CN110768032A - Adapter box penetrating through firewall of nacelle of aircraft engine - Google Patents
Adapter box penetrating through firewall of nacelle of aircraft engine Download PDFInfo
- Publication number
- CN110768032A CN110768032A CN201910968444.7A CN201910968444A CN110768032A CN 110768032 A CN110768032 A CN 110768032A CN 201910968444 A CN201910968444 A CN 201910968444A CN 110768032 A CN110768032 A CN 110768032A
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- Prior art keywords
- partition
- wall
- nut
- rod
- terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
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- Connection Or Junction Boxes (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The application provides a pass hot wall adapter box of aircraft engine nacelle, the adapter box includes lid 101, locking structure, nut 104, baffle 105, wears wall baffle 106, terminal bar 107, cuboid metal block 108, wherein: the through-wall partition 106 passes through a through hole on the firewall of the engine and is butted with a partition 105 on the other side of the firewall; the cuboid metal block 108 is provided with a threaded through hole, and the cuboid metal block 108 is mounted on the threaded connection rod 107 in a threaded mode; one surface of the through-wall partition 106 is provided with a cuboid groove, and the wire connecting rod 107 is butted with the through-wall partition 106 through the cuboid groove; the nut 104 is screwed through the terminal rod 107 on one side of the partition 105, the terminal and the nut 104 are locked on the terminal rod 107 through the locking structure, the other side of the terminal rod 107 locks the terminal on the terminal rod 107 through the locking structure, and the box cover 101 is fixed on the partition 105 and the wall-through partition 106.
Description
Technical Field
The invention relates to the field of aircraft engines, in particular to a switching device penetrating through a firewall of a nacelle of an aircraft engine.
Background
The adapter box of the airplane is an important part for airplane electrical connection and is used for the incoming line adapter of airplane wires, and the maintenance frequency of the adapter box is high. In the prior art, a single wiring and/or wiring module is mostly used for switching and branching the incoming wires of the wires, and for large thick wires needing to pass through a firewall, the wires of the junction box arranged on one side are difficult to maintain, install and disassemble; for aircraft with relatively tight nacelle space, the bend radius of the wire is relatively difficult.
Disclosure of Invention
In order to overcome the defects and shortcomings of the existing aircraft adapter box, the invention aims to provide the wall-penetrating adapter box which can be quickly installed and detached and is convenient to maintain.
In order to solve the problems existing in the prior art, the application provides a pass aircraft engine nacelle firewall adapter box, the adapter box includes lid 101, locking structure, nut 104, baffle 105, wall partition 106, terminal rod 107, cuboid metal block 108, wherein:
the through-wall partition 106 passes through a through hole on the firewall of the engine and is butted with a partition 105 on the other side of the firewall; the cuboid metal block 108 is provided with a threaded through hole, and the cuboid metal block 108 is mounted on the threaded connection rod 107 in a threaded mode; one surface of the through-wall partition 106 is provided with a cuboid groove, and the wire connecting rod 107 is butted with the through-wall partition 106 through the cuboid groove; the nut 104 is screwed through the terminal rod 107 on the side of the partition 105, the terminal and the nut 104 are locked on the terminal rod 107 through the locking structure, the other side of the terminal rod (107) locks the terminal on the terminal rod 107 through the locking structure, and the box cover 101 is fixed on the partition 105 and the through-wall partition 106.
Preferably, both the bulkhead 105 and the through-wall bulkhead 106 are of insulating material.
Preferably, the rectangular parallelepiped metal block 108 is made of copper.
Preferably, the material of the terminal rod 107 is copper.
Preferably, the nut 104 comprises a hex nut.
Preferably, the nut 104 is made of copper.
Preferably, the box cover 101 is made of an insulating material.
Preferably, the locking structure comprises a self-locking nut 102 and a flat pad 103.
The invention can solve the problem of through-wall switching inside and outside the firewall of the nacelle of the aircraft engine, can effectively increase the diversity of the realization of electrical connection, and has simple design and lower cost. In addition, the engine nacelle firewall through-wall type adapter box adopts component assembly and installation, is simple to assemble, convenient to maintain and easy to popularize and apply.
Drawings
FIG. 1 is an exploded view of a through-the-wall adapter for a firewall of a nacelle according to the present invention;
FIG. 2 is an enlarged view of a portion of the component;
FIG. 3 is a partial sectional view from above;
FIG. 4 is a partial, partially sectioned view of the underside of the component;
wherein: 101 is a box cover, 102 is a self-locking nut, 103 is a flat pad, 104 is a nut, 105 is a partition plate, 106 is a wall-penetrating partition plate, 107 is a wire connecting rod, and 108 is a cuboid metal block.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
The technical scheme adopted by the invention is as follows: a design of a firewall through-wall adapter box of an aircraft engine nacelle comprises a box cover 101, a self-locking nut 102, a flat pad 103, a nut 104, a partition plate 105, a through-wall partition plate 106, a wiring rod 107 and a cuboid metal block 108, wherein the through-wall partition plate 106 penetrates through an opening of a firewall of an engine, the partition plate 105 is butted at the other side of the firewall, the cuboid metal block 108 is installed on the wiring rod 107 in a threaded manner, the wiring rod 107 is aligned with a cuboid groove of the through-wall partition plate 106 and penetrates through the butt joint, the hexagonal nut 104 is fixedly installed on the wiring rod penetrating through the side of the partition plate 105 in a threaded manner, an opening at the other side of the wiring rod 107 is clamped by a tool, the nut 104 and the cuboid metal block 108 are screwed, the wiring rod at one side is selected to install the wiring terminal, the flat pad 103 and the self-locking nut 102 are installed, the, the two side covers 101 are fixedly connected with the partition 105 and the through-wall partition 106.
Example one
Specifically, the invention discloses a design of a junction box penetrating through a firewall of an aircraft engine nacelle, which comprises a box cover 101, a locking structure, a nut 104, a partition plate 105, a wall-penetrating partition plate 106, a junction rod 107 and a cuboid metal block 108; the through-wall partition 106 penetrates through an opening of an engine firewall, the partition 105 is in butt joint with the other side of the firewall, a cuboid metal block 108 is installed on a wire connecting rod 107 in a threaded mode, the wire connecting rod 107 is aligned with a cuboid groove of the through-wall partition 106 and penetrates through the butt joint, a hexagonal nut 104 is fixedly installed on the wire connecting rod 107 penetrating through the side of the partition 105 in a threaded mode, a tool is used for clamping an opening of the other side of the wire connecting rod 107, a nut 104 and the cuboid metal block 108 are tightened, a wire connecting rod on one side is selected to be installed with a wire connecting terminal, a flat pad 103 and a self-locking nut 102 are installed, the tool is used for clamping the opening of the other side of the wire connecting. By adopting the invention, the problem of through-wall switching inside and outside the firewall of the nacelle of the aircraft engine can be solved, the diversity of the realization of electrical connection can be effectively increased, and the invention has simple design and lower cost. In addition, the through-wall type adapter box of the firewall of the engine nacelle is assembled and installed by adopting components, is simple to assemble and convenient to maintain, and is easy to popularize and apply.
As shown in fig. 1, a through-wall partition 106 penetrates through an opening of an engine firewall, a partition 105 is butted on the other side of the firewall, a cuboid metal block 108 is mounted on a wire connecting rod 107 in a threaded mode, the wire connecting rod 107 is aligned with a cuboid groove of the through-wall partition 106 and penetrates through the butt joint, a hexagonal nut 104 is fixedly mounted on the wire connecting rod penetrating through the partition 105 side in a threaded mode, a tool is used for clamping an opening on the other side of the wire connecting rod, the hexagonal nut 104 and the cuboid metal block 108 are screwed, a wire connecting rod on one side is selected for mounting a wire connecting terminal, a flat pad and a self-locking nut are mounted, the wire connecting rod is clamped at the opening on the other side in a threaded mode, the self-locking nut is screwed, the other side is operated in.
The lid 101 is made of PEEK or an insulating material. And artificial electric shock protection and switching terminal end insulation and mechanical protection are provided above the terminal rod.
The hexagonal nut 104 is made of brass or copper, the inner part of the nut is solid, and the inner ring is provided with threads. The nut 104 is installed on the wire connecting rod on the side provided with the partition plate 105 and is screwed tightly, and the terminal is sleeved on the hexagonal nut to increase the electrical contact area of the terminal and the wire connecting rod and increase the electrical connection effectiveness.
Referring to fig. 2, the terminal rod 107 is made of brass or copper, the interior is solid, the outer surface of the middle end is threaded, the rectangular metal block 108 is made of brass or copper, the interior is solid, the inner ring is threaded, the rectangular metal block 108 is screwed into the terminal rod, and the fixed length is selected according to the different connection terminals on the two sides of the firewall. The cuboid metal block 108 is a design requirement for increasing the effective electrical contact area of the wiring terminal and the wiring rod and ensuring the current to flow through the heat effect.
Referring to fig. 3 and 4, the wall-through partition 106 is made of PEEK or insulating material, and as can be seen from the figure, the protruding portion penetrating through the firewall is solid to fix the wire connecting rod, and meanwhile, the requirement of electrical isolation distance between the wire connecting rod and the firewall is ensured, so as to meet the safety of electrical connection; the lower part of the partition board is internally provided with a cuboid inner groove for fixing a cuboid copper block to prevent the wiring rod from rotating around the axis. The reliable connection of the terminals on the terminal bar is ensured.
The above-described implementation represents only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a pass fire wall adapter box of aircraft engine nacelle, its characterized in that, the adapter box includes lid (101), locking structure, nut (104), baffle (105), wears wall baffle (106), terminal bar (107), cuboid metal block (108), wherein:
the wall-through partition (106) penetrates through an opening on the firewall of the engine and is butted with a partition (105) on the other side of the firewall; the cuboid metal block (108) is provided with a threaded through hole, and the cuboid metal block (108) is mounted on a threaded junction rod (107) in a threaded mode; one surface of the through-wall partition plate (106) is provided with a cuboid groove, and the wire connecting rod (107) is butted with the through-wall partition plate (106) through the cuboid groove; the nut (104) is screwed and penetrates through the wiring rod (107) on the partition plate (105) side, the wiring terminal and the nut (104) are locked on the wiring rod (107) through the locking structure, the wiring terminal is locked on the wiring rod (107) on the other side of the wiring rod (107) through the locking structure, and the box cover (101) is fixed on the partition plate (105) and the wall penetrating partition plate (106).
2. The patch box of claim 1, wherein the partition (105) is an insulating partition and the wall feed-through partition (106) is an insulating wall feed-through partition.
3. The adapter box of claim 1, wherein the rectangular parallelepiped metal block (108) is a rectangular parallelepiped copper block.
4. The adapter box according to claim 1, characterized in that the jumper bar (107) is a copper jumper bar.
5. The adapter cassette of claim 1, wherein the nut (104) comprises a hex nut (104).
6. The adapter box of claim 1, wherein the nut (104) is a copper nut.
7. The adapter box according to claim 1, characterized in that the box cover (101) is an insulating box cover.
8. The adapter cassette of claim 1, wherein the locking structure comprises a self-locking nut (102), a flat pad (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968444.7A CN110768032B (en) | 2019-10-12 | 2019-10-12 | Adapter box penetrating through firewall of nacelle of aircraft engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910968444.7A CN110768032B (en) | 2019-10-12 | 2019-10-12 | Adapter box penetrating through firewall of nacelle of aircraft engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110768032A true CN110768032A (en) | 2020-02-07 |
| CN110768032B CN110768032B (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910968444.7A Active CN110768032B (en) | 2019-10-12 | 2019-10-12 | Adapter box penetrating through firewall of nacelle of aircraft engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110768032B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050130493A1 (en) * | 2002-02-02 | 2005-06-16 | Thorner Wolfgang B. | Pole terminal |
| CN202423765U (en) * | 2011-11-16 | 2012-09-05 | 深圳市德塔电动汽车科技有限公司 | Binding post installation sleeve |
| WO2015090688A1 (en) * | 2013-12-16 | 2015-06-25 | Robert Bosch Gmbh | Control device comprising a low-resistance electrical connection |
| CN204497511U (en) * | 2015-03-06 | 2015-07-22 | 成都必控科技股份有限公司 | Can the wall-through wire connecting terminal of anti-rotation |
| CN204885712U (en) * | 2015-08-25 | 2015-12-16 | 湖南东方电器有限公司 | Be applied to low -voltage switchgear's single -phase adaptor |
| US20170136566A1 (en) * | 2015-11-17 | 2017-05-18 | Illinois Tool Works Inc. | Power interconnects in a modular access panel |
| CN208608132U (en) * | 2018-08-03 | 2019-03-15 | 浙江凡华电子有限公司 | Electromagnetic relay leading-out terminal structure |
| CN209071629U (en) * | 2018-12-04 | 2019-07-05 | 武汉泓承科技有限公司 | A kind of high current binding post for power input output interface |
-
2019
- 2019-10-12 CN CN201910968444.7A patent/CN110768032B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050130493A1 (en) * | 2002-02-02 | 2005-06-16 | Thorner Wolfgang B. | Pole terminal |
| CN202423765U (en) * | 2011-11-16 | 2012-09-05 | 深圳市德塔电动汽车科技有限公司 | Binding post installation sleeve |
| WO2015090688A1 (en) * | 2013-12-16 | 2015-06-25 | Robert Bosch Gmbh | Control device comprising a low-resistance electrical connection |
| CN204497511U (en) * | 2015-03-06 | 2015-07-22 | 成都必控科技股份有限公司 | Can the wall-through wire connecting terminal of anti-rotation |
| CN204885712U (en) * | 2015-08-25 | 2015-12-16 | 湖南东方电器有限公司 | Be applied to low -voltage switchgear's single -phase adaptor |
| US20170136566A1 (en) * | 2015-11-17 | 2017-05-18 | Illinois Tool Works Inc. | Power interconnects in a modular access panel |
| CN208608132U (en) * | 2018-08-03 | 2019-03-15 | 浙江凡华电子有限公司 | Electromagnetic relay leading-out terminal structure |
| CN209071629U (en) * | 2018-12-04 | 2019-07-05 | 武汉泓承科技有限公司 | A kind of high current binding post for power input output interface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110768032B (en) | 2023-04-14 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221014 Address after: 519040 building 201, 999 Jinhai Middle Road, Jinwan District, Zhuhai City, Guangdong Province Applicant after: SOUTH CHINA AIRCRAFT INDUSTRY CO., LTD. OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. Address before: 519090 AVIC general aviation industrial base, aviation industrial park, Jinwan District, Zhuhai City, Guangdong Province Applicant before: R&D INSTITUTE OF CHINA AVIATION INDUSTRY GENERAL AIRCRAFT Co.,Ltd. |
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