CN114687631B

CN114687631B - Lower hinge for refrigerator fixed door

Info

Publication number: CN114687631B
Application number: CN202210287984.0A
Authority: CN
Inventors: 李世英; 陈庆晓; 葛建伟
Original assignee: Zhejiang Xingxing Refrigeration Co Ltd
Current assignee: Zhejiang Xingxing Refrigeration Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2023-04-07
Anticipated expiration: 2042-03-22
Also published as: CN114687631A

Abstract

The invention discloses a lower hinge for a refrigerator fixed door body, which belongs to the technical field of refrigerator fixed door bodies, the conventional lower hinge is fixedly connected with a refrigerator door by using bolts, when the refrigerator door drops, a gap is formed between the refrigerator door and a refrigerator body, so that the sealing effect of the refrigerator is poor, and the lower hinge is difficult to adjust and reset; and adjusting any one of the screw sleeves to enable the limit baffle to drive one corner of the adjusting plate to move up and down, adjusting the distance between the box door and the box body, adjusting two screw sleeves at any one end of the adjusting plate to enable one end of the box door to be adjusted up and down, rotating the worm to drive the worm wheel and the screw rod to rotate, enabling the two screw sleeves to move reversely, and increasing the amplitude of the box door to be adjusted.

Description

Lower hinge for refrigerator fixed door body

Technical Field

The invention relates to the technical field of refrigerator fixed door bodies, in particular to a lower hinge for a refrigerator fixed door body.

Background

The hinge carries out to rotate with the refrigerator box articulated under refrigerator fixed door body normal use when the installation, and the mounting means in the past is direct through simple and easy lower hinge, then uses the bolt to carry out fixed connection, leads to when user's later stage uses, and the chamber door tenesmus often appears, perhaps when frequently opening the chamber door, leads to chamber door and box to appear the gap, makes sealed effect worsen, and the hinge means in the past is difficult to adjust, and we propose a lower hinge that is used for refrigerator fixed door body for this reason and are used for solving above-mentioned problem.

Disclosure of Invention

The invention aims to provide a lower hinge for a fixed door body of a refrigerator, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lower hinge for refrigerator fixed door body, includes the lower hinge body, the connecting plate is installed to lower hinge body bottom surface, sliding mounting has four adjustment mechanism down in the hinge body and the connecting plate, adjustment mechanism upper end sliding connection has the regulating plate, regulating plate quantity is two, hinge body upper surface is located down to the regulating plate, adjustment mechanism is last to rotate and has cup jointed roll adjustment mechanism, regulating plate both ends fixedly connected with buffering subassembly, buffering subassembly upper end fixedly connected with chamber door, the lower hinge body and chamber door swing joint, the one end side sliding connection of regulating plate has the anticreep subassembly, anticreep subassembly joint has the installation piece, surface fixed connection chamber door on the installation piece.

As a preferred technical scheme of the present invention, the lower hinge body is V-shaped, two circular grooves are formed in the surface of the lower hinge body, a rotating shaft is rotatably clamped in one circular groove, two first adjusting grooves and two second adjusting grooves are formed in the surface of the lower hinge body, adjusting mechanisms are slidably connected in the first adjusting grooves and the second adjusting grooves, two strip-shaped edges are fixedly disposed on the upper surface of the lower hinge body, and the upper ends of the strip-shaped edges are movably inserted into the bottom surface of the box door.

As a preferred technical scheme of the invention, the bottom surface of the box door is provided with two mounting grooves, strip-shaped edges are movably inserted in the mounting grooves, the bottom surface of the box door is provided with a plurality of screw holes, and the screw holes are internally threaded and connected with the buffer component.

As a preferable technical scheme of the invention, the connecting plate is trapezoidal, two first strip-shaped grooves and two second strip-shaped grooves are formed in the surface of the connecting plate, and the first strip-shaped grooves and the second strip-shaped grooves are in sliding connection with the adjusting mechanism.

As a preferred technical scheme of the invention, the adjusting mechanism comprises four screw sleeves, wherein the outer surfaces of the screw sleeves are provided with annular grooves, the annular grooves are internally and rotatably sleeved with the distance adjusting mechanism, the screw sleeves are in threaded connection with studs, two studs movably penetrate through the first strip-shaped groove and the first adjusting groove, the other two studs movably penetrate through the second strip-shaped groove and the second adjusting groove, the upper ends of the studs are fixedly provided with limit baffles, and the limit baffles are in sliding connection with the adjusting plate.

According to a preferable technical scheme, the distance adjusting mechanism comprises two guide rails, a convex guide groove is formed in the bottom surface of each guide rail, two sliding strips are connected in the convex guide groove in a sliding mode, a screw rod is connected with the two sliding strips in an internal thread mode, an elastic plate is fixedly connected with one end of each sliding strip, an annular sleeve is fixedly connected with one end of each elastic plate, the annular sleeve is rotatably sleeved in an annular groove, a worm wheel is fixedly arranged on each screw rod, the worm wheel is connected with a worm in a meshed mode, the worm is connected with an installation seat in a rotating mode, and the upper surface of the installation seat is fixedly connected with the bottom surface of each guide rail.

According to a preferable technical scheme of the invention, a second convex sliding groove is formed in the bottom surface of the adjusting plate, a limiting baffle is connected in the second convex sliding groove in a sliding mode, and the upper surface of the adjusting plate is attached to the bottom surface of the box door.

As a preferred technical scheme, the two side surfaces of the mounting block are fixedly provided with fixing shafts, and one ends of the fixing shafts are connected with the anti-falling assembly in a clamping mode.

According to a preferable technical scheme of the invention, the anti-falling assembly comprises two L-shaped fixed blocks, the upper surfaces of the L-shaped fixed blocks are fixedly connected with the bottom surface of the box door, the L-shaped fixed blocks are provided with arc-shaped clamping grooves, fixed shafts are clamped in the arc-shaped clamping grooves, the side surfaces of the L-shaped fixed blocks are provided with first convex sliding grooves, convex sliding blocks are connected in the first convex sliding grooves in a sliding mode, first springs are fixedly arranged between the upper surfaces of the convex sliding blocks and the inner walls of the first convex sliding grooves, and the side surfaces of the convex sliding blocks are fixedly connected with adjusting plates.

As a preferred technical scheme of the invention, the buffer assembly comprises an upper plate, a plurality of bolts penetrate through the upper plate through threads, the upper ends of the bolts are connected in the threaded holes through the threads, the number of the upper plates is four, the four upper plates are respectively arranged at two ends of two adjusting plates, a plurality of second springs are fixedly arranged on the bottom surface of each upper plate, the bottom ends of the second springs are fixedly connected with a lower plate, and the lower plates are fixedly connected with the end surfaces of the adjusting plates.

Compared with the prior art, the invention has the beneficial effects that:

1. the lower hinge body can be rotatably arranged on the box body through the rotating shaft, the lower hinge body supports the adjusting plate through the limiting baffle plates of the four studs, then the box door is fixedly arranged through the second spring and the upper plate, and meanwhile, the adjusting plate is in sliding connection with the L-shaped fixing block, so that the box door can be prevented from falling through the first spring;

2. and adjusting any one of the screw sleeves to enable the limit baffle to drive one corner of the adjusting plate to move up and down, adjusting the distance between the box door and the box body, adjusting two screw sleeves at any one end of the adjusting plate to enable one end of the box door to be adjusted up and down, rotating the worm to drive the worm wheel and the screw rod to rotate, enabling the two screw sleeves to move reversely, and increasing the amplitude of the box door to be adjusted.

Drawings

FIG. 1 is a schematic structural view of the present invention,

figure 2 is a schematic view of a structural door of the present invention,

figure 3 is a schematic view of the installation of the structural adjustment plate of the present invention,

figure 4 is a schematic view of the lower hinge body of the structure of the present invention,

FIG. 5 is a schematic view of a structural cushioning member of the present invention,

figure 6 is a schematic view of a structural connecting plate of the present invention,

FIG. 7 is a schematic view of the structural anti-separation assembly of the present invention,

figure 8 is a schematic view of the structural adjustment mechanism of the present invention,

FIG. 9 is a schematic view of the present invention,

FIG. 10 is an enlarged view of the point A in FIG. 9.

In the figure: 1. a lower hinge body; 11. a strip-shaped edge; 12. a circular groove; 13. a rotating shaft; 14. a first regulating groove; 15. a second regulating groove; 2. a box door; 21. mounting grooves; 22. a screw hole; 3. a connecting plate; 31. a first bar-shaped groove; 32. a second strip groove; 4. an adjustment mechanism; 41. a threaded sleeve; 411. an annular groove; 42. a stud; 43. a limit baffle; 5. a distance adjusting mechanism; 51. a guide rail; 511. a convex channel guide; 53. a slide bar; 54. an elastic plate; 55. an annular sleeve; 56. a screw rod; 57. a mounting base; 58. a worm; 59. a worm gear; 6. an anti-drop component; 61. an L-shaped fixed block; 62. an arc-shaped clamping groove; 63. a first convex chute; 64. a male slider; 65. a first spring; 7. mounting blocks; 71. a fixed shaft; 8. an adjusting plate; 81. a second convex chute; 9. a buffer assembly; 91. an upper plate; 92. a bolt; 93. a second spring; 94. a lower plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1 to 10, the invention provides a lower hinge for a refrigerator fixed door body, which comprises a lower hinge body 1, wherein a connecting plate 3 is installed on the bottom surface of the lower hinge body 1, four adjusting mechanisms 4 are slidably installed in the lower hinge body 1 and the connecting plate 3, the connecting plate 3 is used for installing the adjusting mechanisms 4, the upper ends of the adjusting mechanisms 4 in a group of two adjusting mechanisms are slidably connected with two adjusting plates 8, the adjusting plates 8 are arranged on the upper surface of the lower hinge body 1, the adjusting mechanisms 4 are rotatably sleeved with distance adjusting mechanisms 5, the adjusting plates 8 are moved through the adjusting mechanisms 4 and the distance adjusting mechanisms 5, the two ends of each adjusting plate 8 are fixedly connected with a buffer assembly 9, the upper ends of the buffer assemblies 9 are fixedly connected with a refrigerator door 2, when the adjusting plates 8 are moved, the refrigerator door 2 is adjusted through the buffer assemblies 9, the lower hinge body 1 is movably connected with the refrigerator door 2, one end side surface of each adjusting plate 8 is slidably connected with an anti-falling assembly 6, the anti-falling assembly 6 is clamped with an installation block 7, and the upper surface of the installation block 7 is fixedly connected with the refrigerator door 2, so that the adjusting plate 8 is supported by the hinge body 1, and then the anti-falling of the buffer assembly 2 is supported by the buffer assembly 9.

Further, lower hinge body 1 is the V-arrangement, two circular slots 12, one have been seted up on lower hinge body 1 surface circular slot 12 internal rotation joint has pivot 13 to lower hinge body 1 can rotate through pivot 13 and install on the box, two first adjustment tank 14 and two second adjustment tank 15 have been seted up on lower hinge body 1 surface, sliding connection adjustment mechanism 4 in first adjustment tank 14 and the

second adjustment tank

15, 1 fixed surface of lower hinge body is equipped with two

bar limits

11, 2 bottom surfaces of bar limit 11 upper end activity grafting chamber door, thereby lower hinge body 1 and chamber door 2 can be convenient for install.

Further, two mounting grooves 21 have been seted up to 2 bottom surfaces of chamber door, bar limit 11 is pegged graft in the mounting groove 21 internalization, a plurality of screws 22 have been seted up to 2 bottom surfaces of chamber door, screw 22 internal thread connection buffer unit 9 to enable chamber door 2 to adjust through buffer unit 9.

Further, the connecting plate 3 is trapezoidal, two first bar-shaped grooves 31 and two second bar-shaped grooves 32 are formed in the surface of the connecting plate 3, the first bar-shaped grooves 31 and the second bar-shaped grooves 32 are connected with the adjusting mechanisms 4 in a sliding mode, and therefore the adjusting mechanisms 4 can work stably.

Further, adjustment mechanism 4 is including four swivel nuts 41, ring channel 411 has been seted up to swivel nut 41 surface, roll adjustment mechanism 5 is cup jointed in the ring channel 411 internal rotation, swivel nut 41 female connection has a double-screw bolt 42, two first bar groove 31 and first adjustment tank 14 are run through in the double-screw bolt 42 activity, another two second bar groove 32 and second adjustment tank 15 are run through in the double-screw bolt 42 activity, the fixed limit stop 43 that is equipped with in double-screw bolt 42 upper end, limit stop 43 and regulating plate 8 sliding connection to through adjusting arbitrary swivel nut 41, make swivel nut 41 remove along double-screw bolt 42, thereby make limit stop 43 drive regulating plate 8 reciprocate.

Further, the distance adjusting mechanism 5 includes two guide rails 51, a convex guide groove 511 has been seted up on the bottom surface of the guide rail 51, two slivers 53 are slidably connected in the convex guide groove 511, two slivers 53 are in threaded connection with a lead screw 56, one end of the slivers 53 is fixedly connected with an elastic plate 54, so that the elastic plate 54 can be extruded when the turnbuckle 41 moves upwards, one end of the elastic plate 54 is fixedly connected with an annular sleeve 55, the annular sleeve 55 is rotatably sleeved in the annular groove 411, a worm wheel 59 is fixedly arranged on the lead screw 56, the worm wheel 59 is engaged with a worm 58, the worm 58 is rotatably connected with a mounting seat 57, the upper surface of the mounting seat 57 is fixedly connected with the bottom surface of the guide rail 51, so that the two slivers 53 can reversely slide along the convex guide groove 511 by rotating the worm 58 to drive the worm wheel 59 and the lead screw 56 to rotate, so that the two annular sleeves 55 drive the turnbuckles 41 to move in opposite directions, and the turnbuckle 41 can be adjusted by increasing the distance between the turnbuckles 41, thereby changing the range of the box door 2.

Furthermore, second convex spout 81 has been seted up to the 8 bottom surfaces of regulating plate, sliding connection limit baffle 43 in the second

convex spout

81, 8 upper surfaces of regulating plate are laminated and are connected 2 bottom surfaces of chamber door to limit baffle 43 can promote the both ends of regulating plate 8 and reciprocate.

Furthermore, the fixed axle 71 that is equipped with of installation piece 7 both sides fixed surface, the one end and the anticreep subassembly 6 joint of fixed axle 71 are connected to installation piece 7 and anticreep subassembly 6 are convenient for install.

Further, anticreep subassembly 6 is including L shape fixed block 61, L shape fixed block 61 quantity is two, surface fixed connects 2 bottom surfaces of chamber door on the L shape fixed block 61, arc draw-in groove 62 has been seted up on the L shape fixed block 61, joint fixed axle 71 in the arc draw-in groove 62, L shape fixed block 61 pass through arc draw-in groove 62 joint installation fixed axle 71, first convex spout 63 has been seted up to L shape fixed block 61 side, sliding connection has convex slider 64 in the first convex spout 63, the fixed first spring 65 that is equipped with between convex slider 64 upper surface and the first convex spout 63 inner wall, convex slider 64 side fixed connection regulating plate 8 to regulating plate 8 passes through the first convex spout 63 sliding connection that convex slider 64 seted up along L shape fixed block 61, thereby can make chamber door 2 prevent to fall through first spring 65.

Further, buffering subassembly 9 is including upper plate 91, the screw thread runs through has a plurality of bolts 92 on upper plate 91, bolt 92's upper end threaded connection is in screw 22, upper plate 91 quantity is four, four two regulating plate 8's both ends department is located respectively to upper plate 91, the fixed a plurality of second springs 93 that are equipped with in upper plate 91 bottom surface, second spring 93 bottom fixedly connected with hypoplastron 94, hypoplastron 94 and regulating plate 8's terminal surface fixed connection to regulating plate 8's arbitrary one end reciprocates, can promote upper plate 91 and chamber door 2 through second spring 93 and remove.

The working principle is as follows: the upper end of the strip-shaped edge 11 is movably inserted into the mounting groove 21 on the bottom surface of the box door 2, so that the lower hinge body 1 and the box door 2 can be conveniently mounted, the lower hinge body 1 can be rotatably mounted on the box body through the rotating shaft 13, the lower hinge body 1 and the connecting plate 3 are connected with the four studs 42 in a sliding manner, then the upper ends of the studs 42 support the adjusting plate 8 through the limit baffle 43 fixedly connected with the lower plate 94 through the adjusting plate 8, the lower plate 94 is fixedly connected with the upper plate 91 and the box door 2 through the second spring 93, so that the box door 2 is fixedly mounted, the L-shaped fixing block 61 is clamped with the fixing shaft 71 through the arc-shaped clamping groove 62, the adjusting plate 8 is connected with the first convex sliding groove 63 formed in the L-shaped fixing block 61 through the convex sliding block 64 in a sliding manner, and the box door 2 can be prevented from falling through the first spring 65; when the box door 2 is in a falling condition, the screw sleeves 41 move along the screw studs 42 by adjusting any one screw sleeve 41, so that the limit baffle 43 drives one corner of the adjusting plate 8 to move up and down, the gap distance between the box door 2 and the box body is adjusted, and meanwhile, when the two screw sleeves 41 at any one end of the adjusting plate 8 are adjusted, one end of the box door 2 can be adjusted up and down, so that the corresponding end of the adjusting plate 8 can be pushed to move up and down by the two limit baffles 43, and then the upper plate 91 and the box door 2 can be pushed to move by the second spring 93, so that the installation height of one end of the box door 2 is adjusted; when the screw sleeve 41 moves upwards, the elastic plate 54 can be extruded, the worm wheel 59 and the screw rod 56 are driven to rotate through rotating the worm 58, the two sliding strips 53 can reversely slide along the convex guide grooves 511, so that the two annular sleeves 55 drive the screw sleeve 41 to move in opposite directions, and the adjusted amplitude of the box door 2 is changed when the screw sleeve 41 is rotationally adjusted through increasing the distance between the screw sleeves 41.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lower hinge for refrigerator fixed door body, includes lower hinge body (1), its characterized in that: the hinge structure is characterized in that a connecting plate (3) is installed on the bottom surface of the lower hinge body (1), four adjusting mechanisms (4) are installed in the lower hinge body (1) and the connecting plate (3) in a sliding mode, two adjusting mechanisms (8) are arranged on the upper ends of the adjusting mechanisms (4) in a group, the number of the adjusting plates (8) is two, the adjusting plates (8) are arranged on the upper surface of the lower hinge body (1), distance adjusting mechanisms (5) are connected to the adjusting mechanisms (4) in a rotating and sleeving mode, buffering assemblies (9) are fixedly connected to the two ends of each adjusting plate (8), a box door (2) is fixedly connected to the upper ends of the buffering assemblies (9), the lower hinge body (1) is movably connected with the box door (2), anti-falling assemblies (6) are connected to the side surfaces of one ends of the adjusting plates (8) in a sliding mode, installation blocks (7) are connected to the anti-falling assemblies (6) in a clamping mode, and the installation blocks (7) are fixedly connected with the box door (2);

the adjusting mechanism (4) comprises four threaded sleeves (41), an annular groove (411) is formed in the outer surface of each threaded sleeve (41), the distance adjusting mechanism (5) is rotationally sleeved in the annular groove (411), threaded studs (42) are connected to the threaded sleeves (41) in a threaded manner, the two threaded studs (42) movably penetrate through the first strip-shaped groove (31) and the first adjusting groove (14), the other two threaded studs (42) movably penetrate through the second strip-shaped groove (32) and the second adjusting groove (15), a limiting baffle (43) is fixedly arranged at the upper end of each threaded stud (42), and the limiting baffle (43) is slidably connected with the adjusting plate (8);

roll adjustment mechanism (5) is including two guide rails (51), convex guide slot (511) have been seted up to guide rail (51) bottom surface, sliding connection has two draw runner (53) in convex guide slot (511), two draw runner (53) internal thread connection has lead screw (56), the one end fixedly connected with elastic plate (54) of draw runner (53), the one end fixedly connected with annular cover (55) of elastic plate (54), annular cover (55) rotate cup joint in ring channel (411), fixed worm wheel (59) of being equipped with on lead screw (56), worm wheel (59) meshing is connected with worm (58), worm (58) rotate and are connected with mount pad (57), fixed surface connects guide rail (51) bottom surface on mount pad (57).

2. The lower hinge for the fixed door body of the refrigerator according to claim 1, wherein the lower hinge body (1) is V-shaped, two circular grooves (12) are formed in the surface of the lower hinge body (1), a rotating shaft (13) is rotatably clamped in one circular groove (12), two first adjusting grooves (14) and two second adjusting grooves (15) are formed in the surface of the lower hinge body (1), the first adjusting grooves (14) and the second adjusting grooves (15) are slidably connected with the adjusting mechanism (4), two strip-shaped edges (11) are fixedly arranged on the upper surface of the lower hinge body (1), and the upper ends of the strip-shaped edges (11) are movably inserted into the bottom surface of the refrigerator door (2).

3. The lower hinge for the fixed door body of the refrigerator as claimed in claim 2, wherein the bottom surface of the refrigerator door (2) is provided with two mounting grooves (21), the bar-shaped edges (11) are movably inserted into the mounting grooves (21), the bottom surface of the refrigerator door (2) is provided with a plurality of screw holes (22), and the screw holes (22) are internally threaded with the buffer assembly (9).

4. The lower hinge for the fixed door body of the refrigerator according to claim 1, wherein the connecting plate (3) is trapezoidal, two first strip-shaped grooves (31) and two second strip-shaped grooves (32) are formed in the surface of the connecting plate (3), and the first strip-shaped grooves (31) and the second strip-shaped grooves (32) are slidably connected with the adjusting mechanism (4).

5. The lower hinge for the fixed door of the refrigerator according to claim 1, wherein a second convex sliding groove (81) is formed in the bottom surface of the adjusting plate (8), the second convex sliding groove (81) is slidably connected with a limit baffle (43), and the upper surface of the adjusting plate (8) is attached to the bottom surface of the refrigerator door (2).

6. The lower hinge for the fixed door of the refrigerator according to claim 1, wherein a fixed shaft (71) is fixedly arranged on the surface of both sides of the mounting block (7), and one end of the fixed shaft (71) is connected with the anti-dropping assembly (6) in a clamping manner.

7. The lower hinge for the fixed door body of the refrigerator according to claim 6, wherein the anti-falling assembly (6) comprises two L-shaped fixing blocks (61), the number of the L-shaped fixing blocks (61) is two, the upper surface of each L-shaped fixing block (61) is fixedly connected with the bottom surface of the refrigerator door (2), an arc-shaped clamping groove (62) is formed in each L-shaped fixing block (61), a fixing shaft (71) is clamped in each arc-shaped clamping groove (62), a first convex sliding groove (63) is formed in the side surface of each L-shaped fixing block (61), a convex sliding block (64) is slidably connected in each first convex sliding groove (63), a first spring (65) is fixedly arranged between the upper surface of each convex sliding block (64) and the inner wall of each first convex sliding groove (63), and the side surface of each convex sliding block (64) is fixedly connected with the adjusting plate (8).

8. The lower hinge for the fixed door of the refrigerator according to claim 3, wherein the buffering assembly (9) comprises an upper plate (91), a plurality of bolts (92) are threaded through the upper plate (91), the upper ends of the bolts (92) are threaded in screw holes (22), the number of the upper plates (91) is four, the four upper plates (91) are respectively arranged at two ends of the two adjusting plates (8), a plurality of second springs (93) are fixedly arranged on the bottom surface of the upper plate (91), a lower plate (94) is fixedly connected to the bottom ends of the second springs (93), and the lower plate (94) is fixedly connected to the end surfaces of the adjusting plates (8).