Whole-journey hovering power-assisted hinge for freezer

Abstract

The utility model discloses a freezer whole-course hovering assisting hinge which comprises a fixing base and a swing arm groove plate, a spring assembly used for applying force to whole-course opening and closing of a door body is installed on the fixing base, and a variable elastic force adjusting mechanism used for adjusting elastic force output of the spring assembly is arranged between the fixing base and the swing arm groove plate. The variable elastic force adjusting mechanism adjusts the elastic deformation length of the spring assembly in the opening and closing process of the door body, the change value of the torque in the opening and closing process of the door body is equal to the elastic force change value of the spring assembly, and the closing torque of the spring assembly and the door body is a relatively constant value; according to the utility model, the change of the elastic force of the spring assembly can be changed along with the change of the moment of the door body, the stable constant value state of the resultant moment is realized, the structure is simple and durable, the practicability and universality are high, and the hinge is not only suitable for hinging an upturning door freezer, but also can be used for an appliance which can be freely turned and closed, and has good market generalization.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, concretely is a freezer whole process hovering power-assisted hinge. BACKGROUND

[0002] Horizontal type freezer is a common freezer type distinguishing from vertical type freezer, generally more for supermarket frozen storage, for example, the ice cream track of common supermarket, the door body of this kind of freezer adopts thick door body with heat insulation material for heat preservation effect, and adopts the opening and closing mode of upper turning, but this kind of door body is heavy, and it is laborious to open, and the opening angle cannot be kept, and the impact force is too large when closing.

[0003] Although many dampers appear on the market to solve such problems, they are mainly divided into two categories, one kind of spring damper is set to facilitate the opening of the cabinet door, although it can save labor to open the cabinet door, but the cabinet door is turned up, and the downward pressure decreases with the increase of the opening angle, and the general spring cannot adapt to the change of the moment, so that the cabinet door is easily opened to a certain angle and then quickly pops out, and the other kind of damping is set on the cabinet to reduce the impact, but this damping will cause burden to the opening of the door, and increase the difficulty of opening the door, for the hovering problem at the middle angle, many adopt the way of connecting damping or friction piece, although it can be realized, but the resultant moment changes in the process of turning the door body, and the matched friction piece needs to meet the maximum value, for example, the resultant moment is maximum when the door body is turned to a certain angle, at this time, the friction piece with large friction is needed to keep the angle, and when the door body is turned to be close to vertical, the resultant moment is small, and the friction piece with small friction is needed to keep the angle, but if the angle needs to be kept all the time, the friction piece with maximum friction needs to be installed, which will affect the opening and closing process, and make the turning and closing actions laborious and not smooth.

[0004] Therefore, for this kind of heavy door body that needs to be turned and closed, we need a special hinge to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a freezer whole process hovering power-assisted hinge to solve the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The utility model provides an ice cabinet whole course hovering power hinge, including fixedly installed fixed seat 1 of cabinet body and swing arm groove board 2 of fixed installation of door body 5, rotating connection between the fixed seat 1 and swing arm groove board 2, it is characterized in that: the fixed seat 1 is installed for the spring assembly of the door body 5 whole course opening and closing force, the variable elastic adjusting mechanism for adjusting spring assembly elastic force output is arranged between the fixed seat 1 and swing arm groove board 2, the variable elastic adjusting mechanism adjusts the elastic deformation length of spring assembly during the door body 5 opening and closing, the variable elastic adjusting mechanism includes connecting piece 4, one end of connecting piece 4 is hinged with swing arm groove board 2, the other end of connecting piece 4 is connected with spring assembly, the fixed seat 1 is provided with the guide for the displacement of the non-hinged end of connecting piece 4.

[0008] As a further scheme of the utility model, the initial end of the guide is an upwardly convex arc segment, and the deformation length of the spring assembly increases when the connecting piece 4 slides at the initial end of the guide.

[0009] As a further scheme of the utility model, the fixed seat 1 and the swing arm groove board 2 are rotatably connected with a connecting fixed shaft 14, the connecting piece 4 is provided with a sliding shaft 13 and a swing arm shaft 21, the guide includes a cam sliding groove 12, the swing arm groove board 2 and the fixed seat 1 are vertically installed, the connecting fixed shaft 14 is horizontally arranged, the swing arm groove board 2 is horizontally rotatably installed with the swing arm shaft 21, the swing arm shaft 21 is horizontally rotatably connected with the connecting piece 4 on the shaft wall, the connecting piece 4 is arranged outside the connecting fixed shaft 14, the connecting piece 4 is rotatably connected with the sliding shaft 13 at the end away from the swing arm shaft 21, the fixed seat 1 is provided with the cam sliding groove 12 on the upper and lower plate surfaces close to the swing arm groove board 2, the cam sliding groove 12 is arc-shaped and vertically arranged, the left and right ends of the sliding shaft 13 are respectively slidably arranged in the corresponding cam sliding grooves 12, the fixed seat 1 is provided with a spring assembly for applying force to the sliding shaft 13, and the spring assembly is pulled towards the extension direction of the cam sliding groove 12.

[0010] As a further scheme of the utility model, the fixed seat 1 and the swing arm groove plate 2 are rotatably connected with a connecting fixed shaft 14, the connecting piece 4 is provided with a sliding shaft 13 and a swing arm shaft 21, the guide piece comprises a protruding block 15, the protruding block 15 is integrally formed by the fixed seat 1 itself cutting and stamping inwardly, the swing arm groove plate 2 and the fixed seat 1 are vertically installed, the connecting fixed shaft 14 is horizontally arranged, the swing arm groove plate 2 is rotatably horizontally provided with the swing arm shaft 21, the swing arm shaft 21 is rotatably connected with the connecting piece 4 on the shaft wall, the connecting piece 4 is integrally arranged on the outer ring of the connecting fixed shaft 14, the end of the connecting piece 4 away from the swing arm shaft 21 is rotatably connected with the sliding shaft 13, the side of the protruding block 15 is arc-shaped and vertically arranged, the two sections of the sliding shaft 13 slide against the arc-shaped side wall of the protruding block 15, the fixed seat 1 is provided with a spring assembly for applying force to the sliding shaft 13, and the spring assembly tension extends towards the extension direction of the protruding block 15.

[0011] As a further scheme of the utility model, the spring assembly comprises a spring main body and a spring acting rod, the spring main body is arranged in the fixed seat, the fixed seat is provided with a spring mounting piece for limiting the one end of the spring main body, and the other end of the spring main body is connected with the middle position of the sliding shaft through the spring acting rod.

[0012] As a further scheme of the utility model, the connecting piece is provided with a limiting ring for limiting, the connecting piece is a U-shaped groove block, and the shaft wall of the swing arm shaft and the sliding shaft is provided with a threaded section screw-connected with the limiting ring.

[0013] As a further scheme of the utility model, a plurality of seat screw holes for conveniently adjusting the installation position are formed in the fixed seat, and a plurality of plate screw holes for installation are formed in the swing arm groove plate.

[0014] As a further scheme of the utility model, a rotating friction piece is arranged at the rotating position of the connecting fixed shaft.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The variable elastic force adjusting mechanism is arranged to optimize the rotating shaft of the hinge, the spring assembly elastic force change can follow the door body torque change through the cooperation of the connecting fixed shaft and the sliding shaft, the stable force moment state is realized, the force is uniform in the whole opening and closing process, the conventional labor-saving door opening and the effect of keeping at any angle are met, the structure is simple and durable, the practicability and universality are strong, the hinge is not only suitable for the hinge of the upturning door freezer, but also can be used for any turning appliance, such as an oven and a dish washing cabinet, the adaptability is strong, and the utility model has good market promotion.

[0017] The upwardly-tilting arc-shaped section is arranged to realize the effect that the door is easier to open at the initial stage, and does not affect the subsequent relative change function design.

[0018] The rotating friction part is mainly used for assisting hovering and ensuring the stability of hovering. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is the elevation sectional view of the present utility model;

[0021] Figure 2 It is the structural schematic view when the present utility model case is on the door body;

[0022] Figure 3 It is Figure 2 the rear side schematic view;

[0023] Figure 4 It is the structural schematic view when the door body is opened to 25 degrees;

[0024] Figure 5 It is the structural schematic view when the door body is opened to 86 degrees;

[0025] Figure 6 It is the structural schematic view when the present utility model adopts the tension spring;

[0026] Figure 7 It is the torque diagram generated by the spring assembly in the door body opening process;

[0027] Figure 8 It is the torque change diagram of the door body in the opening process;

[0028] Figure 9 It is the change diagram of the combined torque of the spring assembly and the door body in the door body opening process;

[0029] Figure 10 It is the structural schematic view of the fixing seat when the present utility model adopts the protruding block to replace the cam sliding groove.

[0030] In the drawings, the component list represented by each sign is as follows:

[0031] The fixed seat 1, the spring mounting piece 10, the seat screw hole 11, the cam sliding groove 12, the sliding shaft 13, the connecting fixed shaft 14, the protruding block 15, the swing arm slot plate 2, the plate screw hole 20, the swing arm shaft 21, the spring body 3, the spring acting rod 30, the connecting piece 4, the limiting ring 40, and the door body 5. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. EMBODIMENT

[0033] Please refer to Figures 1-9 The present application provides a technical solution:

[0034] The ice cabinet full-range hovering power-assisted hinge comprises a fixed seat 1 fixedly installed on a cabinet body and a swing arm slot plate 2 fixedly installed on a door body 5, and the fixed seat 1 and the swing arm slot plate 2 are rotationally connected. The fixed seat 1 is provided with a spring assembly for applying force to the door body 5 during full-range opening and closing. A variable spring force adjusting mechanism is arranged between the fixed seat 1 and the swing arm slot plate 2 for adjusting the spring force output of the spring assembly. The variable spring force adjusting mechanism adjusts the elastic deformation length of the spring assembly during the opening and closing of the door body 5. The variable spring force adjusting mechanism comprises a connecting piece 4, one end of the connecting piece 4 is hingedly connected to the swing arm slot plate 2, and the other end of the connecting piece 4 is connected to the spring assembly. The fixed seat 1 is provided with a guide for driving the non-hinged end of the connecting piece 4 to displace. The change value of the torque during the opening and closing of the door body 5 is equal to the change value of the spring force of the spring assembly. The combined torque of the spring assembly and the door body 5 is a relative constant value.

[0035] The fixed base 1 and the swing arm groove plate 2 are rotatably connected by a connecting fixed shaft 14. The connecting member 4 is provided with a sliding shaft 13 and a swing arm shaft 21. The guide includes a cam groove 12. The swing arm groove plate 2 and the fixed base 1 are both installed vertically. The connecting fixed shaft 14 is set in a horizontal direction. The swing arm groove plate 2 is rotatably mounted with the swing arm shaft 21. The swing arm shaft 21 is rotatably connected to the shaft wall of the swing arm shaft 21. The connecting member 4 is integrally set on the outer ring of the connecting fixed shaft 14. The end of the connecting member 4 away from the swing arm shaft 21 is rotatably connected to the sliding shaft 13. The fixed base 1 has cam grooves 12 on the upper and lower plates near the swing arm groove plate 2. The cam grooves 12 are arc-shaped and vertically set. The left and right ends of the sliding shaft 13 are respectively slidably locked in the corresponding cam grooves 12. The fixed base 1 is provided with a spring assembly for applying force to the sliding shaft 13. The tension of the spring assembly is in the direction of extension of the cam groove 12.

[0036] At work, such as Figure 1 As shown, this state is the closed state of door 5, that is, the opening angle is zero degrees. At this time, the sliding shaft 13 is stuck at the top position of the cam slide groove 12, the cam slide groove 12 extends downward, the tension of the spring assembly is downward, the fixed axis of the fixed seat 1 and the swing arm groove plate 2 is the connecting fixed axis 14, the spring assembly presses down on the sliding shaft 13, and the door 5 connected to the swing arm groove plate 2 has a tendency to open upward. Thus, during the opening stage, the spring assembly provides an outward opening force to the door 5, making opening the door easier. After the door 5 is opened, at this time... As the sliding shaft 13 slides downward within the cam groove 12, the extension and retraction of the spring assembly decreases, resulting in a decrease in spring force. Simultaneously, the opening angle of the door 5 increases, reducing the rotational torque. The change in spring force follows the change in torque of the door 5. Therefore, the combined torque of the spring assembly and the door 5 is a relatively constant value. This relative constant value is within a relative error range, not an absolute constant value. This is primarily due to the influence of the frictional connection relationship between the components. Current technology cannot meet the requirement of an absolute constant value, and the data measured in real-time cannot be perfectly consistent. Figure 9 As shown, the resultant torque is a relatively stable constant range. Excluding the initial opening stage of 0-25 degrees and the stage of maximum opening of 86 degrees, the relatively constant range during the opening and closing process is 0-120 mmN. This ensures that the magnitude of the force applied during the opening of the door 5 remains relatively constant, preventing the door 5 from being quickly pushed open as the opening angle increases, and also preventing the resultant torque from being inconsistent at any opening angle, thus avoiding the problem of frictional holding. The full-range angle holding effect of the door 5 can be achieved by using a smaller constant friction component, making it more convenient to set up and easier to open and close.

[0037] Therefore, the variable elastic force adjustment mechanism of this utility model optimizes the rotation axis of the hinge. By connecting the fixed axis 14 and the sliding axis 13, the elastic force of the spring assembly can follow the change of the torque of the door body 5, so as to achieve a stable fixed value of the resultant torque. The force is applied evenly throughout the opening and closing process, and it also meets the conventional effects of effortless door opening and holding at any angle. The structure is simple and durable, with strong practicality and versatility. It is not only suitable for the hinge of the top-opening freezer, but also for appliances that can be opened and closed at any time, such as ovens and dishwashers. It has strong adaptability and good market promotion potential.

[0038] Wherein, the initial end of the guide is an upward arc segment, and when the connecting member 4 slides at the initial end of the guide, the deformation length of the spring assembly increases, that is, the initial end of the cam groove 12 is an upward arc segment, and when the sliding shaft 13 slides at the initial end of the cam groove 12, the deformation length of the spring assembly increases.

[0039] During operation, the upward-curved segment is mainly used in the small opening and closing angle range to increase the spring force output of the spring assembly, further facilitating the opening of the door 5. For example... Figure 7 As shown, within the 0-25 degree range, the torque generated by the spring increases. Correspondingly, within the 0-25 degree range, the torque generated by the door body 5 changes less, remaining at a relatively high torque. When the door body 5 is opened to 25 degrees, as... Figure 4 As shown, after 25 degrees, the torque generated by door 5 begins to decrease rapidly. Here, the maximum opening angle is set to 86 degrees. Figure 5 As shown, at this time, the sliding shaft 13 moves to the lowest end of the cam groove 12, which can stably support and maintain the angle. Therefore, corresponding to the weight of the door body 5, as... Figure 8 As shown, the design features an upward-curving segment, which makes the door easier to open in the initial stage without affecting the subsequent functional design. It should be noted that the door body 5 here is an unconventional width for the sake of graphic display; the actual width and length of the door body 5 are much greater.

[0040] Among them, the connecting part 4 is provided with a limiting ring 40 for limiting the position. The connecting part 4 is a U-shaped groove block. The shaft walls of the swing arm shaft 21 and the sliding shaft 13 are both provided with threaded sections that are threadedly connected to the limiting ring 40.

[0041] During operation, the limit ring 40 can be tightened at different positions corresponding to the sliding shaft 13 and the swing arm shaft 21 to determine the overall position of the 4.

[0042] The fixed base 1 has multiple seat screw holes 11 for easy adjustment of the installation position, and the swing arm slot plate 2 has multiple plate screw holes 20 for installation.

[0043] In operation, the swing arm groove plate 2 is first bolted and positioned, and then the mounting position of the fixing seat 1 on the cabinet body is adjusted, and the seat screw hole 11 facilitates the adjustment of the specific mounting position of the fixing seat 1. Embodiment

[0044] The difference between this embodiment and embodiment 1 is that:

[0045] The spring assembly includes a spring body 3 and a spring acting rod 30, the spring body 3 is built in the fixing seat 1, the fixing seat 1 is provided with a spring mounting piece 10 for limiting and connecting one end of the spring body 3, and the other end of the spring body 3 is connected with the middle part of the sliding shaft 13 through the spring acting rod 30;

[0046] In operation, the spring acting rod 30 is an elastic deformation section, used to apply an elastic force to the sliding shaft 13 from the middle part of the sliding shaft 13, so as to apply an acting force to the sliding shaft 13 during the rotation of the door body 5, and cooperate with the sliding of the sliding shaft 13 in the cam sliding groove 12, Figure 1 The spring body 3 is a compression spring, Figure 6 and the other end is a tension spring.

[0047] The connecting fixed shaft 14 is provided with a rotating friction piece at the rotating position;

[0048] In operation, the rotating friction piece is mainly used to assist hovering and ensure the stability of hovering, and the rotating friction piece can be a conventional rubber or other component with friction function, which will not be described here. Embodiment

[0049] As shown in Figure 10 The difference between this embodiment and embodiment 1 is that:

[0050] The connecting fixed shaft 14 is rotatably connected between the fixing seat 1 and the swing arm groove plate 2, the connecting piece 4 is provided with the sliding shaft 13 and the swing arm shaft 21, the guide piece includes a protruding block 15, the protruding block 15 is integrally formed by cutting and stamping inward from the fixing seat 1 itself, the swing arm groove plate 2 and the fixing seat 1 are vertically installed, the connecting fixed shaft 14 is horizontally arranged, the swing arm groove plate 2 is horizontally rotatably provided with the swing arm shaft 21, the connecting piece 4 is horizontally rotatably connected to the shaft wall of the swing arm shaft 21, the connecting piece 4 is arranged outside the connecting fixed shaft 14, the end of the connecting piece 4 away from the swing arm shaft 21 is horizontally rotatably connected with the sliding shaft 13, the side of the protruding block 15 is arc-shaped and vertically arranged, the two sections of the sliding shaft 13 are slidably arranged on the arc-shaped side wall of the protruding block 15, the fixing seat 1 is provided with a spring assembly for applying a force to the sliding shaft 13, and the spring assembly is arranged in the extending direction of the protruding block 15;

[0051] When working, the convex block 15 is arranged to directly replace or equal the effect of the cam sliding groove 12, and is also arranged to guide the sliding of the sliding shaft 13, and the purpose of the arrangement is that the cam sliding groove 12 needs to be finely machined on the inner wall, and the requirement is high, while the convex block 15 only needs to be laser cut on one side and polished on one side, and finally punched to be arranged in the fixed seat 1, due to the movement direction and rotation mode of the sliding shaft 13, the shaft wall of the sliding shaft 13 abuts against the side wall of the convex block 15, and the precise guiding effect can be achieved, and the machining of the arc surface is more precise and fast.

[0052] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A full-range suspension assisting hinge for a freezer, comprising a fixed seat (1) fixedly installed on a cabinet body and a swing arm groove plate (2) fixedly installed on a door body (5), the fixed seat (1) and the swing arm groove plate (2) being rotationally connected, characterized in that: The fixed seat (1) is provided with a spring assembly for applying force to the door body (5) during the whole opening and closing process, a variable elastic force adjusting mechanism is arranged between the fixed seat (1) and the swing arm slot plate (2) for adjusting the elastic force output of the spring assembly, the variable elastic force adjusting mechanism adjusts the elastic deformation length of the spring assembly during the opening and closing process of the door body (5), the variable elastic force adjusting mechanism comprises a connecting piece (4), one end of the connecting piece (4) is hinged to the swing arm slot plate (2), the other end of the connecting piece (4) is connected to the spring assembly, and the fixed seat (1) is provided with a guide for driving the non-hinged end of the connecting piece (4) to displace.

2. The full range hover assist hinge for a freezer as defined in claim 1, wherein: The initial end of the guide is an upwardly arched segment, and when the connecting piece (4) slides at the initial end of the guide, the deformation length of the spring assembly increases.

3. The full range hover assist hinge for a freezer as defined in claim 2, wherein: The fixed seat (1) and the swing arm slot plate (2) are rotatably connected by a connecting fixed shaft (14), the connecting piece (4) is provided with a sliding shaft (13) and a swing arm shaft (21), the guide comprises a cam sliding groove (12), the swing arm slot plate (2) and the fixed seat (1) are vertically installed, the connecting fixed shaft (14) is arranged in a transverse direction, the swing arm slot plate (2) is rotatably transversely installed with the swing arm shaft (21), the swing arm shaft (21) is transversely rotatably connected with the connecting piece (4) on the shaft wall, the connecting piece (4) is arranged outside the connecting fixed shaft (14), one end of the connecting piece (4) away from the swing arm shaft (21) is transversely rotatably connected with the sliding shaft (13), the fixed seat (1) is provided with a cam sliding groove (12) on the upper and lower plate surfaces close to the swing arm slot plate (2), the cam sliding groove (12) is arc-shaped and vertically arranged, the left and right ends of the sliding shaft (13) are respectively slidably clamped in the corresponding cam sliding grooves (12), the fixed seat (1) is provided with a spring assembly for applying force to the sliding shaft (13), and the pulling force of the spring assembly extends in the direction of the cam sliding groove (12).

4. The full range hover assist hinge for a freezer as defined in claim 2, wherein: The fixed seat (1) and the swing arm groove plate (2) are rotatably connected with a connecting fixed shaft (14), the connecting piece (4) is provided with a sliding shaft (13) and a swing arm shaft (21), the guide piece includes a protruding block (15), the protruding block (15) is integrally formed by cutting and punching inward from the fixed seat (1) itself, the swing arm groove plate (2) and the fixed seat (1) are vertically installed, the connecting fixed shaft (14) is horizontally arranged, the swing arm groove plate (2) is rotatably horizontally installed with the swing arm shaft (21), the swing arm shaft (21) is rotatably connected with the connecting piece (4) on the shaft wall, the connecting piece (4) is integrally arranged on the outer ring of the connecting fixed shaft (14), the end of the connecting piece (4) away from the swing arm shaft (21) is rotatably connected with the sliding shaft (13), the side of the protruding block (15) is arc-shaped and vertically arranged, the two sections of the sliding shaft (13) are slidably arranged on the arc-shaped side wall of the protruding block (15), the fixed seat (1) is provided with a spring assembly for applying force to the sliding shaft (13), and the spring assembly is pulled towards the extension direction of the protruding block (15).

5. A full range of motion assist hinge for a freezer as claimed in claim 3 or 4 wherein: The spring assembly includes a spring body (3) and a spring acting rod (30), the spring body (3) is arranged in the fixed seat (1), the fixed seat (1) is provided with a spring mounting piece (10) for limiting the one end of the spring body (3), and the other end of the spring body (3) is connected with the middle position of the sliding shaft (13) through the spring acting rod (30).

6. The full range hover assist hinge for a freezer as defined in claim 2, wherein: The connecting piece (4) is provided with a limiting ring (40) for limiting, and the connecting piece (4) is a U-shaped groove block.

7. The full range hover assist hinge for a freezer as set forth in claim 1, wherein: The fixed seat (1) is provided with a plurality of seat screw holes (11) for conveniently adjusting the installation position, and the swing arm groove plate (2) is provided with a plurality of plate screw holes (20) for installation.

8. The full range of motion assist hinge for a freezer door of claim 1, wherein: The fixed seat (1) and the swing arm groove plate (2) are rotatably connected with a connecting fixed shaft (14), and the connecting fixed shaft (14) is provided with a rotating friction piece at the rotating position.

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