Improved structure of airborne junction box

Abstract

An airborne junction box improved structure disclosed by the present invention comprises a mounting assembly, the mounting assembly comprises a junction box main body and a box cover, and the top of the junction box main body is movably connected with the box cover; the adaptability enhancing assembly comprises a positive terminal, a negative terminal, hexagonal nuts, a bus bar and a lug plate, the positive terminal and the negative terminal are vertically installed in the junction box main body, the hexagonal nuts are connected to the positive terminal and the negative terminal, and the bus bar is connected to the junction box main body. A bus bar is installed on one side of the junction box body, a lug plate is installed on the other side of the junction box body, and the connecting end of the lug plate is located at the bottom of the hexagon nut. According to the invention, the lug plate and the bus bar can be horizontally installed, the operation direction is from top to bottom, enough operation space is provided, and subsequent maintenance is facilitated; and the installed anti-falling screw can prevent foreign matters from falling to the positive terminal and the negative terminal to form a short circuit, so that the safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of wiring equipment, and in particular to an improved structure of an airborne wiring box. Background Art

[0002] As airborne equipment has increasingly higher requirements for power, current, safety, reliability and maintainability, higher requirements are placed on the electrical interconnection interfaces of secondary power supplies and distribution equipment.

[0003] Most of the existing traditional junction boxes are horizontal structures, with limited space left, which is not convenient for subsequent maintenance. Therefore, a new junction box structure is needed to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide an improved structure of an onboard junction box to solve the problem raised in the above background technology that the existing traditional junction boxes are mostly horizontal structures with limited space left, which is inconvenient for subsequent maintenance.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: The present invention is an improved structure of an onboard junction box, comprising: An installation component, the installation component comprises a junction box body and a box cover, and the top of the junction box body is movably connected to the box cover; An adaptability enhancement component, the adaptability enhancement component includes a positive terminal, a negative terminal, a hexagonal nut, a bus bar and a terminal piece, the positive terminal and the negative terminal are vertically installed inside the junction box body, the hexagonal nuts are connected to the positive terminal and the negative terminal, the bus bar is installed on one side of the junction box body, and the terminal piece is installed on the other side of the junction box body, and the terminal piece connection end is located at the bottom of the hexagonal nut.

[0006] Furthermore, the adaptability enhancement component also includes a first spring washer and a first flat washer, the bottom of the hexagonal nut is connected to the first spring washer, and the bottom of the first spring washer is connected to the first flat washer.

[0007] Furthermore, the installation assembly also includes an anti-falling screw, a first knurled nut insert and a second knurled nut insert. The first knurled nut insert is opened on the box cover, and the second knurled nut insert is opened on the junction box body. The anti-falling screw is connected to the middle part of the first knurled nut insert and the second knurled nut insert.

[0008] Furthermore, the mounting assembly also includes a second spring washer and a second flat washer, the bottom of the anti-falling screw is connected to the second spring washer, and the bottom of the second spring washer is connected to the second flat washer.

[0009] Furthermore, it also includes a fastening assembly, which includes a spring, and the spring is movably connected between the first spring washer and the first flat washer.

[0010] Furthermore, the fastening assembly also includes a first slot and a second slot, the first spring washer has a first slot at the bottom, and the first flat washer has a second slot at the top.

[0011] Compared with the prior art, the advantages of the present invention are: The present invention is provided with a positive electrode terminal and a negative electrode terminal, the input end of which is connected to an internal bus bar, and the output end is connected to a terminal piece, and a 90° structure is adopted, which can meet the requirements of horizontal installation of the terminal piece and the bus bar, and the operation direction is from top to bottom, with sufficient operation space and convenience for subsequent maintenance; and the installed anti-falling screws can prevent foreign objects from falling onto the positive electrode terminal and the negative electrode terminal to form a short circuit, thereby improving safety.

[0012] Based on the above beneficial effects, the spring movably connected between the first spring washer and the first flat washer can provide additional axial force, which works together with the elastic force of the spring washer to increase the axial pressure on the nut and prevent the hexagonal nut from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0014] Figure 1 It is a main cross-sectional view of the present invention; Figure 2 It is a left sectional view of the present invention; Figure 3 It is a schematic diagram of the spring connection of the present invention; Figure 4 A schematic diagram of the first card slot of the present invention; Figure 5 It is a schematic diagram of opening the second card slot of the present invention.

[0015] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 101, junction box body; 102, box cover; 103, anti-drop screw; 104, second spring washer; 105, second flat washer; 106, first knurled nut insert; 107, second knurled nut insert; 201, positive electrode terminal; 202, negative electrode terminal; 203, hexagonal nut; 204, bus bar; 205, terminal piece; 206, first spring washer; 207, first flat washer; 301, spring; 302, first slot; 303, second slot. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0017] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0019] See also Figure 1-5 As shown, this embodiment is an improved structure of an onboard junction box, comprising: An installation component, the installation component includes a junction box body 101 and a box cover 102, and the top of the junction box body 101 is movably connected to the box cover 102; Adaptability enhancement component, the adaptability enhancement component includes a positive terminal 201, a negative terminal 202, a hexagonal nut 203, a bus bar 204 and a terminal piece 205, the positive terminal 201 and the negative terminal 202 are vertically installed inside the terminal box body 101, the hexagonal nut 203 is connected to the positive terminal 201 and the negative terminal 202, the bus bar 204 is installed on one side of the terminal box body 101, and the terminal piece 205 is installed on the other side of the terminal box body 101, and the connection end of the terminal piece 205 is located at the bottom of the hexagonal nut 203; The junction box body 101 has a closed protection effect. The positive terminal 201 and the negative terminal 202 are used to connect the wires. The hexagonal nut 203 is used to tighten the connected wires. The bus bar 204 is used to collect current. The terminal piece 205 is installed at the bottom of the hexagonal nut 203.

[0020] The adaptability enhancement assembly further includes a first spring washer 206 and a first flat washer 207 , the bottom of the hexagonal nut 203 is connected to the first spring washer 206 , and the bottom of the first spring washer 206 is connected to the first flat washer 207 ; The provision of the first spring washer 206 and the first flat washer 207 enhances the connection stability of the hexagonal nut 203 .

[0021] The mounting assembly further includes an anti-dropping screw 103, a first knurled nut insert 106 and a second knurled nut insert 107. The first knurled nut insert 106 is provided on the box cover 102, and the second knurled nut insert 107 is provided on the junction box body 101. The anti-dropping screw 103 is connected to the middle of the first knurled nut insert 106 and the second knurled nut insert 107. The provision of the anti-falling screw 103 can prevent foreign matter from falling off, and the provision of the first knurled nut insert 106 and the second knurled nut insert 107 provides a guarantee for the firm connection of the anti-falling screw 103 .

[0022] The mounting assembly further includes a second spring washer 104 and a second flat washer 105. The bottom of the anti-falling screw 103 is connected to the second spring washer 104, and the bottom of the second spring washer 104 is connected to the second flat washer 105. The provision of the second spring washer 104 and the second flat washer 105 enhances the connection stability of the anti-drop screw 103 .

[0023] The fastening assembly includes a spring 301, and the spring 301 is movably connected between the first spring washer 206 and the first flat washer 207; The arrangement of the spring 301 provides a guarantee for the generation of the axial force.

[0024] The fastening assembly further includes a first slot 302 and a second slot 303 . The first spring washer 206 has a first slot 302 at the bottom, and the first flat washer 207 has a second slot 303 at the top. The provision of the first slot 302 and the second slot 303 provides a guarantee for the stable connection of the spring 301 .

[0025] Working principle: Connect the terminal piece 205 to the positive terminal post 201 and the negative terminal post 202, and at the same time, put the first spring washer 206 connected to the spring 301 and the first flat washer 207 on the positive terminal post 201 and the negative terminal post 202, then tighten the hexagonal nut 203, and then place the box cover 102 on the top of the junction box body 101, and tighten the anti-falling screw 103 at the first knurled nut insert 106 and the second knurled nut insert 107. This step has sufficient operating space and improves safety.

[0026] 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An improved structure of an onboard junction box, characterized in that: include: An installation component, the installation component comprising a junction box body (101) and a box cover (102), the top of the junction box body (101) being movably connected to the box cover (102); An adaptability enhancement component, the adaptability enhancement component comprising a positive electrode terminal (201), a negative electrode terminal (202), a hexagonal nut (203), a bus bar (204) and a terminal piece (205); the positive electrode terminal (201) and the negative electrode terminal (202) are vertically mounted inside the terminal box body (101); the hexagonal nut (203) is connected to the positive electrode terminal (201) and the negative electrode terminal (202); the bus bar (204) is mounted on one side of the terminal box body (101); the terminal piece (205) is mounted on the other side of the terminal box body (101); the connection end of the terminal piece (205) is located at the bottom of the hexagonal nut (203).

2. The improved structure of an onboard junction box according to claim 1, characterized in that: The adaptability enhancement component also includes a first spring washer (206) and a first flat washer (207); the bottom of the hexagonal nut (203) is connected to the first spring washer (206); and the bottom of the first spring washer (206) is connected to the first flat washer (207).

3. The improved structure of an onboard junction box according to claim 1, characterized in that: The mounting assembly further comprises an anti-dropping screw (103), a first knurled nut insert (106) and a second knurled nut insert (107); the first knurled nut insert (106) is provided on the box cover (102), the second knurled nut insert (107) is provided on the junction box body (101), and the anti-dropping screw (103) is connected to the middle of the first knurled nut insert (106) and the second knurled nut insert (107).

4. The improved structure of an onboard junction box according to claim 3, characterized in that: The mounting assembly further comprises a second spring washer (104) and a second flat washer (105); the bottom of the anti-falling screw (103) is connected to the second spring washer (104); and the bottom of the second spring washer (104) is connected to the second flat washer (105).

5. The improved structure of an onboard junction box according to claim 2, characterized in that: It also includes a fastening assembly, the fastening assembly including a spring (301), and the spring (301) is movably connected between the first spring washer (206) and the first flat washer (207).

6. The improved structure of an onboard junction box according to claim 5, characterized in that: The fastening assembly further comprises a first slot (302) and a second slot (303); the first spring washer (206) has a first slot (302) at the bottom, and the first flat washer (207) has a second slot (303) at the top.

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