CN223398542U - Adjustable multi-movable joint hinge and refrigerator - Google Patents

Abstract

The utility model discloses an adjustable multi-movable joint hinge and a refrigerator, wherein the adjustable multi-movable joint hinge comprises two fixing seats and a transmission assembly rotationally connected with the two fixing seats, at least one fixing seat is an adjustable fixing seat, the adjustable fixing seat comprises a seat body, an adjusting piece and a sliding table, the adjusting piece is rotationally connected with the seat body, spiral teeth are arranged on the adjusting piece, the sliding table is in sliding connection with the seat body, a sliding hole is formed in the sliding table, the sliding table is slidingly sleeved on the adjusting piece through the sliding hole, two protrusions are arranged on the sliding table at intervals and are respectively in sliding contact with two opposite side surfaces of the spiral teeth, the transmission assembly is rotationally connected with the seat body or the sliding table of the adjustable fixing seat, and when the adjusting piece positively and negatively rotates, the two protrusions can be respectively matched with the spiral teeth to drive the sliding table to reciprocate along the sliding hole, so that the position of a door body can be adjusted, and the door body is aligned with the cabinet body.

Description

Adjustable multi-movable joint hinge and refrigerator

Technical Field

The utility model relates to a hinge, in particular to an adjustable multi-movable joint hinge and a refrigerator.

Background

The door body of the refrigerator is connected with the cabinet body by a multi-joint hinge, and the multi-joint hinge generally comprises a cabinet body fixing seat, a door body fixing seat and a transmission assembly for connecting the cabinet body fixing seat and the door body fixing seat, and the transmission assembly generally comprises a plurality of joint levers connected with each other in a scissor type manner. For example, a multi-joint self-closing hinge disclosed in chinese patent application publication No. CN117090464a includes a cabinet fixing base, a door fixing base, a first connecting member, a second connecting member, a third connecting member, a fourth connecting member, and an elastic assembly, where the first connecting member, the second connecting member, the third connecting member, and the fourth connecting member form a transmission assembly for connecting the cabinet fixing base and the door fixing base, and the elastic assembly is mounted on the second connecting member of the transmission assembly. When the door body is opened to a critical state, the elastic component applies closing acting force to the door body, so that the door body is automatically closed.

However, in actual production, since the respective parts constituting the multi-joint hinge inevitably have errors in terms of process during production, and the respective parts constituting the multi-joint hinge inevitably have assembly tolerances during assembly and installation, the positions of the installed door bodies are deviated, so that the door bodies and the cabinet bodies are not adhered to each other sufficiently.

Disclosure of utility model

In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide an adjustable multi-joint hinge which can adjust the position of a door body so as to align the door body and enable the door body to be more attached to a cabinet body.

One of the purposes of the utility model is realized by adopting the following technical scheme:

The adjustable multi-movable joint hinge comprises two fixing seats and a transmission assembly rotationally connected to the two fixing seats, wherein at least one fixing seat is an adjustable fixing seat, the adjustable fixing seat comprises a seat body, an adjusting piece and a sliding table, the adjusting piece is rotationally connected with the seat body, spiral teeth are arranged on the adjusting piece, the sliding table is slidingly connected with the seat body, a sliding hole is formed in the sliding table, the sliding table is slidingly sleeved on the adjusting piece through the sliding hole, two protrusions are arranged on the sliding table at intervals and are respectively in sliding contact with two opposite side faces of the spiral teeth, the transmission assembly is rotationally connected with the seat body or the sliding table of the adjustable fixing seat, and when the adjusting piece is positively and negatively rotated, the two protrusions can be respectively matched with the spiral teeth so as to drive the sliding table to reciprocate along the sliding hole.

Further, the adjusting piece comprises a head and a shaft rod fixedly connected to the head, the shaft rod slidably penetrates through the sliding hole and is rotationally connected with the seat body, and the spiral teeth are arranged on the head.

Further, the helical teeth and the shaft rod are arranged on the same end face of the head, and the helical teeth extend along the circumferential direction of the shaft rod.

Further, the helical teeth have a first end and a second end opposite to each other in the extending direction of the helical teeth and disposed at intervals, and the distance from the helical teeth to the center of the shaft rod gradually decreases from the first end to the second end.

Further, a countersink for being matched with a screwdriver is arranged on the end face of the head part, which is away from the shaft rod.

Further, the shaft lever comprises a connecting section and a fixing section, the head, the connecting section and the fixing section are sequentially and fixedly connected, the diameters of the head, the connecting section and the fixing section are sequentially reduced, the connecting section is slidably penetrated through the sliding hole, and the fixing section is rotationally connected with the seat body.

Further, the two fixing seats are adjustable fixing seats, and the length directions of the sliding holes of the two fixing seats are mutually perpendicular.

Further, one of the two fixing seats is a cabinet fixing seat, the other is a door fixing seat, and the transmission assembly is rotationally connected with the seat body of the cabinet fixing seat and the sliding table of the door fixing seat.

Further, a guide hole is formed in the sliding table of the cabinet body fixing seat, the length direction of the guide hole is parallel to the length direction of the sliding hole of the cabinet body fixing seat, a fixing piece is fixed on the seat body of the cabinet body fixing seat, and the fixing piece penetrates through the guide hole in a sliding mode.

Further, the fixing piece is a rivet, the fixing piece comprises a rivet head and a rivet rod fixedly connected with the rivet head, the rivet rod penetrates through the guide hole in a sliding mode to be riveted with the base body of the cabinet body fixing base, and the rivet head can prop against the sliding table.

Further, the base body of the cabinet body fixing base is provided with a guide hole, the length direction of the guide hole is parallel to the length direction of the sliding hole of the cabinet body fixing base, the sliding table is provided with a fixing hole, one end of the fixing hole, which faces the corresponding base body, is convexly provided with a flange, and the flange is arranged around the periphery of the fixing hole and is slidably inserted into the guide hole.

Further, the base of the cabinet fixing base comprises a bottom side and a pair of extending sides which are respectively formed by extending vertically from two sides of the bottom side towards the transmission assembly, the bottom side and the extending sides form a containing groove, the sliding table is slidably arranged in the containing groove, the adjusting piece of the cabinet fixing base is rotationally connected with the bottom side, and the transmission assembly is rotationally connected with the pair of extending sides.

Further, the sliding table of the door body fixing seat is provided with a sliding hole, the length direction of the sliding hole is parallel to the length direction of the sliding hole of the door body fixing seat, the seat body of the door body fixing seat is provided with a plurality of mounting holes, a fixing piece used for fixedly connecting the door body is arranged in the mounting holes, and at least one fixing piece can be inserted into the sliding hole in a sliding mode.

Further, the slip table of the door body fixing base includes the bottom plate and respectively from the both sides of bottom plate towards the perpendicular a pair of curb plate that extends and form of drive assembly, the bottom plate with the pedestal sliding connection of the door body fixing base, the sliding hole of the door body fixing base is located on the bottom plate, drive assembly with a pair of curb plate rotates to be connected.

Further, the protrusions are cylindrical.

The second purpose of the utility model is realized by adopting the following technical scheme II:

A refrigerator includes the adjustable multi-joint hinge.

Compared with the prior art, the adjustable multi-movable joint hinge has the following advantages:

because the adjustable multi-movable joint hinge is provided with the adjustable fixing seat, when the actual installation position of the door body deviates from the preset installation position, the sliding table is driven to reciprocate along the sliding hole through the cooperation of the two protrusions and the spiral teeth by rotating the adjusting piece so as to adjust the position of the door body, thereby righting the door body and enabling the door body to be more attached to the cabinet body.

In addition, the two fixing seats of the adjustable multi-joint hinge are all adjustable fixing seats, and the length directions of the sliding holes of the two fixing seats are mutually perpendicular, so that when the adjustable multi-joint hinge is used, the door body can be moved along two mutually perpendicular directions, and further the adjustment requirement of the door body position under various conditions can be met.

Drawings

FIG. 1 is a schematic perspective view of an adjustable multi-joint hinge according to a preferred embodiment of the present utility model;

FIG. 2 is a block diagram of the adjustable multi-joint hinge of FIG. 1 in another view;

FIG. 3 is an exploded view of a portion of the structure of FIG. 2;

FIG. 4 is a block diagram of FIG. 2 at another view angle;

FIG. 5 is a block diagram of an adjustment member of a cabinet mount in the adjustable multi-joint hinge of FIG. 4;

FIG. 6 is a front view of FIG. 1;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a top view of FIG. 4;

FIG. 9 is a cross-sectional view taken along line D-D of FIG. 8;

FIG. 10 is a block diagram of the adjustable multi-joint hinge of FIG. 1 in yet another view;

FIG. 11 is an exploded view of a portion of the structure of FIG. 10;

FIG. 12 is a view of the door holder of FIG. 11 in another view;

FIG. 13 is a cross-sectional view of a portion of the structure of FIG. 6 taken along line B-B;

FIG. 14 is a cross-sectional view of a portion of the structure of FIG. 6 taken along line C-C;

FIG. 15 is a block diagram of the adjustable multi-joint hinge of FIG. 10 in another use condition;

100, adjustable multi-joint hinge, 10, fixing base, 11, cabinet fixing base, 112,131, base, 1121, bottom side, 1123, extension side, 1125, receiving slot, 1126, rivet hole, 1127, guide hole, 1128, first rotation hole, 113,132, adjuster, 1130,1320, helical tooth, 1131,1321, first end, 1132,1322, second end, 1134,1324, head, 1135,1325, shaft, 1136,1326, connection section, 1137,1327, fixing section, 1138,1328, sink slot, 114,134, slipway, 1141,1343, slide hole, 1142,1344, boss, 1143, guide hole, 1145, fixing hole, 1146, flange, 115, retainer, 1151, rivet head, 1152, rivet rod, 13, door fixing base, 1311, mounting hole, 1312, second rotation hole, 1341, bottom plate, 1342, side plate, 1345, slip hole, 30, transmission assembly, 31, first connection, 32, second connection, 33, third connection, 34, fourth connection.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or be present as another intermediate element through which the element is fixed. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an adjustable multi-joint hinge 100 according to a preferred embodiment of the present utility model includes two fixing bases 10 and a transmission assembly 30 rotatably connected to the two fixing bases 10. Specifically, the adjustable multi-joint hinge 100 can be applied to a refrigerator, wherein one of the two fixing bases 10 is a cabinet fixing base 11 for fixing with a cabinet (not shown) of the refrigerator, and the other is a door fixing base 13 for fixing with a door (not shown) of the refrigerator.

Referring to fig. 2 to 9, in the present embodiment, the cabinet fixing base 11 is an adjustable fixing base, and includes a base 112, an adjusting member 113 and a sliding table 114, wherein the adjusting member 113 is rotatably connected with the base 112, and the sliding table 114 is slidably connected with the base 112 and is slidably sleeved on the adjusting member 113.

In the present embodiment, the base 112 of the cabinet fixing base 11 includes a bottom side 1121 and a pair of extending sides 1123 extending vertically from two sides of the bottom side 1121 toward the transmission assembly 30, and the bottom side 1121 and the extending sides 1123 enclose a receiving slot 1125. The holder 115 is fixed on the base 112 of the cabinet fixing base 11, in this embodiment, a riveting hole 1126 is provided on the bottom side 1121, the holder 115 is a rivet, the holder 115 includes a rivet head 1151 and a rivet rod 1152 fixedly connected to the rivet head 1151, and the rivet rod 1152 is riveted with the riveting hole 1126 on the base 112 of the cabinet fixing base 11. The bottom side 1121 of the base 112 of the cabinet fixing base 11 is also provided with a strip-shaped guide hole 1127, and the guide hole 1127 and the riveting hole 1126 are arranged at intervals along the length direction of the accommodating groove 1125.

In the present embodiment, the adjusting member 113 of the cabinet fixing base 11 is disposed between the guide hole 1127 and the riveting hole 1126, and the adjusting member 113 is provided with helical teeth 1130, specifically, the adjusting member 113 includes a head 1134 and a shaft 1135 fixedly connected to the head 1134. In the present embodiment, the head 1134 is accommodated in the accommodating groove 1125, and a countersunk groove 1138 for matching with a screwdriver is disposed on an end surface of the head 1134 facing away from the shaft 1135, so as to facilitate the rotation of the adjusting member 113. In this embodiment, the countersink 1138 is a cross countersink, and it is understood that in other embodiments, the countersink may be another shape, for example, a straight countersink, so long as the countersink can be used in combination with a screwdriver in the prior art. The shaft 1135 of the adjustment member 113 is rotatably coupled to the bottom side 1121 of the housing 112. In this embodiment, the shaft 1135 includes a connection section 1136 and a fixing section 1137, the head 1134, the connection section 1136 and the fixing section 1137 are sequentially and fixedly connected, and diameters of the head 1134, the connection section 1136 and the fixing section 1137 are sequentially reduced, the fixing section 1137 is rotatably connected with the bottom side 1121 of the base 112, specifically, a first rotation hole 1128 is provided on the bottom side 1121 corresponding to the shaft 1135, the first rotation hole 1128 is located between the guide hole 1127 and the riveting hole 1126, and the fixing section 1137 of the shaft 1135 is rotatably mounted in the first rotation hole 1128. In the present embodiment, the spiral teeth 1130 are disposed on the head 1134, and the spiral teeth 1130 and the shaft 1135 are disposed on an end surface of the head 1134 facing the bottom side 1121, the spiral teeth 1130 extend along a circumferential direction of the shaft 1135, the spiral teeth 1130 have a first end 1131 and a second end 1132 disposed at intervals along an extending direction thereof, and a distance from the spiral teeth 1130 to a center of the shaft 1135 gradually decreases from the first end 1131 to the second end 1132.

The slide table 114 is slidably connected to the base 112, and in this embodiment, the slide table 114 of the cabinet fixing base 11 is substantially plate-shaped, and the slide table 114 of the cabinet fixing base 11 is slidably mounted in the receiving groove 1125, and the slide table 114 can be slidably guided through the receiving groove 1125. The sliding table 114 is provided with a strip-shaped sliding hole 1141, the length direction of the sliding hole 1141 of the cabinet body fixing seat 11 is parallel to the length direction of the guide hole 1127, and the sliding table 114 is slidably sleeved on the connecting section 1136 of the adjusting piece 113 through the sliding hole 1141, namely the connecting section 1136 slidably penetrates through the sliding hole 1141. Two protrusions 1142 are arranged on the sliding table 114 at intervals, the protrusions 1142 are arranged close to the sliding holes 1141, and the two protrusions 1142 are respectively in sliding contact with two opposite side surfaces of the spiral teeth 1130. When the adjusting member 113 is rotated in forward and reverse directions, the two protrusions 1142 can be respectively engaged with the helical teeth 1130 to drive the sliding table 114 to reciprocate along the sliding hole 1141. In the present embodiment, the protrusion 1142 is substantially cylindrical, so as to reduce friction between the protrusion 1142 and the helical tooth 1130, thereby reducing abrasion between the protrusion 1142 and the helical tooth 1130 during movement, and improving the service life of the adjustable multi-joint hinge 100.

In the present embodiment, the sliding table 114 of the cabinet fixing seat 11 is further provided with a strip-shaped guiding hole 1143, the length direction of the guiding hole 1143 is parallel to the length direction of the sliding hole 1141 of the cabinet fixing seat 11, the rivet rod 1152 of the fixing member 115 slides through the guiding hole 1143, and the rivet head 1151 of the fixing member 115 is accommodated in the accommodating groove 1125 and can be abutted against the sliding table 114. The movement of the slide table 114 can be further guided by the engagement of the holder 115 with the guide hole 1143.

In the present embodiment, the sliding table 114 is provided with a fixing hole 1145, and the fixing hole 1145 and the guiding hole 1143 are respectively located at two opposite sides of the sliding hole 1141. The fixing holes 1145 are used for inserting rivets or screws to fixedly connect the sliding table 114 with the cabinet. One end of the fixing hole 1145 facing the bottom side 1121 of the base 112 is formed with a flange 1146, and the flange 1146 is disposed around the periphery of the fixing hole 1145 and slidably inserted into the guide hole 1127. The movement of the slide table 114 can be further guided by the engagement of the flange 1146 with the guide hole 1127.

Referring to fig. 10 and 11, in the present embodiment, the door fixing base 13 is an adjustable fixing base, and has a structure substantially the same as that of the cabinet fixing base 11, and includes a base 131, an adjusting member 132 and a sliding table 134, wherein the base 131 is fixedly connected to the door, the adjusting member 132 is rotatably connected to the base 131, and the sliding table 134 is slidably connected to the base 131 and is slidably sleeved on the adjusting member 132.

In the present embodiment, the base 131 of the door fixing base 13 is substantially plate-shaped, and the base 131 of the door fixing base 13 is provided with a mounting hole 1311, and the mounting hole 1311 is used for providing a fixing member (not shown) fixedly connected to the door. In this embodiment, a plurality of mounting holes 1311 are provided on the door body fixing base 13 at intervals. The fixing member may be a rivet screw or the like.

Referring to fig. 12 and 14, the structure of the adjusting member 132 of the door fixing base 13 is the same as that of the adjusting member 113 of the cabinet fixing base 11, and spiral teeth 1320 are provided thereon, specifically, the adjusting member 132 includes a head 1324 and a shaft 1325 fixedly connected to the head 1324. In this embodiment, the head 1324 is disposed on a side of the corresponding base 131 facing the cabinet fixing base 11, and an end surface of the head 1324 facing away from the shaft 1325 is provided with a countersink 1328 for matching with a screwdriver, so as to more conveniently rotate the adjusting member 132. In this embodiment, the sink 1328 is a cross sink, and it is understood that in other embodiments, the sink may be another sink, for example, a straight sink, so long as the sink can be used in combination with a screwdriver in the prior art. In this embodiment, the shaft rod 1325 of the adjusting member 132 is rotatably connected to the base 131, the shaft rod 1325 includes a connecting section 1326 and a fixing section 1327, the head portion 1324, the connecting section 1326 and the fixing section 1327 are sequentially and fixedly connected, the diameters of the head portion 1324, the connecting section 1326 and the fixing section 1327 are sequentially reduced, the fixing section 1327 is rotatably connected to the base 131, specifically, the base 131 is provided with a second rotation hole 1312 corresponding to the shaft rod 1325, and the fixing section 1327 of the shaft rod 1325 is rotatably installed in the second rotation hole 1312. In the present embodiment, the screw teeth 1320 and the shaft 1325 are disposed on the end surface of the head 1324 facing the base 131, the screw teeth 1320 extend along the circumferential direction of the shaft 1325, the screw teeth 1320 have a first end 1321 and a second end 1322 spaced apart from each other along the extending direction, and the distance from the screw teeth 1320 to the center of the shaft 1325 gradually decreases from the first end 1321 to the second end 1322.

In this embodiment, the sliding table 134 of the door body fixing seat 13 is slidably connected with the corresponding seat body 131, and in this embodiment, the sliding table 134 of the door body fixing seat 13 includes a bottom plate 1341 and a pair of side plates 1342 formed by extending perpendicularly from two sides of the bottom plate 1341 toward the transmission assembly 30, the bottom plate 1341 is slidably connected with the seat body 131, a sliding hole 1343 is formed in the bottom plate 1341 of the sliding table 134 of the door body fixing seat 13, and the length direction of the sliding hole 1343 in the door body fixing seat 13 is perpendicular to the length direction of the sliding hole 1141 in the cabinet body fixing seat 11. The sliding table 134 of the door body fixing seat 13 is slidably sleeved on the connecting section 1326 of the corresponding adjusting member 132 through the corresponding sliding hole 1343, i.e. the connecting section 1326 slidably passes through the sliding hole 1343. Two protrusions 1344 are arranged on the sliding table 134 of the door body fixing seat 13 at intervals, the protrusions 1344 are arranged close to the sliding holes 1343, and the two protrusions 1344 are respectively in sliding contact with two opposite side surfaces of the spiral teeth 1320. When the adjusting member 132 is rotated in the forward and reverse directions, the protrusions 1344 can be engaged with the helical teeth 1320, respectively, to drive the sliding table 134 to reciprocate along the sliding hole 1343. In this embodiment, the protrusions 1344 are generally cylindrical to reduce friction between the protrusions 1344 and the helical teeth 1320, thereby reducing wear of the protrusions 1344 and the helical teeth 1320 during movement and improving the useful life of the adjustable multi-joint hinge 100.

In the present embodiment, a bottom plate 1341 of the sliding table 134 of the door body fixing base 13 is provided with a strip-shaped sliding hole 1345 corresponding to at least one mounting hole 1311, and the length direction of the sliding hole 1345 is parallel to the length direction of the sliding hole 1343 of the door body fixing base 13. The fixing member mounted at the mounting hole 1311 slidably passes through the slide hole 1345 at a corresponding position to better guide the movement of the slide table 134.

Referring to fig. 6 again, the transmission assembly 30 is rotatably connected to the base 112 of the cabinet fixing base 11 and the sliding table 134 of the door fixing base 13. In the present embodiment, one end of the transmission assembly 30 is rotatably connected to a pair of extension sides 1123 of the base 112 of the cabinet fixing base 11, and the other end of the transmission assembly 30 is rotatably connected to a pair of side plates 1342 of the sliding table 134 of the door body fixing base 13. The structure of the transmission assembly 30 of this embodiment belongs to the prior art, and includes a first connecting member 31, a second connecting member 32, a third connecting member 33 and a fourth connecting member 34, wherein one end of the first connecting member 31 is accommodated in the accommodating groove 1125 and is pivotally connected to a pair of extending sides 1123 of the cabinet fixing base 11, the other end of the first connecting member 31 is pivotally connected to the second connecting member 32, two ends of the second connecting member 32 are respectively pivotally connected to the first connecting member 31 and a pair of side plates 1342 of the sliding table 134 of the door fixing base 13, two ends of the third connecting member 33 are respectively pivotally connected to the first connecting member 31 and a pair of side plates 1342 of the sliding table 134 of the door fixing base 13, and two ends of the fourth connecting member 34 are respectively pivotally connected to a pair of extending sides 1123 of the seat 112 of the cabinet fixing base 11 and the third connecting member 33. It is understood that other configurations of the transmission assembly 30 are possible in the art. The adjustable multi-joint hinge 100 may further include other structures, such as an elastic component that applies a closing force to the door body to automatically close the door body, etc., and will not be described in detail herein for brevity.

The present utility model also provides a refrigerator comprising the adjustable multi-swing hinge 100 described above.

When the adjustable multi-joint hinge 100 is installed, the sliding table 114 of the cabinet fixing seat 11 is fixedly connected with the cabinet, and the seat 112 of the door fixing seat 13 is fixedly connected with the door. After the installation of the adjustable multi-joint hinge 100 is completed, if the position of the door body deviates, the adjusting piece 113 on the cabinet fixing seat 11 can be screwed by a screwdriver according to the deviation direction of the door body, so that the sliding table 114 of the cabinet fixing seat 11 moves along the corresponding sliding hole 1141 relative to the seat 112 of the cabinet fixing seat 11, thereby driving the door body to move along the length direction of the sliding hole 1141 of the cabinet fixing seat 11 relative to the cabinet body, and/or the adjusting piece 132 on the door body fixing seat 13 is screwed by the screwdriver, so that the sliding table 134 of the door body fixing seat 13 moves along the corresponding sliding hole 1343 relative to the seat 131 of the door body fixing seat 13, thereby driving the door body to move along the length direction of the sliding hole 1343 of the door body fixing seat 13 relative to the cabinet body, and further righting the door body.

Because the adjustable multi-joint hinge 100 is provided with the adjustable fixing seat, when the actual installation position of the door body deviates from the preset installation position, the sliding tables 114 and 134 are driven to reciprocate along the sliding holes 1141 and 1343 by rotating the adjusting pieces 113 and 132 on the adjustable fixing seat and matching the two protrusions 1142 and 1344 with the spiral teeth 1130 and 1320, so as to adjust the position of the door body, thereby aligning the door body and enabling the door body to be more attached to the cabinet body.

In addition, the two fixing bases 10 of the adjustable multi-joint hinge 100 are all adjustable fixing bases, and the length directions of the sliding holes 1141 and 1343 of the two fixing bases 10 are perpendicular to each other, so that the door body can be moved along two perpendicular directions when in use, and further the adjustment requirement of the door body position under various conditions can be satisfied.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, it is possible to make several modifications and improvements without departing from the concept of the present utility model, which are equivalent to the above embodiments according to the essential technology of the present utility model, and these are all included in the protection scope of the present utility model.

Claims (16)

1. The adjustable multi-movable joint hinge comprises two fixing seats and a transmission assembly rotationally connected to the two fixing seats, and is characterized in that at least one fixing seat is an adjustable fixing seat, the adjustable fixing seat comprises a seat body, an adjusting piece and a sliding table, the adjusting piece is rotationally connected with the seat body, spiral teeth are arranged on the adjusting piece, the sliding table is slidingly connected with the seat body, a sliding hole is formed in the sliding table, the sliding table is slidingly sleeved on the adjusting piece through the sliding hole, two protrusions are arranged on the sliding table at intervals and are respectively in sliding contact with two opposite side faces of the spiral teeth, the transmission assembly is rotationally connected with the seat body of the adjustable fixing seat or the sliding table, and when the adjusting piece is in forward and backward rotation, the two protrusions can be respectively matched with the spiral teeth to drive the sliding table to reciprocate along the sliding hole.

2. The adjustable multi-joint hinge according to claim 1, wherein said adjustment member comprises a head portion and a shaft fixedly connected to said head portion, said shaft slidably passing through said sliding hole and rotatably connected to said housing, said helical teeth being disposed on said head portion.

3. The adjustable multi-joint hinge according to claim 2, wherein said helical tooth is disposed on the same end face of said head as said shaft, said helical tooth extending circumferentially of said shaft.

4. The adjustable multi-joint hinge according to claim 3, wherein said helical teeth have first and second ends disposed opposite and spaced apart along the direction of extension of said helical teeth, and wherein the distance from said helical teeth to the center of said shaft decreases progressively from said first end to said second end.

5. The adjustable multi-joint hinge according to claim 2, wherein an end surface of the head facing away from the shaft is provided with a countersink for engagement with a screwdriver.

6. The adjustable multi-joint hinge according to claim 2, wherein the shaft comprises a connecting section and a fixing section, the head, the connecting section and the fixing section are sequentially and fixedly connected, the diameters of the head, the connecting section and the fixing section are sequentially reduced, the connecting section slidably penetrates through the sliding hole, and the fixing section is rotatably connected with the base.

7. The adjustable multi-joint hinge as claimed in claim 1, wherein the two fixing bases are adjustable fixing bases, and the length directions of the sliding holes of the two fixing bases are perpendicular to each other.

8. The adjustable multi-joint hinge according to claim 7, wherein one of the two fixing bases is a cabinet fixing base, the other is a door fixing base, and the transmission assembly is rotatably connected with the base of the cabinet fixing base and the sliding table of the door fixing base.

9. The adjustable multi-joint hinge according to claim 8, wherein the sliding table of the cabinet fixing seat is provided with a guide hole, the length direction of the guide hole is parallel to the length direction of the sliding hole of the cabinet fixing seat, and a fixing piece is fixed on the seat body of the cabinet fixing seat and penetrates through the guide hole in a sliding manner.

10. The adjustable multi-joint hinge according to claim 9, wherein the fixing part is a rivet, the fixing part comprises a rivet head and a rivet rod fixedly connected with the rivet head, the rivet rod penetrates through the guide hole in a sliding mode to be riveted with the base body of the cabinet fixing base, and the rivet head can prop against the sliding table.

11. The adjustable multi-joint hinge according to claim 8, wherein the base of the cabinet fixing base is provided with a guide hole, the length direction of the guide hole is parallel to the length direction of the sliding hole of the cabinet fixing base, the sliding table is provided with a fixing hole, one end of the fixing hole, which faces the corresponding base, is convexly provided with a flange, and the flange is arranged around the periphery of the fixing hole and is slidably inserted into the guide hole.

12. The adjustable multi-joint hinge according to claim 8, wherein the base of the cabinet fixing base comprises a bottom side and a pair of extending sides which are respectively formed by extending vertically from two sides of the bottom side towards the transmission assembly, the bottom side and the extending sides form a containing groove, the sliding table is slidably arranged in the containing groove, the adjusting piece of the cabinet fixing base is rotatably connected with the bottom side, and the transmission assembly is rotatably connected with the pair of extending sides.

13. The adjustable multi-joint hinge according to claim 8, wherein the sliding table of the door body fixing seat is provided with a sliding hole, the length direction of the sliding hole is parallel to the length direction of the sliding hole of the door body fixing seat, the seat body of the door body fixing seat is provided with a plurality of mounting holes, a fixing piece for fixedly connecting the door body is arranged in the mounting holes, and at least one fixing piece can be inserted into the sliding hole in a sliding mode.

14. The adjustable multi-joint hinge according to claim 8, wherein the sliding table of the door body fixing seat comprises a bottom plate and a pair of side plates formed by extending vertically from two sides of the bottom plate towards the transmission assembly, the bottom plate is in sliding connection with the seat body of the door body fixing seat, the sliding hole of the door body fixing seat is formed in the bottom plate, and the transmission assembly is in rotational connection with the pair of side plates.

15. The adjustable multi-joint hinge according to claim 1, wherein said projection is cylindrical.

16. A refrigerator comprising an adjustable multi-articulation hinge according to any one of claims 1 to 15.