Hinge

Abstract

The utility model relates to a hinge which comprises a first hinge piece, a second hinge piece and a shaft core, one side of the first hinge piece is provided with at least two first sleeves arranged at intervals, 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 and fixedly connected with the second sleeve. The upper end of the shaft core is inserted into a first sleeve at the upper end of the first hinge piece, the lower end of the shaft core is inserted into a first sleeve at the lower end of the first hinge piece, the shaft core is in running fit with the first sleeve, the upper supporting seat is arranged in the first sleeve at the upper end of the first hinge piece and fixedly connected with the first sleeve, and the lower supporting seat is arranged in the first sleeve at the lower end of the first hinge piece. The lower supporting seat is arranged in the first sleeve at the lower end of the first hinge piece and fixedly connected with the first sleeve. By the adoption of the technical scheme, the boss is arranged on the shaft core, the supporting base is additionally arranged in the first sleeve, the boss is located on the second sleeve after the shaft core is installed, the supporting base abuts against the boss, the bearing capacity of the hinge is increased, and the service life is long.

Description

Technical Field

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

[0002] Hinges are usually two-fold type, consisting of a pair of metal or non-metal leaves connected by an axle pin. They are components that connect two parts of an object and enable them to move.

[0003] Existing hinges usually include a first hinge piece and a second hinge piece. One side of the first hinge piece is provided with at least two first sleeves arranged at intervals. One side of the second hinge piece is provided with a second sleeve between the two adjacent first sleeves. It also includes an axis core, which is passed through the second sleeve and fixedly connected to the second sleeve. The upper end of the axis core is inserted into the first sleeve at the upper end of the first hinge piece, and the lower end of the axis core is inserted into the first sleeve at the lower end of the first hinge piece, and the two ends of the axis core are rotatably matched with the corresponding first sleeves.

[0004] In recent years, the market has been demanding high-end security doors, and the requirements for exquisite design and precision of door frame and door leaf are getting higher and higher. In addition, the weight of door leaves is getting heavier due to the structure and material of the door leaves. Therefore, when the above-mentioned hinges are used on the door body, the hinges themselves have a low bearing capacity and cannot withstand too much external force, and are prone to damage after long-term use. Summary of the invention

[0005] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a hinge, a boss is arranged on the shaft core, a support seat is added in the first sleeve, after the shaft core is installed, the boss is located on the second sleeve, the support seat and the boss are in conflict, the bearing capacity of the hinge is increased, and the service life is long.

[0006] The technical solution of the utility model: a hinge comprises a first hinge piece, a second hinge piece and an axis core, one side of the first hinge piece is provided with at least two first sleeves arranged at intervals, one side of the second hinge piece is provided with a second sleeve between two adjacent first sleeves, the axis core is inserted in the second sleeve and fixedly connected with the second sleeve, the upper end of the axis core is inserted in the first sleeve at the upper end of the first hinge piece, the lower end of the axis core is inserted in the first sleeve at the lower end of the first hinge piece, the axis core is rotatably matched with the first sleeve, and also includes an upper support seat and a lower support seat, the upper support seat is arranged in the first The cam is secured to the bottom of the second support frame, and the cam is secured to the bottom of the second support frame by a spring, the spring being secured to the bottom of the second support frame by a spring.

[0007] By adopting the above technical scheme, the bearing capacity of the hinge is enhanced and its service life is prolonged. After the hinge is installed, the upper boss is erected on the upper end surface of the second sleeve, and the lower boss contacts the lower end surface of the second sleeve to play a supporting role. The two ends of the shaft core extend into the corresponding support seats and can rotate relative to the support seats so that force acts on the bosses.

[0008] Further configuration of the utility model: the upper support seat is provided with an upper rotating groove in a "U" shape, the lower support seat is provided with a lower rotating groove in a "U" shape, the upper end surface of the shaft core and the lower end surface of the shaft core are both arranged in an arc shape, the upper end surface of the shaft core contacts the top wall of the upper rotating groove, and the lower end surface of the shaft core contacts the bottom wall of the lower rotating groove.

[0009] With the above further arrangement, the arc-shaped fit facilitates the rotation of the shaft core and makes the rotation smoother.

[0010] The utility model is further configured as follows: the shaft core includes a first shaft body and a second shaft body which are separately arranged, the upper end of the first shaft body is inserted in the upper support seat and rotatably cooperates with the upper support seat, the lower end of the first shaft body is inserted in the second sleeve and fixedly connected to the second sleeve, the lower end of the second shaft body is inserted in the lower support seat and rotatably cooperates with the lower support seat, the upper end of the second shaft body is inserted in the second sleeve and fixedly connected to the second sleeve.

[0011] With the above further arrangement, installation is more convenient and the hinges can be assembled more easily.

[0012] The utility model is further configured as follows: it also includes an upper machine screw, a lower machine screw, an upper cap head and a lower cap head, the upper machine screw and the upper cap head are located in a first sleeve at the upper end of the first hinge piece, the upper machine screw is located at the upper end of the upper support seat, the upper cap head is located at the upper end of the upper machine screw, the upper cap head is fixedly connected to the first sleeve, the lower machine screw and the lower cap head are both located in the first sleeve at the lower end of the first hinge piece, the lower machine screw is located at the lower end of the lower support seat, the lower cap head is located at the lower end of the lower machine screw, and the lower cap head is fixedly connected to the first sleeve.

[0013] The above further configuration is suitable for hinges that need to be plated. After the hinges are plated, the machine screws and cap heads are installed to seal the support seat to prevent it from falling, and the sealing is good.

[0014] The utility model is further configured as follows: it also includes an upper closure member and a lower closure member, the upper closure member is located in the first sleeve at the upper end of the first hinge piece and is fixedly connected to the first sleeve, and the end of the upper closure member is welded flush with the upper end surface of the first sleeve, the lower closure member is located in the first sleeve at the lower end of the first hinge piece and is fixedly connected to the first sleeve, and the end of the lower closure member is welded flush with the lower end surface of the first sleeve.

[0015] The above further configuration is suitable for hinges that do not require color 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 has a sealing effect on the support seat, with good sealing performance.

[0016] The utility model is further configured as follows: each of the first sleeve and the second sleeve is formed by rolling up a base plate, and both side edges of the base plate are fitted together by welding.

[0017] The above further configuration is adopted to make the appearance more beautiful and the structure of the first sleeve and the second sleeve more solid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a split schematic diagram of a specific embodiment 1 of the utility model;

[0019] Figure 2 It is a cross-sectional view of a specific embodiment 1 of the utility model;

[0020] Figure 3 This is a schematic diagram of the components in the first sleeve in the first specific embodiment of the utility model;

[0021] Figure 4 This is a split schematic diagram of a specific embodiment 2 of the utility model;

[0022] Figure 5 It is a cross-sectional view of a second specific embodiment of the present utility model;

[0023] Figure 6 This is a schematic diagram of the components in the first sleeve in the second specific embodiment of the utility model;

[0024] Figure 7 It is a top view of the first hinge piece of a specific embodiment of the utility model. DETAILED DESCRIPTION

[0025] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0028] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that technical personnel in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0029] like Figure 1-7As shown, a hinge comprises a first hinge piece 1, a second hinge piece 2 and an axis core 3, wherein at least two first sleeves 11 arranged at intervals are arranged on one side of the first hinge piece 1, and a second sleeve 21 is arranged between two adjacent first sleeves 11 on one side of the second hinge piece 2, the axis core 3 is inserted in the second sleeve 21 and fixedly connected to the second sleeve 21, the upper end of the axis core 3 is inserted in the first sleeve 11 at the upper end of the first hinge piece 1, and the lower end of the axis core 3 is inserted in the first sleeve 11 at the lower end of the first hinge piece 1, the axis core 3 is rotatably matched with the first sleeve 11, and also comprises an upper support seat 4 and a lower support seat 5, the upper support seat 4 is arranged 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 arranged in the first sleeve 11 at the lower end of the first hinge piece 1 and fixedly connected to the first sleeve 11 Fixed connection, fixed connection refers to interference fit or welding, the upper end of the shaft core 3 is provided with an upper boss 31, and the upper boss 31 is located on the upper end surface of the second sleeve 21, the shaft core 3 extends to the upper support seat 4 and rotatably cooperates with the upper support seat 4, and the lower end surface of the upper support seat 4 is abutted and set on the upper boss 31, and the lower end of the shaft core 3 is provided with a lower boss 32, and the lower boss 32 is located on the lower end surface of the second sleeve 21, the shaft core 3 extends into the lower support seat 5 and rotatably cooperates with the lower support seat 5, and the upper end surface of the lower support seat 5 is abutted and set on the lower boss 32, so as to enhance the bearing capacity of the hinge and prolong its service life. After the hinge is installed, the upper boss is erected on the upper end surface of the second sleeve, and the lower boss contacts the lower end surface of the second sleeve to play a supporting role. The two ends of the shaft core extend into the corresponding support seats and can rotate relative to the support seats so that force acts on the bosses. Each of the first sleeve 11 and the second sleeve 12 is formed by rolling up a base plate, and the two side edges of the base plate are fitted together by welding. There is no gap after welding, which is more beautiful and makes the structure of the first sleeve 11 and the second sleeve 12 more solid.

[0030] Specifically, the shaft core and the support seat are rotated together, the upper support seat 4 is provided with an upper rotating groove 41 in a "U" shape, and the lower support seat 5 is provided with a lower rotating groove 51 in a "U" shape. The upper end face of the shaft core 3 and the lower end face of the shaft core 3 are both arc-shaped, the upper end face of the shaft core 3 contacts the top wall of the upper rotating groove 41, and the lower end face of the shaft core 3 contacts the bottom wall of the lower rotating groove 51. The arc-shaped setting facilitates the rotation of the shaft core and makes the rotation smoother.

[0031] The shaft core 3 includes a first shaft body 33 and a second shaft body 34 which are separately arranged. The upper end of the first shaft body 33 is inserted in the upper support seat 4 and rotatably cooperates with the upper support seat 4. The lower end of the first shaft body 33 is inserted in the second sleeve 21 and is fixedly connected to the second sleeve 21. The lower end of the second shaft body 34 is inserted in the lower support seat 5 and rotatably cooperates with the lower support seat 5. The upper end of the second shaft body 34 is inserted in the second sleeve 21 and is fixedly connected to the second sleeve 21, which makes installation more convenient and the hinges are easy to assemble.

[0032] Embodiment 1: It also includes an upper machine screw 6, a lower machine screw 7, an upper cap head 8 and a lower cap head 9, wherein the upper machine screw 6 and the upper cap head 8 are located in the first sleeve 11 at the upper end of the first hinge piece 1, the upper machine screw 6 is located at the upper end of the upper support seat 4, the upper cap head 8 is located at the upper end of the upper machine screw 6, the upper cap head 8 is fixedly connected to the first sleeve 11, the lower machine screw 7 and the lower cap head 9 are both located in the first sleeve 11 at the lower end of the first hinge piece 1, the lower machine screw 7 is located at the lower end of the lower support seat 5, the lower cap head 9 is located at the lower end of the lower machine screw 7, the lower cap head 9 is fixedly connected to the first sleeve 11, and is suitable for hinges that need to be plated. After the hinge is plated, the machine screw and the cap head are installed to block the support seat to prevent it from falling, and the sealing is good.

[0033] Embodiment 2: It also includes an upper closure member 10 and a lower closure member 20. The upper closure member 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, and the end of the upper closure member 10 is welded flush with the upper end surface of the first sleeve 11. The lower closure member 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, and the end of the lower closure member 20 is welded flush with the lower end surface of the first sleeve 11. It is suitable for hinges that do not require color plating. The closure member is installed in the first sleeve, and the end is welded flush with the end of the first sleeve, which is more beautiful and has a sealing effect on the support seat, and has good sealing performance.

Claims

1. A hinge, comprising a first hinge piece (1), a second hinge piece (2) and an axis core (3), wherein at least two first sleeves (11) are arranged at intervals on one side of the first hinge piece (1), and a second sleeve (21) is arranged between two adjacent first sleeves (11) on one side of the second hinge piece (2), the axis core (3) is inserted into the second sleeve (21) and is fixedly connected to the second sleeve (21), the upper end of the axis core (3) is inserted into the first sleeve (11) at the upper end of the first hinge piece (1), and the lower end of the axis core (3) is inserted into the first sleeve (11) at the lower end of the first hinge piece (1), and the axis core (3) and the first sleeve (11) are rotatably matched, characterized in that: The invention also comprises an upper support seat (4) and a lower support seat (5), wherein the upper support seat (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), and the lower support seat (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), and the upper end of the shaft core (3) is provided with an upper boss (31), and the upper boss (31) is located at the second sleeve (21). The shaft core (3) extends to the upper support seat (4) and is rotatably matched with the upper support seat (4). The lower end surface of the upper support seat (4) is set on the upper boss (31) in abutment. The lower end of the shaft core (3) is provided with a lower boss (32). The lower boss (32) is located on the lower end surface of the second sleeve (21). The shaft core (3) extends into the lower support seat (5) and is rotatably matched with the lower support seat (5). The upper end surface of the lower support seat (5) is set on the lower boss (32) in abutment.

2. The hinge according to claim 1, characterized in that: The upper support seat (4) is provided with an upper rotating groove (41) arranged in a "U" shape, and the lower support seat (5) is provided with a lower rotating groove (51) arranged in a "U" shape. The upper end surface of the shaft core (3) and the lower end surface of the shaft core (3) are both arranged in an arc shape. The upper end surface of the shaft core (3) contacts the top wall of the upper rotating groove (41), and the lower end surface of the shaft core (3) contacts the bottom wall of the lower rotating groove (51).

3. The hinge according to claim 1 or 2, characterized in that: The shaft core (3) comprises a first shaft body (33) and a second shaft body (34) which are separately arranged. The upper end of the first shaft body (33) is inserted into the upper support seat (4) and is rotatably matched with the upper support seat (4). The lower end of the first shaft body (33) is inserted into the second sleeve (21) and is fixedly connected to the second sleeve (21). The lower end of the second shaft body (34) is inserted into the lower support seat (5) and is rotatably matched with the lower support seat (5). The upper end of the second shaft body (34) is inserted into the second sleeve (21) and is fixedly connected to the second sleeve (21).

4. The hinge according to claim 3, characterized in that: The invention also comprises an upper machine screw (6), a lower machine screw (7), an upper cap head (8) and a lower cap head (9), wherein the upper machine screw (6) and the upper cap head (8) are located in a first sleeve (11) at the upper end of the first hinge piece (1), the upper machine screw (6) is located at the upper end of the upper support seat (4), the upper cap head (8) is located at the upper end of the upper machine screw (6), and the upper cap head (8) is fixedly connected to the first sleeve (11), the lower machine screw (7) and the lower cap head (9) are both located in the first sleeve (11) at the lower end of the first hinge piece (1), the lower machine screw (7) is located at the lower end of the lower support seat (5), the lower cap head (9) is located at the lower end of the lower machine screw (7), and the lower cap head (9) is fixedly connected to the first sleeve (11).

5. The hinge according to claim 3, characterized in that: The invention also comprises an upper closing member (10) and a lower closing member (20), wherein the upper closing member (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), and an end of the upper closing member (10) is welded flush with an upper end surface of the first sleeve (11), and the lower closing member (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), and an end of the lower closing member (20) is welded flush with a lower end surface of the first sleeve (11).

6. The hinge according to claim 1 or 2, characterized in that: Each of the first sleeves (11) and the second sleeve (21) is formed by rolling up a base plate, and two side edges of the base plate are bonded together by welding.

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