Universal passenger cabin door supporting tool

Abstract

The utility model discloses a universal passenger cabin door supporting tool which comprises a fixed rod, a movable end, an end spring, a connecting lining, a telescopic supporting rod and a door clamping head, a static end is arranged at one end of the fixed rod, the movable end is inserted into the other end of the fixed rod, the end spring is installed on the inner side of the movable end, the elastic force of the end spring acts on the movable end outwards, and the telescopic supporting rod is connected with the door clamping head. The fixing rod is sleeved with the connecting lining in a sliding mode, the connecting lining is provided with a first pipe clamp structure used for locking the connecting lining on the fixing rod, the telescopic supporting rod can be adjusted in a telescopic mode, one end of the telescopic supporting rod is hinged to the connecting lining, the other end of the telescopic supporting rod is connected with the door clamping head through a universal joint, and the door clamping head is used for being connected with a door structure of a passenger cabin door. According to the utility model, the passenger cabin door of the airplane can be limited at any angle required to be opened.

Description

Technical Field

[0001] The utility model relates to an aircraft maintenance auxiliary tool, in particular to a universal cabin door supporting tool. Background Art

[0002] When the aircraft is undergoing scheduled maintenance, such as oiling, removing and installing door linings, lubrication, repainting, or short stops for inspection, the cabin door needs to be opened to the half-open position. However, the original design of the aircraft cabin door is that the cabin door can only be locked and fixed in the fully closed or fully open position, and cannot be locked in any other position.

[0003] Therefore, when performing the corresponding regular inspection and maintenance, a worker is needed to assist in fixing the cabin door before the regular inspection and maintenance work can be carried out. The cabin door needs to be fixed until the relevant regular inspection and maintenance work is completed. It can be seen that such a regular inspection and maintenance process will waste manpower, so it is hoped to design a universal cabin door support tool to support and fix the cabin door, thereby saving corresponding manpower. Utility Model Content

[0004] The utility model aims to provide a universal cabin door supporting tool, which can limit the aircraft cabin door to any angle required to be opened.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A universal cabin door support tool, characterized in that it includes a fixed rod, a movable end, an end spring, a connecting bushing, a telescopic strut and a door clamp, one end of the fixed rod is provided with a static end, the movable end is inserted into the other end of the fixed rod, the end spring is installed on the inner side of the movable end, and its elastic force acts outward on the movable end, the connecting bushing is slidably sleeved on the fixed rod, the connecting bushing is provided with a first pipe clamp structure for locking it on the fixed rod, the telescopic strut can be telescopically adjusted, one end of the telescopic strut is hinged to the connecting bushing, and the other end is connected to the door clamp through a universal joint, and the door clamp is used to connect to the door structure of the cabin door.

[0007] Furthermore, grooves for being sleeved on the protrusions of the cabin door frame are respectively provided in the middle of the end surfaces of the static end head and the dynamic end head.

[0008] Furthermore, a long strip sliding hole is provided on the side wall of the fixing rod, the inner end of the movable end head crosses the limit pin, and the end of the limit pin passes through the sliding hole, so that the movable end head slides within the range limited by the sliding hole.

[0009] Furthermore, an end portion of the fixing rod for mounting the movable end is provided with an end spring seat, and limiting grooves are respectively provided on the end spring seat and on the inner end of the movable end. The end spring is compressed between the movable end and the end spring seat, and the end of the end spring is embedded in the limiting groove.

[0010] Furthermore, a safety pin is inserted into the movable end.

[0011] Furthermore, the fixing rod includes an inner rod, an outer rod and a locking pin. The outer rod is sleeved on the inner rod so that the fixing rod can be telescopic. Locking holes are respectively provided on the inner rod and the outer rod. When the locking holes on the inner rod and the outer rod are aligned, the locking pin passes through the locking holes to lock them.

[0012] Furthermore, the telescopic support rod comprises an outer tube and an inner tube, the outer tube is sleeved on the inner tube, and a second tube clamp structure for locking the outer tube on the inner tube is provided at the end of the outer tube.

[0013] Furthermore, the door clamp includes a base, a fixed card and a movable card. One end of the fixed card is fixed to one end of the base, and one end of the movable card is provided with a screw rod, which passes through the other end of the base. The outer end of the screw rod is connected to an adjusting nut, and a clamp spring is sleeved on the screw rod. The other end of the fixed card and the other end of the movable card are passed through a limit pin.

[0014] Furthermore, a connecting sleeve is provided on the base, and the connecting sleeve is connected to the universal joint.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model can be installed by supporting the movable end and the static end at both ends of the fixing rod on the door frame of the cabin door, and then connected with the door structure of the cabin door through the door clamp, and its installation is fast and simple.

[0017] 2. After the utility model is installed on the cabin door, the opening angle of the cabin door can be adjusted arbitrarily by adjusting the length of the telescopic support rod and the position of the connecting bushing on the fixed rod. Finally, the length of the telescopic support rod and the position of the connecting bushing can be locked, which is flexible to use.

[0018] 3. After the cabin door is locked by the utility model, there is no need to arrange personnel to assist in fixing the cabin door, thereby directly freeing up one staff member, which increases the efficiency by 50%. This also reduces the safety risk of personnel falling off the aircraft due to human factors such as long-term support fatigue and lack of concentration, and improves the quality of work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the universal cabin door supporting tool of the utility model;

[0020] Figure 2 It is a top view schematic diagram of the universal cabin door supporting tool of the utility model;

[0021] Figure 3It is a cross-sectional schematic diagram of the fixing rod of the universal cabin door supporting tool of the utility model;

[0022] Figure 4 It is a cross-sectional schematic diagram of the telescopic support rod of the universal cabin door supporting tool of the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the structure of the door clamp head of the universal cabin door supporting tool.

[0024] Meaning of reference numerals in the figure:

[0025] 1-fixed rod; 1.1-inner rod; 1.2-outer rod; 1.3-sliding hole; 1.4-locking hole; 2-static end; 3-moving end; 4-telescopic support rod; 4.1-outer cylinder; 4.2-inner cylinder; 5-universal joint; 6-door clamp; 6.1-fixed card; 6.2-moving card; 6.3-limiting latch; 6.4-screw; 6.5-adjusting nut; 6.6-clamp spring; 6.7-base; 7-connecting bushing; 7.1-first pipe clamp structure; 7.1.1-clamp; 7.1.2-notch; 8-connecting sleeve; 9-second pipe clamp structure; 10-locking latch; 11-safety latch; 12-groove; 13-end spring; 14-limiting pin; 15-end spring seat; 15.1-limiting groove; 16-hinged latch. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with embodiments.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Example:

[0031] like Figures 1 to 5 The figure shows a universal cabin door supporting tool of the present embodiment, which includes a fixing rod 1, a movable end 3, an end spring 13, a connecting bushing 7, a telescopic support rod 4 and a door clamp 6.

[0032] The fixing rod 1 of this embodiment includes an inner rod 1.1, an outer rod 1.2 and a locking pin 10. The inner rod 1.1 and the outer rod 1.2 are both in the shape of a round tube. The outer rod 1.2 is sleeved on the inner rod 1.1. The inner rod 1.1 and the outer rod 1.2 can slide relative to each other so that the fixing rod 1 can be extended and retracted. Locking holes 1.4 are provided at both ends of the inner rod 1.1 and the outer rod 1.2. When it is necessary to store, the inner rod 1.1 can be retracted into the outer rod 1.2 so that the locking holes 1.4 on the inner rod 1.1 and the outer rod 1.2 are aligned, and the locking pin 10 is passed through the locking hole 1.4 to lock the fixing rod 1, so that the fixing rod 1 is in the stored state. Figures 1 to 4 The fixing rods 1 are shown in the stowed state. When it is needed, the inner rod 1.1 is pulled out from the outer rod 1.2 to extend the fixing rod 1, and finally the locking holes 1.4 on the inner rod 1.1 and the outer rod 1.2 are aligned, and the locking pin 10 is passed through the locking hole 1.4 to lock, so that the fixing rod 1 is in the extended use state.

[0033] A static end 2 is fixedly provided at one end of the fixed rod 1, and a dynamic end 3 is inserted at the other end of the fixed rod 1. The middle of the end faces of the static end 2 and the dynamic end 3 are respectively provided with grooves 12 for being sleeved on the protrusions of the cabin door frame. An end spring 13 is installed on the inner side of the dynamic end 3, and its elastic force acts on the dynamic end 3 outward.

[0034] The specific installation structure of the moving end 3 is as follows: Figure 3 As shown, the movable end 3 is inserted into the end of the fixed rod 1, and the movable end 3 can slide relative to the fixed rod 1. A long strip-shaped sliding hole 1.3 is provided on the side wall of the fixed rod 1. The inner end of the movable end 3 crosses the limit pin 14, and the end of the limit pin 14 passes through the sliding hole 1.3, so that the movable end 3 will slide within the range limited by the sliding hole 1.3. An end spring seat 15 is provided in the end of the fixed rod 1 for installing the movable end 3, and a limit groove 15.1 is provided on the end spring seat 15 and the inner end of the movable end 3, respectively. The end spring 13 is compressed between the movable end 3 and the end spring seat 15, and the end of the end spring 13 is embedded in the limit groove 15.1, so that the installation of the end spring 13 is realized, and the elastic force of the end spring 13 acts on the movable end 3 and faces outward, so that the movable end 3 keeps the momentum of sliding out of the fixed rod 1.

[0035] The connecting bushing 7 is slidably sleeved on the outer rod 1.2 of the fixing rod 1. A first pipe clamp structure 7.1 is provided on the connecting bushing 7. The first pipe clamp structure 7.1 is used to lock the connecting bushing 7 on the outer rod 1.2 of the fixing rod 1.

[0036] The telescopic support rod 4 can be telescopically adjusted, and its specific structure is as follows: Figure 4 As shown, it comprises an outer tube 4.1 and an inner tube 4.2. The outer tube 4.1 is sleeved on the inner tube 4.2. A second tube clamp structure 9 is provided at the end of the outer tube 4.1. The second tube clamp structure 9 is used to lock the outer tube 4.1 on the inner tube 4.2.

[0037] The first pipe clamp structure 7.1 and the second pipe clamp structure 9 have the same structure, and both adopt conventional pipe clamp structures. The pipe clamp structure of this embodiment adopts a conventional clamp structure, which is roughly provided with an axial notch 7.1.2 at the end of the connecting bushing 7 and the end of the outer tube 4.1, and the clamp 7.1.1 is sleeved on the end where the notch 7.1.2 is located. When clamping is required, the clamp 7.1.1 is tightened to achieve clamping at the end where the notch 7.1.2 is located. The first pipe clamp structure 7.1 and the second pipe clamp structure 9 can achieve quick locking and unlocking, which is convenient and quick to use.

[0038] One end of the telescopic support rod 4 is connected to the connecting bushing 7 through a hinge pin 16 to achieve hinged connection between them. The other end of the telescopic support rod 4 is connected to the door clamp 6 through a universal joint 5, and the door clamp 6 is used to connect to the door structure of the cabin door. The universal joint 5 allows the door clamp 6 to rotate at will, thereby solving the requirements for different directions and angles during connection, and more conveniently connecting to the door structure of the cabin door.

[0039] like Figure 5 As shown, the door clamp 6 of this embodiment includes a base 6.7, a fixed clamp 6.1 and a movable clamp 6.2. The base 6.7 is provided with a connecting sleeve 8, which is connected to the universal joint 5. One end of the fixed clamp 6.1 is fixed to one end of the base 6.7, and one end of the movable clamp 6.2 is provided with a screw 6.4, which passes through the other end of the base 6.7. The outer end of the screw 6.4 is connected to an adjusting nut 6.5, and a clamp spring 6.6 is sleeved on the screw 6.4. The other end of the fixed clamp 6.1 and the other end of the movable clamp 6.2 are penetrated by a limit pin 6.3.

[0040] The door clamp head 6 of this embodiment is connected to a connecting rod on the door structure of the cabin door. When connecting, the fixed card 6.1 and the movable card 6.2 are first buckled on the connecting rod on the door structure, so that the connecting rod on the door structure is located between the fixed card 6.1 and the movable card 6.2, and then the limit latch 6.3 is inserted.

[0041] In this embodiment, a safety pin 11 is inserted into the movable end head 3. When in use, the safety pin 11 is inserted into the movable end head 3 to prevent the movable end head 3 from being pressed in accidentally.

[0042] The use process of the universal cabin door supporting tool of this embodiment is as follows:

[0043] The fixing rod 1 is stretched to the use state, the locking pin 10 is inserted to lock the fixing rod 1, and then the groove of the static end 2 is aligned with the protrusion on the door frame on one side of the cabin door, and then the moving end 3 is pressed in and aligned with the protrusion on the door frame on the other side of the cabin door. After the moving end 3 is released, the moving end 3 is ejected and supported on the door frame of the cabin door under the action of the end spring 13, so that the fixing rod 1 is supported on the door frame of the cabin door, and then the safety pin 11 on the moving end 3 is inserted. After the installation of the fixing rod 1 is completed, the first pipe clamp structure 7.1 and the second pipe clamp structure 9 are loosened, the door clamp 6 is connected to the door structure of the cabin door, and then the length of the telescopic support rod 4 and the position of the connecting bushing 7 on the fixing rod 1 are adjusted, and finally the cabin door is adjusted to the opening angle required for regular inspection and maintenance, and then the first pipe clamp structure 7.1 and the second pipe clamp structure 9 are locked to complete the support of the cabin door.

[0044] The above-mentioned embodiments of the utility model are not intended to limit the protection scope of the utility model, and the implementation methods of the utility model are not limited to these. All other various forms of modifications, replacements or changes made to the above-mentioned structure of the utility model based on the above-mentioned contents of the utility model, in accordance with the common technical knowledge and customary means in the field, without departing from the above-mentioned basic technical ideas of the utility model, should fall within the protection scope of the utility model.

Claims

1. A universal cabin door support tool, characterized in that: It includes a fixed rod, a movable end, an end spring, a connecting sleeve, a telescopic strut and a door clamp. A static end is provided at one end of the fixed rod, and the movable end is inserted at the other end of the fixed rod. The end spring is installed on the inner side of the movable end, and its elastic force acts outward on the movable end. The connecting sleeve is slidably sleeved on the fixed rod, and a first pipe clamp structure for locking it on the fixed rod is provided on the connecting sleeve. The telescopic strut can be telescopically adjusted. One end of the telescopic strut is hinged to the connecting sleeve, and the other end is connected to the door clamp through a universal joint. The door clamp is used to connect to the door structure of the cabin door.

2. The universal cabin door supporting tool according to claim 1, characterized in that: The middle parts of the end faces of the static end head and the dynamic end head are respectively provided with grooves for being sleeved on the protrusions of the cabin door frame.

3. The universal cabin door supporting tool according to claim 1, characterized in that: A long strip-shaped sliding hole is provided on the side wall of the fixing rod, the inner end of the movable end head crosses a limit pin, and the end of the limit pin passes through the sliding hole, so that the movable end head slides within the range limited by the sliding hole.

4. The universal cabin door supporting tool according to claim 3, characterized in that: The fixing rod is used to install the end of the movable end, and an end spring seat is provided therein. Limiting grooves are respectively provided on the end spring seat and the inner end of the movable end. The end spring is compressed between the movable end and the end spring seat, and the end of the end spring is embedded in the limiting groove.

5. The universal cabin door supporting tool according to claim 1, characterized in that: A safety pin is inserted on the movable end.

6. The universal cabin door supporting tool according to claim 1, characterized in that: The fixing rod comprises an inner rod, an outer rod and a locking pin. The outer rod is sleeved on the inner rod so that the fixing rod can be telescoped. The inner rod and the outer rod are respectively provided with locking holes. When the locking holes on the inner rod and the outer rod are aligned, the locking pin passes through the locking holes to lock the rod.

7. The universal cabin door supporting tool according to claim 1, characterized in that: The telescopic support rod comprises an outer tube and an inner tube. The outer tube is sleeved on the inner tube. The end of the outer tube is provided with a second tube clamp structure for locking the outer tube on the inner tube.

8. The universal cabin door supporting tool according to claim 1, characterized in that: The door clamp includes a base, a fixed card and a movable card, one end of the fixed card is fixed to one end of the base, one end of the movable card is provided with a screw rod, the screw rod passes through the other end of the base, the outer end of the screw rod is connected with an adjusting nut, a clamp spring is sleeved on the screw rod, and the other end of the fixed card and the other end of the movable card are passed through a limit pin.

9. The universal cabin door supporting tool according to claim 8, characterized in that: A connecting sleeve is provided on the base, and the connecting sleeve is connected to the universal joint.

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