CN212716259U - Door closer, door closing device and refrigerator for refrigerator - Google Patents

Abstract

The utility model provides a door closer for refrigerator, the door closer body includes: the first door closing piece is used for being fixed with the outer surface of an end cover of the refrigerator door body; the second door closing piece is used for being fixed with the outer surface of the bottom of the refrigerator body; the first door closing part and the second door closing part are mutually and pivotally connected; the first door closing piece moves relative to the second door closing piece so as to realize the door closing of the refrigerator door body through mutual embedding. The utility model also provides a door closing device and refrigerator. The utility model provides a door closer closes the motion of door spare through first relative second of closing door spare, realizes that both differences support and lean on the state, only under the refrigerator door body self gravity, first door spare and second close the mutual gomphosis of door spare and support and lean on, close two relative position of door spare through first door spare, second and make the refrigerator door body near on the refrigerator box, make the refrigerator door body close inseparabler.

Description

Door closer, door closing device and refrigerator for refrigerator

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a door closer, door closing device, refrigerator for refrigerator.

Background

The refrigerator is one of household appliances commonly used by people, a refrigerator door body is required to be frequently opened or closed in daily life, the refrigerator door body is rotatably connected with a refrigerator box body through a hinge assembly, and the refrigerator door body is sealed with the refrigerator box body through a door seal. Generally, under the condition of assembly errors of hinge installation angles or door seal interference degree differences, the refrigerator door body is easy to be closed untight, the self-closing property is poor, and the problems of cold air leakage and energy consumption increase of the refrigerator caused by the untight closing of the refrigerator door body in the use process are solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a door closer for a refrigerator, which can make the refrigerator door close more tightly.

In order to achieve the above purpose, the utility model is realized by the following technical scheme.

The utility model discloses a first purpose provides a door closer for refrigerator, including setting up in the door closer body of refrigerator door body bottom, the door closer body includes:

the first door closing piece is used for being fixed with the outer surface of an end cover of the refrigerator door body;

the second door closing piece is used for being fixed with the outer surface of the bottom of the refrigerator body;

the first door closing part and the second door closing part are mutually and pivotally connected;

the first door closing piece moves relative to the second door closing piece so as to realize the door closing of the refrigerator door body through mutual embedding.

Preferably, the door closer body is provided with a shaft hole; a hinge shaft of a lower hinge of the refrigerator penetrates through the shaft hole to enable the first door closing piece and the second door closing piece to pivot mutually;

the first door closing piece is provided with a first mounting hole used for being fixed with the outer surface of an end cover of the refrigerator; the second door closing piece is provided with a second mounting hole used for being fixed with the lower hinge.

Preferably, when the first door closing member is engaged with the second door closing member, an included angle between the shaft hole and two central connecting lines of the first mounting hole and the second mounting hole is slightly smaller than 90 °.

Preferably, two first protruding portions are oppositely arranged on one surface of the first door closing member, and a first concave portion is formed between the two first protruding portions, so as to form a first surface structure of the first door closing member with alternate concave and convex portions.

Preferably, the second door closing member is provided with a second surface structure matching the first surface structure.

Preferably, a gap is left between the outer wall of the first convex part and the inner wall of the second concave part of the second door closing piece.

Preferably, the shaft hole extends towards the end cover to form a first convex hole; the outer wall of the first convex hole extends into the hinge shaft hole formed in the end cover and abuts against the inner wall of the hinge shaft hole.

Preferably, the lower surface of the second door closing member abuts against the upper surface of the lower hinge of the refrigerator.

A second object of the utility model is to provide a door closer, including the door closer body, the door closer body include as above the door closer body.

Preferably, the door closing device body further comprises a limiting block, wherein the limiting block is fixed on the first door closing part and abuts against a limiting protrusion arranged on a lower hinge of the refrigerator to realize door opening limitation.

Preferably, the limiting block is L-shaped; the upper surface of the first side wall of the limiting block is embedded into a groove formed in the outer surface of the end cover.

Preferably, a first mounting portion of the first door closer, which is provided with a first mounting hole, is fixed to a lower surface of the first sidewall.

Preferably, the first mounting hole extends towards the first side wall to form a second protruding hole so as to extend into a third mounting hole formed in the first side wall.

Preferably, the door closer body further comprises a fixing member; the fixing piece is fixed on the inner surface of the end cover and corresponds to the position of the limiting block embedded into the first side wall; the first installation part is fixed on the end cover through the first side wall and the fixing part.

A third object of the present invention is to provide a refrigerator including the door closer body as described above.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a door closer for refrigerator, realize the switching of different butt states through relative motion between first door closer, the second door closer, including butt under the mutual gomphosis state between first door closer and the second door closer or break away from butt after the gomphosis, realize the closing of the refrigerator door body or open the door with the cooperation under the external force; the first door closing piece and the second door closing piece are embedded and abutted to achieve a door closing function, so that the refrigerator door body is closed more tightly.

In a preferred scheme, when the first door closing part and the second door closing part are embedded and abutted, the included angle between the shaft hole and two central connecting lines of the first mounting hole and the second mounting hole is slightly smaller than 90 degrees, and further, the refrigerator door body is closed more tightly.

In a preferred scheme, when the first door closing piece and the second door closing piece are embedded and abutted, a gap is formed between the outer wall of the first protruding portion and the inner wall of the second recessed portion, so that the first door closing piece of the door closer body can slightly adjust the position relative to the second door closing piece, errors are generated in the assembly of the refrigerator door body and the refrigerator body, and the assembly difficulty is reduced.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the specification, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a first schematic perspective view of a door closer body according to the present invention;

fig. 2 is an exploded schematic view of the door closer body of the present invention;

fig. 3 is a schematic perspective view of the door closer body according to the present invention;

fig. 4 is a schematic perspective view of a first door closing member according to the present invention;

fig. 5 is a top view of the door closer body of the present invention;

fig. 6 is a schematic view of the mounting structure of the door closing device body of the present invention;

fig. 7 is an explosion structure diagram of the mounted door closer body of the present invention.

In the figure:

1. a door closing device body;

100. a door closer body; 110. a first door closing member; 111. a first mounting portion; 1111. a first mounting hole; 1111a and a second convex hole; 112. a first boss portion; 113. a first recess; 120. a second door closing member; 121. a second mounting portion; 1211. a second mounting hole; 122. a second boss portion; 123. a second recess; 130. a shaft hole; 131. a first convex hole; 132. a first shaft hole; 133. a second shaft hole;

200. a limiting block; 210. a first side wall; 211. a third mounting hole; 220. a second side wall;

300. a fixing member;

2. an end cap; 201. a hinge shaft hole; 202. a groove;

3. a lower hinge; 301. a hinge axis; 302. and a limiting bulge.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1

As shown in fig. 1 and 2, a first object of the present invention is to provide a door closer for a refrigerator, including a door closer body 100 disposed at a bottom end of a refrigerator door, the door closer body 100 includes:

the first door closing piece 110 is used for being fixed with the outer surface of the end cover 2 of the refrigerator door body;

a second door closing member 120 for fixing to an outer surface of a bottom of the refrigerator body;

the first door closing member 110 and the second door closing member 120 are pivotally connected to each other;

the first door closing member 110 moves relative to the second door closing member 120 to close the refrigerator door by being engaged with each other.

The first door closing part 110 moves relative to the second door closing part 120, no other external force exists, and the first door closing part 110 and the second door closing part 120 are mutually embedded under the condition that only the gravity of the refrigerator door exists, so that the door closing of the refrigerator door is realized. When the refrigerator door is opened by an external force, the first door closing member 110 moves relative to the second door closing member 120, and the first door closing member 110 and the second door closing member 120 are separated from a mutually embedded state to cooperate with opening of the door. That is, when the first door closing element 110 and the second door closing element 120 are engaged and abutted, under the gravity of the refrigerator door body and without other external forces, the first door closing element 110 and the second door closing element 120 cannot move relatively due to the restriction of the engaging and abutting force, and at this time, the refrigerator door body is in a closed state relative to the refrigerator body. Under the action of external force, the external force overcomes the frictional resistance generated by the embedding and abutting of the first door closing piece 110 and the second door closing piece 120, the refrigerator door body is gradually opened relative to the refrigerator body, the first door closing piece 110 and the second door closing piece 120 are separated from the embedding and abutting state, the door closing state is released, and the door opening is matched. Due to the gravity of the refrigerator door body and the connection relationship between the end cover 2 of the refrigerator door body and the refrigerator body, the first door closing member 110 cannot be separated from the second door closing member 120.

In one embodiment, as shown in fig. 1, the door closer body 100 is provided with a shaft hole 130 through which a hinge shaft 301 of a lower hinge 3 of the refrigerator passes; the second door closing member 120 is connected to the lower hinge 3. In one embodiment, as shown in fig. 2 and 3, the shaft hole 130 includes a first shaft hole 132 disposed on the first door closing member 10 and a second shaft hole 133 disposed on the second door closing member 120, and the first shaft hole 132 is coaxial with and communicates with the second shaft hole 133. The hinge shaft 301 of the lower hinge 3 passes through the second shaft hole 133 and the first shaft hole 132 in sequence and then is rotatably connected in the hinge shaft hole 201 formed in the end cap 2. The first door closing member 110 rotates about the hinge shaft 301 to move the first door closing member 110 relative to the second door closing member 120. The hinge shaft 301 limits the transverse movement of the door closer body 100, and acts as a limit function for the door closer body 100 in the transverse direction.

In one embodiment, as shown in fig. 2, the first door closing member 110 is provided with a first mounting hole 1111 for fixing to an outer surface of the end cover 2 of the refrigerator, and is fixed to the end cover 2 by a screw passing through the first mounting hole 1111 for mounting to the outer surface of the end cover 2 of the refrigerator. Further, the first door closing member 110 is provided with a first mounting portion 111, and the first mounting hole 1111 is provided on the first mounting portion 111. Further, the first mounting portion 111 is formed in a handle shape, and an upper surface of the first mounting portion 111 is fixed to a lower surface of the end cap 2. When the first door closing member 110 moves relative to the second door closing member 120, the first mounting portion 111 carries the end cap 2 to move, so that the refrigerator door rotates relative to the refrigerator body, and the refrigerator door is opened or closed.

In one embodiment, as shown in fig. 2, the second door closing member 120 is provided with a second mounting hole 1211 for fixing with the lower hinge 3, and is fixed with the lower hinge 3 after passing through the second mounting hole 1211 by a screw for being mounted on the lower hinge 3 of the refrigerator. The second door closer 120 is provided with a second mounting portion 121, and a second mounting hole 1211 is formed in the second mounting portion 121. Further, the second mounting portion 121 has a handle shape, and a lower surface of the second mounting portion 121 is fixed to an upper surface of the lower hinge 3. When the first door closing member 110 moves relative to the second door closing member 120, since the lower hinge 3 is fixed to the outer surface of the refrigerator body and is not moved, the second door closing member 120 does not move relative to the refrigerator body.

In an embodiment, as shown in fig. 5, when the first door closing member 110 and the second door closing member 120 are engaged and abutted, an angle between the shaft hole 130 and two central connecting lines of the first mounting hole 1111 and the second mounting hole 1211 is slightly smaller than 90 °. Specifically, the included angle is 86-89 degrees. Under the action of the weight force of the refrigerator door only, the first door closing member 110 of the first door closing member 110 is embedded and abutted with the second door closing member 120 of the second door closing member 120, so as to maintain a stable abutting relationship. When the end cover is installed, the shaft hole 130 is parallel to the connecting line of the central lines of the first installation hole 1111 and the longitudinal axis of the end cover 2; the axial hole 130 is parallel to the line connecting the centers of the second mounting holes 1211 and the lateral axis of the end cap 2. Because the included angle between the shaft hole 130 and the two central connecting lines of the first mounting hole 1111 and the second mounting hole 1211 is slightly smaller than 90 degrees, under the action of the weight force of only the refrigerator door, the refrigerator body fixed by the end cover 2 connected through the first mounting hole 1111 and the lower hinge 3 connected through the second mounting hole 1211 is relatively close to the refrigerator body under the action of the first door closing piece 10 and the second door closing piece 20, and the refrigerator door is closed more tightly.

In an embodiment, as shown in fig. 2 and fig. 4, two first protruding portions 112 are oppositely disposed on one surface of the first door closing member 110, and a first recessed portion 113 is formed between the two first protruding portions 112 to form a first surface structure of the first door closing member 110 with an interval of concave and convex. The two first protruding portions 112 are symmetrically disposed, and the two first recessed portions 113 are symmetrically disposed.

In one embodiment, as shown in FIG. 2, the second door closure member 120 is provided with a second surface texture that matches the first surface texture. The second door closing element 120 is provided with two second protrusions 122 corresponding to the two first recesses 113 on the surface of the first door closing element 110, and a second recess 123 is formed between the two second protrusions 122 to form a second surface structure with alternating concave and convex portions. The two second protrusions 122 are symmetrically disposed, and the two second recesses 123 are symmetrically disposed.

As shown in fig. 1 and 3, the first protrusion 112 is embedded in the second recess 123, so that the first door closing element 110 and the second door closing element 120 are engaged and abutted to close the refrigerator door. When the first protruding part 112 abuts against the second protruding part 122, the refrigerator door body is opened.

In one embodiment, as shown in FIG. 2, the first protrusions 112 and the associated first recesses 113 form a centrosymmetric structure, and similarly, as shown in FIG. 4, the second protrusions 122 and the associated second recesses 123 form a centrosymmetric structure; the first door closing element 110 moves along one direction relative to the second door closing element 120, and the first door closing element 110 can be switched to be in fit abutting contact with the second door closing element 120, or the first protruding part 112 abuts against the second protruding part 122, so that the first door closing element 110 is separated from the fit abutting state with the second door closing element 120; the abutting surface of the first protruding portion 112 or the second protruding portion 122 is not too small, which results in unstable abutting state of the first protruding portion 112 and the second protruding portion 122.

In an embodiment, as shown in fig. 3, when the first door closing element 110 and the second door closing element 120 are engaged and abutted, a gap 140 is provided between the outer wall of the first protrusion 112 and the inner wall of the second recess 123; at this time, the bottom wall of the first recess 113 abuts against the top wall of the second protrusion 122, and a gap 140 is left between both side walls of the first recess 113 (also belonging to the side walls of the first protrusion 112) and both side walls of the second protrusion 122 (also belonging to the side walls of the second recess 123). When the door closer body 100 of the present embodiment is applied to a refrigerator, when the door of the refrigerator is closed due to the structural angle problem of the lower hinge 3 itself on the refrigerator or the different interference states of the door seal of the refrigerator, an error occurs in the assembly of the door of the refrigerator and the refrigerator body, and the gap 140 is provided for the door closer body 100 to adjust itself to adapt to the function of the assembly error. Due to the arrangement of the gap 140, when the door closer body 100 is installed and the refrigerator door is closed, the first door closing part 110 can move left and right slightly in the second concave part 123 of the second door closing part 120 according to the assembling error between the refrigerator door and the refrigerator body, so that the assembling error is adapted, the door closer body 100 is installed, and the assembling difficulty is reduced.

In one embodiment, as shown in fig. 2, the shaft hole 130 extends toward the end cap 2 to form a first protruding hole 131, an inner hole diameter of the first protruding hole 131 is equal to an inner hole diameter of the shaft hole 130, and the first protruding hole 131 is coaxial with and communicates with the shaft hole 130; as shown in fig. 7, the outer wall of the first protruding hole 131 extends into the hinge shaft hole 201 of the end cap 2 and abuts against the inner wall of the hinge shaft hole 201 to limit the lateral movement of the door closer body 100. The hinge shaft 301 of the lower hinge 3 passes through the second shaft hole 133, the first shaft hole 132 and the first convex hole 131 in sequence and then is rotatably connected in the hinge shaft hole 201 formed in the end cap 2.

In an embodiment, as shown in fig. 6, the lower surface of the second door closing member 120 abuts against the upper surface of the lower hinge 3 of the refrigerator, so that the weight of the refrigerator door borne by the door closer body 100 is uniformly distributed on the lower hinge 3, the damage probability of the lower hinge 3 is reduced, and the service life of the lower hinge 3 is prolonged.

Example 2

As shown in fig. 6 and 7, the utility model provides a door closer device, including door closer device body 1, door closer device body 1 includes door closer body 100 as described above.

In an embodiment, as shown in fig. 7, the door closing device body 1 further includes a limiting block 200, the limiting block 200 is fixed on the first door closing member 110 to be abutted against a limiting protrusion 302 arranged on the lower hinge 3 of the refrigerator to realize door opening limitation, the maximum door opening angle is determined according to market demands, and the relative position of the limiting block 200 and the limiting protrusion 302 is specifically set to limit the angle for opening the door body of the refrigerator.

In one embodiment, as shown in fig. 7, the limiting block 200 is L-shaped; the upper surface of the first side wall 210 of the limiting block 200 is embedded into the groove 202 formed on the outer surface of the end cover 2, and the second side wall 220 of the limiting block 200 is matched with the limiting protrusion 302 to realize door opening limiting.

In one embodiment, as shown in fig. 6 and 7, the first mounting portion 111 of the first door closing member 110, which is provided with the first mounting hole 1111, is fixed to the lower surface of the first sidewall 210. Further, the first mounting hole 1111 extends toward the first sidewall 210 to form a second protrusion hole 1111a to protrude into the third mounting hole 211 formed in the first sidewall 210. The first mounting portion 111 of the first door closing member 110 is spaced apart from the outer surface of the cover 2 by a first sidewall 210.

Further, as shown in fig. 6 and 7, the door closer device body 1 further includes a fixing member 300; the fixing member 300 is fixed on the inner surface of the end cap 2 and corresponds to the position where the limiting block 200 is embedded in the first sidewall 210; the first mounting portion 111 is fixed to the end cap 2 via the first sidewall 210 and the fixing member 300. The first mounting portion 111 of the first door closer 110 is fixed to the outer surface of the end cap 2 by the first side wall 210 and the fixing member 300 abutting against the two sides of the end cap 2, respectively, and the mounting strength of the door closer body 100 is improved by the first side wall 210 and the fixing member 300.

Example 3

The utility model provides a refrigerator, include as above door closer body 100 or include as above door closer device. The door closer body 100 can be arranged on a left door body or a right door body of the refrigerator, and when the door closer is installed, the relative positions of the first door closing piece 110 and the second door closing piece 120 are adjusted according to the difference between the left door body and the right door body.

The utility model discloses compare prior art, the utility model provides a door closer for refrigerator can make the refrigerator door body close inseparabler.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (15)

1. The utility model provides a door closer for refrigerator, is including setting up door closer body (100) in refrigerator door body bottom, its characterized in that, door closer body (100) include:

the first door closing piece (110) is used for being fixed with the outer surface of the end cover (2) of the refrigerator door body;

a second door closing member (120) for fixing with the outer surface of the bottom of the refrigerator body;

the first door closing part (110) and the second door closing part (120) are mutually and pivotally connected;

the first door closing part (110) moves relative to the second door closing part (120) so as to realize the closing of the refrigerator door body through mutual embedding.

2. A door closer for a refrigerator according to claim 1, wherein the door closer body (100) is provided with a shaft hole (130); a hinge shaft (301) of a lower hinge (3) of the refrigerator passes through the shaft hole (130) to enable the first door closing part (110) and the second door closing part (120) to pivot mutually;

the first door closing piece (110) is provided with a first mounting hole (1111) used for being fixed with the outer surface of an end cover (2) of the refrigerator; the second door closing member (120) is provided with a second mounting hole (1211) for fixing with the lower hinge (3).

3. A door closer for a refrigerator according to claim 2, wherein when the first door closing member (110) is engaged with the second door closing member (120), the angle between the shaft hole (130) and the connecting line of the centers of the first mounting hole (1111) and the second mounting hole (1211) is slightly less than 90 °.

4. A door closer for a refrigerator according to any one of claims 1 to 3, wherein the first door closing member (110) has two first protrusions (112) on one surface thereof, and a first recess (113) is formed between the two first protrusions (112) to form a first surface structure of the first door closing member (110) having alternating convexes and concaves.

5. A door closer for a refrigerator according to claim 4, wherein the second door closing member (120) is provided with a second surface structure matching the first surface structure.

6. A door closer for a refrigerator according to claim 5, wherein a gap (140) is left between an outer wall of the first convex portion (112) and an inner wall of the second concave portion (123) of the second door closing member (120) which are fitted.

7. A door closer for a refrigerator according to claim 2, wherein the shaft hole (130) is extended with a first boss hole (131) toward the end cap (2); the outer wall of the first convex hole (131) extends into a hinge shaft hole (201) formed in the end cover (2) and abuts against the inner wall of the hinge shaft hole (201).

8. A door closer for a refrigerator according to claim 2, wherein the lower surface of the second door closing member (120) abuts against the upper surface of the lower hinge (3) of the refrigerator.

9. A door closer device comprising a door closer body (1), characterized in that the door closer body (1) comprises a door closer body (100) according to any one of claims 1-8.

10. A door closing device according to claim 9, characterized in that the door closing device body (1) further comprises a limiting block (200), and the limiting block (200) is fixed on the first door closing part (110) to be in contact with a limiting protrusion (302) arranged on a lower hinge (3) of the refrigerator to realize door opening limitation.

11. A door closing device according to claim 10, wherein the stop (200) is L-shaped; the upper surface of a first side wall (210) of the limiting block (200) is embedded into a groove (202) formed in the outer surface of the end cover (2).

12. A door closing device according to claim 11, characterized in that the first mounting portion (111) of the first door closing member (110) provided with the first mounting hole (1111) is fixed to the lower surface of the first side wall (210).

13. A door closing device according to claim 12, characterized in that the first mounting hole (1111) extends with a second projection hole (1111a) towards the first side wall (210) to project into a third mounting hole (211) provided in the first side wall (210).

14. A door closing device according to claim 12, characterized in that the door closing device body (1) further comprises a fixing member (300); the fixing piece (300) is fixed on the inner surface of the end cover (2) and corresponds to the position of embedding the limiting block (200) into the first side wall (210); the first mounting part (111) is fixed on the end cover (2) through the first side wall (210) and the fixing piece (300).

15. A refrigerator, characterized by comprising a door closer body (100) according to any one of claims 1-8.

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