frame and an annular driving rack wound on the periphery of the lifting mechanism and in transmission fit with the lifting mechanism, the annular driving rack comprises two transmission sections connected end to end, the reversing mechanism comprises a movable handle, an engaging piece and a transmission piece connected with the movable handle, and the engaging piece and the transmission piece are positioned between the two transmission sections;
the meshing piece is meshed with one transmission section, the movable handle is rotated, so that the meshing piece is driven to move between the two transmission sections through the transmission piece, and the meshing piece is switched to be meshed with the other transmission section; and pushing the movable handle to translate along the transmission section so as to drive the mounting rack to lift through the annular driving rack and the lifting mechanism.
2. The shelf of a refrigerating apparatus as claimed in claim 1, wherein the transmission member is a transmission cam, the engaging member is provided with a toothed section for engaging with the transmission section on both sides of the two transmission sections, the mounting bracket is supported on the engaging member and slidably engages with the engaging member, the engaging member is formed with a receiving cavity for receiving the transmission cam, the movable handle penetrates through a bottom wall of the receiving cavity and is connected with the transmission cam, and the movable handle rotates to enable a flange of the transmission cam to drive the engaging member to move between the two transmission sections.
3. The shelf of the refrigeration equipment as claimed in claim 2, wherein the reversing mechanism further comprises a housing, the housing is covered on the periphery of the transmission cam and the meshing part, the housing is in sliding fit with the mounting rack, the movable handle sequentially penetrates through the bottom surface of the housing and the bottom wall of the containing cavity and is connected with the transmission cam, a limiting clamping groove is formed in the bottom surface of the housing, and the movable handle is used for being in clamping fit with the limiting clamping groove.
4. The shelf of a refrigeration device as set forth in claim 3, wherein the housing comprises an upper pressing plate and a lower pressing plate, the limiting clamping groove is formed in the bottom surface of the lower pressing plate, a limiting groove is formed in the top surface of the lower pressing plate, the upper pressing plate is in sliding fit with the mounting rack, a limiting boss is formed by protruding the bottom surface of the upper pressing plate towards the lower pressing plate, and the limiting boss is in insertion fit with the limiting groove.
5. The shelf of a refrigerating apparatus as set forth in claim 4, wherein a bottom surface of the upper platen is provided with a limit stopper, and a side of the limit stopper facing the engaging member is adapted to abut against the engaging member.
6. The shelf of a refrigerating device as recited in claim 3, wherein the movable handle comprises a holding portion, a connecting rod connected with the top surface of the holding portion, and a limiting portion, the connecting rod sequentially penetrates through the bottom surface of the housing and the bottom wall of the accommodating cavity and is connected with the transmission cam, and the limiting portion is in clamping fit with the limiting clamping groove.
7. The shelf of the refrigeration equipment as set forth in claim 6, wherein the reversing mechanism further comprises a return spring, one end of the return spring is connected with one end of the connecting rod away from the holding portion, the other end of the return spring abuts against the top surface of the housing, the holding portion is pulled to separate the limiting portion from the limiting clamping groove, the return spring is driven by the connecting rod to compress, the holding portion is rotated to enable the meshing piece to be switched to be meshed with the other transmission section, and the return spring pulls the limiting portion to be in clamping fit with the limiting clamping groove again through the connecting rod.
8. The shelf of claim 6, wherein a limiting member is disposed at an end of the connecting rod away from the holding portion, a through hole for the connecting rod to pass through is formed in a top surface of the housing, and an outer diameter of the limiting member is larger than an aperture of the through hole.
9. The shelf of refrigeration equipment as claimed in claim 6, wherein the two opposite side walls of the holding part are provided with lifting marks.
10. The shelf of refrigeration equipment according to any one of claims 1 to 9, wherein the driving device further comprises an installation base, the lifting mechanism further comprises a lead screw and a transmission assembly, the installation base is installed on the liner, the lead screw penetrates through the installation base and is in threaded connection with the installation base, and the top of the lead screw is abutted against the bottom of the installation frame; the annular driving rack is in transmission fit with the transmission assembly, the movable handle is pushed to move horizontally along the transmission section, and the screw rod is driven to rotate through the annular driving rack and the transmission assembly, so that the mounting rack is driven, and the shelf is driven to be opposite to the mounting base to lift.
11. The shelf of claim 10, wherein the mounting bracket defines a receiving slot for receiving the drive assembly, the receiving slot having a notch facing upward, the shelf covering the notch of the receiving slot, and the movable handle passing through a bottom of the receiving slot and being connected to the drive assembly.
12. The shelf of a refrigeration device as set forth in claim 11 wherein the transmission assembly includes a second gear and a plurality of first gears spaced apart from each other, the second gear is connected to the screw rod, the second gear is engaged with one of the first gears, the annular driving rack is disposed around two of the first gears and engaged with the two first gears, the movable handle is pushed, so that the annular driving rack drives each of the first gears and the second gear to rotate, and further drives the screw rod to rotate relative to the mounting base.
13. The shelf of a refrigerating apparatus as recited in claim 12, wherein a plurality of the first gears are disposed at intervals along a circumferential direction of the mounting bracket, the lifting mechanism further includes a transmission rack annularly disposed around the plurality of the first gears and engaged with each of the first gears, so as to drive the plurality of the first gears to rotate synchronously via the transmission rack, the screw rod, the mounting seat and the second gear are all plural, and each of the first gears corresponds to one of the screw rod, the mounting seat and the second gear.
14. The shelf of the refrigeration equipment as claimed in any one of claims 1 to 9, wherein two opposite ends of the mounting rack in the length direction of the shelf are protruded upwards to form limiting flanges, and the limiting flanges are abutted against the outer edge of the shelf.
15. Refrigeration equipment, characterized in that the refrigeration equipment comprises a liner and a shelf of the refrigeration equipment as claimed in any one of claims 1 to 14.
Priority Applications (1)
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CN202210860110.XA CN115077185B (en) | 2022-07-22 | 2022-07-22 | Refrigeration equipment and shelf thereof |
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CN202210860110.XA CN115077185B (en) | 2022-07-22 | 2022-07-22 | Refrigeration equipment and shelf thereof |
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CN115077185B true CN115077185B (en) | 2022-11-01 |
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CN202210860110.XA Active CN115077185B (en) | 2022-07-22 | 2022-07-22 | Refrigeration equipment and shelf thereof |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001050648A (en) * | 1999-08-05 | 2001-02-23 | Mitsubishi Electric Corp | Refrigerator |
CN102209872A (en) * | 2008-11-11 | 2011-10-05 | Bsh博世和西门子家用电器有限公司 | Refrigeration device having adjustable-height refrigerated goods placement |
CN207907577U (en) * | 2017-12-06 | 2018-09-25 | 青岛彭大电器有限公司 | A kind of layer frame apparatus for automatically lifting and refrigerator |
WO2020018052A2 (en) * | 2018-07-13 | 2020-01-23 | Arcelik Anonim Sirketi | Shelf height adjustment mechanism |
CN111457665A (en) * | 2020-05-06 | 2020-07-28 | 长虹美菱股份有限公司 | Circulating lifting device for refrigerator partition frame |
-
2022
- 2022-07-22 CN CN202210860110.XA patent/CN115077185B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001050648A (en) * | 1999-08-05 | 2001-02-23 | Mitsubishi Electric Corp | Refrigerator |
CN102209872A (en) * | 2008-11-11 | 2011-10-05 | Bsh博世和西门子家用电器有限公司 | Refrigeration device having adjustable-height refrigerated goods placement |
CN207907577U (en) * | 2017-12-06 | 2018-09-25 | 青岛彭大电器有限公司 | A kind of layer frame apparatus for automatically lifting and refrigerator |
WO2020018052A2 (en) * | 2018-07-13 | 2020-01-23 | Arcelik Anonim Sirketi | Shelf height adjustment mechanism |
CN111457665A (en) * | 2020-05-06 | 2020-07-28 | 长虹美菱股份有限公司 | Circulating lifting device for refrigerator partition frame |
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CN115077185A (en) | 2022-09-20 |
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