CN219365737U - Door hinge structure with long service life - Google Patents

Abstract

The utility model discloses a door hinge structure with long service life, which comprises a hinge piece, wherein the hinge piece is provided with a first connecting part; the first connecting part is hinged to the pocket assembly, the pocket assembly comprises at least one cam piece and at least one elastic piece, the cam piece is arranged on the first connecting part and is provided with a protruding part, and the elastic piece is slidably connected with the upper surface of the protruding part. Therefore, the contact area of the elastic piece and the cam piece is increased by adopting the mutual matching between the elastic piece and the cam piece, so that the abrasion of the elastic piece on the surface of the cam piece caused by repeated friction is reduced, and the service life of the door hinge is prolonged.

Description

Door hinge structure with long service life

Technical Field

The utility model relates to the technical field of accessories in cabinet bodies and cabinet doors, in particular to a door hinge structure with long service life.

Background

The door hinge structure is often used as a connecting component between the cabinet door and the cabinet body, and people often open or close the cabinet door to take objects in the cabinet body, so that the pocket component in the door hinge structure and the hinge component on the hinge component can be worn out due to the opening and closing of the cabinet door. The prior art reduces the wear to the connection by employing a cam member on the hinge assembly and connecting with the spring. Because the contact area of the spring and the cam piece is too small, when the cabinet body and the cabinet door are repeatedly used, the spring repeatedly wears the upper surface of the cam piece, and the service life of the door hinge structure is further influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a door hinge structure with long service life.

A door hinge structure according to an embodiment of a first aspect of the present utility model includes a hinge member provided with a first connection portion; the pocket assembly comprises a pocket body and a first connecting portion, wherein the first connecting portion is hinged to the pocket body, the pocket body comprises at least one cam piece and at least one elastic piece, the cam piece is installed on the first connecting portion and is provided with a protruding portion, and the elastic piece is slidably connected with the upper surface of the protruding portion.

The door hinge structure provided by the embodiment of the utility model has at least the following technical effects:

an operator pulls the hinge part to enable the elastic piece to move along the upper surface of the cam part, so that the cam part pushes the elastic piece to shrink and store energy; the operator pulls the hinge part to enable the elastic piece to stretch out and push the first connecting part to reset. Therefore, the contact area of the elastic piece and the cam piece is increased by adopting the mutual matching between the elastic piece and the cam piece, so that the abrasion of the elastic piece on the surface of the cam piece caused by repeated friction is reduced, and the service life of the door hinge is prolonged.

According to some embodiments of the utility model, the cam member is provided with a second connecting portion, the first connecting portion is provided with a first mounting groove matched with the second connecting portion, and the second connecting portion is clamped on the first mounting groove.

According to some embodiments of the utility model, the number of the cam pieces is two, the number of the elastic pieces is two, each cam piece is respectively installed at two ends of the first connecting portion, and each elastic piece is respectively abutted with each cam piece.

According to some embodiments of the utility model, the pocket assembly further comprises a hinge cup and a rivet, the rivet being mounted within the hinge cup, the first connection being hinged to the rivet.

According to some embodiments of the utility model, one end of the spring piece is abutted against the cam piece, and the other end of the spring piece is mounted on the hinge cup.

According to some embodiments of the utility model, the first connecting portion is provided with a third connecting portion, the cam member is provided with a second mounting groove matched with the third connecting portion, and the third connecting portion is clamped on the second mounting groove.

According to some embodiments of the utility model, the hinge cup is provided with a hinge rod, and the oil cylinder is movably connected with the hinge rod.

According to some embodiments of the utility model, the pocket assembly further comprises a bottom plate, one end of the bottom plate extends outwards to form a fourth connecting portion, the elastic piece is connected with the fourth connecting portion, and the bottom plate is mounted on the hinge cup through a bolt.

According to some embodiments of the utility model, the pocket assembly further comprises a top cover connected to the hinge cup, and the top cover covers the oil cylinder.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a door hinge structure with a long service life according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the door hinge structure of FIG. 1 in an operational state with a long service life;

FIG. 3 is a schematic view of the door hinge structure of FIG. 1 in another operational state with a long service life;

FIG. 4 is a schematic view of the connection of the first connecting portion and the cam member;

FIG. 5 is a schematic view of the structure of the spring piece and the bottom plate;

fig. 6 is a schematic structural view of the attachment of the top cover, cylinder and oil lever.

Reference numerals:

hinge 100, first connection 110, first mounting slot 111, third connection 112;

cam member 200, protruding portion 201, second connecting portion 202, second mounting groove 203, spring member 210, fourth connecting portion 211, cylinder 220, hinge cup 230, oil lever 231, rivet 240, bottom plate 250, and top cover 260.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Referring to fig. 1 to 6, a door hinge structure having a long service life according to an embodiment of the present utility model includes a hinge member 100 and a pocket assembly. As shown in fig. 4, the hinge 100 is provided with a first connection portion 110. As shown in fig. 1, 2 and 3, the first connection part 110 is hinged to the pocket assembly such that the first connection part 110 can be turned in a direction approaching the pocket assembly. The pocket assembly comprises at least one cam piece 200 and at least one elastic piece 210, wherein a protruding part 201 is arranged on the upper part of the cam piece 200, and the elastic piece 210 is in sliding connection with the upper surface of the protruding part 201. As shown in fig. 2 and 3, by providing the protruding portion 201 at the upper portion of the cam member 200, the outer side wall of the protruding portion 201 is formed in an arc shape, thereby facilitating the sliding of the elastic piece 210 along the upper surface of the protruding portion 201. When an operator dials the hinge member 100 to simulate a person to close the cabinet door, the elastic piece 210 moves along the upper surface of the cam member 200 along with the rotation of the first connecting part 110, and the cam member 200 pushes the elastic piece 210 to shrink and store energy; when the elastic piece 210 moves to the top end of the protruding part 201, the elastic piece gradually slides downwards along the upper surface of the protruding part 201, and the cabinet door is completely closed; the operator pulls the hinge member 100 to simulate a state in which a person opens the cabinet door, so that the elastic piece member 210 is extended and slid along the upper surface of the cam member 200 to be reset, thereby driving the hinge member 100 to be reset, and at this time, the cabinet door is completely opened. Therefore, the present utility model replaces the existing spring with the elastic piece 210, and the contact area between the sheet elastic piece 210 and the cam piece 200 is larger than the contact area between the strip spring and the cam piece 200, so that the contact area between the elastic piece 210 and the cam piece 200 is increased, the abrasion of the elastic piece 210 on the surface of the cam piece 200 caused by repeated friction is reduced, and the service life of the door hinge is further prolonged.

In some embodiments of the present utility model, as shown in fig. 4, in order to improve the connection stability between the cam member 200 and the first connecting portion 110, the cam member 200 is provided with a second connecting portion 202, the first connecting portion 110 is provided with a first mounting groove 111 matching with the second connecting portion 202, and the second connecting portion 202 is engaged with the first mounting groove 111. Specifically, the second connection portion 202 may be provided at an upper portion or a lower portion of the cam member 200, and the first mounting groove 111 is provided at a position of the first connection portion 110 corresponding to the second connection portion 202.

In a further embodiment of the present utility model, as shown in fig. 4, in order to improve the connection stability between the cam member 200 and the first connection portion 110, the first connection portion 110 is provided with a third connection portion 112, the cam member 200 is provided with a second mounting groove 203 matching the third connection portion 112, and the third connection portion 112 is engaged with the second mounting groove 203. Specifically, the third connection part 112 may be disposed at an upper or lower portion of the first connection part 110, and the second mounting groove 203 is disposed at a position of the cam member 200 corresponding to the third connection part 112.

In some embodiments of the present utility model, as shown in fig. 4 and 5, the number of the cam members 200 is two, the number of the elastic members 210 is two, each cam member 200 is respectively mounted at two ends of the first connecting portion 110, each elastic member 210 is respectively abutted against each cam member 200, and the cam members 200 are respectively disposed at two ends of the first connecting portion 110, so that the sliding stability of the elastic members 210 on the upper surface of the cam members 200 is improved.

In a further embodiment of the present utility model, as shown in fig. 1, 2 and 3, the pocket assembly further includes a hinge cup 230 and a rivet 240, the rivet 240 is installed in the hinge cup 230, the first connection portion 110 is hinged to the rivet 240, each cam member 200 is installed at both ends of the rivet 240, one end of the elastic piece 210 is abutted with the cam member 200, and the other end of the elastic piece 210 is installed on the hinge cup 230. By providing hinge cup 230 and rivet 240, cam member 200 is facilitated to follow the common overturn of operator toggle hinge member 100, thereby facilitating compression of spring member 210 by cam member 200 during the overturn.

In some embodiments of the present utility model, as shown in fig. 1 and 6, the present utility model further includes an oil cylinder 220, wherein the oil cylinder 220 is installed in the hinge cup 230, and the oil cylinder 220 is movably connected with the oil rod 231 by providing the oil rod 231 in the hinge cup 230, so that the first connection part 110 pushes the oil cylinder 220 to shrink and store energy, and the oil cylinder 220 is elastically extended to push the first connection part 110 to reset.

In a further embodiment of the present utility model, as shown in fig. 1, 2 and 5, the pocket assembly further includes a bottom plate 250, one end of the bottom plate 250 extends outward to form a fourth connection portion 211, the elastic piece 210 is connected to the fourth connection portion 211, and the bottom plate 250 is mounted on the hinge cup 230 by a bolt. By forming the fourth connection portion 211 outwardly at one side of the bottom plate 250, the fourth connection portion 211 may be curved and extended upwardly, so that the cam member 200 is facilitated to compress the elastic piece 210, and the elastic piece 210 is facilitated to elastically reset along with the reset of the cam member 200. Specifically, the bottom plate 250 and the spring element 210 may be integrally formed.

In some embodiments of the present utility model, as shown in fig. 1, 2 and 6, to improve the stability of the cylinder 220 during movement, the pocket assembly further includes a top cover 260, the top cover 260 is connected to the hinge cup 230, and the top cover 260 is covered on the cylinder 220. Specifically, the top cover 260 is provided with a guide groove having a size matching that of the oil cylinder 220, and the oil cylinder 220 is movably coupled with the guide groove.

In a further embodiment of the present utility model, one end of the elastic piece 210 is abutted against the cam piece 200, and the other end of the elastic piece 210 is mounted on the hinge cup 230. By directly mounting the elastic piece 210 on the hinge cup 230, the mounting and connecting manner of the elastic piece 210 is simplified, and the production cost of the door hinge structure is reduced.

In the description of the present specification, reference to the term "some embodiments" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A door hinge structure having a long service life, comprising:

-a hinge (100), the hinge (100) being provided with a first connection (110);

the pocket assembly comprises a pocket assembly body, wherein a first connecting part (110) is hinged to the pocket assembly body, the pocket assembly body comprises at least one cam piece (200) and at least one elastic piece (210), the cam piece (200) is installed on the first connecting part (110), the cam piece (200) is provided with a protruding part (201), and the elastic piece (210) is in sliding connection with the upper surface of the protruding part (201).

2. A door hinge structure with a long service life according to claim 1, wherein: the cam piece (200) is provided with a second connecting portion (202), the first connecting portion (110) is provided with a first mounting groove (111) matched with the second connecting portion (202), and the second connecting portion (202) is clamped on the first mounting groove (111).

3. A door hinge structure with a long service life according to claim 1, wherein: the number of the cam pieces (200) is two, the number of the elastic piece pieces (210) is two, each cam piece (200) is respectively installed at two ends of the first connecting part (110), and each elastic piece (210) is respectively abutted with each cam piece (200).

4. A door hinge structure with a long service life according to claim 1, wherein: the pocket assembly further comprises a hinge cup (230) and a rivet (240), wherein the rivet (240) is installed in the hinge cup (230), and the first connecting portion (110) is hinged to the rivet (240).

5. A door hinge structure with a long service life according to claim 4, wherein: one end of the elastic piece (210) is abutted with the cam piece (200), and the other end of the elastic piece (210) is mounted on the hinge cup (230).

6. A door hinge structure with a long service life according to claim 1, wherein: the first connecting portion (110) is provided with a third connecting portion (112), the cam piece (200) is provided with a second mounting groove (203) matched with the third connecting portion (112), and the third connecting portion (112) is clamped on the second mounting groove (203).

7. A door hinge structure with a long service life according to claim 4, wherein: the hydraulic hinge device further comprises an oil cylinder (220), wherein the oil cylinder (220) is installed in the hinge cup (230), the hinge cup (230) is provided with an oil rod (231), and the oil cylinder (220) is movably connected with the oil rod (231).

8. A door hinge structure with a long service life according to claim 4, wherein: the pocket assembly further comprises a bottom plate (250), one end of the bottom plate (250) extends outwards to form a fourth connecting portion (211), the elastic piece (210) is connected with the fourth connecting portion (211), and the bottom plate (250) is mounted on the hinge cup (230) through bolts.

9. A door hinge structure with a long service life according to claim 7, wherein: the pocket assembly further comprises a top cover (260), the top cover (260) is connected with the hinge cup (230), and the top cover (260) is covered on the oil cylinder (220).