CN103375962A

CN103375962A - Refrigerator shelf assembly and refrigerator

Info

Publication number: CN103375962A
Application number: CN2012101058852A
Authority: CN
Inventors: 刘文亮; 杨洪永
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2012-04-11
Filing date: 2012-04-11
Publication date: 2013-10-30
Anticipated expiration: 2032-04-11
Also published as: CN103375962B

Abstract

The invention discloses a refrigerator shelf component which comprises a base, a movable shelf and a lifting mechanism, wherein the movable shelf is arranged on the base in a way of being capable of ascending and descending up and down, the lifting mechanism comprises two pairs of first track sliding grooves and two pairs of gear rods, the two pairs of first track sliding grooves are respectively arranged on two side faces of the base in a first direction and extend in a second direction perpendicular to the first direction, the two pairs of gear rods are respectively arranged on two sides of the movable shelf in the first direction, first sliding parts are respectively arranged at the lower ends of each pair of gear rods, the first sliding parts of each pair of gear rods are respectively positioned in the corresponding pair of first track sliding grooves, the upper ends of each pair of gear rods are provided with mutually meshed teeth, and the upper ends of each pair of gear rods are rotatably connected with the movable shelf. The refrigerator shelf component provided by the invention can effectively adjust the height of the movable shelf, and is convenient to adjust; moreover, the gear pair has good self-locking efficiency and can prevent tripping. Meanwhile, the invention also discloses a refrigerator using the movable shelf of the refrigerator.

Description

Refrigerator rack component and refrigerator

Technical field

The present invention relates to refrigerator, in particular for the refrigerator rack component of placement chilled goods, and the refrigerator that uses this rack assembly.

Background technology

At present, the refrigerator shelf on the market roughly has following three types:

1, unadjustable formula shelf.When the space below the shelf is large not, the thing on the shelf must be taken out again shelf is lifted down and put on the superincumbent support, again thing is put up, use like this to the user and brought a lot of inconvenience and trouble.

2, adjustable shelf.Be placed on after two parts before and after this kind shelf is divided into, forward part shelf are regulated the rear section shelf below, folding leaning against on the rear wall of refrigerator then.This mode can be regulated certain space for the shelf below, but the limited space of regulating, and can not lifting.Or with the forward part shelf be placed on the rear section shelf below, folding leaning against on the rear wall then, this shelf can be the shelf below and regulates certain space, but can not effectively utilize the effect of shelf.

3, Liftable type shelf.Existing Liftable type shelf mainly is comprised of bracing frame, mobile shelving and elevating mechanism, and elevating mechanism comprises the X-shaped bracing frame that is separately positioned on the mobile shelving left and right sides.Although this kind shelf can be regulated the up and down distance between the rack,, it exists adjusting highly limited, regulates inconvenience, the defective of poor reliability.

Summary of the invention

First technical problem to be solved by this invention is, a kind of refrigerator rack component is provided, and it can effectively regulate the height of mobile shelving, and easy to adjust, good stability.

Second technical problem to be solved by this invention is, a kind of refrigerator that uses above-mentioned refrigerator mobile shelving is provided.

The technical scheme that the present invention solves above-mentioned first technical problem employing is: a kind of refrigerator rack component, and it comprises base, mobile shelving and elevating mechanism, described mobile shelving can be arranged on to oscilaltion on the described base; Described elevating mechanism comprises two pairs of the first track runners and two pairs of racks, two pairs of the first track runners are separately positioned on the two sides on the described base first direction and extend along the second direction vertical with first direction, the two pairs of racks are separately positioned on the both sides on the described mobile shelving first direction, be provided with the first slide unit in the lower end of every pair of rack, the first slide unit of every pair of rack lays respectively in corresponding a pair of described the first track runner and can slide along it, the upper end of every pair of rack is provided with intermeshing tooth, and the upper end of every pair of rack is connected rotationally with described mobile shelving.

Therein among embodiment, described elevating mechanism also comprises two pairs of the second track runners and two pairs of connecting rods, two pairs of the second track runners are separately positioned on the two sides on the described mobile shelving first direction and extend along described second direction, the two pairs of connecting rods are separately positioned on the both sides on the described mobile shelving first direction, the first end of every pair of connecting rod is hinged with the middle part of corresponding a pair of described rack respectively, the second end of every pair of connecting rod is provided with the second slide unit, and the second slide unit of every pair of connecting rod lays respectively in corresponding a pair of described the second track runner and can slide along it.

Among embodiment, described elevating mechanism also comprises a synchronizing bar that extends along described first direction therein, and the two ends of this synchronizing bar are connected with the upper end of a rack in two pairs of described racks respectively.

Therein among embodiment, described refrigerator rack component also comprises locking mechanism, two described the first slide units of this locking mechanism and a pair of described rack wherein or wherein two described the second slide units of a pair of described connecting rod be connected, be used for limiting the spacing between two described the first slide units or two described the second slide units.

Therein among embodiment, described locking mechanism comprises along described the second direction securing rod that extends and two locking axle sleeves that are sleeved on this securing rod, the cross section of described securing rod is oval, be provided with external screw thread at this securing rod, and the end at this securing rod is provided with shifting block, the cross section of the axis hole of described locking axle sleeve is oval, and the axis hole of this locking axle sleeve is provided with the internal thread that is complementary with described external screw thread, and these two locking axle sleeves are connected with two described the first slide units or two described the second slide units respectively.

Among embodiment, the internal thread that the external screw thread on the described securing rod and described lock shaft put is angular thread therein.

Among embodiment, described locking mechanism also comprises be used to the back-moving spring that described securing rod is resetted therein.

Therein among embodiment, described base comprises two side frames that are oppositely arranged on the described first direction, described mobile shelving is arranged between these two side frames, is provided with the first side plate at these two side frames, is provided with described the first track runner at this first side plate.

Among embodiment, be provided with positive stop lug boss in the inboard of two described side frames therein, described mobile shelving is positioned at the top of this positive stop lug boss.

Therein among embodiment, described mobile shelving comprises Partition board frame and the shelf that is installed on this Partition board frame, this Partition board frame comprises two the second side plates that are oppositely arranged on the described first direction, is provided with described the second track runner at this second side plate.

Among embodiment, the upper end of two described the second side plates is provided with the extension that extends laterally therein, and this extension stretches in the corresponding described side frame.

The technical scheme that the present invention solves above-mentioned first technical problem employing is: a kind of refrigerator, it comprises above-mentioned refrigerator rack component.

Adopt refrigerator rack component provided by the present invention, when the user need to regulate shelves high, dragging mobile shelving with hand moves up or down, drive two pairs of racks upper end simultaneously counterclockwise or clockwise rotate, the first slide unit of rack lower end then slides in the first track runner, thereby realize finally realizing the adjusting of mobile shelving height by the height of the variation control mobile shelving of control gear bar angle.Compared with prior art, advantage of the present invention is:

Refrigerator rack component provided by the present invention can effectively be regulated the height of mobile shelving, and is easy to adjust; And the excellent in efficiency of gear pair self-locking can prevent from threading off, and cooperating between mobile shelving and the base is more stable.

Description of drawings

Fig. 1 is the schematic perspective view that the refrigerator rack component among one of them embodiment of the present invention is seen from top to bottom;

Fig. 2 is the side view of refrigerator rack component shown in Figure 1;

Fig. 3 is the schematic perspective view that refrigerator rack component shown in Figure 1 is seen from the bottom up;

Fig. 4 is the explosive view of refrigerator rack component shown in Figure 1.

Description of reference numerals: 1-base; The 11-side frame; 111-the first side plate; 111a-the first track runner; The 112-positive stop lug boss; The 2-mobile shelving; The 21-Partition board frame; 211-the second side plate; 211a-the second track runner; The 211b-extension; The 211c-bearing; The 22-shelf; The 31-rack; 311-the first slide unit; The 312-tooth; The 313-rotating shaft; The 32-connecting rod; The 321-jointed shaft; The 322-pad; 323-the second slide unit; The 4-synchronizing bar; The 51-securing rod; The 51a-external screw thread; 52-locks axle sleeve; The 521-axis hole; The 521a-internal thread; 522-the second slide unit; The 53-shifting block; The 54-spring.

The specific embodiment

Below in conjunction with accompanying drawing embodiments of the invention are elaborated:

Referring to Fig. 1 to Fig. 4, the refrigerator rack component among one of them embodiment of the present invention mainly is comprised of base 1, mobile shelving 2 and elevating mechanism, and mobile shelving 2 can be arranged on the base 1 to oscilaltion, and regulates its height by elevating mechanism.For convenience of description, take the refrigerator left and right directions of giving a definition as first direction (being the directions X among Fig. 1), the direction vertical with first direction is second direction (being the Y-direction among Fig. 1) in the horizontal plane.

Base 1 is used for movable support shelf 2 and elevating mechanism is installed.Base 1 is the cuboid frame structure, it comprises two side frames 11 that are oppositely arranged on the first direction, be provided with the first side plate 111 at these two side frames 11, offer two the first track runner 111a that extend along described second direction at this first side plate 111.Preferably, be provided with positive stop lug boss 112 in the inboard of two side frames 11, by 112 pairs of mobile shelvings 2 of positive stop lug boss move downward carry out spacing.

Mobile shelving 2 is used for placing chilled goods, and it is installed between two side frames 11 of base 1.Mobile shelving 2 is made of rectangular clapboard framework 21 and the shelf 22 that is installed on this Partition board frame 21, Partition board frame 21 comprises two the second side plates 211 that are oppositely arranged on the first direction, is provided with two the second track runner 211a and two axis holes that extend along second direction at this second side plate 211.Preferably, the upper end of two the second side plates 211 is provided with the extension 211b that extends laterally, and this extension 211b stretches in the corresponding side frame 11.Extension 211b can play position-limiting action in mobile shelving 2 oscilaltion processes, make mobile shelving 2 Stable slidings.

The elevating mechanism of present embodiment mainly is made of two pairs of racks 31, two pairs of connecting rods 32 and a synchronizing bar 4, the two pairs of racks 31 are separately positioned on the both sides on mobile shelving 2 first directions, the lower end of two pairs of racks 31 is provided with the first slide unit 311, the first slide unit 311 of every pair of rack 31 lays respectively in corresponding a pair of described the first track runner 111a and can slide along it, and the upper end of every pair of rack 31 is provided with intermeshing tooth 312.The upper end of a rack 31 in the every pair of rack 31 is provided with rotating shaft 313, and this rack 31 is assemblied in the axis hole on the second side plate 211 rotationally by this rotating shaft 313, and the upper end of another root rack 31 is provided with axis hole.The two pairs of connecting rods 32 are separately positioned on the both sides on mobile shelving 2 first directions, the first end of every pair of connecting rod 32 is hinged with the middle part of corresponding a pair of rack 31 respectively by jointed shaft 321 and pad 322, the second end of every pair of connecting rod 32 is provided with the second slide unit 323 that matches with described the second track runner 211a, and these two the second slide units 323 lay respectively in two described the second track runner 211a.Synchronizing bar 4 extends along described first direction, and two axis holes on the second side plate 211 are passed at the two ends of this synchronizing bar 4, and is connected with the axis hole of rack 31 upper ends in two pairs of racks 31 respectively, and the rack 31 of both sides is rotated synchronously.

Preferably, refrigerator rack component also is provided be used to making mobile shelving 2 be locked in the locking mechanism of certain altitude, it comprises along described the second direction securing rod 51 that extends and two locking axle sleeves 52 that are sleeved on this securing rod 51, the cross section of securing rod 51 is oval, be provided with external screw thread 51a at this securing rod 51, and the rear end of this securing rod 51 is supported on the bearing 211c rotationally, and front end is provided with shifting block 53.The cross section of the axis hole 521 of locking axle sleeve 52 is oval, and the axis hole 521 of this locking axle sleeve 52 is provided with the internal thread 521a that is complementary with external screw thread 51a, and these two locking axle sleeves 52 are connected as a single entity with two described the second slide units 323 of mobile shelving 2 one sides respectively.Stir shifting block 53 with securing rod 51 rotations 45 degree, two locking axle sleeves 52 can not slide at securing rod 51, two spacings between described the second slide unit 323 can not be changed, thereby locked the height of mobile shelving 2.Described locking mechanism also comprises be used to the back-moving spring 54 that described securing rod 51 is resetted.

The operation principle of the refrigerator rack component of present embodiment is as follows:

The height that need to regulate mobile shelving 2 as the user makes, dragging mobile shelving 2 with hand moves up or down, two pairs of racks 31 that mobile shelving 2 drives mobile shelvings 2 both sides simultaneously counterclockwise or clockwise rotate, slide among the first track runner 111a of the first slide unit 311 of rack 31 lower ends on base 1, when mobile shelving 2 during in ideal height, rotation lock fixed pole 51 makes mobile shelving 2 be locked in certain height.The rack 31 of homonymy cooperates rack 31 angles clockwise or that rotate counterclockwise that guarantee homonymy identical by gear pair, and the rack 31 of both sides guarantees that by synchronizing bar 4 driving torques the rack 31 of mobile shelving 2 both sides rotates synchronously.

This shows that the refrigerator rack component of present embodiment can effectively be regulated mobile shelving 2 and shelf 22 height by the height of the variation control mobile shelving 2 of control gear bar 31 angles, and is easy to adjust; And the excellent in efficiency of gear pair self-locking can prevent from threading off, and cooperating between mobile shelving and the base is more stable.

Be specific embodiments of the invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.

Claims

1. A refrigerator shelf assembly, which includes a base, a movable shelf and a lifting mechanism, and the movable shelf can be arranged on the base up and down; it is characterized in that: the lifting mechanism includes two pairs of first rails chute and two pairs of gear rods, two pairs of first track chute are respectively arranged on both sides of the base in the first direction and extend along the second direction perpendicular to the first direction in the horizontal plane, and the two pairs of gear rods are respectively On both sides of the movable shelf in the first direction, a first sliding part is provided at the lower end of each pair of gear rods, and the first sliding parts of each pair of gear rods are respectively located on the corresponding pair of the first rails The upper ends of each pair of gear rods are provided with mutually meshing teeth, and the upper ends of each pair of gear rods are rotatably connected with the movable shelf.

2. The refrigerator shelf assembly according to claim 1, wherein the lifting mechanism further comprises two pairs of second track chutes and two pairs of connecting rods, and the two pairs of second track chutes are respectively arranged on the movable On both sides of the shelf in the first direction and extending along the second direction, two pairs of connecting rods are respectively arranged on both sides of the movable shelf in the first direction, and the first ends of each pair of connecting rods are respectively connected to the corresponding The middle part of a pair of gear rods is hinged, and the second end of each pair of connecting rods is provided with a second sliding part, and the second sliding parts of each pair of connecting rods are respectively located in a corresponding pair of said second track runners and to slide along.

3. The refrigerator shelf assembly according to claim 2, wherein the lifting mechanism further comprises a synchronous rod extending along the first direction, the two ends of the synchronous rod are respectively connected with the two pairs of the gears The upper end of one of the gear rods in the rods is connected.

4. The refrigerator shelf assembly according to claim 2, further comprising a locking mechanism, the locking mechanism is connected to the two first sliding parts of one pair of said gear rods or one of said pair of said connecting parts. The two second sliding parts of the rod are connected to define the distance between the two first sliding parts or the two second sliding parts.

5. The refrigerator shelf assembly according to claim 4, wherein the locking mechanism comprises a locking rod extending along the second direction and two locking bushes sleeved on the locking rod, the locking The cross-section of the rod is elliptical, and an external thread is provided on the locking rod, and a shift block is provided at one end of the locking rod. The cross-section of the shaft hole of the locking sleeve is elliptical, and the locking sleeve The shaft hole is provided with an internal thread matching the external thread, and the two locking sleeves are respectively connected with the two first sliding parts or the two second sliding parts.

6. The refrigerator shelf assembly according to claim 5, characterized in that: the external thread on the locking rod and the internal thread on the locking sleeve are triangular threads.

7. The refrigerator shelf assembly according to claim 5, wherein the locking mechanism further comprises a return spring for restoring the locking bar.

8. The refrigerator shelf assembly according to any one of claims 2 to 8, wherein the base includes two side frames oppositely arranged in the first direction, and the movable shelf is arranged on the side frames Between the two side frames, a first side plate is arranged on the two side frames, and the first rail slide groove is arranged on the first side plate.

9 . The refrigerator shelf assembly according to claim 8 , wherein a limiting protrusion is provided on the inner side of the two side frames, and the movable shelf is located above the limiting protrusion. 10 .

10. The refrigerator shelf assembly according to claim 8, wherein the movable shelf comprises a partition frame and a shelf mounted on the partition frame, and the partition frame includes two oppositely arranged The second side plate in the first direction is provided with the second rail slide groove on the second side plate.

11. The refrigerator shelf assembly according to claim 10, characterized in that: the upper ends of the two second side panels are provided with protruding parts extending outward, and the protruding parts protrude into the corresponding side panels. within the border.

12. A refrigerator, characterized by comprising the refrigerator shelf assembly according to any one of claims 1 to 11.