Freezer hinge

Abstract

The freezer hinge comprises a hinge seat, arc-shaped connecting grooves are formed in the two sides of the hinge seat, the hinge seat is rotationally connected with a rotating seat through a connecting pin and a rotating pin, an L-shaped bent bolt is detachably connected to the rotating seat, and the bent position of the bolt is located on the side, away from the connecting pin, in the connecting groove. The bolt is in limiting connection with the connecting groove, so that the bottom surfaces of the hinge seat and the rotating seat are in a relatively parallel state, and the bolt is separated from the rotating seat after the rotating seat is fixedly connected with the freezer door plate. The arc-shaped connecting groove is formed in the hinge seat, and the detachable L-shaped plug pin is utilized, so that the bottom surfaces of the hinge seat and the rotating seat can be kept relatively parallel when the hinge seat and the rotating seat are mounted, the problem of an initial angle between the hinge seat and the connecting seat is solved, the problem that the hinge seat and the connecting seat need to be pressed tightly during mounting is avoided, personnel are assisted in mounting, and the mounting process is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to an ice cabinet hinge belongs to ice cabinet connecting piece field. BACKGROUND

[0002] The hinge is commonly used metal material, and its application is very wide, and can be applied to clothes dryer, ice cabinet, refrigerator and door and window etc. The existing ice cabinet hinge assembly is in the closed state when the ice cabinet door is in the closed state, the spring of the buffer mechanism is in the compressed state, the ice cabinet door is supported by the support force of the compressed spring reset when the ice cabinet door is opened, so that the ice cabinet door can be kept stationary within a certain angle, and will not be closed, facilitating personnel to take articles.

[0003] The existing ice cabinet hinge is installed, and the hinge seat and the connecting seat are suspended and supported by the spring, and the hinge seat and the connecting seat have an initial angle, the connecting seat bottom surface and the ice cabinet door plate are in complete adhesion state when the user installs, and the personnel need to press tightly to be screwed by the bolt, so that the installation is time-consuming and laborious, and still has the risk of loose installation, which is not conducive to long-term use and good use effect of the ice cabinet hinge. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides an ice cabinet hinge.

[0005] An ice cabinet hinge, comprising a hinge seat, the hinge seat is provided with an arc-shaped connecting groove on both sides, the hinge seat is rotatably connected with a rotating seat through a connecting pin and a rotating pin, the rotating seat is detachably connected with an L-shaped bent bolt, the bent part of the bolt is located on one side of the connecting groove away from the connecting pin, and the connecting groove forms a limiting connection with the hinge seat and the rotating seat to make the bottom surface of the hinge seat and the rotating seat relatively parallel, and the bolt is disconnected from the rotating seat after the rotating seat is fixedly connected with the ice cabinet door plate. By arranging the arc-shaped connecting groove on the hinge seat, and using the detachable L-shaped bolt, the bottom surface of the hinge seat and the rotating seat can be kept relatively parallel during installation, the initial angle problem between the hinge seat and the connecting seat is eliminated, the pressing problem during installation is avoided, and the installation process is simplified. After the hinge seat and the rotating seat are fixedly connected, the bolt can be disconnected from the rotating seat, so that the hinge structure is in a stable state, the hinge can be tightly attached to the ice cabinet door plate, the risk of loose installation is reduced, and the long-term use reliability of the hinge is improved.

[0006] Preferably, the rotating seat is provided with a socket on both sides, the plug pin is connected with the socket through the connecting groove to form a limiting connection. The limiting connection structure ensures the accurate cooperation of the plug pin and the socket, fixes the relative position between the rotating seat and the hinge seat, further realizes the ideal state of parallel bottom surface after installation, and helps accurate positioning. The limiting connection of the plug pin through the connecting groove and the socket effectively prevents deviation or loosening caused by external force during installation or use, and ensures long-term stability of the overall structure.

[0007] Preferably, the connecting pin is slidingly connected in the connecting groove at both ends and on the side away from the plug pin. By arranging the connecting pin on the side away from the plug pin, space interference between the connecting pin and the plug pin during installation and use can be effectively avoided, and independent and normal use of each function can be ensured.

[0008] Further, a plurality of oil grooves are arranged on the connecting pin in a circumferential direction around the outer wall. The number of oil grooves is at least one, and the oil grooves can effectively lubricate, greatly reduce the friction coefficient during movement, reduce direct friction of the metal surface, delay wear, and improve the durability of the connecting pin and the overall hinge. Reduce noise generated by friction and avoid breakage

[0009] Further, the material of the connecting pin is heat-treated 40Cr. The heat-treated 40Cr has high strength and hardness, which can effectively reduce wear during repeated opening and closing of the freezer hinge and friction contact with other parts, prolong the service life of the parts, and ensure long-term reliable use of the hinge. The connecting pin is not prone to fatigue fracture under long-term repeated load, further improving the durability of the overall device.

[0010] Preferably, the connecting pin is connected with a connecting rod that moves longitudinally in the hinge seat, the hinge seat is fixedly provided with a limiting seat, the limiting seat is provided with a limiting hole, one end of the connecting rod is connected with the connecting pin in tight fit, and the other end extends into the limiting hole to form a horizontal limiting connection with the limiting seat.

[0011] Further, a spring in a compressed state is sleeved on the connecting rod, the spring is provided with a limiting piece on both sides and a limiting piece in the limiting hole, and the connecting rod can move longitudinally in the hinge seat through elastic change of the spring.

[0012] Further, the material of the connecting rod is heat-treated medium carbon steel. The heat-treated medium carbon steel has enhanced wear resistance, can maintain good lubrication at the friction parts of the connecting rod and other parts, reduce wear, and effectively prolong the fatigue life to ensure long-term stable operation.

[0013] Preferably, the wall thickness of the hinge seat and the rotating seat is thickened. The thickened wall thickness can significantly enhance the rigidity of the hinge seat and the rotating seat, resist the mechanical load generated in the repeated opening and closing process, ensure that the parts are not easily deformed, thereby maintaining the stability of the device. Improve the service life of the freezer hinge and prolong the use time. The tested freezer hinge can reach 300,000 times of use.

[0014] The beneficial effects of the utility model are as follows: by arranging the arc-shaped connecting groove on the hinge seat and using the detachable L-shaped bolt, the hinge seat and the rotating seat can keep the bottom surfaces relatively parallel during installation, the initial angle problem between the hinge seat and the connecting seat is eliminated, the problem of needing to be pressed during installation is avoided, and the installation process is simplified by the auxiliary personnel. After the hinge seat and the rotating seat are fixedly connected, the bolt can be separated from the rotating seat, so that the hinge structure is in a stable state, the hinge can be closely attached to the freezer door plate, the risk of loose installation is reduced, and the long-term use reliability of the hinge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.

[0016] Fig. 1 It is the structure schematic view of the utility model;

[0017] Fig. 2 It is the structure schematic view of the utility model without hinge seat;

[0018] Fig. 3 It is the structure schematic view of the utility model without part structure;

[0019] In the drawing, 1, hinge seat;11, connecting groove;12, limiting seat;13, limiting hole;2, connecting pin;3, oil groove;4, rotating pin;5, bolt;6, rotating seat;61, insertion hole;7, connecting rod;8, U-shaped sheet;9, spring;10, limiting sheet;11, limiting piece. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will further describe the utility model in combination with the drawings.

[0021] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name non-same entities or non-same parameters, and the "first" and "second" are only for the convenience of expression, and should not be understood as the limitation of the embodiments of the utility model, and the subsequent embodiments will not be described one by one.

[0022] The directions and positions mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side" and the like, are only the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the utility model, and are not limited to the protection scope of the utility model.

[0023] As shown in the drawing, Figs. 1-3 As shown in the drawing, it is an embodiment of the utility model of a refrigerator hinge, including hinge seat 1, the both sides of hinge seat 1 are provided with the connecting groove 11 of arc arrangement, hinge seat 1 is rotatably connected with rotating seat 6 through connecting pin 2 and rotating pin 4, the L-shaped bending of the plug-in bolt 5 of detachable connection is arranged on rotating seat 6, the bending of plug-in bolt 5 is located in the side of connecting groove 11 away from connecting pin 2, and forms limit connection with connecting groove 11 to make the bottom surface of hinge seat 1 and rotating seat 6 be in the state of relative parallel, plug-in bolt 5 is disconnected with rotating seat 6 after rotating seat 6 and refrigerator door plate fixed connection. By setting arc-shaped connecting groove 11 on hinge seat 1, and using detachable L-shaped plug-in bolt 5, the bottom surface of hinge seat 1 and rotating seat 6 can be kept relative parallel during installation, the initial angle problem between hinge seat 1 and connecting seat is eliminated, the problem of needing to press tightly during installation is avoided, and the installation process is simplified by auxiliary personnel. After hinge seat 1 and rotating seat 6 are fixedly connected, plug-in bolt 5 can be disconnected with rotating seat 6, so that the hinge structure is in a stable state, ensures that the hinge can be closely attached to the refrigerator door plate, reduces the risk of loose installation, and improves the long-term use reliability of the hinge.

[0024] The both sides of rotating seat 6 are provided with insertion hole 61, plug-in bolt 5 is insertedly connected with insertion hole 61 through connecting groove 11 to form limit connection. Limit connection structure ensures the accurate cooperation of plug-in bolt 5 and insertion hole 61, guarantees the relative position between rotating seat 6 and hinge seat 1 is fixed, further realizes the ideal state of parallel bottom surface after installation, and is helpful for accurate positioning. The limit connection of plug-in bolt 5 through connecting groove 11 and insertion hole 61 effectively prevents deviation or loosening due to external force during installation or use, and ensures the long-term stability of the overall structure.

[0025] The connecting pin 2 is located in the connecting groove 11 at both ends and is in sliding connection with the connecting groove 11, and is located away from the plug 5. The connecting pin 2 is arranged away from the plug 5, which can effectively avoid the space interference between the connecting pin 2 and the plug 5 during installation and use, and ensure that the respective functions are independent and normally used.

[0026] A plurality of oil grooves 3 are arranged on the connecting pin 2 in a circumferential manner around the outer wall. The number of oil grooves 3 is at least one, and the oil grooves 3 can effectively lubricate and greatly reduce the friction coefficient during movement, reduce direct friction of the metal surface, delay wear, and improve the durability of the connecting pin 2 and the overall hinge. Reduce the noise generated when friction and avoid the situation of breaking

[0027] The material of the connecting pin 2 is heat-treated 40Cr. The heat-treated 40Cr has high strength and hardness, which can effectively reduce wear and tear during repeated opening and closing of the freezer hinge and friction contact with other parts, prolong the service life of the parts, and ensure long-term reliable use of the hinge. The connecting pin 2 is not prone to fatigue fracture under long-term repeated load, further improving the durability of the overall device.

[0028] The connecting rod 7 is connected to the connecting pin 2 and moves longitudinally in the hinge seat 1, the hinge seat 1 is fixedly provided with a limiting seat 12, the limiting seat 12 is provided with a limiting hole 13, one end of the connecting rod 7 is connected with the connecting pin 2 through a U-shaped sheet 8, and the other end extends into the limiting hole 13 and forms a horizontal limiting connection with the limiting seat 12.

[0029] The spring 9 in a compressed state is sleeved on the connecting rod 7, the limiting pieces 10 are arranged on both sides of the spring 9, and the limiting pieces 11 are arranged in the limiting hole 13, and the connecting rod 7 can move longitudinally in the hinge seat 1 through the elastic change of the spring 9.

[0030] In the embodiment of the present application, the material of the connecting rod 7 is heat-treated medium carbon steel, which is different from the above-mentioned embodiment. The heat-treated medium carbon steel has enhanced wear resistance, and can maintain good lubrication at the friction part of the connecting rod 7 and other parts, reduce wear, and effectively prolong the fatigue life, ensuring long-term stable operation.

[0031] In the embodiment of the present application, the wall thickness of the hinge seat 1 and the rotating seat 6 is thickened, which is different from the above-mentioned embodiment. The thickened wall thickness can significantly enhance the rigidity of the hinge seat 1 and the rotating seat 6, resist the mechanical load generated during repeated opening and closing, ensure that the parts are not easily deformed, thereby maintaining the stability of the device. Improve the service life of the freezer hinge and prolong the use time. The tested freezer hinge can reach 300,000 times of use.

[0032] The above only discloses preferred embodiments of the present application, and of course cannot limit the scope of the present application, therefore equivalent changes made according to the present application claims still belong to the scope covered by the present application.

[0033] While the present application has been described with reference to several particular embodiments, it is to be understood that the application is not limited to the specific embodiments disclosed. Rather, the application is intended to cover any modifications within the spirit and scope of the appended claims.

Claims

1. A freezer door hinge, characterized by: The hinge seat is provided with connecting grooves in arc shape on both sides, and is rotatably connected with a rotating seat through a connecting pin and a rotating pin.

2. The freezer hinge of claim 1, wherein: The rotating seat is provided with insertion holes on both sides, and the insertion pin is inserted into the connecting grooves and the insertion holes to form limiting connection.

3. The freezer hinge of claim 1, wherein: The connecting pin is slidably connected with the connecting grooves on both ends, and is located away from the insertion pin.

4. The freezer hinge of claim 1 or 3, wherein: The connecting pin is provided with a plurality of oil grooves arranged in a circumferential direction around the outer wall.

5. The freezer hinge of claim 4, wherein: The connecting pin is made of heat-treated 40Cr.

6. The freezer hinge of claim 1, wherein: The connecting pin is connected with a connecting rod which moves longitudinally in the hinge seat.

7. The freezer hinge of claim 6, wherein: The connecting rod is connected with a spring in a compressed state, and the spring is provided with limiting pieces on both sides and limiting members in the limiting holes.

8. A freezer door hinge as claimed in claim 6 or 7 wherein: The connecting rod is made of heat-treated medium carbon steel.

9. The freezer hinge of claim 1, wherein: The hinge seat and the rotating seat are thickened.

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