Door hinge with assisted closing function

Abstract

The utility model relates to the technical field of home appliance hinge, specifically relates to a door hinge with the function of helping to close, including machine door piece, two first fixed axle, machine body piece, first connecting rod, second connecting rod, spring, second fixed axle, third fixed axle and locking assembly, two first fixed axle and machine door piece sliding connection, second fixed and third fixed axle all are with machine body piece sliding connection, one end of first connecting rod and second connecting rod is respectively with two first fixed axle rotation connection, the other end of first connecting rod and second connecting rod is respectively with second fixed axle and third fixed axle rotation connection, one end of spring is fixed with first connecting rod, the other end of spring is with locking assembly clamping, through the setting of above -mentioned structure, the existing refrigerator door hinge has solved, mostly uses multi connecting rod structure, owing to its connecting machine body and machine door's intermediate part number is more, the structure is complex, the cost is high, the problem of the higher requirement to installation accuracy.

Description

Technical Field

[0001] This utility model relates to the field of home appliance hinge technology, and in particular to a door hinge with an assist closing function. Background Technology

[0002] The refrigerator door hinge is a key component connecting the refrigerator door to the refrigerator body. Its core function is to ensure the stability, flexibility, and sealing performance of the refrigerator door.

[0003] Most existing refrigerator door hinges use a multi-link structure. Due to the large number of intermediate parts connecting the body and the door, the structure is complex, the cost is high, and the installation accuracy requirements are high. Utility Model Content

[0004] The purpose of this utility model is to provide a door hinge with an auxiliary closing function, which solves the problem that most existing refrigerator door hinges use a multi-link structure, which has a large number of intermediate parts connecting the body and the door, resulting in a complex structure, high cost, and high installation accuracy requirements.

[0005] To achieve the above objectives, this utility model provides a door hinge with an auxiliary closing function, comprising a door mechanism, two first fixed shafts, a body component, a first connecting rod, a second connecting rod, a spring, a second fixed shaft, a third fixed shaft, and a locking assembly. The two first fixed shafts are slidably connected to the door mechanism and located inside the door mechanism. The second and third fixed shafts are both slidably connected to the body component and located inside the body component. One end of the first and second connecting rods is rotatably connected to the two first fixed shafts and respectively covers the surface of the two first fixed shafts. The other end of the first and second connecting rods is rotatably connected to the second and third fixed shafts and respectively covers the surface of the second and third fixed shafts. The spring covers the surface of the second fixed shaft. One end of the spring is fixedly connected to the first connecting rod, and the other end of the spring is engaged with the locking assembly. The locking assembly is disposed above the first connecting rod.

[0006] The locking assembly includes a clutch pin and a locking plate. The locking plate covers the surface of the second fixed shaft and is located above the first connecting rod. The clutch pin is slidably connected to the locking plate and is located above the locking plate.

[0007] The first connecting rod and the body component are provided with slots on their surfaces, and the slots are adapted to the clutch pin.

[0008] The surface of the first connecting rod is provided with a sliding groove, which is adapted to the spring.

[0009] Both the first connecting rod and the second connecting rod have C-shaped cross-sections.

[0010] This utility model discloses a door hinge with an auxiliary closing function. Two first fixed shafts are slidably connected to the door mechanism and located inside the door mechanism. The second and third fixed shafts are both slidably connected to the body mechanism and located inside the body mechanism. One end of the first and second connecting rods is rotatably connected to the two first fixed shafts and respectively covers the surface of the two first fixed shafts. The other ends of the first and second connecting rods are rotatably connected to the second and third fixed shafts respectively and respectively cover the surface of the second and third fixed shafts. A spring covers the surface of the second fixed shaft. One end of the spring is fixedly connected to the first connecting rod, and the other end of the spring is engaged with the locking assembly. The locking assembly is located above the first connecting rod. During the opening of the door, the door mechanism rotates accordingly, and the first and second connecting rods rotate accordingly. The spring stores energy, and the door continues to open. When it passes the endpoint of the auxiliary closing section, the locking assembly engages with the body component to achieve energy storage and locking. When closing the door, during the process of passing the endpoint of the auxiliary closing section, the locking assembly disengages from the body component and connects with the first connecting rod, entering the auxiliary closing section. The door closes faster under the action of the spring force. Optionally, a damper can be provided in the linkage mechanism to achieve a buffered slow closing effect. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of the door hinge with assisted closing function of this utility model.

[0013] Figure 2 This is a schematic diagram of the disassembly mechanism of the door hinge with auxiliary closing function of this utility model.

[0014] 1-Machine door component, 2-First fixed shaft, 3-Machine body component, 4-First connecting rod, 5-Second connecting rod, 6-Spring, 7-Second fixed shaft, 8-Third fixed shaft, 9-Clutch pin, 10-Clamping plate, 11-Clamping groove, 12-Slide groove. Detailed Implementation

[0015] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0016] Please see Figures 1 to 2 This utility model provides a door hinge with an auxiliary closing function, including a door mechanism 1, two first fixed shafts 2, a body 3, a first connecting rod 4, a second connecting rod 5, a spring 6, a second fixed shaft 7, a third fixed shaft 8, and a locking assembly. The two first fixed shafts 2 are slidably connected to the door mechanism 1 and located inside the door mechanism 1. The second and third fixed shafts 8 are both slidably connected to the body 3 and located inside the body 3. One end of the first connecting rod 4 and the second connecting rod 5 are rotatably connected to the two first fixed shafts 2 and respectively cover the surface of the two first fixed shafts 2. The other end of the first connecting rod 4 and the second connecting rod 5 are rotatably connected to the second fixed shaft 7 and the third fixed shaft 8 respectively and respectively cover the surface of the second fixed shaft 7 and the third fixed shaft 8. The spring 6 covers the surface of the second fixed shaft 7. One end of the spring 6 is fixedly connected to the first connecting rod 4, and the other end of the spring 6 is engaged with the locking assembly. The locking assembly is located above the first connecting rod 4.

[0017] In this embodiment, during the opening process of the door, the door component 1 rotates accordingly, the first connecting rod 4 and the second connecting rod 5 rotate accordingly, the spring 6 stores energy, and the door continues to open. When it passes the endpoint of the auxiliary closing section, the locking component engages with the body component 3 to achieve energy storage and locking. When closing the door, during the process of passing the endpoint of the auxiliary closing section, the locking component disengages from the body component 3 and connects with the first connecting rod 4, entering the auxiliary closing section. The door closes faster under the force of the spring 6. Optionally, a damper can be provided in the linkage mechanism to achieve a buffered slow closing effect.

[0018] Furthermore, the locking assembly includes a clutch pin 9 and a locking plate 10. The locking plate 10 covers the surface of the second fixed shaft 7 and is located above the first connecting rod 4. The clutch pin 9 is slidably connected to the locking plate 10 and is located above the locking plate 10.

[0019] In this embodiment, during the door opening process, from the closed position to the endpoint of the auxiliary closing section, the clutch pin 9 connects the locking plate 10 and the first connecting rod 4, and the spring 6 stores energy; as the door continues to open, when it passes the endpoint of the auxiliary closing section, the clutch pin 9 disengages from the first connecting rod 4 and connects the locking plate 10 to the body component 3, achieving energy storage and locking; from passing the endpoint of the auxiliary closing section until the door is fully open, the state of the locking plate 10 remains unchanged; during the door closing process, from the fully open position to the endpoint of the auxiliary closing section, the state of the locking plate 10 remains unchanged; during the process of passing the endpoint of the auxiliary closing section, the clutch pin 9 disengages from the body component 3 and connects to the first connecting rod 4, entering the auxiliary closing section, and the door accelerates to close under the force of the spring 6.

[0020] Furthermore, the surfaces of the first connecting rod 4 and the body component 3 are provided with slots 11, which are adapted to the clutch pin 9.

[0021] In this embodiment, during the door movement, the clutch pin 9 moves and engages with the corresponding slot 11.

[0022] Furthermore, the surface of the first connecting rod 4 is provided with a sliding groove 12, which is adapted to the spring 6.

[0023] In this embodiment, one end of the spring 6 passes through the groove 12 for easy installation.

[0024] Furthermore, the cross-sections of both the first link 4 and the second link 5 are C-shaped.

[0025] In this embodiment, the weight of the first connecting rod 4 and the second connecting rod 5 is reduced, saving materials.

[0026] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A door hinge with an auxiliary closing function, characterized in that, The device includes a door assembly, two first fixed shafts, a body assembly, a first connecting rod, a second connecting rod, a spring, a second fixed shaft, a third fixed shaft, and a locking assembly. The two first fixed shafts are slidably connected to the door assembly and located inside the door assembly. The second and third fixed shafts are both slidably connected to the body assembly and located inside the body assembly. One end of the first and second connecting rods is rotatably connected to the two first fixed shafts and covers the surfaces of the first fixed shafts. The other ends of the first and second connecting rods are rotatably connected to the second and third fixed shafts and cover the surfaces of the second and third fixed shafts, respectively. The spring covers the surface of the second fixed shaft. One end of the spring is fixedly connected to the first connecting rod, and the other end of the spring is engaged with the locking assembly. The locking assembly is located above the first connecting rod.

2. The door hinge with assisted closing function as described in claim 1, characterized in that, The locking assembly includes a clutch pin and a locking plate. The locking plate covers the surface of the second fixed shaft and is located above the first connecting rod. The clutch pin is slidably connected to the locking plate and is located above the locking plate.

3. The door hinge with assisted closing function as described in claim 2, characterized in that, The first connecting rod and the body component are provided with slots on their surfaces, and the slots are adapted to the clutch pin.

4. The door hinge with assisted closing function as described in claim 3, characterized in that, The surface of the first connecting rod is provided with a sliding groove, which is adapted to the spring.

5. The door hinge with assisted closing function as described in claim 4, characterized in that, Both the first connecting rod and the second connecting rod have C-shaped cross-sections.

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