Limitable rotating mechanism and control box

Abstract

Hinge shafts are arranged on the two sides of the lower cover, corresponding hinge holes are formed in the two sides of the upper cover, and the hinge shafts penetrate into the hinge holes to form the rotating mechanism. The hinge hole comprises an inner hole and an outer hole which are communicated with each other, and the hinge shaft can move and switch between the inner hole and the outer hole; a limiting plate is arranged at the upper end of the lower cover; initially, the upper cover is closed, and the hinge shaft is located in the outer hole; when the upper cover is overturned to a preset angle, the upper cover is driven to move in the outer hole-inner hole direction, so that the hinge shaft is switched into the inner hole; at the moment, the limiting plate abuts against the inner end face of the upper cover so that angle limiting can be conducted on the upper cover. A rotation-limiting mechanism is formed by the hinge hole with the inner hole and the outer hole and the hinge shaft, the upper cover can be kept in a static state when opened upwards to a preset angle, and the requirements of single-person operation and maintenance are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial door field, concretely is a kind of rotatable mechanism and control box that can limit. BACKGROUND

[0002] In the field of industrial door, electrical control box is the core component to realize the automatic opening and closing of door body. The conventional industrial door control box is usually designed as a regular rectangle or square, and the hinge is usually designed on the side, with left and right opening mode. In the case of limited width distance, the upper cover cannot be completely opened by 180 °, which affects the convenience of maintenance and operation. Some manufacturers in the industry use top hinge design, which can only meet the automatic stop operation when opening 180 °, and cannot be limited when opening 90 ° in limited space, resulting in the need for two people to operate for maintenance. Of course, in some cases, a hinge with damping can be used, but the cost is high and the structure is complex. The sealing performance of such control box often cannot meet the sealing requirements of cold storage.

[0003] In addition, the display interface of the electrical control box is the main interface for human-computer interaction, which usually has different needs: 1) simple fault information display using nixie tube display; 2) LED Chinese display with more complex content; 3) high-end touch interface display function, such as 7-inch touch screen. Usually, multiple parts need to be separately molded to meet each requirement, but in the case of small demand, it will increase the cost of mold opening and management cost caused by multiple materials. SUMMARY

[0004] The utility model discloses a rotatable mechanism and control box that can limit to solve the existing problems. In order to achieve the above purpose, the utility model adopts the technical scheme including the fixed lower cover, the two sides of the lower cover are provided with hinge shafts, the two sides of the upper cover are provided with corresponding hinge holes, the hinge shafts pass through the hinge holes to form a rotating mechanism, and the upper cover can be flipped up and down relative to the lower cover. The hinge hole includes an inner hole and an outer hole that are in communication with each other, the inner hole and the outer hole are arranged along the height direction of the upper cover, and the outer hole is above the inner hole. The hinge shaft can move and switch between the inner hole and the outer hole. The upper end of the lower cover is also provided with a limiting plate.

[0005] When the upper cover is closed initially, the hinge shaft is located in the outer hole. When the upper cover is flipped to a preset angle, the upper cover is driven to move along the direction of the outer hole-inner hole, so that the hinge shaft is switched to the inner hole. At this time, the limiting plate abuts against the inner end surface of the upper cover to limit the angle of the upper cover.

[0006] Preferably, the two sides of the upper cover are respectively provided with connecting plates, and the hinge hole is arranged on the connecting plate. The lower end of the connecting plate is provided with an opening, and the hinge shaft is inserted into the hinge hole from the opening.

[0007] Preferably, the hinge shaft is provided with a flat position, and the diameter of the flat position is smaller than the diameter of the circular position, so that the upper cover is inserted in the position with a predetermined angle to avoid the separation of the upper cover and the lower cover.

[0008] Preferably, the size of the communication between the opening, the inner hole and the outer hole of the connecting plate is slightly smaller than the size of the flat position of the hinge shaft.

[0009] Preferably, the upper end of the upper cover is provided with a notch space for the limiting plate to pass through.

[0010] Preferably, the inner end surface of the upper cover and the outer end surface of the lower cover are respectively provided with a sealing strip which can be correspondingly attached and form a seal.

[0011] Preferably, the predetermined angle is 90 degrees.

[0012] The utility model also provides a control box, including fixedly arranged box, openable upper cover, be equipped with the rotatable mechanism of being able to limit between upper cover and box to form the rotary connection by this.

[0013] Preferably, the outer end surface of the upper cover is provided with a plurality of hollow display areas, including a digital display area, and / or an LED display area, and / or a touch screen display area, and / or a key arrangement area.

[0014] Preferably, the surface of the display area is made of PVC.

[0015] Preferably, the lower end of the box is provided with a waterproof joint for wire access and output.

[0016] Preferably, the upper cover and the box of the control box are made of plastic parts by injection molding.

[0017] Compared with the prior art, the utility model forms a rotating-limiting mechanism through the hinge hole with the inner hole and the outer hole and the hinge shaft, and the upper cover can remain stationary when being opened upward to a predetermined angle (such as 90°), which meets the needs of single-person operation and maintenance; the hinge shaft of the lower cover is a flat circular shaft, and can be installed only when the opening is parallel to the flat position, realizing free rotation and effectively avoiding separation; the utility model has the characteristics of simple structure, overall aesthetics, low cost, easy maintenance, good sealing performance, etc.

[0018] The display area of the upper cover also adopts a variety of opening designs, and the connection part of the opening position adopts a hollow design, so that one upper cover can meet the needs of a variety of different display boards, and the function of compatible display is met. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a sectional view of the utility model;

[0020] Figure 2 It is Figure 1Enlarged schematic view of the middle A area (when the upper cover is located at 90° of the rotation center of the outer hole);

[0021] Figure 3 For Figure 1 Enlarged schematic view of the middle A area (when the upper cover is located at 90° of the rotation center of the inner hole);

[0022] Figure 4 For Figure 1 Enlarged schematic view of the middle A area (when the upper cover is located at 90° of the rotation center of the inner hole);

[0023] Figure 5 Rear view of the upper cover of the control box;

[0024] Figure 6 For Figure 5 Enlarged schematic view of the middle B area;

[0025] Figure 7a Schematic view of the three different display areas of the control box;

[0026] Figure 8 Perspective view of the control box;

[0027] The reference signs are as follows:

[0028] 100 upper cover, 100(a) upper cover - rotation center in inner hole, 100(b) upper cover - rotation center in outer hole, 100.1 sealing plate, 100.2 inner hole, 100.3 outer hole;

[0029] 100.4 digital display area, 100.5 LED display area, 100.6 touch screen display area, 100.7 key arrangement area, 110 key, 120 display area, 121 digital display screen, 122 LED display screen, 123 touch screen, 124 digital display film, 125 LED display film, 126 touch screen display film;

[0030] 200 lower cover, 200.1 limiting plate, 200.2 hinge shaft, 210 waterproof joint, 220 lower cover sealing strip. DETAILED DESCRIPTION

[0031] In order to further illustrate the novel control box structure provided by the utility model, the following further detailed description is made in combination with the drawings of the preferred embodiments of the utility model. For the convenience of description, the direction towards the operator is "front", and the reverse direction is "rear".

[0032] Referring to Figure 1 and Figure 8 , Figure 1 and Figure 8 The embodiment of the utility model shows a control box, Figure 1The upper cover 100(a), 100(b) and the lower cover 200 (control box body) are shown in two states; wherein 100(a) is the state of the upper cover in the normal opening and closing position, and normal opening and closing can be performed; wherein 100(b) is the state of the upper cover 100 in the position of stopping after being opened by 90°, at this time the upper cover 100 cannot be closed downward. The embodiment includes a vertically arranged lower cover 200 (i.e. the body of the control box, which is fixed), both sides of the lower cover 200 are respectively provided with a hinge shaft 200.2, both sides of the upper cover 100 are provided with corresponding hinge holes, and the hinge shaft 200.2 penetrates into the hinge holes to form a limited rotation mechanism. The upper cover 100 as a rotating part can be flipped up and down relative to the lower cover 200 to open and close the control box.

[0033] Referring to Figure 2 , the hinge hole includes an inner hole 100.2 and an outer hole 100.3 which are in communication with each other, the inner hole 100.2 and the outer hole 100.3 are arranged along the height direction of the upper cover 100, and the outer hole 100.3 is above the inner hole 100.2; the hinge shaft 200.2 can move and switch between the inner hole 100.2 and the outer hole 100.3 to change the position of the upper cover 100.

[0034] As a preferred, both sides of the upper cover 100 are respectively provided with a connecting plate, and the hinge hole is arranged on the connecting plate; the lower end of the connecting plate is provided with an opening, and the hinge shaft 200.2 is inserted into the hinge hole from the opening.

[0035] As a preferred, the cross section of the hinge shaft 200.2 is provided with two flat positions, and the diameter of the flat positions is smaller than the diameter of the right circle of other parts of the hinge shaft 200.2. And the size of the opening of the connecting plate and the communication between the inner hole 100.2 and the outer hole 100.3 is slightly smaller than the size of the flat position of the hinge shaft 200.2, so that the upper cover 100 only completes the interference insertion and switching of the hinge shaft 200.2 at the preset angle position, so that it is not easy to fall out during use after being inserted, and the disconnection problem of the upper cover 100 and the lower cover 200 during rotation is avoided.

[0036] Referring to Figures 2-4 , the upper end of the lower cover 200 is further provided with a limiting plate 200.1, and the limiting plate 200.1 is a raised rib and extends forward; the upper end of the upper cover 100 is provided with a gap space for the limiting plate 200.1 to pass through; the limiting plate 200.1 also plays a role of a rain baffle.

[0037] Initially, the upper cover 100 is closed and vertically adheres to the front end surface of the lower cover 200. At this time, the hinge shaft 200.2 is located in the outer hole 100.3; when the upper cover 100 is flipped to a preset angle (90° is selected in this embodiment, and other suitable angles can also be selected according to requirements), the upper cover 100 is manually driven to move rearward along the direction of the outer hole-inner hole, so that the hinge shaft 200.2 switches to the inner hole 100.2 through the communication part of the two holes; at this time, the limiting plate 200.1 passes through the gap space at the upper end of the upper cover 100 and abuts against the inner end surface of the upper cover 100 with the front end, thereby limiting the upper cover 100 at the preset angle position and stopping at the position, which is convenient for use during single-person maintenance. See Figure 3 When it is necessary to close the upper cover 100 of the control box, the upper cover 100 needs to be pulled, so that the hinge shaft 200.2 of the lower cover 200 of the control box passes through the communication part from the inner hole 100.2 of the upper cover 100 and then moves to the outer hole 100.3. At this time, the sealing rib 100.1 located at the inner end surface of the upper cover 100 will be out of contact with the sealing plate 200.1 at the upper end of the lower cover of the control box, so that the upper cover 100 can rotate around the outer hole and be closed.

[0038] See Figure 4 As preferred, the inner end surface of the upper cover 100 and the outer end surface of the lower cover 200 are respectively provided with sealing ribs 100.1 and lower cover sealing strips 220 that can correspondingly adhere and form a seal. Initially, the hinge shaft 200.2 of the upper cover 100 of the control box is located in the inner hole 100.2, and in the completely closed state, the upper cover sealing rib 100.1 of the control box completely adheres and presses on the lower cover sealing strip 220 to compress and seal the sealing strip.

[0039] As preferred, the upper cover 100 and the lower cover 200 of the control box are plastic parts formed by injection molding, which has the characteristics of low cost, light weight, simple installation, and high production efficiency.

[0040] Further, the display area of the upper cover 100 of the control box adopts a multi-group display area design, the smallest display area can be directly cut off, and the medium or large display area is preferably designed with a hollow reinforcing rib, which can be quickly removed when needed. As preferred, the display area and the key area of the upper cover of the control box are easily designed to be partitioned, so that when the keys in the key area are pressed, the display area will not be affected by the hollow structure design, resulting in deformation or damage of the display area. That is, the key area has high structural strength, and the display area has low structural strength and is easy to disassemble and remove.

[0041] The surface of the display area is easily designed with a whole PVC film, which can cover the hollow design of the display area in a large area and also meet the sealing requirements of the area of the upper cover. After the whole PVC film is adopted, various key icons and customer customized contents can be printed on the film.

[0042] See Figure 5The control box's top cover 100 is mainly divided into an upper display area and a lower button area. The upper display area can accommodate various display panels: a digital display area 100.4, an LED display area 100.5, and a touch screen display area 100.6. The lower part is the button layout area 100.7.

[0043] Figure 6 for Figure 5 The enlarged diagram of area C shows that the smallest display area, the digital display area 100.4, is a cut-out area. The central LED display area 100.5 and the touchscreen display area 100.5 are connected by perforated ribs. When using the LED display screen 122, simply remove the inner ribs for installation. Similarly, to install the touchscreen 123, the ribs connecting the touchscreen display area 100.6 and the top cover must be removed.

[0044] See Figure 8 The control box has four fixed corners on the rear end face of the lower cover 200, which can be directly installed on the wall. The lower part of the control box is equipped with a waterproof connector 210, which can be used for wire connection and output.

[0045] Figure 7a This is a schematic diagram of the LED display area 100.5, in which the digital display screen 121 is located in the middle display area, the buttons 110 are located in the lower area, and the digital display film 124 is located at the front of the top cover 100 of the control box, which can cover the entire button and display area. Figure 7b This is a schematic diagram of an LED display. Similarly, the LED display screen 122 is located in the middle of the display area, the button 110 is located in the lower area, and the surface is covered with an LED display film 125. Figure 7c This is a schematic diagram of a touch screen display film 126. The touch screen 123 is located in the display area, and the touch screen display film 126 is mounted on its surface.

[0046] This embodiment employs a flat, arc-shaped hinge shaft design. The hinge hole position of the upper cover 100 has two circular holes: the inner hole 100.2 limits the opening of the lower cover 200 and stops it, while the outer hole 100.3 is used for upward and downward rotation, satisfying the requirements for opening and sealing of the upper cover 100. The upper cover 100 also has a function to remain stationary at a preset angle during opening, facilitating single-person maintenance.

[0047] The lower cover 200 uses a hinge shaft 200.2 with a flat part, which can only be installed when the opening of the upper cover 100 is parallel to the flat part, thus improving safety.

[0048] The display part of the upper cover 100 adopts an open hole design of various display panels, and different kinds of panels can be satisfied by cutting the reserved reinforcing ribs, and the key 110 and the display area are designed in a partitioned manner, so that the reliability of the key is satisfied.

[0049] The control box is especially used for the control box of an electrical control system, the box body can be horizontally or vertically installed on a wall body, has high sealing performance (up to IPx6 level), strong display panel compatibility, an overall curved modeling appearance is beautiful, has the characteristics of simple structure, good maintainability, low cost and the like.

[0050] The embodiments of the utility model are described above in combination with the drawings and examples, the structure given by the examples does not constitute a limitation on the utility model, skilled technicians in the art can make adjustments according to needs, and various deformations or modifications within the scope of the appended claims are within the protection scope.

Claims

1. A positionable rotary mechanism, characterized by: The lower cover is fixed, and both sides of the lower cover are provided with hinge shafts, and both sides of the upper cover are provided with corresponding hinge holes, and the hinge shafts pass through the hinge holes to form a rotating mechanism; wherein the hinge hole comprises an inner hole and an outer hole which are in communication, the inner hole and the outer hole are arranged along the height direction of the upper cover, and the outer hole is above the inner hole; the hinge shaft can move and switch between the inner hole and the outer hole; The upper end of the lower cover is further provided with a limiting plate; Initially, the upper cover is closed, and the hinge shaft is located in the outer hole; when the upper cover is turned to a preset angle, the upper cover is driven to move along the direction of the outer hole-inner hole, so that the hinge shaft is switched to the inner hole; at this time, the limiting plate abuts against the inner end surface of the upper cover to limit the angle of the upper cover.

2. The positionable rotation mechanism of claim 1, wherein: Both sides of the upper cover are respectively provided with connecting plates, and the hinge hole is arranged on the connecting plate; the lower end of the connecting plate is provided with an opening, and the hinge shaft is inserted into the hinge hole from the opening.

3. The positionable rotation mechanism of claim 2, wherein: The cross section of the hinge shaft is provided with a flat position, and the diameter of the flat position is smaller than the diameter of the normal circle, so that the upper cover is inserted at the position of the preset angle.

4. The positionable rotation mechanism of claim 3, wherein: The size of the opening of the connecting plate, the communication between the inner hole and the outer hole is slightly smaller than the size of the flat position of the hinge shaft.

5. The positionable rotation mechanism of claim 1, wherein: The upper end of the upper cover is provided with a gap space for the limiting plate to pass through.

6. The positionable rotation mechanism of claim 1, wherein: The inner end surface of the upper cover and the outer end surface of the lower cover are respectively provided with sealing strips which can be correspondingly attached and form airtightness.

7. The positionable rotation mechanism of any of claims 1-6, wherein: The preset angle is 90 degrees.

8. A control box characterized by: The box body is fixedly arranged, and the upper cover can be opened, and a limiting rotating mechanism as claimed in any one of claims 1-7 is arranged between the upper cover and the box body to form a rotating connection.

9. The control box of claim 8, wherein: The outer end surface of the upper cover is provided with a plurality of hollow display areas, including a digital display area, and / or an LED display area, and / or a touch screen display area, and / or a key arrangement area; the display area is provided with a PVC film.

10. The control box of claim 8 or 9, characterized in that: The lower end of the box body is provided with a waterproof joint for wire access and output.

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