Hole-making positioning device for rocker arm mechanism of aircraft window

By designing a hole-making and positioning device for aircraft window rocker arm mechanisms, the problem of existing tools being unable to make precise holes was solved, enabling rapid and accurate hole marking and installation, and improving production and maintenance efficiency.

CN223617302UActive Publication Date: 2025-12-02COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1
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Patent Information

Application Number
CN202423047726.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-12-02
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing drilling tools cannot achieve fast and accurate drilling of aircraft window rocker mechanisms, resulting in inaccurate wiring harness fixing point positions, which can easily lead to wiring harness wear and structural interference.

Method used

A hole-making positioning device was designed, including a base, a receiving part, a scribing block and a positioning block. Through the cooperation of the receiving part and the arc groove, the marking of old holes and the precise positioning of new holes can be achieved. Adjusting screws and fastening devices are used to ensure the stable positioning of the rocker arm mechanism.

Benefits of technology

It achieves precise positioning of the hole-making position, reduces human error, improves work efficiency, shortens operation time, and enables quick installation and disassembly of the rocker arm mechanism, thereby improving production and maintenance efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drilling positioning device for a rocker arm mechanism of an aircraft window. The drilling positioning device comprises a base, a containing part, a scribing block and a positioning block. The accommodating part extends on the base, the accommodating part is provided with an arched top wall, an accommodating space for accommodating the rocker arm mechanism is formed in the accommodating part, an arc-shaped groove extending along the circumferential surface of the accommodating part is formed in the top wall of the accommodating part, and the arc-shaped groove is communicated with the accommodating space. The scribing block is detachably connected in the arc-shaped groove and is constructed to be capable of being positioned in an old hole of an old rocker arm mechanism so that scribing and marking can be conducted on the base or the containing part according to the position of the scribing block. And the positioning block is detachably jointed in the arc-shaped groove and is provided with a guide hole, and the positioning block is constructed to be capable of being positioned in the arc-shaped groove according to the lineation mark. According to the scheme, the rocker arm mechanism of the aircraft window can be accurately punched, so that the punching precision can be improved, personal errors are reduced, the working efficiency is improved, and the operation time is shortened.
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Description

Technical Field

[0001] This utility model relates to a tool for aircraft manufacturing and maintenance, and more particularly to a hole-making and positioning device for a rocker arm mechanism for aircraft windows. Background Technology

[0002] During the maintenance of a specific aircraft model, maintenance personnel discovered that the wiring harness for the aircraft's ventilation windows was excessively long. This caused the redundant wiring harness to sag naturally. In more complex and challenging situations during aircraft operation, this sag could cause the auger tube to enter the decorative cover, interfering with moving structural components and leading to wiring wear. Therefore, it was necessary to add wiring harness fixing points to the rocker arm mechanism of the aircraft window, replace the rocker arm mechanism in the overall structure, and precisely drill holes in the new mechanism. However, existing drilling tools often cannot achieve fast and precise drilling.

[0003] Therefore, there is a need to provide a hole-making and positioning device for a rocker arm mechanism for aircraft windows, in order to at least partially solve the above-mentioned problems. Utility Model Content

[0004] The hole-making and positioning device for the rocker arm mechanism of an aircraft window proposed in this utility model includes:

[0005] Base;

[0006] The receiving portion extends on the base, the receiving portion has an arched top wall and an internal receiving space for receiving the rocker arm mechanism therein, wherein the top wall of the receiving portion is provided with an arcuate groove extending along its circumferential surface, and the arcuate groove communicates with the receiving space.

[0007] A scribing block, detachably engaged in the arcuate groove and configured to be positioned within an existing hole in the existing rocker arm mechanism, for scribing marking on the base or the receiving portion with reference to the position of the scribing block; and

[0008] A positioning block, which is detachably engaged in the arcuate groove and has a lead hole, is configured to be positioned in the arcuate groove according to the scribed mark.

[0009] Preferably, the receiving portion is disposed near a lateral edge of the base and extends along the lateral centerline of the base.

[0010] Preferably, the receiving portion includes a first part and a second part connected to the first part, the arched top wall being formed on the first part, and the second part being constructed as a hollow cylindrical structure and protruding from the edge of the base.

[0011] The hole-making positioning device further includes an adjusting screw for adjusting the position of the old rocker arm mechanism, the adjusting screw being screwed into the second part.

[0012] Preferably, the hole-making positioning device further includes a fastening device spaced apart from the receiving portion, the fastening device being disposed on the base and configured to fasten the rocker arm mechanism when the rocker arm mechanism is received in the receiving portion.

[0013] Preferably, the rocker arm mechanism includes a first rocker arm portion and a second rocker arm portion disposed substantially perpendicular to the first rocker arm portion. One end of the first rocker arm portion can be accommodated in the accommodating portion, and the second rocker arm portion is provided with a mounting hole.

[0014] The fastening device includes a vertical plate formed on the base and spaced apart from the receiving portion, and a quick-release pin detachably connected to the vertical plate. The vertical plate has a through hole, and the quick-release pin includes a pin body and a handle portion arranged substantially perpendicular to the pin body. The pin body is configured to allow the mounting hole of the rocker arm mechanism to pass through and extend through the through hole.

[0015] Preferably, the hole-making and positioning device includes two fastening devices, which are symmetrically arranged on both sides of the receiving portion along the transverse centerline of the base.

[0016] Preferably, the scribing block includes a first main body portion with an overall shape generally H-shaped and a first boss portion extending from the first main body portion, wherein when the scribing block is engaged in the arc-shaped groove, the first boss portion extends into the arc-shaped groove, and the first main body portion is locked outside the arc-shaped groove.

[0017] Preferably, the marking block further includes a positioning post disposed at the bottom of the first boss portion, the positioning post being constructed as a truncated cone and capable of being inserted into the old hole.

[0018] Preferably, the positioning block includes a second main body portion with an overall shape generally H-shaped and a second boss portion extending from the second main body portion, wherein when the positioning block is engaged in the arc-shaped groove, the second boss portion extends into the arc-shaped groove, and the second main body portion is locked outside the arc-shaped groove.

[0019] Preferably, the top wall of the accommodating portion is provided with two arc-shaped grooves that extend parallel to each other along its circumferential surface.

[0020] The hole-making positioning device according to the above scheme can mark the position of the old hole on the old rocker arm mechanism and position the new hole on the new rocker arm mechanism according to the mark. This scheme can achieve precise positioning of the hole-making position, thereby improving hole-making accuracy, reducing human error, increasing work efficiency, and shortening operation time. Furthermore, the above scheme can also achieve rapid installation and disassembly of the rocker arm mechanism, improving production and maintenance efficiency and quality. Attached Figure Description

[0021] To better understand the above and other objects, features, advantages, and functions of this utility model, reference can be made to the preferred embodiments shown in the accompanying drawings. The same or similar reference numerals in the drawings refer to the same or similar parts. Those skilled in the art should understand that the drawings are intended to schematically illustrate the preferred embodiments of this utility model and do not limit the scope of this utility model in any way; the parts in the drawings are not drawn to scale.

[0022] Figure 1 This is a perspective view of the hole-making and positioning device for a rocker arm mechanism for an aircraft window, and the rocker arm mechanism mounted thereon, according to a preferred embodiment of the present invention, in an assembled state.

[0023] Figure 2 for Figure 1 A perspective view of the hole-making and positioning device shown.

[0024] Figure 3 for Figure 2 The diagram shows a perspective view of the hole-making and positioning device after omitting the quick-release pins and positioning screws.

[0025] Figure 4 and Figure 5 They are respectively Figure 2 A three-dimensional view of the scribing block and positioning block of the hole-making and positioning device shown. Detailed Implementation

[0026] The retaining mechanism according to a preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. It is understood that the following description is merely a preferred embodiment of the present invention, and those skilled in the art can conceive of other ways to implement the present invention based on the preferred embodiments; such other ways also fall within the scope of the present invention.

[0027] First, it should be noted that the directional and positional terms used in this utility model should be understood as relative directions and positions, rather than absolute directions and positions.

[0028] The following will refer to Figures 1-5A preferred embodiment of the present invention provides a detailed description of a hole-making and positioning device for a rocker arm mechanism of an aircraft window. The hole-making and positioning device of the present invention is mainly used for positioning new holes on the rocker arm mechanism of an aircraft window. The main working principle of the hole-making and positioning device is to mark the position of the old hole on the old rocker arm mechanism, and then locate the new hole on the rocker arm mechanism according to the mark, thereby obtaining a precise hole position.

[0029] like Figure 1 As shown, the rocker arm mechanism 200 for the aircraft window is generally L-shaped and includes a first rocker arm portion 210 and a second rocker arm portion 220 disposed generally perpendicular to the first rocker arm portion 210. The hole-making and positioning device according to this invention can precisely position one or two holes on the first rocker arm portion 210. The second rocker arm portion is provided with mounting holes 221, which can cooperate with the fastening device 160 to fix the rocker arm mechanism 200 to the base 110 (described in detail below).

[0030] like Figures 1-3 As shown, the hole-making positioning device 100 includes a base 110 and a receiving portion 120 disposed on the base 110. The base 110 is generally square in shape, preferably made of aerospace-grade aluminum alloy, and the surface of the base 110 can be anodized to improve its strength. The receiving portion 120 is disposed adjacent to a lateral edge of the base 110 and extends along the lateral centerline of the base 110. The receiving portion 120 has a first part 122 and a second part 123 connected to the first part 122. The first part 122 has an arched top wall 122a and its bottom is connected to the base 110. A receiving space 122b is provided between the first part 122 and the base 110, and the receiving space 122b has a circular cross-section. The first rocker arm portion 210 of the rocker arm mechanism 200 can be accommodated in the receiving space 122b. The top wall 122a of the first part 122 has an arcuate groove 121 extending along the circumferential surface of its arched structure, and the arcuate groove 121 communicates with the accommodating space 122b. The second part 123 of the accommodating portion 120 is constructed as a hollow cylindrical structure, in which an adjusting screw (described later) can be installed. Preferably, the first part 122 and the second part 123 are formed integrally.

[0031] like Figure 1 and Figure 2As shown, the hole-making positioning device 100 also includes a scribing block 130 and a positioning block 140. Both the scribing block 130 and the positioning block 140 are detachably engaged in the arcuate groove 121. The scribing block 130 is configured to be positioned within the old hole of the old rocker arm mechanism when the old rocker arm mechanism is positioned in the receiving portion 120, allowing for precise positioning of the old hole position of the old rocker arm mechanism by scribing a mark on the base 110 or the receiving portion 120 with reference to the position of the scribing block. When a new rocker arm mechanism for which hole-making is intended is positioned in the receiving portion 120, the positioning block 140 can be positioned on the receiving portion 120 according to the scribing mark. The positioning block 140 has a lead hole 143 that communicates with the receiving space 122b. By extending a rotating head through the lead hole 143 on the positioning block 140 to the new rocker arm mechanism, a precise hole position can be obtained on the new rocker arm mechanism.

[0032] like Figure 4 As shown, the scribing block 130 includes a first main body portion 131 and a first boss portion 132. The overall shape of the first main body portion 131 is approximately H-shaped, so that the user can grip it by holding both ends of the H-shape. The first boss portion 132 extends outward from the middle of the first main body portion 131 and can be inserted into the arc-shaped groove 121. When the scribing block 130 is engaged in the arc-shaped groove 121, the first boss portion 132 extends into the arc-shaped groove 121, while the first main body portion 131 is locked outside the arc-shaped groove 121. Preferably, the scribing block 130 also includes a positioning post 133 disposed at the bottom of the first boss portion 132. The positioning post 133 is constructed as a truncated cone and can be inserted into an old hole on the old rocker arm mechanism. This solution can improve the positioning accuracy of the scribing block 130, thereby accurately determining the position of the old hole on the old rocker arm mechanism, and thus accurately marking the position of the old hole on the base 110 or the receiving portion 120.

[0033] like Figure 5 As shown, the positioning block 140 includes a second body portion 141 and a second boss portion 142 extending outward from the second body portion 141. The overall shape of the second body portion 141 is generally H-shaped to facilitate a user's gripping of the two ends of the H-shape. When the positioning block 140 engages in the arcuate groove 121, the second boss portion 142 extends into the arcuate groove 121, while the second body portion 141 is engaged outside the arcuate groove 121. Preferably, a guide hole 143 is formed at the center of the second body portion 141 and extends through the second boss portion 142.

[0034] Return to reference Figure 1 and Figure 2The hole positioning device 100 also includes an adjusting screw 150, which is screwed into the second portion 123 of the receiving portion 120. The adjusting screw 150 can fine-tune the position of the old rocker arm mechanism installed in the receiving portion 120 so that the position of the old hole on the old rocker arm mechanism is within the arcuate groove 121. Preferably, the second portion 123 of the receiving portion 120 protrudes from the edge of the base 110.

[0035] Preferably, the hole-making positioning device 100 further includes a fastening device 160, which can fasten the rocker arm mechanism to the base 110 to prevent it from shifting during marking or hole-making positioning and thus reducing the hole-making accuracy. The fastening device 160 is disposed on the base 110 and spaced apart from the receiving portion 120, and the fastening device 160 is configured to fasten the rocker arm mechanism when it is received in the receiving portion 120.

[0036] like Figure 1 and Figure 2 As shown, the fastening device 160 includes a vertical plate 161 and a quick-release pin 162 detachably connected to the vertical plate 161. The vertical plate 161 extends upward from the base 110 and is spaced apart from the receiving portion 120 in the transverse and longitudinal directions of the base 110. A through hole 161a is provided on the vertical plate 161. The quick-release pin 162 includes a pin body 162a and a handle portion 162b arranged substantially perpendicular to the pin body 162a. The pin body 162a can be quickly installed in and removed from the through hole 161a of the vertical plate 161. In actual operation, after one end of the first part 210 of the rocker arm mechanism 200 is housed in the receiving part 120, the pin 162a can be extended through the mounting hole 221 on the second part 220 of the rocker arm mechanism 200 and installed in the through hole 161a of the upright plate 161. In this way, the rocker arm mechanism 200 can be fastened to the base 110 to prevent it from shifting during operation.

[0037] Preferably, the hole-making positioning device 100 includes two fastening devices 160, which have the same configuration and are symmetrically arranged on both sides of the receiving portion 120 along the lateral centerline of the base. This design increases the installation flexibility of the rocker arm mechanism 200, allowing it to be fastened by the fastening devices 160 regardless of which side of its second rocker arm portion 220 faces the base 110.

[0038] The following will describe in detail a method for hole positioning using a hole positioning device according to a preferred embodiment of the present invention. The method includes the following steps:

[0039] S1. Secure the old rocker arm mechanism to the base 110;

[0040] S2. Rotate the adjusting screw 150 to adjust the position of the old rocker arm mechanism in the receiving part 120 so that the position of the old hole of the old rocker arm mechanism is in the arc groove 121.

[0041] S3. Install the scribing block 130, position the scribing block 130 in the old hole of the old rocker arm mechanism, and use a marker or other marking device to scribing mark the position of the scribing block 130 on the base 110 or the receiving part 120.

[0042] S4. Remove the scribing block 130 and the old rocker arm mechanism, and install the new rocker arm mechanism to be used for hole positioning on the base 110;

[0043] S5. Install the positioning block 140 according to the markings. The precise hole position can be obtained by passing the rotating head through the pilot hole in the center of the positioning block 140.

[0044] The hole-making positioning device and method described above can achieve precise positioning of the hole-making position, thereby improving hole-making accuracy, reducing human error, increasing work efficiency, and shortening operation time. Furthermore, the above solution also enables rapid installation and disassembly of the rocker arm mechanism, improving production and maintenance efficiency and quality.

[0045] like Figures 1-3 As shown, in a preferred embodiment, the top wall of the receiving portion 120 is provided with two arc-shaped grooves 121 extending parallel to each other along its circumferential surface. This design enables the marking and positioning of two hole positions. In one embodiment, the old rocker arm mechanism has two old holes (not shown). Accordingly, during the actual hole-making and positioning process, the two old holes on the old rocker arm mechanism can be located in the two arc-shaped grooves 121 of the receiving portion 120, respectively. Thus, the positions of the two old holes can be positioned by the scribing block 130, and the positions of the two old holes can be scribed on the base 110 or the receiving portion 120. When the new rocker arm mechanism for which holes are to be made is installed on the base 110, the positioning block 140 can be installed sequentially at the positions of the two scribing marks to complete the hole position confirmation of the two new holes in sequence. In this way, the positions of the two new holes can be accurately confirmed on the new rocker arm mechanism.

[0046] The above description of various embodiments of this utility model is provided for descriptive purposes to a person skilled in the art. It is not intended to exclude or limit the utility model to a single disclosed embodiment. As taught above, those skilled in the art will understand that various alternatives and variations of this utility model are possible. Therefore, although some alternative embodiments have been specifically described, those skilled in the art will understand or relatively easily develop other embodiments. This utility model is intended to include all alternatives, modifications, and variations of the utility model described herein, as well as other embodiments falling within the spirit and scope of the utility model described above.

Claims

1. A hole-making and positioning device for a rocker arm mechanism of an aircraft window, characterized in that, The hole-making positioning device (100) includes: Base (110); A receiving portion (120) extends on the base (110), the receiving portion (120) having an arched top wall (122a) and an internal receiving space (122b) for receiving the rocker arm mechanism (200) therein, wherein an arcuate groove (121) extending along its circumferential surface is provided on the top wall of the receiving portion (120), and the arcuate groove (121) communicates with the receiving space; A scribing block (130), which is detachably engaged in the arcuate groove (121) and configured to be positioned in an old hole in the old rocker arm mechanism, so as to scribe lines on the base (110) or the receiving portion (120) with reference to the position of the scribing block (130); and A positioning block (140) is detachably engaged in the arcuate groove (121) and has a lead hole (143). The positioning block (140) is configured to be positioned in the arcuate groove (121) according to the scribed mark.

2. The hole-making and positioning device according to claim 1, characterized in that, The receiving portion (120) is disposed near a lateral edge of the base (110) and extends along the lateral centerline of the base (110).

3. The hole-making and positioning device according to claim 1 or 2, characterized in that, The receiving portion (120) includes a first portion (122) and a second portion (123) connected to the first portion (122). The arched top wall (122a) is formed on the first portion, and the second portion is constructed as a hollow cylindrical structure and protrudes from the edge of the base (110). The hole-making positioning device (100) further includes an adjusting screw (150) for adjusting the position of the old rocker arm mechanism, the adjusting screw (150) being screwed into the second part.

4. The hole-making and positioning device according to claim 1, characterized in that, The hole-making positioning device (100) further includes a fastening device (160) spaced apart from the receiving portion (120), the fastening device (160) being disposed on the base (110) and configured to fasten the rocker arm mechanism (200) when the rocker arm mechanism (200) is received in the receiving portion (120).

5. The hole-making and positioning device according to claim 4, characterized in that, The rocker arm mechanism (200) includes a first rocker arm portion (210) and a second rocker arm portion (220) disposed substantially perpendicular to the first rocker arm portion. One end of the first rocker arm portion (210) can be accommodated in the accommodating portion (120), and the second rocker arm portion (220) is provided with a mounting hole (221). The fastening device (160) includes a vertical plate (161) formed on the base and spaced apart from the receiving portion (120) and a quick-release pin (162) detachably connected to the vertical plate (161). The vertical plate (161) is provided with a through hole (161a). The quick-release pin (162) includes a pin body (162a) and a handle portion (162b) arranged substantially perpendicular to the pin body. The pin body is configured to allow the mounting hole (221) of the rocker arm mechanism to pass through and to extend through the through hole (161a).

6. The hole-making and positioning device according to claim 4 or 5, characterized in that, The hole-making positioning device (100) includes two fastening devices (160), which are symmetrically arranged on both sides of the receiving portion (120) along the transverse center line of the base (110).

7. The hole-making and positioning device according to claim 1, characterized in that, The scribing block (130) includes a first main body (131) with an overall shape generally H-shaped and a first boss (132) extending from the first main body. When the scribing block (130) is engaged in the arcuate groove (121), the first boss (132) extends into the arcuate groove (121), and the first main body (131) is locked outside the arcuate groove (121).

8. The hole-making and positioning device according to claim 7, characterized in that, The marking block (130) also includes a positioning post (133) disposed at the bottom of the first boss portion (132), the positioning post being constructed as a truncated cone and capable of being inserted into the old hole.

9. The hole-making and positioning device according to claim 1, characterized in that, The positioning block (140) includes a second main body (141) with an overall shape generally H-shaped and a second boss (142) extending from the second main body. When the positioning block (140) is engaged in the arcuate groove (121), the second boss (142) extends into the arcuate groove (121), and the second main body (141) is locked outside the arcuate groove (121).

10. The hole-making and positioning device according to claim 1, characterized in that, The top wall of the accommodating part (120) is provided with two arc-shaped grooves (121) that extend parallel to each other along its circumferential surface.