Spring hinge

Abstract

The utility model discloses a spring hinge, which relates to the technical field of hinges and comprises a first sheet plate, a second sheet plate and a spring, the spring rod is connected between the first sheet plate and the second sheet plate; the connecting ends are arranged at the bottom and the top of one side of the second sheet plate; the spring ring is nested on the outer side of the spring rod; the spring rod is composed of a main rod, sliding rods, small threaded columns, small threaded sleeves and a pinching handle, the sliding rods are arranged at the two ends of the main rod, the small threaded columns are arranged at one ends of the sliding rods, the small threaded sleeves are embedded in the outer sides of the small threaded columns, and the pinching handle is hinged to the outer side of the main rod; according to the spring hinge, after the spring is fatigued and damaged, the fatigued and damaged spring can be taken out and replaced, the whole spring hinge does not need to be scrapped and replaced, and the use cost of the spring hinge is reduced to a certain extent.

Description

Technical Field

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

[0002] A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow them to rotate relative to each other. It can be composed of movable components or foldable materials. Among the many hinges, spring hinges are a more common type. In real life, we find that after a certain period of use, spring hinges are damaged due to transition fatigue of the spring. The elastic deformation of the spring after compression will gradually transform into plastic deformation, making the spring hinge ineffective and useless. Since the spring installed in the current spring hinge cannot be removed separately, when the spring breaks, the entire spring hinge will be scrapped and the entire spring hinge must be replaced, which increases the cost of using the spring hinge to a certain extent. Utility Model Content

[0003] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a spring hinge. When the spring is fatigued and damaged, the fatigued and damaged spring can be taken out and replaced without scrapping and replacing the entire spring hinge, which reduces the use cost of the spring hinge to a certain extent.

[0004] The utility model is implemented in this way, and a spring hinge is constructed, comprising: a first plate, one side of the first plate is movably connected with a second plate; a spring rod, the spring rod is connected between the first plate and the second plate; a connecting end, the connecting end is arranged at the bottom and the top of one side of the second plate; a spring ring, the spring ring is nested on the outside of the spring rod;

[0005] As a supplement to the above, it should be noted that: the spring ring is limited by the spring rod and the connecting end, the spring rod is connected to the second plate through the connecting end, there are two groups of connecting ends, the two groups of connecting ends respectively fix the top and bottom of the spring rod, and the spring rod can also be loosened through the two groups of connecting ends. When the utility model is installed between two spliced ​​objects, the connecting end and the spring rod are located outside the gap between the two spliced ​​objects.

[0006] Furthermore, the spring rod is composed of a main rod, a sliding rod, a small threaded column, a small threaded sleeve and a pinch handle, the sliding rod is arranged at both ends of the main rod, the small threaded column is arranged at one end of the sliding rod, the small threaded sleeve is nested outside the small threaded column, and the pinch handle is hinged to the outside of the main rod;

[0007] There are two groups of small threaded columns and small threaded sleeves respectively. The spring coil is nested to the outside of the sliding rod, and then the small threaded sleeve is nested to the outside of the small threaded column to support the spring coil to prevent it from sliding up and down. The user can pinch the handle to facilitate the spring rod to be lifted out from between the No. 1 plate and the No. 2 plate, and it is also convenient to place the spring rod between the No. 1 plate and the No. 2 plate.

[0008] Furthermore, the connecting end is composed of a large threaded column, a limiting half groove and a large threaded sleeve, the limiting half groove is opened on one side of the large threaded column, and the large threaded sleeve is nested on the outside of the large threaded column;

[0009] There are two groups of connecting ends. The structural principles of the two groups of connecting ends are the same. The limiting small threaded column is accommodated through the limiting half groove. At the same time, the limiting half groove and the large threaded column are formed in one piece. The outside of the large threaded sleeve is provided with anti-slip grooves. When the small threaded column is embedded in the inner side of the limiting half groove, the large threaded sleeve is rotated by friction, so that the large threaded sleeve slides on the outside of the large threaded column to block the limiting half groove. At the same time, the large threaded sleeve contacts and supports the small threaded sleeve to fix the spring rod.

[0010] Further, the first sheet is composed of the main sheet A and a connecting ring, and the connecting ring is provided at the top and bottom of one side of the main sheet A;

[0011] The short shaft is accommodated by the connecting ring, and threaded through holes are opened at the bottom and top of the main plate A.

[0012] Further, the second sheet is composed of a main sheet B, a support end and a short shaft, the support end is arranged at the top and bottom of one side of the main sheet B, and the short shaft is connected to one end of the support end;

[0013] When the short shaft is embedded in the inner side of the connecting ring, the two are connected through the bearing, one end of the supporting end is fixedly connected to one end of the large threaded column, and the bottom and top of the main plate B are provided with threaded through holes.

[0014] Furthermore, there are two groups of spring coils, and the outer edge legs at the bottom and top of the spring coils are long legs; the spring coils are torsion springs, and their long legs are convenient for receiving the pressure of the folding of the first plate and the second plate.

[0015] The beneficial effects of the utility model can be reflected as follows after specific analysis: in the utility model, the spring is a spring coil. When the spring coil in the spring hinge of the utility model is fatigue-damaged, the two objects on which the spring hinge of the utility model is installed are laid flat and are not allowed to be closed. Then, the large threaded sleeve of the friction connection end is rotated to make the large threaded sleeve leave the opening of the limiting half groove. Then, the spring rod is taken out from the connection end by pinching the handle, and then the two groups of small threaded sleeves are rotated out, the two groups of fatigue-damaged spring coils are taken out, and new spring coils are replaced. The spring coil is nested in the outside of the two sliding rods, and then the handle is pinched to move the spring rod with the spring coil installed between the No. 1 plate and the No. 2 plate, so that the small threaded column of the spring rod is embedded in the inner side of the limiting half groove of the connecting end, so that the long leg of the spring coil is tightly attached to the outside of the No. 1 plate and the No. 2 plate, and the handle is placed on the outside of the No. 1 plate and the No. 2 plate, and then the two sets of large threaded sleeves are rotated respectively to block the opening of the limiting half groove, and at the same time, the end face of the large threaded sleeve contacts the end face of the small threaded sleeve. At this time, the spring is replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the spring hinge structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first sheet plate of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the second sheet plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the spring rod structure of the utility model;

[0020] Figure 5 This utility model Figure 4 Enlarged view of small and medium threaded columns;

[0021] Figure 6 This is a schematic diagram of the structure of the connection end of the utility model;

[0022] Figure 7 It is a top view of the first plate and the second plate of the utility model.

[0023] Figure numerals: plate No. 1 1, plate No. 2 2, spring rod 3, spring ring 4, connecting end 5, main plate A11, connecting ring 12, main plate B21, supporting end 22, short shaft 23, main rod 31, sliding rod 32, small threaded column 33, small threaded sleeve 34, pinch handle 35, large threaded column 51, limiting half groove 52 and large threaded sleeve 53. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings, and the technical solutions in the embodiments of the present invention will be described clearly and completely, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work shall fall within the scope of protection of the present invention;

[0025] It should be understood that ordinal numbers and directional descriptions, such as "first", "second", "third", "upper, lower, left, right", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and therefore cannot be understood as a limitation on the present utility model.

[0026] The technical solution of the utility model is further elaborated in detail below in conjunction with the accompanying drawings and specific embodiments of the specification.

[0027] Embodiment: A spring hinge provided in the present application, combined with Figure 1 and Figure 4-5 The spring rod 3 is composed of a main rod 31, a sliding rod 32, a small threaded column 33, a small threaded sleeve 34 and a pinch handle 35. The sliding rod 32 is arranged at both ends of the main rod 31, the small threaded column 33 is arranged at one end of the sliding rod 32, the small threaded sleeve 34 is nested on the outside of the small threaded column 33, and the pinch handle 35 is hinged on the outside of the main rod 31; there are two groups of spring coils 4, and the outer edge legs at the bottom and top of the spring coils 4 are long legs.

[0028] As an example, it should be noted that: the two groups of spring coils 4 are taken out, and then the small threaded sleeves 34 at the bottom and top of the spring rod 3 are screwed out of the small threaded column 33, and then the two groups of spring coils 4 are respectively nested on the outside of the two groups of sliding rods 32, so that the legs of the two groups of spring coils 4 are in a line, and then the two groups of small threaded sleeves 34 are respectively screwed on the outside of the two groups of small threaded columns 33, and the two groups of spring coils 4 are limited and fixed between the small threaded sleeves 34 and the main rod 31.

[0029] Combination Figure 1-3 and Figure 6-7 The first plate 1 is composed of a main plate A11 and a connecting ring 12, and the connecting ring 12 is arranged at the top and bottom of one side of the main plate A11; the second plate 2 is composed of a main plate B21, a supporting end 22 and a short shaft 23, and the supporting end 22 is arranged at the top and bottom of one side of the main plate B21, and the short shaft 23 is connected to one end of the supporting end 22; the connecting end 5 is composed of a large threaded column 51, a limiting half groove 52 and a large threaded sleeve 53, the limiting half groove 52 is opened on one side of the large threaded column 51, and the large threaded sleeve 53 is nested on the outside of the large threaded column 51.

[0030] As an example, it should be noted that: after installing two sets of spring coils 4 on the outside of the spring rod 3, the first plate 1 and the second plate 2 are fixed to the two objects that need to be connected using spring hinges by screws relying on their threaded passages, so that the connecting end 5, the supporting end 22 and the connecting ring 12 are outside the gap of the connecting position between the two objects, and then the handle 35 is pinched to move the spring rod 3 with the spring coil 4 installed between the first plate 1 and the second plate 2, so that the small threaded column 33 of the spring rod 3 is embedded in the inner side of the limiting half groove 52 of the connecting end 5, so that the long leg of the spring coil 4 is tightly attached to the outside of the first plate 1 and the second plate 2, and the same When the handle 35 is located outside the first plate 1 and the second plate 2, the two sets of large threaded sleeves 53 are rotated respectively to block the opening of the limiting half groove 52, and at the same time, the end surface of the large threaded sleeve 53 contacts the end surface of the small threaded sleeve 34. At this time, the spring hinge of the utility model is completely installed. When the two objects with the spring hinge of the utility model need to be folded, the first plate 1 and the second plate are closed to drive the long legs of the two spring coils 4 to close. When the folding of the two objects is completed, the pressure of the long legs of the two spring coils 4 applied by the first plate 1 and the second plate disappears, and the two spring coils 4 are reset to drive the two objects with the spring hinge of the utility model to be reset.

[0031] When the spring coil 4 in the spring hinge of the utility model is fatigue-damaged, the two objects installed with the spring hinge of the utility model are laid flat and not allowed to be closed, and then the large threaded sleeve 53 of the connecting end 5 is rubbed and rotated to make the large threaded sleeve 53 leave the opening of the limiting half groove 52, and then the spring rod 3 is taken out from the connecting end 5 by the pinching handle 35, and then the two groups of small threaded sleeves 34 are screwed out, and the two groups of fatigue-damaged spring coils 4 are taken out, and new spring coils 4 are replaced and nested on the outside of the two sliding rods 32, and then the new spring coils 4 are fixed using the small threaded sleeves 34 in the above manner, and then the spring rod 3 with the spring coil 4 installed is fixed to the connecting end 5 between the No. 1 plate 1 and the No. 2 plate 2 in the above manner.

[0032] In summary, when the spring of the spring hinge of the utility model is damaged due to fatigue, the damaged spring can be taken out and replaced without scrapping and replacing the entire spring hinge, which reduces the use cost of the spring hinge to a certain extent.

[0033] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here; it should be pointed out that for technical personnel in this field, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent; the protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A spring hinge, characterized in that: include: A first plate (1), one side of the first plate (1) being movably connected to a second plate (2); a spring rod (3), the spring rod (3) being connected between the first plate (1) and the second plate (2); a connecting end (5), the connecting end (5) being arranged at the bottom and the top of one side of the second plate (2); and a spring ring (4), the spring ring (4) being nested on the outside of the spring rod (3).

2. A spring hinge according to claim 1, characterized in that: The spring rod (3) is composed of a main rod (31), a sliding rod (32), a small threaded column (33), a small threaded sleeve (34) and a pinch handle (35); the sliding rod (32) is arranged at both ends of the main rod (31); the small threaded column (33) is arranged at one end of the sliding rod (32); the small threaded sleeve (34) is nested on the outside of the small threaded column (33); and the pinch handle (35) is hinged to the outside of the main rod (31).

3. A spring hinge according to claim 1, characterized in that: The connecting end (5) is composed of a large threaded column (51), a limiting half groove (52) and a large threaded sleeve (53); the limiting half groove (52) is opened on one side of the large threaded column (51), and the large threaded sleeve (53) is nested on the outside of the large threaded column (51).

4. The spring hinge according to claim 1, characterized in that: The first plate (1) is composed of a main plate A (11) and a connecting ring (12), and the connecting ring (12) is arranged on the top and bottom of one side of the main plate A (11).

5. The spring hinge according to claim 1, characterized in that: The second plate (2) is composed of a main plate B (21), a support end (22) and a short shaft (23), wherein the support end (22) is arranged at the top and bottom of one side of the main plate B (21), and the short shaft (23) is connected to one end of the support end (22).

6. The spring hinge according to claim 1, characterized in that: There are two groups of spring rings (4), and the outer edge legs at the bottom and top of the spring rings (4) are long legs.

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