Door hinge capable of being opened inwards and outwards

Abstract

The utility model belongs to the technical field of door hinges, and discloses a door hinge capable of being opened inwards and outwards, which comprises a hinge body, two symmetrical sides of the hinge body are fixedly connected with connecting columns, two ends of the two connecting columns are rotatably connected with connectors, and one side, far away from the hinge body, of each connector is fixedly connected with a connecting piece used for connecting a door plate; the connecting piece comprises a connecting plate, a penetrating type mounting cavity is formed in the connecting plate in the length direction of the connecting plate, two adjusting plates are symmetrically connected into the mounting cavity in a sliding mode, and first through holes and second through holes which are connected with the bolts are formed in the adjusting plates and the connecting plate correspondingly. After the connecting plate and the adjusting plate are fixedly connected with the door plate, the bolts on the door plate and the connecting plate are unscrewed, the adjusting plate is pulled to move relative to the connecting plate, and then the bolts are screwed onto the adjusting plate again, so that position replacement can be completed without detaching the hinge again after the connecting area of the door plate or the door frame and the device is damaged, and the replacement efficiency of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of door hinges, and in particular relates to a door hinge which can be opened inside and outside. Background Art

[0002] Existing door hinges usually can only realize one-way opening of the door, that is, the door can only be opened inward or outward. This design limits the flexibility of the door to a certain extent, especially in some special occasions, such as emergency escape, space utilization, etc. Therefore, door hinges that can be opened inward and outward appear. However, when the existing door hinges are used, the door panel and the door hinge are fixed by bolts, so the force point will act on the bolts. As the use time increases, the area near the connection will be pulled apart by the bolts, making the door panel unable to be used normally. Therefore, after the connection area between the door panel and the device is damaged, the hinge needs to be removed and replaced, which increases the difficulty of replacing the device and reduces the efficiency of replacing the device. Utility Model Content

[0003] The purpose of the utility model is to provide a door hinge which can be opened inwards and outwards, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the utility model provides the following technical solution: a door hinge that can be opened inward and outward, comprising a hinge body, two symmetrical sides of the hinge body are fixedly connected with connecting columns, both ends of the two connecting columns are rotatably connected with connecting heads, and a connecting piece for connecting a door panel is fixedly connected to the side of the connecting head away from the hinge body;

[0005] The connecting member includes a connecting plate, a through-type installation cavity is opened inside the connecting plate along its length direction, two adjustment plates are symmetrically and slidably connected inside the installation cavity, and a first through hole and a second through hole connected with bolts are respectively opened on the adjustment plate and the connecting plate.

[0006] Preferably, one side of the adjustment plate is fixedly connected to a limiting plate, and the width of the limiting plate is greater than the width of the adjustment plate.

[0007] Preferably, a groove is formed on a side of the limiting plate away from the adjusting plate.

[0008] Preferably, a side groove and a guide groove are provided on one side of the connecting plate, the side grooves are symmetrically distributed on both sides of the guide groove, and the side grooves and the guide groove are on the same side as the second through hole, and the adjustment plate is fixedly connected with a side rod facing the guide groove, one end of the side rod passes through the guide groove, and a screw ring is screwed on the side rod to abut against the side groove.

[0009] Preferably, a rubber plate is bonded to a side of the connecting plate away from the guide groove.

[0010] Preferably, the connector is provided with an injection hole for injecting lubricating oil.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model provides a connecting plate and an adjusting plate. After the connecting plate and the adjusting plate are fixedly connected to the door panel, the bolts on the door panel and the connecting plate are unscrewed, the adjusting plate is pulled to move relative to the connecting plate, and the bolts are then tightened onto the adjusting plate again. This allows the position to be adjusted without having to remove the hinge and replace the installation position after the connection area between the door panel or door frame and the device is damaged, thereby reducing the difficulty of replacing the device and improving the efficiency of replacing the device.

[0013] (2) On the basis of the above-mentioned beneficial effects, when the position of the adjustment plate is adjusted, the adjustment plate will drive the side rod to move together, and the screw ring will be screwed together with the side rod so that the screw ring will be against the connecting plate, thereby fixing the adjustment plate at the position required by the personnel, making the position of the adjustment plate more stable after adjustment, thereby improving the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is one of the three-dimensional diagrams of the utility model;

[0015] Figure 2 This is the second stereogram of the utility model;

[0016] Figure 3 It is one of the three-dimensional images after adjustment of the utility model;

[0017] Figure 4 This is the second stereogram after adjustment of the utility model;

[0018] Figure 5 This is a three-dimensional diagram of the utility model with the adjustment plate removed;

[0019] Figure 6 It is a three-dimensional diagram of the adjustment plate of the utility model;

[0020] In the figure: 1. hinge body; 2. connecting column; 3. drawing groove; 4. connecting plate; 5. side groove; 6. guide groove; 7. first through hole; 8. connecting head; 9. limit plate; 10. side rod; 11. second through hole; 12. screw ring; 13. adjustment plate; 14. injection hole; 15. rubber plate; 16. installation cavity. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0022] See also Figure 1-Figure 6 As shown, the utility model provides the following technical solutions:

[0023] A door hinge capable of opening inward and outward, comprising a hinge body 1, two symmetrical sides of the hinge body 1 are fixedly connected with connecting columns 2, both ends of the two connecting columns 2 are rotatably connected with connecting heads 8, and a connecting piece for connecting a door panel is fixedly connected to the side of the connecting head 8 away from the hinge body 1;

[0024] The connecting member includes a connecting plate 4, which has a through installation cavity 16 along its length. Two adjustment plates 13 are symmetrically and slidably connected inside the installation cavity 16. The adjustment plate 13 and the connecting plate 4 are respectively provided with a first through hole 7 and a second through hole 11 connected with bolts.

[0025] Through the above technical solution, when personnel need to install the device, one of the connecting plates 4 is placed on the door panel, and then the bolt is passed through the first through hole 7 and the second through hole 11 between the connecting plate 4 and the adjusting plate 13, and the bolt is turned to tighten the bolt into the door panel. The connecting plate 4 and the adjusting plate 13 are supported by the bolt to fix the connecting plate 4 on the door panel. According to the above steps, the other connecting plate 4 is fixed to the door frame, and the connecting plate 4 and the connecting head 8 can rotate bidirectionally around the hinge body 1 through the cooperation of the hinge body 1 and the connecting column 2. When the door panel or door When the connection between the frame and the connecting plate 4 is damaged, unscrew the bolts between one of the adjustment plates 13 and the connecting plate 4, pull the adjustment plate 13, and move the adjustment plate 13 to the outside of the installation cavity 16, so that a first through hole 7 on the adjustment plate 13 is outside the connecting plate 4, and then pass the bolt through the first through hole 7 on the adjustment plate 13 and tighten it, so that the adjustment plate 13 is fixed to the door panel or door frame, and according to the above steps, fix the other adjustment plates 13 in turn, so as to readjust the connection position between the device and the door frame or door panel without completely disassembling the hinge for fixing.

[0026] In addition, in the present invention, in order to facilitate the pulling of the adjustment plate 13 and prevent the adjustment plate 13 from completely falling into the installation cavity 16 and being unable to be pulled out, Figure 1-Figure 4 and Figure 6 As shown, one side of the adjustment plate 13 is fixedly connected to the limiting plate 9 , and the width of the limiting plate 9 is greater than the width of the adjustment plate 13 .

[0027] In this embodiment, the adjustment plate 13 cooperates to facilitate the pulling of the limit plate 9 .

[0028] And, in order to facilitate the pulling of the limit plate 9, as Figure 1-Figure 4 As shown, a groove 3 is formed on the side of the limiting plate 9 away from the adjusting plate 13 .

[0029] In this embodiment, the pull groove 3 allows the adjustment plate 13 to be easily pulled.

[0030] In addition, in the present invention, when the personnel need to adjust the position of the adjustment plate 13, in order to make the adjusted position of the adjustment plate 13 more secure, as shown in FIG. Figure 1-Figure 6 As shown, a side groove 5 and a guide groove 6 are provided on one side of the connecting plate 4, and the side grooves 5 are symmetrically distributed on both sides of the guide groove 6, and the side grooves 5 and the guide groove 6 are on the same side of the second through hole 11, and a side rod 10 is fixedly connected to the side of the adjusting plate 13 facing the guide groove 6, one end of the side rod 10 passes through the guide groove 6, and a screw ring 12 is screwed on the side rod 10 to abut against the side groove 5.

[0031] In this embodiment, when a person pulls the adjustment plate 13 to move relative to the connecting plate 4, the adjustment plate 13 will drive the side rod 10 to move together, and limit the moving direction of the side rod 10 through the guide groove 6, so that the adjustment plate 13 is more stable when moving. When the position of the adjustment plate 13 is adjusted, the screw ring 12 is screwed together with the side rod 10, and the connecting plate 4 is supported by the screw ring 12, so that the adjustment plate 13 is fixed at the position required by the person, so that the adjusted position of the adjustment plate 13 is tighter.

[0032] In order to make the connecting plate 4 more secure when fixed, Figure 2 and Figure 4 As shown, a rubber plate 15 is bonded to the side of the connecting plate 4 away from the guide groove 6 .

[0033] In this embodiment, when the connecting plate 4 is fixed, the rubber plate 15 cooperates with the connecting plate 4 to make the connecting plate 4 more firmly fixed.

[0034] And, in order to make the device rotate more smoothly, such as Figure 1-Figure 5 As shown, the connector 8 is provided with an injection hole 14 for injecting lubricating oil.

[0035] In this embodiment, when a person uses the device, lubricating oil is injected through the injection hole 14 to make the connecting plate 4 rotate more smoothly.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door hinge capable of opening inwards and outwards, characterized in that: The hinge comprises a hinge body (1), wherein two symmetrical sides of the hinge body (1) are fixedly connected to connecting columns (2), both ends of the two connecting columns (2) are rotatably connected to connecting heads (8), and a connecting piece for connecting a door panel is fixedly connected to the side of the connecting head (8) away from the hinge body (1); The connecting member comprises a connecting plate (4), wherein a through-type installation cavity (16) is provided inside the connecting plate (4) along its length direction, and two adjustment plates (13) are symmetrically and slidably connected inside the installation cavity (16), and a first through hole (7) and a second through hole (11) connected with bolts are respectively provided on the adjustment plate (13) and the connecting plate (4).

2. A door hinge capable of opening inwards and outwards according to claim 1, characterized in that: One side of the adjustment plate (13) is fixedly connected to a limiting plate (9), and the width of the limiting plate (9) is greater than the width of the adjustment plate (13).

3. The door hinge capable of opening inwards and outwards according to claim 2, characterized in that: A groove (3) is provided on a side of the limiting plate (9) away from the adjusting plate (13).

4. The door hinge capable of opening inwards and outwards according to claim 3, characterized in that: A side groove (5) and a guide groove (6) are provided on one side of the connecting plate (4), the side grooves (5) are symmetrically distributed on both sides of the guide groove (6), and the side grooves (5) and the guide groove (6) are on the same side as the second through hole (11), and a side rod (10) is fixedly connected to the side of the adjusting plate (13) facing the guide groove (6), one end of the side rod (10) passes through the guide groove (6), and a screw ring (12) is screwed on the side rod (10) and contacts the side groove (5).

5. The door hinge capable of opening inwards and outwards according to claim 4, characterized in that: A rubber plate (15) is bonded to the side of the connecting plate (4) away from the guide groove (6).

6. The door hinge capable of opening inwards and outwards according to claim 1, characterized in that: The connector (8) is provided with an injection hole (14) for injecting lubricating oil.

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