Hinge device

Abstract

The utility model discloses a hinge device which comprises a rotating handle, a base and a rotating structure. A connecting ring is arranged at the end of the rotating handle, and the rotating handle is connected with the rotating structure through the connecting ring. The rotating structure is fixed to the base, a first base hole is formed in the bottom face of the base, the base is fixed to the corresponding position of a door frame through the first base hole, a handle hole is formed in a handle body of the rotating handle, and the rotating handle is fixed to an equipment door through the handle hole. The rotating structure comprises a middle shaft, a rotating sleeve piece and a bearing ring; the base is provided with a base body and a base lug, the base lug is fixed to the upper end of the base body, the base lug is provided with a fourth base hole corresponding to the middle shaft, the middle shaft penetrates through the fourth base hole and is matched with the fourth base hole, the middle shaft is sleeved with the rotating sleeve piece and the bearing ring, and the rotating sleeve piece and the bearing ring abut against the two ends of the top face from the side face through a supporting bolt and a fixing bolt respectively. The rotating structure has the advantages of being long in service life, high in bearing capacity, convenient to install and the like.

Description

Technical Field

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

[0002] With the continuous improvement of technology, the production process of pivot hinges has also been continuously improved, whether it is the selection of materials or the optimization of process flow, which has been greatly improved. This not only improves the quality of hinges, but also reduces the cost of products, making qualified products recognized by consumers.

[0003] However, the existing hinges still have the following problems: Unreasonable design: If the design of the hinge device is unreasonable, it may cause various problems in its actual use. For example, a design that is too complicated may cause installation difficulties, and a design that is too simple may affect its stability and durability. Improper material selection: The material selection of the hinge device has an important impact on its performance and service life. If the material selection is improper, such as selecting a material of poor quality and low strength, the hinge device may not be able to withstand the pressure during normal use, resulting in premature damage. Installation problems: The installation of the hinge device requires certain skills and experience. If the installation is improper, such as inaccurate installation position, loose screws, etc., the hinge device may not work properly, and even cause safety problems, especially in equipment such as electromagnetic shielding test boxes, where the door is heavy and the equipment door has high requirements for airtightness, the equipment door needs to be installed accurately, which puts higher requirements on the hinge device.

[0004] How to develop a hinge device with reasonable design, strong load-bearing capacity and precise installation is a difficult problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The purpose of the utility model is to provide a hinge device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] Provided is a hinge device, comprising a rotating handle, a base and a rotating structure; a connecting ring is provided at the end of the rotating handle, and the rotating handle is connected to the rotating structure through the connecting ring; the rotating structure is fixed on the base, a first seat hole is provided on the bottom surface of the base, and the base is fixed to a corresponding position of the door frame through the first seat hole; a handle body of the rotating handle is provided with a handle hole, and the rotating handle is fixed to the device door through the handle hole;

[0008] The rotating structure includes a central axis, a rotating kit and a load-bearing ring; the base is provided with a seat body and a seat ear, the seat ear is fixed to the upper end of the seat body, the seat ear is provided with a fourth seat hole corresponding to the central axis, the central axis passes through the fourth seat hole and fits in, and the rotating kit and the load-bearing ring are respectively sleeved on the central axis.

[0009] Furthermore, the connecting ring is sleeved on the outside of the rotating structure, and the inner wall of the connecting ring is in contact with the rotating sleeve.

[0010] Furthermore, the base is provided with two seat ears, the central axis passes through the two seat ears, the two load-bearing rings are sleeved on the central axis and located between the two seat ears, leaving gaps with the two seat ears respectively, and the two rotating kits are sleeved on the central axis and located on the inner sides of the two load-bearing rings respectively.

[0011] Furthermore, the rotating handle is sleeved on the rotating structure and fixed to the rotating sleeve, and the rotating handle is located between the two seat ears.

[0012] Furthermore, the side wall of the seat ear is provided with a second seat hole, and a supporting bolt is provided to pass through the second seat hole and abut against the side wall of the load-bearing ring.

[0013] Furthermore, the connecting ring is provided with a first cavity and a second cavity, the first cavity is provided through the middle of the connecting ring, and two second cavities are provided which are respectively located at two ends of the first cavity and coincide with the load-bearing ring.

[0014] Furthermore, a concave ring is provided at the connection between the central axis and the fourth seat hole, a third seat hole corresponding to the concave ring is provided on the upper side of the seat ear, the third seat hole is connected to the fourth seat hole, and a fixing bolt is provided passing through the third seat hole to contact the concave ring.

[0015] Furthermore, when the device door is closed, the bottom surface of the base and the connecting surface of the rotating handle are flush with the vertical line X.

[0016] Furthermore, a hole groove is provided at the bottom of the seat ear, and the hole groove is correspondingly connected to the first seat hole.

[0017] Furthermore, the rotating handle is provided with a handle at the transition between the connecting ring and the handle body, the handle is bent outward relative to the vertical line X, the seat groove is provided with a recess corresponding to the handle, and when the device door is closed, the seat groove and the handle are closest and leave a gap.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model provides a second seat hole and a third seat hole on the base, and uses a supporting bolt and a fixing bolt to penetrate the second seat hole and the third seat hole respectively, the supporting bolt conflicts with the side wall of the load-bearing ring, and the fixing bolt conflicts with the concave ring of the central axis. The supporting bolt and the fixing bolt conflict with each other from the side and the top ends respectively, thereby greatly improving the stability of the rotating structure. The rotating structure includes a central axis, a rotating kit and a load-bearing ring. The rotating handle is connected to the rotating kit. The rotating kit is driven to rotate on the central axis by rotating the rotating handle, thereby reducing the wear of the rotating structure and improving the service life of the equipment. An arc is provided near the handle and the seat groove. When the equipment door is closed, the handle is close to the seat groove, so that the handle is not easy to break. The utility model has the characteristics of long service life, strong load-bearing capacity, and easy installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the overall structural diagram of the hinge device of the utility model;

[0021] Figure 2 This is a back view of the hinge device of the utility model;

[0022] Figure 3 It is a side structural diagram of the hinge device of the utility model;

[0023] Figure 4 for Figure 3 Enlarged view of P1 in the middle;

[0024] Figure 5 This is an internal structural diagram of the hinge device of the utility model;

[0025] Figure 6 for Figure 5 Enlarged view of P2 in the middle;

[0026] Figure 7 It is a partial cross-sectional view of the hinge device of the utility model;

[0027] Figure 8 It is a structural diagram of the rotating structure of the hinge device of the utility model;

[0028] Fig. 9 It is a structural diagram of the rotating handle of the hinge device of the utility model;

[0029] Fig.10 This is a diagram showing the effect of using the hinge device of the utility model;

[0030] Fig.11 This is a structural diagram of the base of the hinge device of the utility model;

[0031] The markings of the components in the accompanying drawings are as follows: 1 rotating handle; 11 handle body; 12 handle hole; 13 connecting ring; 131 first cavity; 132 second cavity; 14 handle; 2 base; 21 seat body; 22 first seat hole; 23 second seat hole; 24 seat groove; 25 hole groove; 26 third seat hole; 27 seat ear; 28 fourth seat hole; 3 rotating structure; 31 central axis; 311 concave ring; 32 rotating kit; 33 load-bearing ring; 41 fixing bolt; 42 supporting bolt; 5 door frame; 6 equipment door; P1 the place where the seat groove and the handle are close when the equipment door is closed; P2 the gap between the base and the load-bearing ring; X vertical line. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1 , Figure 2 and Figure 5 , a hinge device is provided, including a rotating handle 1, a base 2 and a rotating structure 3; the end of the rotating handle 1 is provided with a connecting ring 13, and the rotating handle 1 is connected to the rotating structure 3 through the connecting ring 13; the rotating structure 3 is fixed on the base 2, the bottom surface of the base 2 is provided with a first seat hole 22, and the base 2 is fixed to the corresponding position of the door frame 5 through the first seat hole 22, the handle body 11 of the rotating handle 1 is provided with a handle hole 12, and the rotating handle 1 is fixed to the equipment door 6 through the handle hole 12; the rotating structure 3 includes a central axis 31, a rotating kit 32 and a load-bearing ring 33; the base 2 is provided with a seat body 21 and a seat ear 27, and the seat ear 27 is fixed to the upper end of the seat body 21, and the seat ear 27 is provided with a fourth seat hole 28 corresponding to the central axis 31, and the central axis 31 passes through the fourth seat hole 28 and matches, and the rotating kit 32 and the load-bearing ring 33 are respectively sleeved on the central axis 31. The connecting ring 13 is sleeved on the outside of the rotating structure 3 , and the inner wall of the connecting ring 13 is in contact with the rotating sleeve 32 .

[0034] See 5 and Fig.11 The base 2 is provided with two seat ears 27, the central axis 31 passes through the two seat ears 27, the two load-bearing rings 33 are sleeved on the central axis 31 and are located between the two seat ears 27, and gaps are left between the two seat ears 27 respectively. It can be seen from the gap that the support bolt 42 is in contact with the side wall of the load-bearing ring 33, and the two rotating kits 32 are sleeved on the central axis 31 and are located on the inner sides of the two load-bearing rings 33 respectively.

[0035] For details, please refer to Figure 1 , Figure 3 and Fig. 9 The rotating handle 1 is sleeved on the rotating structure 3 and fixed to the rotating set 32. The rotating handle 1 is located between the two seat ears 27. The side wall of the seat ear 27 is provided with a second seat hole 23, and a support bolt 42 is provided to pass through the second seat hole 23 and abut against the side wall of the load-bearing ring 33. The connecting ring 13 is provided with a first cavity 131 and a second cavity 132. The first cavity 131 is provided in the middle of the connecting ring 13. Two second cavities 132 are provided, which are respectively located at the two ends of the first cavity 131 and coincide with the load-bearing ring 33. The two ends of the central axis 31 pass through the fourth seat hole 28. When the distance between the rotating set 32 ​​and the inner wall of the seat ear 27 does not meet the requirements, the distance between the rotating set 32 ​​and the seat ear can be controlled by adjusting the screw-in distance of the support bolt 42. It is very important for shielding the electromagnetic interference caused by the improper closing of the device door and for fine-tuning the position of the device door.

[0036] See also Figure 5-Figure 8 A concave ring 311 is provided at the connection between the central axis 31 and the fourth seat hole 28, and a third seat hole 26 corresponding to the concave ring 311 is provided on the upper side of the seat ear 27. The third seat hole 26 is communicated with the fourth seat hole 28, and a fixing bolt 41 is provided passing through the third seat hole 26 and contacting the concave ring 311.

[0037] See also Figure 3 and Figure 4 When the device door 6 is closed, the bottom surface of the base 2 is flush with the connecting surface of the rotating handle 1 relative to the vertical line X, which ensures the stability of the device door 6 when opening and closing. The rotating handle 1 is provided with a handle 14 at the transition between the connecting ring 13 and the handle body 11. The handle 14 is bent outward relative to the vertical line X, and seat grooves 24 are provided on both sides of the handle ears. The seat grooves 24 are bent inward to form a recess corresponding to the handle 14, and when the device door 6 is closed, the seat grooves 24 and the handle 14 are closest to each other and tend to fit together, which improves the stability of the rotating structure 3 and improves the service life.

[0038] See also Figure 5 A hole groove 25 is formed at the bottom of the seat ear 27 , and the hole groove 25 is correspondingly connected to the first seat hole 22 .

[0039] For details, please refer to Figure 2 Figure 5 and Fig.10The bottom surface of the rotating handle 1 is provided with a handle hole 12, and the handle holes 12 are preferably 5. The two sides of the front end of the handle body 11 are concave inward, and a handle hole 12 is set at the front end of the handle body 11, and the other 4 handle holes 12 are evenly distributed in the middle of the handle body 11. The bolt passes through the handle hole 12 to fix the rotating handle 1 to the equipment door 6. The base 2 is fixed on the door frame 5. The base 2 is provided with a first seat hole 22, and the first seat hole 22 is evenly distributed at the four ends of the bottom surface of the seat body 21. The first seat hole 22 is connected with the slot hole. The bolt directly passes through the slot hole and the first seat hole 22 to fix the base 2 to the door frame 5. The rear end of the handle body 11 is provided with a handle 14, and the handle 14 is bent outward. When the equipment door 6 is closed, the handle 14 is closest to the seat slot 24 and tends to be in a fitting state. The base 2 is provided with a seat ear 27, and the seat ear 27 is respectively located on both sides of the upper end of the seat body 21. The seat ears 27 on both sides are provided with corresponding fourth The seat hole 28, the rotating structure 3 is penetrated between the two fourth seat holes 28, the rotating structure 3 includes a central axis 31, a rotating kit 32 and a load-bearing ring 33, the rotating kit 32 is sleeved on the central axis 31, the rotating handle 1 is connected to the rotating kit 32 through a connecting hole, when the equipment door 6 is opened and closed, the rotating handle 1 rotates through the connecting hole, the connecting hole is provided with a second cavity 132, the load-bearing ring 33 is sleeved on the central axis 31 and is arranged in the second cavity 132, the rotating handle 1 is limited, and the inner side of the load-bearing ring 33 contacts the rotating kit 32, and the outer side is abutted by the supporting bolt 42, the upper side of the seat ear 27 is provided with a third seat hole 26, the fixing bolt 41 is inserted into the third seat hole 26, the third seat hole 26 is the same as the fourth seat hole 28, the central axis 31 is provided with a concave ring 311 at the corresponding position of the third seat hole 26, the fixing bolt 41 just abuts against the concave ring 311, thereby strengthening the fixing effect on the central axis 31.

[0040] The utility model is provided with a second seat hole 23 and a third seat hole 26 on the base 2, and a support bolt 42 and a fixing bolt 41 are respectively used to penetrate the second seat hole 23 and the third seat hole 26, the support bolt 42 conflicts with the side wall of the load-bearing ring 33, and the fixing bolt 41 conflicts with the concave ring 311 of the central axis 31, and the support bolt 42 and the fixing bolt 41 conflict with each other from the side and the top ends respectively, so that the stability of the rotating structure 3 is greatly improved. The rotating structure 3 includes the central axis 31, the rotating kit 32 and the load-bearing ring 33, and the rotating handle 1 is connected to the rotating kit 32. The rotating kit 32 is driven to rotate on the central axis 31 by rotating the rotating handle 1, thereby reducing the wear of the rotating structure 3 and improving the service life of the equipment. An arc is provided near the handle 14 and the seat groove 24. When the equipment door 6 is closed, the handle 14 is close to the seat groove 24, so that the handle 14 is not easy to break. The utility model has the characteristics of long service life, strong load-bearing capacity, and easy installation.

[0041] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hinge device, comprising a rotating handle (1), a base (2) and a rotating structure (3); characterized in that: The end of the rotating handle (1) is provided with a connecting ring (13), and the rotating handle (1) is connected to the rotating structure (3) via the connecting ring (13); the rotating structure (3) is fixed on the base (2), the bottom surface of the base (2) is provided with a first seat hole (22), the base (2) is fixed to a corresponding position of the door frame (5) via the first seat hole (22), the handle body (11) of the rotating handle (1) is provided with a handle hole (12), and the rotating handle (1) is fixed to the device door (6) via the handle hole (12); The rotating structure (3) comprises a central axis (31), a rotating sleeve (32) and a load-bearing ring (33); the base (2) is provided with a seat body (21) and a seat ear (27); the seat ear (27) is fixed to the upper end of the seat body (21); the seat ear (27) is provided with a fourth seat hole (28) corresponding to the central axis (31); the central axis (31) passes through the fourth seat hole (28) and fits in the fourth seat hole (28); the rotating sleeve (32) and the load-bearing ring (33) are respectively sleeved on the central axis (31).

2. The hinge device according to claim 1, characterized in that: The connecting ring (13) is sleeved on the outside of the rotating structure (3), and the inner wall of the connecting ring (13) is in contact with the rotating sleeve (32).

3. The hinge device according to claim 1, characterized in that: The base (2) is provided with two seat ears (27), the central axis (31) passes through the two seat ears (27), the two load-bearing rings (33) are sleeved on the central axis (31) and are located between the two seat ears (27), and gaps are left between the two seat ears (27), and the two rotating sets (32) are sleeved on the central axis (31) and are located on the inner sides of the two load-bearing rings (33).

4. The hinge device according to claim 3, characterized in that: The rotating handle (1) is sleeved on the rotating structure (3) and fixed to the rotating sleeve (32); the rotating handle (1) is located between the two seat ears (27).

5. The hinge device according to claim 3, characterized in that: The side wall of the seat ear (27) is provided with a second seat hole (23), and a support bolt (42) is provided passing through the second seat hole (23) to abut against the side wall of the load-bearing ring (33).

6. The hinge device according to claim 3, characterized in that: The connecting ring (13) is provided with a first cavity (131) and a second cavity (132); the first cavity (131) is arranged through the middle of the connecting ring (13); and two second cavities (132) are provided, which are respectively located at two ends of the first cavity (131) and coincide with the load-bearing ring (33).

7. The hinge device according to claim 1, characterized in that: A concave ring (311) is provided at the connection between the central axis (31) and the fourth seat hole (28); a third seat hole (26) corresponding to the concave ring (311) is provided on the upper side of the seat ear (27); the third seat hole (26) is communicated with the fourth seat hole (28); and a fixing bolt (41) is provided passing through the third seat hole (26) and contacting the concave ring (311).

8. The hinge device according to claim 1, characterized in that: When the device door (6) is closed, the bottom surface of the base (2) and the connecting surface of the rotating handle (1) are flush with the vertical line X.

9. The hinge device according to claim 1, characterized in that: The bottom of the seat ear (27) is provided with a hole groove (25), and the hole groove (25) is correspondingly communicated with the first seat hole (22).

10. The hinge device according to claim 2, characterized in that: The rotating handle (1) is provided with a handle (14) at the transition between the connecting ring (13) and the handle body (11), the handle (14) is bent outward relative to the vertical line X, the seat ear (27) is provided with a seat groove (24), the seat groove (24) is provided with a recess corresponding to the handle (14), and when the device door (6) is closed, the seat groove (24) and the handle (14) are closest to each other and tend to fit together.

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