Grounding structure of revolving door

Abstract

The utility model belongs to the technical field of revolving doors, and particularly relates to a revolving door grounding structure which comprises a revolving door, an upper hinge arranged at the top of the revolving door and a lower hinge arranged at the bottom of the revolving door, the grounding structure comprises a connecting piece and a supporting assembly, and the supporting assembly is connected with the revolving door. The hinge sleeve I and the hinge sleeve II are made of insulating materials, the lower hinge is in direct contact with the connecting piece, the supporting assembly and the rotating door are connected and conducted through the connecting piece, the supporting assembly is in threaded connection with the rotating door, a thimble is arranged in the connecting piece, the thimble is elastically connected with the connecting piece, and the thimble is in direct contact with the lower hinge. And one end of the connecting piece is of a spring twist structure, and when the revolving door rotates, the connecting piece rotates synchronously, so that the abrasion of the revolving door and the grounding structure is reduced, and the service life of the revolving door is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of revolving doors, in particular to a revolving door grounding structure. Background Art

[0002] The revolving door is a common mechanical device in our daily life. One end of the revolving door can rotate around the connection point, driving the other end to rotate, thereby realizing the opening and closing operation of the space.

[0003] According to the requirements of electrical safety, the exposed metal parts need to be grounded. In the current revolving door structure, the door body is connected to the ground through a grounding structure. Most of the grounding structures are rigid connections. When there is a problem with the connection position, the grounding structure can only be violently dismantled for repair. The installation and disassembly of the grounding structure are relatively complicated and the cost of use is high. The support rotation between the door body and the grounding structure is also connected through a workpiece, and greater wear will occur during the rotation process. Utility Model Content

[0004] In view of the technical problems existing in the background technology, the purpose of the utility model is to provide a revolving door grounding structure, which can reduce the number of grounding structures of the revolving door while satisfying the rotation requirements, making maintenance and disassembly more convenient.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A revolving door grounding structure comprises a revolving door, an upper hinge arranged at the top of the revolving door, and a lower hinge arranged at the bottom of the revolving door, wherein the grounding structure comprises a connecting piece and a supporting assembly, wherein the supporting assembly is connected to the revolving door, wherein the connecting piece and the supporting assembly are connected by threads, wherein an ejector pin is arranged inside the connecting piece, wherein the ejector pin and the connecting piece are elastically connected, and wherein the ejector pin is in direct contact with the lower hinge.

[0007] Preferably, the support assembly comprises a support plate I and a support plate II, and the support plate I, support plate II and the revolving door are fixedly connected.

[0008] Preferably, a through hole I is provided on the support plate I, a through hole II is provided at one end of the support plate II, and a threaded hole I is provided at the other end.

[0009] Preferably, a connecting plate is provided at one end of the support plate I, a through hole III is provided on the connecting plate, a nut I is fixed on the through hole III, and a threaded hole II is provided at one end of the connecting plate.

[0010] Preferably, a threaded section is provided on the surface of the connecting piece, a nut II is threadedly connected to the threaded section, the connecting piece is detachably arranged in the through hole I and the through hole III, and the nut I is threadedly connected to the threaded section.

[0011] Preferably, the threaded hole I and the threaded hole II are aligned, and screws are connected through the internal threads of the threaded hole I and the threaded hole II.

[0012] Preferably, a hinge sleeve I is provided on the support plate II, the hinge sleeve I is arranged at the position of the through hole II, and the lower hinge passes through the through hole II and is connected to the hinge sleeve I.

[0013] Preferably, a hinge sleeve II is provided above the revolving door, and the upper hinge is connected to the hinge sleeve II.

[0014] The utility model has the following advantages and beneficial effects:

[0015] 1. In the utility model, hinge sleeve I and hinge sleeve II are made of insulating material, the lower hinge is in direct contact with the connecting piece, and the connecting piece connects the support assembly and the revolving door to meet the safety requirements. One end of the connecting piece is a spring torsion structure. When the revolving door rotates, the connecting piece rotates synchronously, which reduces the wear of the revolving door and the grounding structure and increases the service life of the revolving door.

[0016] 2. In the present invention, the upper and lower hinges and the grounding structure are connected by plugging, and the connection is protected by hinge sleeve I and hinge sleeve II, which reduces the mutual wear during rotation friction and makes the disassembly and assembly of the revolving door more convenient.

[0017] 3. The utility model has a simple structure and is easy to operate. While meeting normal rotation conditions, it reduces production costs and increases service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the overall connection between the revolving door and the supporting assembly of the revolving door grounding structure provided by the utility model;

[0019] Figure 2 An enlarged view of the connection between the upper hinge and the revolving door of the revolving door grounding structure provided by the utility model;

[0020] Figure 3 A schematic diagram of the connection between the support assembly and the lower hinge of the revolving door grounding structure provided by the utility model;

[0021] Figure 4 A schematic diagram of the structure of the support plate I of the revolving door grounding structure provided by the utility model;

[0022] Figure 5 A schematic diagram of the structure of the support plate II of the revolving door grounding structure provided by the utility model;

[0023] Figure 6 A schematic diagram of the connecting plate structure of the revolving door grounding structure provided by the utility model;

[0024] Figure 7A schematic diagram of the connector structure of the revolving door grounding structure provided by the utility model;

[0025] Icon: 1-revolving door, 2-upper hinge, 21-hinge sleeve II, 3-lower hinge, 31-hinge sleeve I, 4-support plate I, 41-through hole I, 5-support plate II, 51-through hole II, 52-threaded hole I, 6-connecting plate, 61-through hole III, 62-nut I, 63-threaded hole II, 7-connecting piece, 71-threaded section, 72-thimble, 8-nut II. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings 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.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example

[0029] like Figure 1-7 As shown, the revolving door grounding structure includes a revolving door 1 and an upper hinge 2 arranged at the top of the revolving door 1 and a lower hinge 3 arranged at the bottom of the revolving door 1. The grounding structure includes a connecting member 7 and a supporting assembly. The supporting assembly is connected to the revolving door 1. The connecting member 7 is connected inside the supporting assembly and contacts the lower hinge 3. When the revolving door 1 rotates, the connecting member 7 is driven to rotate, and at the same time, the bottom end of the connecting member 7 rotates close to the lower hinge 3.

[0030] like Figure 3 , 4 As shown in Figure 5, the support assembly includes a support plate I4 and a support plate II5. The support plate I4 is L-shaped. A through hole I41 is provided on the support plate I4. A through hole II51 is provided at one end of the support plate II5. The through hole I41 and the through hole II51 are aligned. A threaded hole I52 is provided at the other end of the support plate II5. The support plates I4, II5 and the revolving door 1 are welded. The support plates I4 and II5 are sheet metal parts, and have conductivity after welding and spraying.

[0031] like Figure 3 , 4As shown in Figures 5 and 6, a connecting plate 6 is provided at the lower end of the support plate Ⅰ4, and a through hole Ⅲ61 is provided on the connecting plate 6. The through hole Ⅲ61 is aligned with the through hole Ⅰ41, and a nut Ⅰ62 is fixedly provided below the through hole Ⅲ61. A threaded hole Ⅱ63 is provided at one end of the connecting plate 6. The connecting plate 6 is connected between the support plate Ⅰ4 and the support plate Ⅱ5, and the threaded hole Ⅰ52 is aligned with the threaded hole Ⅱ63. The threaded holes Ⅰ52 and the threaded holes Ⅱ63 are internally threaded with screws for connecting the connecting plate 6 and the support plate Ⅱ5 together, and the support plate Ⅰ4, the connecting plate 6 and the support plate Ⅱ5 are connected so that they are all conductive as a whole.

[0032] like Figure 1-7 As shown, a threaded section 71 is provided on the surface of the connecting member 7, and a nut II8 is threadedly connected to the threaded section 71. The connecting member 7 is detachably arranged in the through hole I41 and the through hole III61, and the nut I62 is threadedly connected to the threaded section 71. The nut II8 is screwed into the threaded section 71 and is tightly attached to the support plate I4. The support plate I4 and the connecting plate 6 are connected by the nut I62 and the nut II8, which increases the stability of their connection and facilitates adjustment. A thimble 72 is slidably provided inside the connecting member 7, and the thimble 72 extends from the lower end of the connecting member 7. The thimble 72 and the connecting member 7 are connected by a spring, and the thimble 72 and the spring can rotate inside the connecting member 7. When the connecting member 7 is rotated to make it close to the support plate II5, the spring is compressed, and the contact between the thimble 72 and the lower hinge 3 is tighter.

[0033] like Figure 1-7 As shown, a hinge sleeve I31 is provided on the support plate II5, and the hinge sleeve I31 is provided between the support plate I4 and the connecting plate 6, at the position of the through hole II51, and the lower hinge 3 passes through the through hole II51 and is connected to the hinge sleeve I31, and the ejector pin 72 is in contact with the surface of the lower hinge 3, which ensures the reliability of the contact without affecting the normal rotation of the door, and also connects the revolving door 1 and the lower hinge 3 to the ground. The revolving door 1 can be directly plugged into the lower hinge 3, and a hinge sleeve II21 is provided above the revolving door 1, and the hinge sleeve II21 is directly connected to the revolving door 1, and the upper hinge 2 is connected to the hinge sleeve II21. The hinge sleeve I31 and the hinge sleeve II21 are made of nylon, which has self-lubricating properties, ensuring that the hinge is tightly connected to the revolving door 1 while the switch is smooth and wear-resistant.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A revolving door grounding structure, comprising a revolving door and an upper hinge arranged at the top of the revolving door and a lower hinge arranged at the bottom of the revolving door, characterized in that: The grounding structure includes a connector and a support assembly, the support assembly is connected to the revolving door, the connector and the support assembly are connected by threads, a thimble is arranged inside the connector, the thimble is elastically connected to the connector, and the thimble is in direct contact with the lower hinge.

2. The revolving door grounding structure according to claim 1, characterized in that: The support assembly comprises a support plate I and a support plate II, and the support plate I, the support plate II and the revolving door are fixedly connected.

3. The revolving door grounding structure according to claim 2, characterized in that: The support plate I is provided with a through hole I, one end of the support plate II is provided with a through hole II, and the other end is provided with a threaded hole I.

4. The revolving door grounding structure according to claim 3, characterized in that: A connecting plate is provided at one end of the support plate I, a through hole III is provided on the connecting plate, a nut I is fixedly provided on the through hole III, and a threaded hole II is provided at one end of the connecting plate.

5. The revolving door grounding structure according to claim 4, characterized in that: The surface of the connecting piece is provided with a threaded section, and a nut II is threadedly connected to the threaded section. The connecting piece is detachably arranged in through hole I and through hole III, and the nut I is threadedly connected to the threaded section.

6. The revolving door grounding structure according to claim 5, characterized in that: The threaded hole I and the threaded hole II are aligned, and screws are connected to the threaded holes I and II internally.

7. The revolving door grounding structure according to claim 6, characterized in that: The support plate II is provided with a hinge sleeve I, the hinge sleeve I is arranged at the position of the through hole II, and the lower hinge passes through the through hole II and is connected with the hinge sleeve I.

8. The revolving door grounding structure according to claim 7, characterized in that: A hinge sleeve II is arranged above the revolving door, and the upper hinge is connected to the hinge sleeve II.

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