Hinge with access control function and special gas holder

Abstract

The utility model relates to the technical field of connecting pieces, in particular to a hinge with an access control function and a special gas holder. The hinge comprises an electric brush, a first connecting piece and a second connecting piece; a connecting inserting rod is arranged at the end of the first connecting piece, a connecting inserting groove is formed in the end of the second connecting piece, and the connecting inserting rod can rotate around the connecting inserting rod after being inserted into the connecting inserting groove. A control hole is formed in the side wall of the second connecting piece, and the electric brush penetrates through the control hole and then abuts against the side wall of the connecting inserting rod. A conducting strip is arranged on the side wall of the connecting insertion rod, and the connecting state of the conducting strip and the electric brush can be changed by rotating the connecting insertion rod. The whole device is small in size, the size of the door and the size of the cabinet body are not limited, the width size of the special gas cabinet (a process machine table) can be minimized in design, and the occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pieces, and in particular to a hinge with access control functions and a special gas cabinet. Background Art

[0002] The special gas cabinet requires negative pressure inside the cabinet. In order to ensure negative pressure and safe operation, an access control device is required. A conventional access control switch is installed on the cabinet body, and a latch-type device is installed on the door. The alarm or power-off is achieved by embedding and disconnecting the latch and the body.

[0003] In the prior art, the door is opened and closed with the hinge as the central axis. Because the conventional access control has a long bolt, there is a minimum radius requirement for the installation position of the body and the bolt from the hinge, which limits the size of the special gas cabinet when considering the installation of the access control switch. Utility Model Content

[0004] The purpose of the utility model is to provide a hinge with a door control function, which can solve the above technical problems.

[0005] The embodiment of the utility model is achieved as follows:

[0006] In a first aspect, the utility model provides a hinge with a door access control function, comprising a brush, a first connecting member and a second connecting member;

[0007] The end of the first connecting member is provided with a connecting rod, and the end of the second connecting member is provided with a connecting slot, and the connecting rod can rotate around the connecting rod after being inserted into the connecting slot;

[0008] A control hole is provided on the side wall of the second connecting member, and the brush abuts against the side wall of the connecting rod after passing through the control hole;

[0009] A conductive sheet is provided on the side wall of the connecting rod, and the connection state between the conductive sheet and the brush can be changed by rotating the connecting rod.

[0010] In an optional embodiment, a first mounting hole is provided on a side wall of the first connecting member for mounting the first connecting member on a door.

[0011] In an optional embodiment, the first mounting hole is a threaded hole.

[0012] In an optional embodiment, a second mounting hole is provided on the second connecting member for mounting the second connecting member on the door frame.

[0013] In an optional embodiment, a third mounting hole is provided on the brush, and the third mounting hole is provided corresponding to the second mounting hole.

[0014] In an optional embodiment, the third mounting hole is a through hole.

[0015] In an optional embodiment, a controller is also included;

[0016] The controller is connected to the brush by signals, and is used to control the working state of corresponding components according to the state signal of the brush.

[0017] In an optional embodiment, an alarm device is further included, and a signal connection is formed between the alarm device and the brush, so as to generate an alarm when the conductive sheet is not connected to the brush.

[0018] In an optional embodiment, the alarm device is an audible and visual alarm.

[0019] In a second aspect, the utility model provides a special gas cabinet, comprising the hinge described in any one of the aforementioned embodiments.

[0020] The beneficial effects of the embodiments of the utility model are:

[0021] By rotating the first connecting member that rotates along with the door body, the conductive sheet is driven to rotate, thereby changing the on / off state of the brush, thereby realizing the access control function.

[0022] The overall device is small in size, and there is no restriction on the size of doors and cabinets. The width of the special gas cabinet (process machine) can be minimized in design to reduce the occupied space. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of the structure of a hinge with a door access control function provided by an embodiment of the utility model;

[0025] Figure 2 for Figure 1 Side view of

[0026] Figure 3 for Figure 2 AA section view;

[0027] Figure 4 A schematic diagram of the three-dimensional structure of a hinge with a door access control function provided by an embodiment of the utility model;

[0028] Figure 5A reference diagram of the usage status of a hinge with a door access control function provided in an embodiment of the utility model.

[0029] Icon: 1-first connecting piece; 2-second connecting piece; 3-brush; 4-connecting rod; 5-connecting slot; 6-first mounting hole; 7-second mounting hole; 8-third mounting hole; 9-cabinet door; 10-cabinet body. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme 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 part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] 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.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Combine the following Figures 1 to 5 , some embodiments of the present utility model are described in detail. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0037] In the first aspect, the utility model provides a hinge with a door control function, such as Figure 1-Figure 4 As shown, it includes a brush 3, a first connecting member 1 and a second connecting member 2; a connecting rod 4 is provided at the end of the first connecting member 1, and a connecting slot 5 is provided at the end of the second connecting member 2, and the connecting rod 4 can rotate around the connecting rod 4 after being inserted into the connecting slot 5; a control hole is provided on the side wall of the second connecting member 2, and the brush 3 abuts against the side wall of the connecting rod 4 after passing through the control hole; a conductive sheet is provided on the side wall of the connecting rod 4, and the connection state of the conductive sheet and the brush 3 can be changed by rotating the connecting rod 4.

[0038] Specifically, in this embodiment, the first connecting member 1 and the second connecting member 2 are connected as a whole through the cooperation of the connecting rod 4 and the connecting slot 5 .

[0039] When in use, the first connecting member 1 is connected to the cabinet door 9 of the special gas cabinet, and the second connecting member 2 is arranged on the cabinet body 10 of the special gas cabinet to realize the function of a hinge.

[0040] When the cabinet door 9 is closed, the conductive sheet contacts the brush 3, the positive and negative poles of the brush 3 are energized due to the connection of the conductive sheet, and the access control function is turned on; when the cabinet door 9 is opened, the conductive sheet rotates with the connecting rod 4 and separates from the brush 3, causing the positive and negative poles of the brush 3 to be disconnected and lose power, and the access control function is turned off.

[0041] In this embodiment, during the energization and de-energization process of the brush 3 , the function of the brush 3 can be utilized in different ways.

[0042] For example, when the brush 3 is energized, the internal function is turned on, and when the brush 3 is de-energized, the internal components with higher risks are shut down; if the brush 3 is energized, it is normal, and an alarm is sounded when the brush 3 is de-energized.

[0043] Different functions can be obtained by using the brush 3 in different ways. At the same time, some functions can be used at the same time to improve the utilization rate of the hinge.

[0044] In an optional embodiment, a first mounting hole 6 is provided on a side wall of the first connecting member 1 for mounting the first connecting member 1 on a cabinet door 9 .

[0045] In this embodiment, after the first mounting hole 6 is provided on the side wall of the first connecting member 1 , the first connecting member 1 is fixedly arranged on the cabinet door 9 by bolts or screws.

[0046] In an optional embodiment, the first mounting hole 6 is a threaded hole.

[0047] In this embodiment, the first mounting hole 6 is arranged in a threaded hole manner, so that a bolt is inserted into the through hole on the cabinet door 9 from the other side of the cabinet door 9 and then threadedly connected to the first mounting hole 6, thereby realizing the connection between the door and the cabinet body 10.

[0048] Such a configuration can reduce the occupied space between the cabinet door 9 and the cabinet body 10 , and also facilitates the installation of the first connecting member 1 on the cabinet door 9 .

[0049] It should be pointed out that in this embodiment, the first mounting hole 6 can be a threaded hole, but it is not limited to a threaded hole. It can also be set as a straight hole, or a straight hole combined with a blind hole, as long as it can facilitate the installation between the first connecting member 1 and the cabinet door 9.

[0050] It should also be pointed out that, in the present embodiment, the first connecting member 1 is installed on the cabinet door 9 by means of bolts cooperating with the first mounting hole 6, but it is not limited to this method, and other mounting structures may also be adopted, such as snap-on, etc., that is, as long as the first connecting member 1 can be fixedly installed on the cabinet door 9, it will be sufficient.

[0051] In an optional embodiment, a second mounting hole 7 is provided on the second connecting member 2 for mounting the second connecting member 2 on a door frame of a cabinet door 9 .

[0052] Similarly, through the provision of the second mounting hole 7, the second connecting member 2 can be mounted on the cabinet body 10 of the special gas cabinet by means of standard parts such as bolts or screws.

[0053] In this embodiment, the second mounting hole 7 can be set as a threaded hole or a through hole, which can be set according to the specific use environment and requirements.

[0054] In this embodiment, the second connecting member 2 can be installed on the cabinet body 10 by means of the second mounting hole 7 in cooperation with bolts or screws, but it is not limited to this method. It can also be other installation methods, such as snap-on, etc., as long as the second connecting member 2 can be installed on the cabinet body 10 of the special gas cabinet.

[0055] In an optional embodiment, a third mounting hole 8 is provided on the brush 3 , and the third mounting hole 8 is provided corresponding to the second mounting hole 7 .

[0056] In this embodiment, the third mounting hole 8 is a through hole.

[0057] The bolt passes through the installation position on the cabinet 10 and then passes through the third installation hole 8 and the second installation hole 7 in sequence, thereby achieving the purpose of fixing the second connecting member 2 and the brush 3 on the cabinet 10 .

[0058] Alternatively, the bolt passes through the third mounting hole 8 and then through the through hole on the cabinet 10 and is inserted into the second mounting hole 7 , thereby fixing the second connecting member 2 and the brush 3 on the cabinet 10 .

[0059] In an optional embodiment, a controller is further included; the controller is signal-connected to the brush 3 and is used to control the working state of corresponding components according to the state signal of the brush 3.

[0060] In this embodiment, through the setting of the controller, the corresponding components in the special gas cabinet can be controlled in time according to the power gain and loss state of the brush 3, such as shutting down equipment with higher risks, thereby ensuring safety during use.

[0061] In an optional embodiment, an alarm device is further included, and a signal connection is formed between the alarm device and the brush 3 , so as to generate an alarm when the conductive sheet is not connected to the brush 3 .

[0062] In this embodiment, by setting the alarm device, an alarm can be sounded when the cabinet door 9 is accidentally opened to prompt the staff to handle it in time.

[0063] Specifically, the alarm device may be directly connected to the brush 3 for signaling, or may be connected to the controller for signaling, and the controller may detect whether the cabinet door 9 is normally opened or closed, thereby determining whether to perform an alarm process.

[0064] In an optional embodiment, the alarm device is an audible and visual alarm.

[0065] In this embodiment, the alarm device is configured as an audible and visual alarm, which can emit sound and corresponding light simultaneously when giving an alarm, thereby prompting the staff in multiple aspects.

[0066] In this embodiment, the sound of the sound and light alarm can be a system-set sound or a freely recorded alarm voice.

[0067] In this embodiment, the alarm light can be set to be a single color light, or multiple colors of light can be alternately changed, the alarm can be given by continuous light emission, or the alarm can be given by high-frequency flashing of light, etc.

[0068] It should be pointed out that in this embodiment, the alarm device is an audible and visual alarm, but it is not limited to this alarm method. It can also adopt other alarm methods, such as setting a SIM card in the alarm to perform telephone alarm, information alarm, etc., that is, as long as the alarm function can be realized.

[0069] In a second aspect, the utility model provides a special gas cabinet, comprising the hinge described in any one of the aforementioned embodiments.

[0070] When in use, the first connecting member 1 is set on the cabinet door 9, the second connecting member 2 is set on the cabinet body 10, the brush 3 is connected to the controller on the special gas cabinet or a signal generator is set on the brush 3, and then a wireless signal connection is made with the controller.

[0071] The beneficial effects of the embodiments of the utility model are:

[0072] By rotating the first connecting member 1 that rotates along with the door body, the conductive sheet is driven to rotate, thereby changing the on / off state of the brush 3, thereby realizing the access control function.

[0073] The overall device is small in size, and there is no restriction on the size of the door and the cabinet 10, so the width of the special gas cabinet (process machine) can be minimized in design to reduce the occupied space.

[0074] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hinge with access control function, characterized in that: It includes a brush, a first connecting member and a second connecting member; The end of the first connecting member is provided with a connecting rod, and the end of the second connecting member is provided with a connecting slot, and the connecting rod can rotate around the connecting rod after being inserted into the connecting slot; A control hole is provided on the side wall of the second connecting member, and the brush abuts against the side wall of the connecting rod after passing through the control hole; A conductive sheet is provided on the side wall of the connecting rod, and the connection state between the conductive sheet and the brush can be changed by rotating the connecting rod.

2. The hinge according to claim 1, characterized in that: A first mounting hole is provided on the side wall of the first connecting member, which is used to mount the first connecting member on the door.

3. The hinge according to claim 2, characterized in that: The first mounting hole is a threaded hole.

4. The hinge according to claim 1, characterized in that: The second connecting member is provided with a second mounting hole for mounting the second connecting member on the door frame.

5. The hinge according to claim 4, characterized in that: The brush is provided with a third mounting hole, and the third mounting hole is arranged corresponding to the second mounting hole.

6. The hinge according to claim 5, characterized in that: The third mounting hole is a through hole.

7. The hinge according to claim 1, characterized in that: Also includes a controller; The controller is connected to the brush by signals, and is used to control the working state of corresponding components according to the state signal of the brush.

8. The hinge according to claim 1, characterized in that: It also includes an alarm device, and a signal connection is formed between the alarm device and the brush, so as to give an alarm when the conductive sheet is not connected to the brush.

9. The hinge according to claim 8, characterized in that: The alarm device is an audible and visual alarm.

10. A special gas cabinet, characterized in that: The invention comprises the hinge described in any one of claims 1 to 9.

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