CN216788102U

CN216788102U - Combined hinge for freezer

Info

Publication number: CN216788102U
Application number: CN202120502209.3U
Authority: CN
Inventors: 胡涛; 张翔; 杨文明; 周琦
Original assignee: Jiangsu Saca Precision Technology Co ltd
Current assignee: Jiangsu Jiuxing Precision Technology Group Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-06-21
Anticipated expiration: 2031-03-09

Abstract

The utility model provides a combined hinge for a refrigerator, which comprises a hinge combined part, wherein the hinge combined part comprises a buffering hinge and an elastic hinge, the buffering hinge comprises a buffering hinged support, a buffering hinged arm and a damping transmission part, the elastic hinge comprises a connecting hinged support, a connecting hinged arm and an elastic transmission part, the buffering hinged support and the connecting hinged support are arranged on a refrigerator body side by side, the buffering hinged arm and the connecting hinged arm are arranged on the refrigerator body side by side and are respectively connected with the buffering hinged support and the connecting hinged support through a buffering main shaft and a connecting main shaft, a fixed part of the damping transmission part is clamped on the buffering hinged support, the buffering hinged arm is provided with a swinging shaft, the elastic lower end of the elastic transmission part slides up and down on the connecting hinged support, and the connecting hinged arm is provided with a connecting shaft. Simple structure, the operation is stable, and realizes helping hand, damping buffering and hovering's effect by a wide margin in limited space, promotes the use quality.

Description

Combined hinge for freezer

Technical Field

The utility model relates to the technical field of refrigerator hinges, in particular to a combined hinge for a refrigerator.

Background

At present, the refrigerator hinge generally adopts the spring compression to support the strength of a door body to realize that the refrigerator door body rotates to open or close, and it has good closure performance, advantages such as rotational stability height.

However, the existing freezer hinges have the following disadvantages in practical application:

1) because the load of the refrigerator door body is different, especially heavy load refrigerator door body to need the spring of the great elasticity of hinge mount in order to support the door body, lead to hinge structure complicated, increase the hinge volume, when the refrigerator door body is opened certain angle simultaneously, under the elastic action of spring, produce great impact force easily, damage refrigerator and hinge, reduce the life of product.

2) The traditional refrigerator hinge is difficult to realize the hovering of the door body greatly, and the using effect is not good.

3) Traditional refrigerator-freezer hinge needs great external force of the rotation refrigerator-freezer door body when the load is heavier, and the operation is inconvenient, and simultaneously after the refrigerator-freezer door body closes, traditional refrigerator-freezer hinge has great space, and closure performance is relatively poor, leads to accumulations such as steam, dirt again easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a combined hinge for a refrigerator, which is simple in structure and stable in operation, achieves power assisting and damping buffering in a limited space, has a large hovering effect, and improves the use quality of products.

The utility model aims to realize the following steps: a combined hinge for a freezer comprises a hinge combined part connected between a freezer door body and a freezer cabinet body, wherein the hinge combined part comprises a buffering hinge with the functions of boosting, damping and hovering and an elastic hinge with the functions of boosting and hovering, the buffering hinge comprises a buffering hinged support, a buffering hinged arm and a damping transmission part, the elastic hinge comprises a connecting hinged support, a connecting hinged arm and an elastic transmission part, the buffering hinged support and the connecting hinged support are arranged on the freezer cabinet body side by side, the buffering hinged arm and the connecting hinged arm are arranged on the freezer door body side by side and are respectively connected with the buffering hinged support and the connecting hinged support through a buffering main shaft and a connecting main shaft, a fixed part of the damping transmission part is clamped on the buffering hinged support, the buffering hinged arm is provided with a swinging shaft connected with a push rod of the damping transmission part in a rotating and sliding manner, and the elastic lower end of the elastic transmission part slides up and down on the connecting hinged support, the connecting hinged arm is provided with a connecting shaft which is rotationally and slidably connected with the elastic upper end of the elastic transmission component.

Optimize according to the aforesaid, damping transmission part includes buffering attenuator, joint seat, transmission cover, the joint seat joint is at buffering free bearing, transmission cover slip dress is on buffering attenuator, and the cylinder body positioning connection of buffering attenuator is at the joint seat, and the catch bar positioning connection of buffering attenuator is in the transmission cover, and the location end joint of transmission cover is on the oscillating axle and with the rotatory sliding connection of oscillating axle, the oscillating axle establish at the swing end of buffering pivoted arm and with buffering free bearing sliding connection.

According to the optimization, the top end of the transmission sleeve is provided with a V-shaped clamping position and a V-shaped clamping block which are connected with the swinging shaft in a rotating and sliding mode, the V-shaped clamping position is provided with a transmission convex block penetrating through the V-shaped clamping block, and the swinging shaft is provided with an orientation groove used for connecting the swinging shaft with the transmission convex block in an orientation and sliding mode.

Optimize according to the aforesaid, the joint seat be equipped with the guide post that distributes in the left and right sides of buffer damper, the transmission cover is equipped with the guiding hole with guide post sliding connection.

According to the optimization, the elastic transmission part comprises a transmission rod, a spiral spring and a connecting clamping seat, the connecting clamping seat is clamped at the lower end part of the connecting hinged seat, the spiral spring is sleeved on the transmission rod, two ends of the spiral spring are respectively pressed on the connecting clamping seat and the transmission rod, the lower end of the transmission rod moves up and down on the connecting clamping seat under the action of the spiral spring, and the connecting hinged arm is provided with a connecting shaft which is elastically connected with the transmission rod under the action of the spiral spring.

According to the optimization, the top end of the transmission rod is provided with an arc clamping position in rotary sliding connection with the connecting shaft, the arc clamping position is provided with a transmission convex edge, and the connecting shaft is provided with a guide groove in directional sliding connection with the transmission convex edge.

According to the optimization, the upper limit block is sleeved on the transmission rod, the lower limit block is installed on the connecting clamping seat, the lower limit block is provided with a through hole facilitating the upper end of the transmission rod to slide up and down, and the upper elastic end and the lower elastic end of the spiral spring are respectively connected with the upper limit block and the lower limit block.

According to the optimization, the swinging shaft and the connecting shaft are respectively set as a swinging knurling shaft and a connecting knurling shaft, and knurling parts connected with the buffering hinged arm and the connecting hinged arm are respectively arranged at the ends of the swinging knurling shaft and the connecting knurling shaft.

According to the optimization, the buffer hinge arm and the connecting hinge arm are respectively provided with limiting arc grooves for limiting the swing amplitude, and the swing shaft and the two ends of the connecting shaft are respectively in sliding connection with the corresponding limiting arc grooves.

The utility model has the advantages that:

1) the freezer adopts the combined installation mode of the buffering hinge and the elastic hinge, thereby effectively simplifying the structure and reducing the internal volume.

2) The structure cooperation of adopting buffering hinge and elasticity hinge, when the refrigerator-freezer door body was opened certain angle, buffering hinge and elasticity hinge can produce frictional force, realized the refrigerator-freezer door body function of hovering, and frictional force can be along with the rotatory pressure that receives of the door body and change to the increase amplitude of hovering.

3) By adopting the buffering hinge and the elastic hinge, when the refrigerator door body is opened and closed, the buffering hinge can generate damping force, the elastic hinge can generate rebound force, the impact force of the door body is effectively buffered, and the service life of a product is prolonged.

4) Adopt the structure cooperation of buffering hinge and elasticity hinge, when closing angle or opening angle crossed the range of hovering, buffering hinge and elasticity hinge can produce the helping hand, realize closing automatically, convenient operation promotes the smooth and easy degree of feeling of opening and shutting the motion of refrigerator door body in-process.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

FIG. 2 is a schematic view of a buffering hinge according to a preferred embodiment of the present invention.

FIG. 3 is a cross-sectional view of a cushioning hinge according to a preferred embodiment of the present invention.

FIG. 4 is an exploded view of a cushioning hinge according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view of an elastic hinge according to a preferred embodiment of the present invention.

FIG. 6 is a cross-sectional view of a preferred embodiment of the elastic hinge of the present invention.

Fig. 7 is an exploded view of the elastic hinge according to the preferred embodiment of the present invention.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 7, the combination hinge for the refrigerator according to the present invention comprises a hinge combination part connected between a refrigerator door body 1 and a refrigerator body 2. The hinge composite member is including the buffering hinge 3 that has helping hand, damping, the function of hovering and the elasticity hinge 4 that has helping hand, the function of hovering, buffering hinge 3 is including buffering free bearing 31, buffering hinge arm 32, damping drive disk assembly 33, elasticity hinge 4 is including connecting free bearing 41, connecting hinge arm 42, elasticity drive disk assembly 43, buffering free bearing 31, connecting free bearing 41 are installed on the refrigerator-freezer cabinet body 2 side by side, buffering hinge arm 32, connecting hinge arm 42 are installed on the refrigerator-freezer door body 1 side by side and through buffering main shaft 5, connecting main shaft 6 respectively with buffering free bearing 31, connecting free bearing 41 hub connection. The fixed part of the damping transmission part 33 is clamped on the buffering hinge seat 31, and the buffering hinge arm 32 is provided with a swinging shaft 7 which is rotationally and slidably connected with the push rod of the damping transmission part 33. The elastic lower end of the elastic transmission component 43 slides up and down on the connecting hinge base 41, and the connecting hinge arm 42 is provided with a connecting shaft 8 which is rotationally and slidably connected with the elastic upper end of the elastic transmission component 43.

The combined installation of the buffering hinge 3 and the elastic hinge 4 effectively simplifies the installation structure, reduces the internal volume of the freezer, and reduces the gap between the freezer body 2 and the door body 1 of the freezer. In addition, the power assisting and damping buffering can be realized in a limited space, the hovering effect is greatly improved, and the use quality of the freezer is improved.

Referring to fig. 2 to 4, in an optimized scheme, the damping transmission part 33 comprises a buffer damper 331, a clamping seat 332 and a transmission sleeve 333. The clamping seat 332 is clamped on the buffer hinged seat 31, the transmission sleeve 333 is arranged on the buffer damper 331 in a sliding mode, a cylinder body of the buffer damper 331 is connected to the clamping seat 332 in a positioning mode, a push rod of the buffer damper 331 is connected in the transmission sleeve 333 in a positioning mode, a positioning end of the transmission sleeve 333 is clamped on the swinging shaft 7 and connected with the swinging shaft 7 in a rotating and sliding mode, and the swinging shaft 7 is arranged at a swinging end of the buffer hinged arm 32 and connected with the buffer hinged seat 31 in a sliding mode.

Referring to fig. 5 to 7, the elastic transmission member 43 includes a transmission rod 431, a coil spring 432, and a connection clamping seat 433. The connecting clamping seat 433 is clamped at the lower end of the connecting hinged support 41, and the spiral spring 432 is sleeved on the transmission rod 431, and two ends of the spiral spring respectively press against the connecting clamping seat 433 and the transmission rod 431. The lower end of the transmission rod 431 moves up and down on the connecting clamping seat 433 under the action of the spiral spring 432, and the connecting hinged arm 42 is provided with a connecting shaft 8 which is elastically connected with the transmission rod 431 under the action of the spiral spring 432.

Referring to fig. 1 to 7, a V-shaped detent 34 and a V-shaped latch 36 rotatably and slidably connected to the swing shaft 7 are disposed at the top end of the driving sleeve 333, the V-shaped detent 34 is provided with a driving protrusion 35 penetrating through the V-shaped latch 36, and the swing shaft 7 is provided with an orientation groove 71 for directionally and slidably connecting to the driving protrusion 35. The top end of the transmission rod 431 is provided with an arc clamping position 44 and an arc clamping block 46 which are connected with the connecting shaft 8 in a rotating and sliding manner, the arc clamping position 44 is provided with a transmission convex edge 45 penetrating through the arc clamping block 46, and the connecting shaft 8 is provided with a guide groove 81 used for directionally and slidably connecting with the transmission convex edge 45.

When the refrigerator door 1 is in a closed state, the resistance of the buffer damper 331 is transmitted to the swing shaft 7 through the transmission sleeve 333, so that the buffer hinge 3 forms a door force value. The elastic action of the helical spring 432 is transmitted to the connecting shaft 8 via the transmission rod 431, so that the elastic hinge 4 develops the relevant door force value. At the moment, the door closing force arms of the buffering hinge 3 and the elastic hinge 4 are the largest, the largest door closing force is ensured, the closing performance is enhanced, water vapor, dirt and the like are prevented from accumulating, and the use quality of the freezer is ensured.

When the refrigerator door body 1 is opened and closed to a certain angle, for example, the buffer hinge arm 32 and the connecting hinge arm 42 respectively rotate at 40-135 degrees, the transmission convex block 35 of the transmission sleeve 333 is in arc surface sliding connection with the orientation groove 71 of the swing shaft 7, and simultaneously, under the resistance action of the buffer damper 331, the stress of the buffer hinge arm 32 and the resistance of the buffer damper 331 are in a balanced state. Meanwhile, the driving flange 45 of the driving rod 431 is slidably coupled to the guide groove 81 of the connecting shaft 8, and the elastic force of the coil spring 432 is balanced with the force applied to the connecting hinge arm 42. Like this, under the structure of the combination hinge of combining buffering hinge 3 and elasticity hinge 4, realize that refrigerator door hovers under the open mode, convenient operation adapts to the user demand.

When the refrigerator door body 1 is closed to a certain angle, for example, when the swinging arm is 10-40 degrees, the transmission lug 35 of the transmission sleeve 333 is rotatably and slidably connected with the orientation groove 71, and a rotating force arm is generated under the damping action of the buffer damper 331, so that the door closing assisting force is provided for the buffer hinge arm 32. Meanwhile, the transmission convex edge 45 of the transmission rod 431 is rotatably and slidably connected with the guide groove 81, and a rotary force arm is generated under the elastic action of the spiral spring 432, so that door closing assisting force is provided for the connecting hinged arm 42. Under the structure of the combined hinge combining the buffering hinge 3 and the elastic hinge 4, the operation convenience is enhanced, and the hand feeling smoothness in the motion process of the opening and closing refrigerator door body 1 is improved.

During closing, the damping force is generated on the hinge by compressing the damping damper 331, and the coil spring 432 is compressed to a certain extent to generate a damping force on the refrigerator door 1, so that the refrigerator door 1 is closed slowly, thereby effectively protecting the hinge and the refrigerator.

Referring to fig. 1 to 7, the engaging seat 332 is provided with guide posts 13 distributed on left and right sides of the cushion damper 331, and the driving sleeve 333 is provided with guide holes 14 slidably connected with the guide posts 13. The transmission stability of the transmission sleeve 333 is effectively enhanced, and the resistance effect of the buffer damper 331 is improved.

Furthermore, the transmission rod 431 is sleeved with an upper limit block 9, the connection clamping seat 433 is provided with a lower limit block 10, the lower limit block 10 is provided with a through hole for facilitating the up-and-down sliding of the lower end of the transmission rod 431, and the upper elastic end and the lower elastic end of the spiral spring 432 are respectively connected to the upper limit block 9 and the lower limit block 10. Simple structure strengthens structural stability, guarantees coil spring 432's elastic action, ensures the quality of use of elasticity hinge 4.

The swing shaft 7 and the connecting shaft 8 are respectively a swing knurling shaft and a connecting knurling shaft, and the ends of the swing knurling shaft and the connecting knurling shaft are respectively provided with knurled parts 11 connected to the damping hinge arm 32 and the connecting hinge arm 42. The friction force between the swinging shaft 7 and the buffer hinged arm 32 and between the connecting shaft 8 and the connecting hinged arm 42 is enhanced, so that the slipping is avoided, and the transmission stability is improved.

In addition, the buffer hinge arm 32 and the connecting hinge arm 42 are respectively provided with a limiting arc groove 12 for limiting the swing amplitude, and the two ends of the swing shaft 7 and the connecting shaft 8 are respectively connected with the corresponding limiting arc grooves 12 in a sliding manner. The running stability of the buffer hinge arm 32 and the connecting hinge arm 42 is enhanced, the swing amplitude is ensured, the hovering amplitude is increased, and the ice chest is convenient to use.

The above embodiments are only the best embodiments of the present invention, and any structure identical or equivalent to the combination hinge for the ice chest of the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a combination hinge that refrigerator-freezer was used, is including connecting the hinge composite member between refrigerator-freezer door body (1) and the refrigerator-freezer cabinet body (2), its characterized in that: the hinge combination part comprises a buffering hinge (3) with the functions of assisting, damping and hovering and an elastic hinge (4) with the functions of assisting and hovering, the buffering hinge (3) comprises a buffering hinged support (31), a buffering hinged arm (32) and a damping transmission part (33), the elastic hinge (4) comprises a connecting hinged support (41), a connecting hinged arm (42) and an elastic transmission part (43), the buffering hinged support (31) and the connecting hinged support (41) are arranged on the freezer cabinet body (2) side by side, the buffering hinged arm (32) and the connecting hinged arm (42) are arranged on the freezer door body (1) side by side and are respectively connected with the buffering hinged support (31) and the connecting hinged support (41) through a buffering main shaft (5) and a connecting main shaft (6), the fixed part of the damping transmission part (33) is clamped on the buffering hinged support (31), the buffering hinged arm (32) is provided with a swinging shaft (7) which is connected with a pushing rod of the damping transmission part (33) in a rotating and sliding manner, the elastic lower end of the elastic transmission component (43) slides up and down on the connecting hinged support (41), and the connecting hinged arm (42) is provided with a connecting shaft (8) which is rotationally and slidably connected with the elastic upper end of the elastic transmission component (43).

2. The combination hinge of claim 1, further comprising: damping drive disk assembly (33) are including buffering attenuator (331), joint seat (332), transmission cover (333), joint seat (332) joint is in buffering free bearing (31), transmission cover (333) sliding fit is on buffering attenuator (331), and the cylinder body positioning connection of buffering attenuator (331) is in joint seat (332), and the catch bar positioning connection of buffering attenuator (331) is in transmission cover (333), the location end joint of transmission cover (333) on swing axle (7) and with swing axle (7) rotation sliding connection, swing axle (7) establish the swing end at buffering pivoted arm (32) and with buffering free bearing (31) sliding connection.

3. The combination hinge of claim 2, further comprising: the top end of the transmission sleeve (333) is provided with a V-shaped clamping position (34) and a V-shaped clamping block (36) which are connected with the swinging shaft (7) in a rotating and sliding mode, the V-shaped clamping position (34) is provided with a transmission convex block (35) penetrating through the V-shaped clamping block (36), and the swinging shaft (7) is provided with an orientation groove (71) which is connected with the transmission convex block (35) in an orientation and sliding mode.

4. The combination hinge of claim 2, further comprising: the clamping seat (332) is provided with guide columns (13) distributed on the left side and the right side of the buffer damper (331), and the transmission sleeve (333) is provided with guide holes (14) connected with the guide columns (13) in a sliding mode.

5. The combination hinge of claim 1, further comprising: the elastic transmission part (43) comprises a transmission rod (431), a spiral spring (432) and a connection clamping seat (433), wherein the connection clamping seat (433) is clamped at the lower end part of the connection hinged support (41), the spiral spring (432) is sleeved on the transmission rod (431) and two ends of the spiral spring are respectively pressed on the connection clamping seat (433) and the transmission rod (431), the lower end of the transmission rod (431) vertically moves on the connection clamping seat (433) under the action of the spiral spring (432), and the connection hinged arm (42) is provided with a connection shaft (8) which is elastically connected with the transmission rod (431) under the action of the spiral spring (432).

6. The combination hinge of claim 5, further comprising: the top of transfer line (431) is equipped with circular arc screens (44) and circular arc fixture block (46) with connecting axle (8) rotary sliding connection, and circular arc screens (44) are equipped with transmission protruding edge (45) that run through circular arc fixture block (46), connecting axle (8) are equipped with transmission protruding edge (45) directional sliding connection usefulness guide way (81).

7. The combination hinge of claim 5, further comprising: the transmission rod (431) is sleeved with an upper limiting block (9), the connection clamping seat (433) is provided with a lower limiting block (10), the lower limiting block (10) is provided with a through hole convenient for the lower end of the transmission rod (431) to slide up and down, and the upper elastic end and the lower elastic end of the spiral spring (432) are respectively connected to the upper limiting block (9) and the lower limiting block (10).

8. The combination hinge of claim 1, further comprising: the swinging shaft (7) and the connecting shaft (8) are respectively provided with a swinging knurling shaft and a connecting knurling shaft, and the end parts of the swinging knurling shaft and the connecting knurling shaft are respectively provided with a knurling part (11) connected with a buffering hinged arm (32) and a connecting hinged arm (42).

9. The combination hinge of claim 1, further comprising: the buffer hinged arm (32) and the connecting hinged arm (42) are respectively provided with a limiting arc groove (12) for limiting the swing amplitude, and the two ends of the swing shaft (7) and the connecting shaft (8) are respectively in sliding connection with the corresponding limiting arc grooves (12).