CN106050036B - Hinge component and refrigerator - Google Patents

Abstract

The present invention provides a hinge assembly, comprising a hinge body with a hinge shaft, the hinge shaft has a first end fixed to the hinge body, a second end opposite to the first end and away from the hinge body end; a shaft sleeve, the second end is pivotally accommodated in the shaft sleeve; the hinge shaft has at least two protrusions protruding radially outward from the second end, and the at least The diameter of the circumference where the outer edges of the two bulges are located is not greater than the diameter of the bushing; the bushing has at least one protrusion protruding from its inner wall toward the inner side of the bushing, and at least one protrusion formed by recessing outward from its inner wall. Groove, the number of the protrusion and the groove is not less than the number of the protrusion; when at least one protrusion is opposite to the protrusion, at least one protrusion is accommodated in the groove, and the protrusion The bag and the groove are respectively arranged on two opposite parts of the shaft sleeve. The hinge assembly can adjust the distance between the box body and the door body.

Description

Hinge assembly and refrigerator

technical field

The invention relates to the field of photovoltaics, in particular to a hinge assembly capable of adjusting the distance between a box body and a door body, and a refrigerator with the hinge assembly.

Background technique

At present, the distance between the door body and the box body of the refrigerator is basically the same and cannot be adjusted during the process of opening and closing the door. Since the distance is not adjustable, when the distance is set small, the door seal will be squeezed during the door closing process; and when the distance is set large, the sealing effect will be affected after the door is closed.

In addition, there is no adjustable gap between the hinge shaft of the existing hinge assembly and the shaft sleeve sleeved outside the hinge shaft. To adjust the distance between the door body and the box body, other adjustment mechanisms need to be provided, and the structure is complicated.

In view of this, it is necessary to provide an improved hinge assembly to solve the above problems.

Contents of the invention

The object of the present invention is to provide a hinge assembly capable of adjusting the distance between the box body and the door body.

To achieve the purpose of the above invention, the present invention provides a hinge assembly, which includes a hinge body and a hinge shaft, the hinge shaft has a first end fixed to the hinge body, and a The second end of the hinge body; a shaft sleeve, the second end is pivotably accommodated in the shaft sleeve; the hinge shaft has at least two protruding radially outwards from the second end Convex, the diameter of the circumference where the outer edges of the at least two convex bulges is not greater than the diameter of the sleeve; the sleeve has at least one protrusion protruding from its inner wall to the sleeve, At least one groove formed by the outer depression, the number of the protrusion and the groove is not less than the number of the convex bag; when at least one convex bag is opposite to the protrusion, at least one convex bag is accommodated in the concave In the groove, and the protrusion and the groove are respectively arranged on two opposite parts of the sleeve.

As a further improvement of the present invention, the distance between the point where the protrusion is farthest from the shaft sleeve and the inner wall of the shaft sleeve is the same as the distance between the point where the protrusion is farthest from the hinge shaft and the hinge shaft .

As a further improvement of the present invention, along the clockwise direction, the groove has a first arc-shaped wall protruding outward from a part of the inner wall of the shaft sleeve, and the end of the first arc-shaped wall away from the shaft sleeve is bent inward and connected to the For the second arc-shaped wall of the inner wall of another part of the sleeve, the radius of curvature of the first arc-shaped wall is different from that of the second arc-shaped wall.

As a further improvement of the present invention, the hinge shaft has three protrusions protruding radially outward from the second end, and the shaft sleeve has a protrusion protruding inward from the inner wall of the shaft sleeve, Two grooves are formed by indenting outward from its inner wall, and the two grooves are respectively arranged on both sides of the diameter of the protrusion; when one of the protrusions is opposite to the protrusion, the other two protrusions are respectively accommodated in the two protrusions. inside the groove.

As a further improvement of the present invention, in the clockwise direction, both of the two grooves have a first arc-shaped wall protruding outward from a part of the inner wall of the shaft sleeve, and an end of the first arc-shaped wall away from the shaft sleeve is bent inward. And connected to the second arc-shaped wall of the inner wall of another part of the sleeve, the curvature radius of the first arc-shaped wall of one groove is greater than the curvature radius of the second arc-shaped wall, and the curvature of the first arc-shaped wall of the other groove The radius is smaller than the radius of curvature of the second curved wall.

As a further improvement of the present invention, the two grooves are arranged symmetrically with respect to the diameter of the center of the protrusion.

As a further improvement of the present invention, the hinge shaft has three protrusions protruding radially outward from the second end; the sleeve has a groove protruding inward from its inner wall, Two protrusions are formed by recessing outward from its inner wall, and the two protrusions are respectively arranged on both sides of the diameter of the groove; when one of the protrusions is accommodated in the groove, the other two protrusions are respectively connected to the two The bumps are opposite.

As a further improvement of the present invention, the two protrusions are arranged symmetrically with respect to the diameter of the center of the groove.

As a further improvement of the present invention, the hinge shaft has two protruding protrusions that protrude radially outward from the second end and are arranged oppositely; The protrusion and the groove formed by indenting outward from its inner wall, the protrusion is arranged opposite to the groove; when one of the protrusions is accommodated in the groove, the other protrusion is opposite to the protrusion.

In order to achieve the purpose of the above invention, the present invention also provides a refrigerator, including a box body, a door body and a hinge assembly, one of the hinge body and the shaft sleeve is fixed on the box body, and the other is fixed on the door body .

The beneficial effect of the present invention is that: the hinge assembly of the present invention is provided with at least two protrusions on the hinge shaft, and protrusions and grooves are provided on the shaft sleeve; when some protrusions are opposite to the protrusions, other protrusions accommodate In the groove, so that the hinge shaft is close to the side where the groove is provided in the shaft sleeve, the distance between the box body and the door body becomes smaller; when the hinge shaft pivots in the shaft sleeve, the protrusion breaks away from the groove , the hinge shaft moves to the side away from the groove in the shaft sleeve, and the distance between the box body and the door body becomes larger.

Description of drawings

Fig. 1 is a schematic diagram of the cooperation structure of the hinge shaft and the sleeve of the present invention when closing the door.

Fig. 2 is a schematic diagram of the cooperative structure of the hinge shaft and the bushing shown in Fig. 1 during the process of opening/closing the door.

Fig. 3 is a schematic diagram of another cooperative structure of the hinge shaft and the bushing shown in Fig. 1 during the process of opening/closing the door.

Fig. 4 is a schematic diagram of another cooperation structure between the hinge shaft and the bushing shown in Fig. 1 during the process of opening/closing the door.

Fig. 5 is a schematic diagram of the cooperation structure of the hinge shaft and the sleeve when closing the door in another embodiment of the present invention.

Fig. 6 is a schematic diagram of the cooperation structure of the hinge shaft and the bushing shown in Fig. 5 during the process of opening/closing the door.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 to FIG. 6 , which are diagrams of a hinge assembly 100 according to a preferred embodiment of the present invention. The hinge assembly 100 includes a hinge body 1 and a shaft sleeve 2 for pivotally connecting the box body and the door body. The hinge body 1 has a hinge shaft 11, the hinge shaft 11 has a first end fixed to the hinge body 1, a second end opposite to the first end and away from the hinge body 1; The end is pivotably accommodated in the sleeve 2.

There are no specific requirements for other structures of the hinge body 1 , and only the specific structures of the hinge shaft 11 and the shaft sleeve 2 will be described below.

The hinge shaft 11 has at least two protrusions 111 protruding radially outward from the second end, and the diameter of the circumference of the outer edges of the at least two protrusions 111 is not larger than that of the sleeve 2 diameter of. Specifically, when the diameter of the circumference where the outer edges of the at least two protrusions 111 are located is equal to the diameter of the shaft sleeve 2, when the second end pivots in the shaft sleeve 2, the at least two protrusions 111 Supported on the inner wall of the shaft sleeve 2, while the protrusion is supported on the hinge shaft 11, and the rotation is stable; of course, the diameter of the circumference where the outer edges of the at least two protrusions 111 are located can also be smaller than the shaft The diameter of the sleeve 2, when the second end pivots in the sleeve 2, its trajectory is variable.

Correspondingly, the shaft sleeve 2 has at least one protrusion 21 protruding from its inner wall toward the shaft sleeve 2, and at least one groove 22 formed by recessing outward from its inner wall, the protrusion 21 and the groove 22 and not less than the number of convex hulls 111. When the at least one protrusion 111 is opposite to the protrusion 21, the at least one protrusion 111 is accommodated in the groove 22, and the protrusion 21 and the groove 22 are separately arranged in two opposite parts of the sleeve 2 Therefore, the hinge shaft 11 is close to the side with the groove 22 in the shaft sleeve 2, and the distance between the box body and the door becomes smaller; when the hinge shaft 11 pivots in the shaft sleeve 2, the convex hull 111 breaks away from the concave When the groove 22 is formed, the hinge shaft 11 moves to the side away from the groove 22 in the sleeve 2, and the distance between the box body and the door becomes larger.

The farthest point of the protrusion 21 from the shaft sleeve 2 is the same as the distance from the convex hull 111 on the inner wall of the shaft sleeve 2 to the farthest point from the hinge shaft 11 , Therefore, in the process of opening and closing the door, when the protrusion 111 is supported on the inner wall of the shaft sleeve 2 , the protrusion 21 is also supported on the hinge shaft 11 .

The groove 22 is designed so that when the protrusion 111 is accommodated in the groove 22, the part of the structure on the hinge shaft 11 close to the protrusion 111 can fit on the inner wall of the sleeve 2 . In addition, along the clockwise direction, the groove 22 has a first arc-shaped wall 221 protruding outward from the inner wall of part of the shaft sleeve 2, and the end of the first arc-shaped wall 221 away from the shaft sleeve 2 is bent inward and connected to For the second arc-shaped wall 222 on the inner wall of the sleeve 2 , the radius of curvature of the first arc-shaped wall 221 is different from that of the second arc-shaped wall 222 .

Please refer to Figs. 1 to 4, in this embodiment, viewed in the clockwise direction, the radius of curvature of the first arc-shaped wall 221 of one of the grooves 22 is greater than the radius of curvature of the second arc-shaped wall 222, and the other The curvature radius of the first arc-shaped wall 221 of the groove 22 is smaller than the curvature radius of the second arc-shaped wall 222 . Therefore, when the hinge shaft 11 rotates in the clockwise direction in the shaft sleeve 2, the resistance of the two grooves 22 to the two protrusions 111 located therein is larger and the other is smaller; When rotating in the counterclockwise direction, the resistance of the two grooves 22 to the two convex hulls 111 located therein is also one large and one small; thus the hinge shaft 11 needs the same distance when it rotates in any direction in the shaft sleeve 2, that is, The force used in the process of opening and closing the door is the same.

Further, along the clockwise or counterclockwise direction, the radius of curvature of the first arc-shaped wall 221 can be fixed, or gradually increase or decrease; the radius of curvature of the second arc-shaped wall 222 can be It can be fixed or it can be gradually increased or decreased.

In this embodiment, the hinge shaft 11 has three protrusions 111 protruding radially outward from the second end, and the shaft sleeve 2 has a protrusion protruding inward from the inner wall of the shaft sleeve 2 . The protrusion 21, two grooves 22 formed by indenting outward from its inner wall, and the two grooves 22 are respectively arranged on both sides of the diameter where the protrusion 21 is located. Specifically, the two grooves 22 are arranged symmetrically with respect to the diameter of the center of the protrusion 21 .

Further, the three protrusions 111 are evenly distributed on the periphery of the second end, and when the hinge shaft 11 pivots in the shaft sleeve 2 , it is relatively stable. When closing the door, when one of the protrusions 111 is opposite to the protrusion 21, the other two protrusions 111 are respectively accommodated in the two grooves 22. At this time, the hinge shaft 11 is close to the side where the groove 22 is provided, so that the The distance between the box body and the door body becomes smaller, and the sealing performance is good; and in the process of opening and closing the door, the protrusion 111 is separated from the groove 22, and the hinge shaft 11 moves to the side away from the groove 22 in the shaft sleeve 2, and the box The distance between the body and the door body becomes larger, and the door seal will not be squeezed.

The groove 22 is opposite to the protrusion 21. In another embodiment, the hinge shaft 11 has three protrusions 111 protruding radially outward from the second end; The shaft sleeve 2 has a groove 22 protruding from its inner wall to the shaft sleeve 2, and two protrusions 21 formed by recessing outward from its inner wall. The two protrusions 21 are located on two sides of the diameter of the groove 22. side; when one of the convex shells 111 is accommodated in the groove 22, the other two convex shells 111 are opposite to the two protrusions 21 respectively. Specifically, in this embodiment, the groove 22 in the above embodiment is replaced by a protrusion 21, and the protrusion 21 in the above embodiment is replaced by a groove 22; The specific structure is the same as that of the above-mentioned embodiment, and will not be repeated here.

Please refer to FIG. 5 and FIG. 6, in yet another embodiment, the hinge shaft 11 has two protruding protrusions 111 protruding radially outward from the second end and disposed opposite to each other; The shaft sleeve 2 has a protrusion 21 protruding from its inner wall to the shaft sleeve 2, and a groove 22 formed by recessing outward from its inner wall. The protrusion 21 is arranged opposite to the groove 22; one of the protrusions 111 When accommodated in the groove 22 , the other protrusion 111 is opposite to the protrusion 21 . The specific structures of the protrusions 21 and the grooves 22 are also the same as those of the above-mentioned embodiments, and will not be repeated here.

The present invention also provides a refrigerator, which includes a box body and a door hinge assembly 100, one of the hinge body 1 and the shaft sleeve 2 is fixed on the box body, and the other is fixed on the door body.

In one embodiment, the hinge body 1 is fixed on the box body, and the shaft sleeve 2 is fixed on the door body. When the door body is closed, the protrusion 21 on the shaft sleeve 2 is close to the box body and the groove 22 is far away from the box body. The box body can be adjusted so that the distance between the box body and the door body can be adjusted, so that when the door body is closed, the distance between the box body and the door body becomes smaller and the airtightness is good; while the door body is opened or closed, the box body and the door body The distance between the door bodies becomes larger, and the door seal will not be squeezed.

In another embodiment, when the hinge body 1 is fixed on the door body and the shaft sleeve 2 is fixed on the box body, the groove 22 of the shaft sleeve 2 is close to the box body, and the protrusion 21 is away from the box body, When the door body is closed, the distance between the box body and the door body becomes smaller, and the sealing performance is good; while the door body is opened or closed, the distance between the box body and the door body becomes larger, and the door seal will not be squeezed.

To sum up, in the hinge assembly 100 of the present invention, at least two protrusions 111 are provided on the hinge shaft 11, and protrusions 21 and grooves 22 are provided on the sleeve 2; part of the protrusions 111 are opposite to the protrusions 21 At this time, other protrusions 111 are accommodated in the groove 22, so that the hinge shaft 11 is close to the side where the groove 22 is provided in the sleeve 2, and the distance between the box body and the door becomes smaller; when the hinge shaft 11 When pivoting in the shaft sleeve 2 and the protrusion 111 breaks away from the groove 22, the hinge shaft 11 moves to the side away from the groove 22 in the shaft sleeve 2, and the distance between the box body and the door becomes larger.

The above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. A hinge assembly comprising The hinge body has a hinge shaft, the hinge shaft has a first end fixed to the hinge body, and a second end opposite to the first end away from the hinge body; a shaft sleeve, the second end is pivotably accommodated in the shaft sleeve; It is characterized in that: the hinge shaft has at least two protrusions protruding radially outward from the second end, and the diameter of the circumference of the outer edges of the at least two protrusions is not larger than that of the shaft sleeve. diameter; the bushing has at least one protrusion protruding from its inner wall to the bushing, and at least one groove formed by recessing outward from its inner wall, and the sum of the number of the protrusions and the grooves is not less than the number of convex hulls; When the at least one protrusion is opposite to the protrusion, the at least one protrusion is accommodated in the groove, and the protrusion and the groove are respectively arranged on two opposite parts of the shaft sleeve. 2. The hinge assembly according to claim 1, characterized in that: the distance between the point where the protrusion is farthest from the bushing and the inner wall of the bushing is the same as the point where the protrusion is farthest from the hinge axis The point is the same distance from the hinge axis. 3. The hinge assembly according to claim 1, characterized in that: in the clockwise direction, the groove has a first arc-shaped wall protruding outward from a part of the inner wall of the shaft sleeve, away from the shaft from the first arc-shaped wall One end of the sleeve is bent inward and is connected to a second arc-shaped wall of the inner wall of another part of the sleeve, and the radius of curvature of the first arc-shaped wall is different from that of the second arc-shaped wall. 4. The hinge assembly according to any one of claims 1-3, wherein the hinge shaft has three protrusions protruding radially outward from the second end, and the shaft sleeve It has a protrusion protruding from its inner wall to the shaft sleeve, and two grooves formed by indenting outward from its inner wall. The two grooves are respectively arranged on both sides of the diameter of the protrusion; one of the protrusions and the protrusion When facing each other, the other two protrusions are accommodated in the two grooves respectively. 5. The hinge assembly according to claim 4, characterized in that: clockwise, the two grooves each have a first arc-shaped wall protruding outward from a part of the inner wall of the bushing, and a first arc-shaped wall extending from the first arc-shaped wall One end of the wall away from the sleeve bends inward and is connected to the second arc-shaped wall of the inner wall of another part of the sleeve, wherein the radius of curvature of the first arc-shaped wall of one groove is greater than the radius of curvature of the second arc-shaped wall, and the other concave The radius of curvature of the first arcuate wall of the slot is smaller than the radius of curvature of the second arcuate wall. 6. The hinge assembly according to claim 4, wherein the two grooves are arranged symmetrically with respect to the diameter of the center of the protrusion. 7. The hinge assembly according to any one of claims 1-3, characterized in that: the hinge shaft has three protrusions protruding radially outward from the second end; the shaft sleeve It has a groove protruding from its inner wall to the shaft sleeve, and two protrusions formed by recessing outward from its inner wall. The two protrusions are respectively arranged on both sides of the diameter of the groove; one of the protrusions is accommodated in When inside the groove, the other two protrusions are respectively opposite to the two protrusions. 8. The hinge assembly according to claim 7, wherein the two protrusions are arranged symmetrically with respect to the diameter of the center of the groove. 9. The hinge assembly according to any one of claims 1-3, characterized in that: the hinge shaft has two protruding hulls protruding radially outward from the second end and oppositely arranged ; The bushing has a protrusion protruding from its inner wall to the shaft sleeve, and a groove formed by recessing outward from its inner wall, and the protrusion is opposite to the groove; one of the protrusions is accommodated in the When inside the groove, the other convex hull is opposite to the protrusion. 10. A refrigerator, comprising a box body, a door body, and the hinge assembly according to any one of claims 1 to 9, one of the hinge body and the bushing is fixed on the box body, and the other is fixed on the on the door.