Hinge with limiting function

Abstract

The utility model discloses a hinge with a limiting function, which relates to the technical field of hinges and comprises a first semicircular part and a second semicircular part, a fixing block is fixedly mounted on the right side of the first semicircular part, a rotating shaft is fixedly mounted in the fixing block, and mounting parts are arranged on the front side and the rear side of the second semicircular part. And a rotating shaft is movably mounted between the mounting parts. According to the utility model, the first arc-shaped plate is matched with the second arc-shaped groove, and the first arc-shaped groove is matched with the second arc-shaped plate, so that the first semi-circular ring part and the second semi-circular ring part can be mutually clamped through the tail ends of the first arc-shaped plate and the second arc-shaped groove and the first arc-shaped groove and the second arc-shaped plate when mutually rotating; the rotating radius of the first semicircular ring part and the rotating radius of the second semicircular ring part are limited at the angle, and the situation that the box cover collides with the box body is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge technical field, especially a hinge with limiting function. BACKGROUND

[0002] Hinge, also known as leaf, official name is hinge, often constitutes two -folding type, is the component of connecting two parts of object and can make it active, usually used in cabinet door, window, door etc. When using in tool box or other up and down open and close box, if not limiting, the box cover will be directly turned to the back after turning over the box cover, if the force is too large, even the box cover may hit the box, resulting in reducing the service life of the box. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the above -mentioned defects existing in the prior art, the utility model provides a hinge with limiting function.

[0004] The utility model discloses a hinge with limiting function, which comprises a first semicircular ring part and a second semicircular ring part, a fixed block is fixedly installed on the right side of the first semicircular ring part, a rotating shaft is fixedly installed in the fixed block, installation parts are arranged on the front and back sides of the second semicircular ring part, and the rotating shaft is movably installed between the installation parts.

[0005] Further, a first mounting plate is fixedly installed on the left side of the first semicircular ring part, a second mounting plate is fixedly installed on the lower end of the second semicircular ring part, and mounting holes are arranged on the second mounting plate and the first mounting plate.

[0006] Further, the lower end of the first mounting plate is fixedly installed on the box cover through bolts, and the left end of the second mounting plate is fixedly installed on the box through bolts.

[0007] Further, the upper end of the first semicircular ring part is sequentially and alternately provided with a first arc-shaped plate and a first arc-shaped groove from the back side to the front side.

[0008] Further, the second semicircular ring part is sequentially and alternately provided with a second arc-shaped groove and a second arc-shaped plate from the back side to the front side.

[0009] Further, the first arc-shaped plate and the second arc-shaped groove are slidably and cooperatively installed, and the first arc-shaped groove and the second arc-shaped plate are slidably and cooperatively installed.

[0010] The utility model has the advantages that through the cooperation of the first arc-shaped plate and the second arc-shaped groove and the first arc-shaped groove and the second arc-shaped plate, when the first semicircular ring part and the second semicircular ring part rotate, the ends of the first arc-shaped plate and the second arc-shaped groove and the first arc-shaped groove and the second arc-shaped plate can be clamped to each other, so that the rotation radius of the first semicircular ring part and the second semicircular ring part is limited to °, and the situation that the box cover hits the box is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is the main view of the utility model;

[0013] Figure 2 It is a top view of the utility model;

[0014] Figure 3 This is a schematic diagram of the installation structure of the first semicircular ring portion and the second semicircular ring portion of the utility model;

[0015] Figure 4 It is a top cross-sectional view of the utility model;

[0016] Figure 5 This is a schematic diagram of the installation structure of the first semicircular ring portion of the present invention.

[0017] In the figure: 1. first mounting plate, 11. mounting hole, 2. first semicircular portion, 21. first arcuate plate, 22. first arcuate groove, 3. fixing block, 4. rotating shaft, 5. second semicircular portion, 51. second arcuate groove, 52. second arcuate plate, 53. mounting portion, 6. second mounting plate, 7. box cover, 8. box body. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on these drawings and embodiments, which all fall within the scope of protection of the present invention.

[0019] like Figures 1 to 5 As shown, the utility model includes a first semicircular ring portion 2 and a second semicircular ring portion 5, a fixing block 3 is fixedly installed on the right side of the first semicircular ring portion 2, a rotating shaft 4 is fixedly installed inside the fixing block 3, and mounting portions 53 are provided on the front and rear sides of the second semicircular ring portion 5, and the rotating shaft 4 is movably installed between the mounting portions 53, so that the first semicircular ring portion 2 and the second semicircular ring portion 5 can rotate relative to each other.

[0020] like Figure 1 and Figure 2 As shown, the left side of the first semicircular portion 2 is fixedly mounted with a first mounting plate 1, and the lower end of the second semicircular portion 5 is fixedly mounted with a second mounting plate 6. Mounting holes 11 are provided on the second mounting plate 6 and the first mounting plate 1. The lower end of the first mounting plate 1 is fixedly mounted with a box cover 7 by bolts, and the left end of the second mounting plate 6 is fixedly mounted with a box body 8 by bolts.

[0021] As Figures 1 to 5 shown, the first semicircular ring part 2 is alternately provided with a first arc-shaped plate 21 and a first arc-shaped groove 22 from back to front, the second semicircular ring part 5 is alternately provided with a second arc-shaped groove 51 and a second arc-shaped plate 52 from back to front, the first arc-shaped plate 21 is slidably connected with the second arc-shaped groove 51, and the first arc-shaped groove 22 is slidably connected with the second arc-shaped plate 52.

[0022] In use, the first semicircular ring part 2 and the second semicircular ring part 5 are mutually clamped by the ends of the first arc-shaped plate 21 and the second arc-shaped groove 51 and the first arc-shaped groove 22 and the second arc-shaped plate 52 when rotating, so that the rotating radius of the first semicircular ring part 2 and the second semicircular ring part 5 is limited to 90°, and the case cover 7 is prevented from impacting the case body 8.

[0023] The above examples are only exemplary embodiments of the utility model and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the utility model's essence and protection scope, and such modifications or equivalent replacements should also be considered to fall within the protection scope of the utility model.

Claims

1. A hinge with a limiting function, comprising a first semicircular ring portion (2) and a second semicircular ring portion (5), characterized in that: A fixing block (3) is fixedly installed on the right side of the first semicircular portion (2), and a rotating shaft (4) is fixedly installed inside the fixing block (3). Mounting portions (53) are provided on the front and rear sides of the second semicircular portion (5), and the rotating shaft (4) is movably installed between the mounting portions (53).

2. The hinge with a limiting function according to claim 1, characterized in that: A first mounting plate (1) is fixedly mounted on the left side of the first semicircular portion (2), and a second mounting plate (6) is fixedly mounted on the lower end of the second semicircular portion (5). Mounting holes (11) are provided on the second mounting plate (6) and the first mounting plate (1).

3. The hinge with a limiting function according to claim 2, characterized in that: The lower end of the first mounting plate (1) is fixed to the mounting box cover (7) by means of bolts, and the left end of the second mounting plate (6) is fixed to the mounting box body (8) by means of bolts.

4. The hinge with a limiting function according to claim 1, characterized in that: The upper end of the first semicircular portion (2) is alternately provided with first arc-shaped plates (21) and first arc-shaped grooves (22) in sequence from the rear side to the front side.

5. The hinge with a limiting function according to claim 4, characterized in that: The second semicircular portion (5) is alternately provided with second arc-shaped grooves (51) and second arc-shaped plates (52) in sequence from the rear side to the front side.

6. The hinge with a limiting function according to claim 5, characterized in that: The first arc-shaped plate (21) is installed in a sliding manner with the second arc-shaped groove (51), and the first arc-shaped groove (22) is installed in a sliding manner with the second arc-shaped plate (52).

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