Hinge structure

Abstract

The utility model relates to a hinge structure which comprises a first hinge piece, a second hinge piece and a shaft core, one side of the first hinge piece is at least provided with two first sleeves arranged in a spaced mode, one side of the second hinge piece is provided with a second sleeve corresponding to the position between the two adjacent first sleeves, and the shaft core is inserted into the second sleeve. The hinge further comprises an upper supporting seat and a lower supporting seat, the upper supporting seat is arranged in the portion, at the upper end of the first hinge piece, of the first sleeve and fixedly connected with the first sleeve, the lower supporting seat is arranged in the portion, at the lower end of the first hinge piece, of the first sleeve and fixedly connected with the first sleeve, and the lower supporting seat is arranged in the portion, at the lower end of the first hinge piece, of the first sleeve and fixedly connected with the first sleeve. A first boss is arranged on the inner side wall, at the upper end of the first hinge piece, of the first sleeve, a second boss is arranged on the inner side wall, at the lower end of the first hinge piece, of the first sleeve, the lower end face of the upper supporting base abuts against the first boss, and the end of the shaft core penetrates through the first boss and extends into the upper supporting base. The upper end face of the lower supporting base abuts against the second boss, and the end of the shaft core penetrates through the second boss, extends into the lower supporting base and is in running fit with the lower supporting base. According to the technical scheme, the step and the supporting seat matched with the step are arranged in the first sleeve, so that the bearing capacity of the hinge is increased, and the service life of the hinge is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of hinges, in particular to a hinge structure. Background Art

[0002] Hinges are often two-fold, consisting of a pair of metal or non-metal blades connected by a pivot pin, and are components that connect two parts of an object and enable it to move.

[0003] Existing hinges generally include a first hinge piece and a second hinge piece. On one side of the first hinge piece, at least two spaced first sleeves are provided. On one side of the second hinge piece, a second sleeve is provided corresponding to the space between two adjacent first sleeves. It also includes a shaft core that is inserted into the second sleeve and fixedly connected to the second sleeve. The upper end of the shaft core is inserted into the first sleeve at the upper end of the first hinge piece, and the lower end of the shaft core is inserted into the first sleeve at the lower end of the first hinge piece. And both ends of the shaft core are rotationally matched with the corresponding first sleeves.

[0004] In recent years, the market has a growing demand for high-grade anti-theft doors, with increasingly high requirements for the delicate appearance design of high-grade anti-theft doors and the matching accuracy between the door frame and the door leaf. Moreover, due to the structure and materials of the door leaf, the weight of the door leaf is getting heavier and heavier. Therefore, when the above-mentioned hinge is used on a door body, the bearing capacity of the hinge itself is relatively low, and it cannot withstand too much external force, and it is prone to damage after long-term use. Summary of the Invention

[0005] The purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a hinge structure, which is provided with a step and a support seat matching with the step in the first sleeve, increasing the bearing capacity of the hinge and having a long service life.

[0006] The technical solution of the utility model: A hinge structure includes a first hinge piece, a second hinge piece and a shaft core. On one side of the first hinge piece, at least two spaced first sleeves are provided. On one side of the second hinge piece, a second sleeve is provided corresponding to the space between two adjacent first sleeves. The shaft core is inserted into the second sleeve and fixedly connected to the second sleeve. The end of the shaft core is inserted into the first sleeve and rotationally matched with the first sleeve. It also includes an upper support seat and a lower support seat. The upper support seat is arranged in the first sleeve at the upper end of the first hinge piece and fixedly connected to the first sleeve. The lower support seat is arranged in the first sleeve at the lower end of the first hinge piece and fixedly connected to the first sleeve. On the inner side wall of the first sleeve at the upper end of the first hinge piece, a first boss is provided. On the inner side wall of the first sleeve at the lower end of the first hinge piece, a second boss is provided. The lower end surface of the upper support seat abuts against the first boss. The end of the shaft core passes through the first boss and extends into the upper support seat, and is rotationally matched with the upper support seat. The upper end surface of the lower support seat abuts against the second boss. The end of the shaft core passes through the second boss and extends into the lower support seat, and is rotationally matched with the lower support seat.

[0007] With the above technical solution, the bearing capacity of the hinge is enhanced, and its service life is long. After the hinge is installed, the upper support seat acts on the first boss, and the lower support seat acts on the second boss. The boss can play a supporting role. Both ends of the shaft core extend into the corresponding support seats and can rotate relative to the support seats, so that the force acts on the bosses. In addition, bosses are provided on the inner side wall of the sleeve, which makes processing more convenient.

[0008] Further setting of the present utility model: The shaft core includes an upper shaft body and a lower shaft body. The upper shaft body and the lower shaft body are integrally formed or separately provided. The upper end of the upper shaft body is inserted into the upper support seat and is rotatably matched with the upper support seat. The lower end of the upper shaft body is inserted into the second sleeve and is fixedly connected to the second sleeve. The lower end of the lower shaft body is inserted into the lower support seat and is rotatably matched with the lower support seat. The upper end of the lower shaft body is inserted into the second sleeve and is fixedly connected to the second sleeve.

[0009] With the above further setting, the coaxiality is high, there is no abnormal noise after long-term use, and the installation is convenient at the same time.

[0010] Still further setting of the present utility model: The upper support seat is provided with an upper rotation groove arranged in a "U" shape, and the lower support seat is provided with a lower rotation groove arranged in a "U" shape. An arc surface matching with the upper rotation groove or the lower rotation groove is provided at the end of the shaft core.

[0011] With the above still further setting, the shaft core rotates more smoothly, without jamming and with little wear.

[0012] Still further setting of the present utility model: It further includes an upper machine screw, a lower machine screw, an upper cap head and a lower cap head. The upper cap head, the upper machine screw and the upper support seat are sequentially arranged in the first sleeve at the upper end of the first hinge leaf from top to bottom. The upper cap head is fixedly connected to the first sleeve. The lower cap head, the lower machine screw and the lower cap head are sequentially arranged in the first sleeve at the lower end of the first hinge leaf from bottom to top. The lower cap head is fixedly connected to the first sleeve.

[0013] With the above still further setting, it is applicable to hinges that need to be colored. After the hinge is colored, the machine screws and the cap heads are installed. It plays a role in sealing the support seat to prevent it from falling off, and has good sealing performance.

[0014] Still further setting of the present utility model: It further includes an upper closing member and a lower closing member. The upper closing member is located in the first sleeve at the upper end of the first hinge leaf and is fixedly connected to the first sleeve. The end of the upper closing member is welded flat with the upper end face of the first sleeve. The lower closing member is located in the first sleeve at the lower end of the first hinge leaf and is fixedly connected to the first sleeve. The end of the lower closing member is welded flat with the lower end face of the first sleeve.

[0015] With the above further settings, it is applicable to hinges that do not require plating. The closure is installed in the first sleeve, and the end is welded flush with the end of the first sleeve, which is more beautiful and plays a role in sealing the support seat with good sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an exploded view of the hinge in the first embodiment;

[0017] Figure 2 It is a cross-sectional view of the assembled hinge in the first embodiment;

[0018] Figure 3 It is a schematic diagram of an integrally formed shaft core;

[0019] Figure 4 It is an exploded view of the hinge in the second embodiment;

[0020] Figure 5 It is a cross-sectional view of the assembled hinge in the second embodiment;

[0021] Figure 6 It is a schematic diagram of a separately arranged shaft core.

[0022] In the figures, 1, the first hinge leaf; 1, the first sleeve; 111, the first boss; 112, the second boss; 121, the second sleeve; 2, the second hinge leaf; 3, the shaft core; 31, the upper shaft body; 32, the lower shaft body; 4, the upper support seat; 41, the upper rotation groove; 5, the lower support seat; 51, the lower rotation groove; 6, the upper machine screw; 7, the lower machine screw; 8, the upper cap head; 9, the lower cap head; 10, the upper closure; 20, the lower closure. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in this embodiment will be clearly and completely described in conjunction with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0024] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back...) are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0025] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. In the description of the present utility model, the meaning of "a number of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0026] In addition, the technical solutions between the various embodiments of the present utility model can be combined with each other, but it must be based on the ability of those skilled in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0027] As Figures 1-6 shown, a hinge structure includes a first hinge piece 1, a second hinge piece 2, and a shaft core 3. At least two first sleeves 11 spaced apart are provided on one side of the first hinge piece 1. A second sleeve 21 is provided on one side of the second hinge piece 2 corresponding to the space between two adjacent first sleeves 11. The shaft core 3 is inserted into the second sleeve 21 and fixedly connected to the second sleeve 21. The end of the shaft core 3 is inserted into the first sleeve 11 and rotatably engaged with the first sleeve 11. It also includes an upper support seat 4 and a lower support seat 5. The upper support seat 4 is disposed in the first sleeve 11 at the upper end of the first hinge piece 1 and fixedly connected to the first sleeve 11. The lower support seat 5 is disposed in the first sleeve 11 at the lower end of the first hinge piece 1 and fixedly connected to the first sleeve 11. A first boss 111 is provided on the inner side wall of the first sleeve 11 at the upper end of the first hinge piece 1, and a second boss 112 is provided on the inner side wall of the first sleeve 11 at the lower end of the first hinge piece 1. The lower end surface of the upper support seat 4 abuts against the first boss 111. The end of the shaft core 3 passes through the first boss 111 and extends into the upper support seat 4 and is rotatably engaged with the upper support seat 4. The upper end surface of the lower support seat 5 abuts against the second boss 112. The end of the shaft core 3 passes through the second boss 112 and extends into the lower support seat 5 and is rotatably engaged with the lower support seat 5, enhancing the bearing capacity of the hinge and making its service life long. After the hinge is installed, the upper support seat 4 acts on the first boss 111, and the lower support seat 5 acts on the second boss 112. The bosses can play a supporting role. The two ends of the shaft core 3 extend into the corresponding support seats and can rotate relative to the support seats, so that the force acts on the bosses, and the bosses are provided on the inner side wall of the sleeve, which is more convenient for processing.

[0028] The shaft core 3 includes an upper shaft body 31 and a lower shaft body 32. The upper shaft body 31 and the lower shaft body 32 are integrally formed or separately arranged. The upper end of the upper shaft body 31 is inserted into the upper support seat 4 and is rotatably matched with the upper support seat 4. The lower end of the upper shaft body 31 is inserted into the second sleeve 21 and is fixedly connected to the second sleeve 21. The lower end of the lower shaft body 32 is inserted into the lower support seat 5 and is rotatably matched with the lower support seat 5. The upper end of the lower shaft body 32 is inserted into the second sleeve 21 and is fixedly connected to the second sleeve 21. It has high coaxiality, no abnormal noise after long-term use, and is convenient to install at the same time.

[0029] The upper support seat 4 is provided with an upper rotation groove 41 arranged in a "U" shape, and the lower support seat 5 is provided with a lower rotation groove 51 arranged in a "U" shape. The end of the shaft core 3 is provided with an arc surface that matches the upper rotation groove 41 or the lower rotation groove 51, making the rotation of the shaft core 3 smoother, without jamming, and with less wear.

[0030] Whether the hinge is plated or not will affect the installation method of the hinge. Embodiment 1 is the installation method of the plated hinge: It also includes an upper machine screw 6, a lower machine screw 7, an upper cap 8, and a lower cap 9. The upper cap 8, the upper machine screw 6, and the upper support seat 4 are sequentially arranged in the first sleeve 11 at the upper end of the first hinge plate 1 from top to bottom. The upper cap 8 is fixedly connected to the first sleeve 11. The lower cap 9, the lower machine screw 7, and the lower cap 9 are sequentially arranged in the first sleeve 11 at the lower end of the first hinge plate 1 from bottom to top. The lower cap 9 is fixedly connected to the first sleeve 11. It is suitable for hinges that need to be plated. After plating the hinge, then install the machine screws and caps, which plays a role in sealing the support seat, preventing it from falling, and has good sealing performance.

[0031] Embodiment 2 is the installation method of the non-plated hinge: It also includes an upper closure 10 and a lower closure 20. The upper closure 10 is located in the first sleeve 11 at the upper end of the first hinge plate 1 and is fixedly connected to the first sleeve 11. The end of the upper closure 10 is welded flush with the upper end face of the first sleeve 11. The lower closure 20 is located in the first sleeve 11 at the lower end of the first hinge plate 1 and is fixedly connected to the first sleeve 11. The end of the lower closure 20 is welded flush with the lower end face of the first sleeve 11. It is suitable for hinges that do not need to be plated. Install the closures in the first sleeve 11 and weld the ends flush with the ends of the first sleeve 11, which is more beautiful and plays a role in sealing the support seat with good sealing performance.

Claims

1. A hinge structure, comprising a first hinge piece (1), a second hinge piece (2) and a shaft core (3). At least two first sleeves (11) are provided at one side of the first hinge piece (1) at intervals. A second sleeve (21) is provided at one side of the second hinge piece (2) corresponding to the space between two adjacent first sleeves (11). The shaft core (3) is inserted into the second sleeve (21) and fixedly connected to the second sleeve (21). The end of the shaft core (3) is inserted into the first sleeve (11) and rotatably matched with the first sleeve (11). It is characterized in that, It further includes an upper support base (4) and a lower support base (5). The upper support base (4) is arranged in a first sleeve (11) at the upper end of the first hinge piece (1) and is fixedly connected to the first sleeve (11). The lower support base (5) is arranged in the first sleeve (11) at the lower end of the first hinge piece (1) and is fixedly connected to the first sleeve (11). On the inner side wall of the first sleeve (11) at the upper end of the first hinge piece (1), there is a first boss (111). On the inner side wall of the first sleeve (11) at the lower end of the first hinge piece (1), there is a second boss (112). The lower end face of the upper support base (4) abuts against the first boss (111). The end of the shaft core (3) passes through the first boss (111) and extends into the upper support base (4), and is rotationally matched with the upper support base (4). The upper end face of the lower support base (5) abuts against the second boss (112). The end of the shaft core (3) passes through the second boss (112) and extends into the lower support base (5), and is rotationally matched with the lower support base (5).

2. The hinge structure according to claim 1, wherein The shaft core (3) includes an upper shaft body (31) and a lower shaft body (32). The upper shaft body (31) and the lower shaft body (32) are integrally formed or separately arranged. The upper end of the upper shaft body (31) is inserted into the upper support base (4) and is rotationally matched with the upper support base (4). The lower end of the upper shaft body (31) is inserted into the second sleeve (21) and is fixedly connected to the second sleeve (21). The lower end of the lower shaft body (32) is inserted into the lower support base (5) and is rotationally matched with the lower support base (5). The upper end of the lower shaft body (32) is inserted into the second sleeve (21) and is fixedly connected to the second sleeve (21).

3. The hinge structure according to claim 1 or 2, characterized in that, The upper support base (4) is provided with an upper rotation groove (41) arranged in a "U" shape. The lower support base (5) is provided with a lower rotation groove (51) arranged in a "U" shape. The end of the shaft core (3) is provided with an arc surface that matches the upper rotation groove (41) or the lower rotation groove (51).

4. The hinge structure according to claim 1 or 2, characterized in that, It further includes an upper machine screw (6), a lower machine screw (7), an upper cap head (8), and a lower cap head (9). The upper cap head (8), the upper machine screw (6), and the upper support base (4) are sequentially arranged from top to bottom in the first sleeve (11) at the upper end of the first hinge piece (1). The upper cap head (8) is fixedly connected to the first sleeve (11). The lower cap head (9), the lower machine screw (7), and the lower cap head (9) are sequentially arranged from bottom to top in the first sleeve (11) at the lower end of the first hinge piece (1). The lower cap head (9) is fixedly connected to the first sleeve (11).

5. The hinge structure according to claim 1 or 2, characterized in that, It further includes an upper closure (10) and a lower closure (20). The upper closure (10) is located in the first sleeve (11) at the upper end of the first hinge piece (1) and is fixedly connected to the first sleeve (11). The end of the upper closure (10) is welded flush with the upper end face of the first sleeve (11). The lower closure (20) is located in the first sleeve (11) at the lower end of the first hinge piece (1) and is fixedly connected to the first sleeve (11). The end of the lower closure (20) is welded flush with the lower end face of the first sleeve (11).

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