CN214576405U

CN214576405U - Hidden hinge

Info

Publication number: CN214576405U
Application number: CN202022922332.9U
Authority: CN
Inventors: 陈超华
Original assignee: Foshan Yawu Decoration Material Co ltd
Current assignee: Foshan Yawu Decoration Material Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-02
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a hidden hinge, comprising a base plate, the slip bar groove has been seted up in the front of bottom plate, the bottom plate articulates through slip bar groove has the long arm, the other end of long arm articulates there is the trailing arm, the other end of trailing arm articulates there is the forearm, the other end of forearm articulates with the front of bottom plate, the forearm is located the left side in slip bar groove with the pin joint of bottom plate, the front of bottom plate articulates there is well arm, well arm is located between forearm and the slip bar groove with the pin joint of bottom plate, the other end of well arm is articulated with the long arm, the back of bottom plate is provided with strengthening mechanism. The utility model relates to a hinge means technical field, through setting up additional strengthening, the bottom plate enhancement piece among the additional strengthening passes through the rivet to be fixed with forearm and well arm, when the hinge atress, strengthens bottom plate and section bar groove card and intensity, and then reduces the deformation rate of bottom plate when the bearing.

Description

Hidden hinge

Technical Field

The utility model relates to a hinge means technical field specifically is a hidden hinge.

Background

In the door and window hardware industry, as consumer groups diversify the opening mode and appearance design of a window type, the section design of aluminum alloy sections is more and more diversified, the currently popular section adopts an European-standard U-shaped notch as a fan type, the window frame adopts an European-standard C-shaped notch, and the common hinge product cannot meet the opening requirement of the window type, so that a hidden hinge is generated to meet the diversified requirement of the market;

however, the hidden hinge on the market is mostly opened and closed by adopting an upper and lower sliding structure, the bracket arm and the bottom plate are provided with the strip-shaped groove to weaken the strength of the whole structure of the hinge, the bottom plate can deform when stressed due to the longer sliding groove of the bottom plate, so that doors and windows cannot be closed, and the service life of the hinge is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a hidden hinge.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hidden hinge, includes the bottom plate, the slip bar groove has been seted up in the front of bottom plate, the bottom plate articulates through slip bar groove has the long arm, the other end of long arm articulates there is the trailing arm, the other end of trailing arm articulates there is the forearm, the other end of forearm articulates with the front of bottom plate, the forearm is located the left side in slip bar groove with the pin joint of bottom plate, the front of bottom plate articulates there is well arm, well arm is located between forearm and the slip bar groove with the pin joint of bottom plate, the other end and the long arm of well arm are articulated, the back of bottom plate is provided with strengthening mechanism.

Preferably, the left side of the front face of the bottom plate is fixedly connected with a folding positioning block, the folding positioning block is L-shaped, and the bottom of the supporting arm is L-shaped.

Preferably, the bottom of short arm is provided with first arc, the bottom of well arm is provided with the second arc, first arc and second arc phase-match.

Preferably, the reinforcing mechanism comprises a bottom plate reinforcing sheet and a rivet, the bottom plate reinforcing sheet is located on the back face of the bottom plate, the rivet penetrates through the bottom plate and the bottom plate reinforcing sheet, and the bottom plate reinforcing sheet is fixedly connected with the short arm and the middle arm through the rivet.

Preferably, the two sides of the back surface of the bottom plate are fixedly connected with mounting buckle blocks through hexagonal rivets, the buckle blocks are symmetrically arranged, and after the bottom plate rotates by 90 degrees, the buckle blocks are clamped in the grooves of the section bars to reinforce the fixing strength of the bottom plate and the section bars.

Preferably, the support arm is hinged to the long arm through a rivet, a meson gasket sleeved on the outer side of the rivet is arranged between the long arm and the support arm, the long arm is hinged to the base plate through a rivet, and a meson gasket sleeved on the outer side of the rivet is arranged between the long arm and the base plate.

Preferably, the bottom plate is hinged to the long arm through a rivet, a copper meson gasket located on the back face of the bottom plate is sleeved on the outer side of the rivet, and sliding friction of opening and closing movement is performed through the copper meson gasket.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. by arranging the reinforcing structure, a bottom plate reinforcing sheet in the reinforcing structure is fixed with the short arm and the middle arm through rivets, and when the hinge is stressed, the clamping strength of the bottom plate and the section groove is enhanced, so that the deformation rate of the bottom plate during bearing is reduced;

2. the arc-shaped surfaces are arranged at the lower ends of the short arm and the middle arm, so that the short arm and the middle arm are mutually meshed and rotated when being opened and closed, the force is removed, and the service life of the hinge is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of a hidden hinge of the present invention;

fig. 2 is an exploded view of a hidden hinge according to the present invention;

fig. 3 is a state diagram of the hidden hinge of the present invention when it is folded;

fig. 4 is a rear view of a hidden hinge of the present invention.

Reference numerals: 1. a bracket arm; 3. a long arm; 5. a base plate; 9. a chassis reinforcing sheet; 10. a short arm; 12. a middle arm; 13. folding the positioning blocks; 14. a sliding strip-shaped groove.

Detailed Description

The following describes a hidden hinge according to an embodiment of the present invention with reference to fig. 1-4. The present invention is not limited to the description of the following embodiments.

The embodiment provides a specific structure of a hidden hinge, as shown in fig. 1-4, which comprises a bottom plate 5, wherein a sliding strip-shaped groove 14 is formed in the front surface of the bottom plate 5, the bottom plate 5 is hinged with a long arm 3 through the sliding strip-shaped groove 14, the other end of the long arm 3 is hinged with a supporting arm 1, the other end of the supporting arm 1 is hinged with a short arm 10, the other end of the short arm 10 is hinged with the front surface of the bottom plate 5, the hinged point of the short arm 10 and the bottom plate 5 is positioned on the left side of the sliding strip-shaped groove 14, and the front surface of the bottom plate 5 is hinged with a middle arm 12;

the hinge point of the middle arm 12 and the bottom plate 5 is positioned between the short arm 10 and the sliding strip-shaped groove 14, the other end of the middle arm 12 is hinged with the long arm 3, the back of the bottom plate 5 is provided with a reinforcing mechanism, the reinforcing mechanism comprises a bottom plate reinforcing sheet 9 and a rivet, the bottom plate reinforcing sheet 9 is positioned on the back of the bottom plate 5, the rivet penetrates through the bottom plate 5 and the bottom plate reinforcing sheet 9, and the bottom plate reinforcing sheet 9 is fixedly connected with the short arm 10 and the middle arm 12 through the rivet;

a folding positioning block 13 is fixedly connected to the left side of the front face of the bottom plate 5, the folding positioning block 13 is L-shaped, the bottom of the bracket arm 1 is L-shaped, a first arc is arranged at the bottom end of the short arm 10, a second arc is arranged at the bottom end of the middle arm 12, and the first arc is matched with the second arc;

two sides of the back surface of the bottom plate 5 are fixedly connected with mounting buckling blocks 7 through hexagonal rivets, the buckling blocks 7 are symmetrically arranged, and are clamped in the profile groove after rotating for 90 degrees, so that the fixing strength of the bottom plate 5 and the profile is enhanced;

the bracket arm 1 is hinged with the long arm 3 through a rivet, a meson gasket arranged on the outer side of the rivet is arranged between the long arm 3 and the bracket arm 1 in a sleeved mode, the long arm 3 is hinged with the bottom plate 5 through the rivet, the meson gasket arranged on the outer side of the rivet is arranged between the long arm 3 and the bottom plate 5 in a sleeved mode, the bottom plate 5 is hinged with the long arm 3 through the rivet, a copper meson gasket arranged on the back face of the bottom plate 5 is sleeved on the outer side of the rivet, and sliding friction of opening and closing movement is conducted through the copper meson gasket.

By adopting the technical scheme:

the lower ends of the short arm 10 and the middle arm 12 are provided with arc surfaces, the arc surfaces are mutually meshed and rotated when the hinge is opened and closed, the force is removed, and the service life of the hinge is prolonged.

The working principle is as follows: the utility model discloses when using, through setting up strengthening mechanism, bottom plate reinforcing piece 9 in the strengthening mechanism is fixed through rivet and short arm 10 and well arm 12, when the hinge atress, strengthens bottom plate 5 and section bar groove card and intensity, and then reduces the deformation rate of bottom plate 5 when the bearing, improves the life of hinge to through assembling locating piece 13 with the 1 location shrink of trailing arm, swift convenience.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A concealed hinge comprising a base plate (5), characterized in that: the utility model discloses a novel structure of a motor vehicle, including bottom plate (5), support arm (10), forearm (10), articulated mechanism, the other end of bottom plate (5) has been seted up to slip bar groove (14), bottom plate (5) articulates through slip bar groove (14) has long arm (3), the other end of long arm (3) articulates there is trailing arm (1), the other end of trailing arm (1) articulates there is forearm (10), the other end of forearm (10) is articulated with the front of bottom plate (5) and is articulated, the pin joint of forearm (10) and bottom plate (5) is located the left side of slip bar groove (14), the front of bottom plate (5) articulates there is well arm (12), well arm (12) is located between forearm (10) and slip bar groove (14) with the pin joint of bottom plate (5), the other end and the long arm (3) of well arm (12) are articulated, the back of bottom plate (5) is provided with strengthens the mechanism.

2. The concealed hinge according to claim 1, wherein: the left side of the front face of the bottom plate (5) is fixedly connected with a folding positioning block (13), the folding positioning block (13) is L-shaped, and the bottom of the supporting arm (1) is L-shaped.

3. The concealed hinge according to claim 1, wherein: the bottom of short arm (10) is provided with first arc, the bottom of well arm (12) is provided with the second arc, first arc and second arc phase-match.

4. The concealed hinge according to claim 1, wherein: the reinforcing mechanism comprises a bottom plate reinforcing sheet (9) and a rivet, the bottom plate reinforcing sheet (9) is located on the back face of the bottom plate (5), the rivet penetrates through the bottom plate (5) and the bottom plate reinforcing sheet (9), and the bottom plate reinforcing sheet (9) is fixedly connected with the short arm (10) and the middle arm (12) through the rivet.

5. The concealed hinge according to claim 1, wherein: the two sides of the back face of the bottom plate (5) are fixedly connected with mounting buckle blocks (7) through hexagonal rivets, and the two buckle blocks (7) are symmetrically arranged.

6. The concealed hinge according to claim 1, wherein: the bracket arm (1) is hinged to the long arm (3) through a rivet, a meson gasket arranged on the outer side of the rivet is sleeved between the long arm (3) and the bracket arm (1), the long arm (3) is hinged to the bottom plate (5) through the rivet, and the meson gasket arranged on the outer side of the rivet is sleeved between the long arm (3) and the bottom plate (5).

7. The concealed hinge according to claim 1, wherein: the bottom plate (5) is hinged with the long arm (3) through a rivet, and a copper meson gasket located on the back face of the bottom plate (5) is sleeved on the outer side of the rivet.