阅读说明：本技术 伸缩式脚蹬和航空器 (Telescopic pedal and aircraft ) 是由 林相平 李成行 张玮 刘立华 程晓蕙 于 2019-11-19 设计创作，主要内容包括：本申请提供了一种伸缩式脚蹬和航空器,涉及航空器技术领域。该伸缩式脚蹬包括脚蹬部、安装座和拉手,安装座内设有容置空腔,脚蹬部可活动地设置于安装座,以使脚蹬部伸出或缩回至容置空腔；拉手选择性地与脚蹬部连接,以固定脚蹬部的位置。该脚蹬部采用伸缩式结构,在不使用状态下可处于收缩状态,节约空间；在使用时,只需将脚蹬部伸出即可。且伸出脚蹬部和收缩脚蹬部的操作不受空间和角度限制,既适用于开阔空间,也适用于狭窄空间,适用范围广。(The application provides kinds of telescopic pedals and an aircraft, and relates to the technical field of aircraft, the telescopic pedals comprise pedal parts, a mounting seat and a handle, wherein a containing cavity is arranged in the mounting seat, the pedal parts are movably arranged on the mounting seat so as to enable the pedal parts to extend out or retract into the containing cavity, the handle is selectively connected with the pedal parts so as to fix the positions of the pedal parts, the pedal parts adopt telescopic structures and can be in a retracted state under a non-use state, space is saved, only the pedal parts need to extend out when the retractable pedals are used, the operation of extending out the pedal parts and retracting the pedal parts is not limited by space and angle, and the retractable pedals are suitable for both open space and narrow space, and the application range is .)

The utility model provides an kind of telescopic pedal, its characterized in that includes pedal portion, mount pad and handle, be equipped with the holding cavity in the mount pad, pedal portion movably sets up in the mount pad for pedal portion stretches out or retracts the holding cavity, the handle is connected with pedal portion selectively, in order to fix the position of pedal portion.

2. The retractable footrest of claim 1, wherein the mounting base includes a mounting bracket, the receiving cavity includes an th cavity, the th cavity is formed in the mounting bracket, the th elastic member is formed in the th cavity, a th end of the th elastic member is connected to the mounting bracket, and another th end is connected to the footrest portion.

3. The retractable footrest of claim 2, wherein said includes a post disposed therein, said post having an end connected to said mounting bracket and an end adapted to abut said footrest portion when said footrest portion is retracted into said th cavity.

4. The retractable footrest of claim 2, wherein said footrest portion has a mounting hole at an end near said anchor bracket, and wherein said spring member is mounted in said mounting hole at an end away from said anchor bracket.

5. The retractable footrest of claim 2, wherein the mounting base further comprises a footrest base coupled to the mounting base, the receiving cavity further comprises a second cavity defined in the footrest base, the second cavity being in communication with the th cavity, and the footrest portion is movable within the th cavity and the second cavity.

6. The telescoping foot peg as recited in claim 1, wherein the peg portion includes rollers, the rollers being in rolling engagement with the mounting block.

7. The retractable pedal of wherein the handle includes a pin and a connector base, the connector base is connected to the mounting base, the connector base has a mounting hole, the pin is movably disposed in the mounting hole, the pedal portion has a second mounting hole, and the pin is insertable into the second mounting hole to fix the position of the pedal portion.

8. The retractable footrest according to claim 7, wherein a second resilient member is disposed in the through hole, the latch has a step portion protruding radially outward, an end of the second resilient member abuts against an inner wall of the through hole, and an other end of the second resilient member abuts against the step portion.

9. The telescoping foot peg as recited in claim 7, wherein a handle is fixedly attached to the end of the latch remote from the peg portion.

An aircraft of the type 10, , comprising a body and a retractable peg as claimed in any of claims of claims 1 to 9, the mounting of said retractable peg being attached to said body.

Technical Field

The invention relates to the technical field of aircraft, in particular to telescopic pedals and an aircraft.

Background

The pedals are arranged on the outer side of the aircraft and used as a boarding channel for the maintenance crew. The technical scheme of the existing pedal is a turnover pedal generally, namely the pedal is rotationally connected with the airframe of an aerocraft, and the pedal is opened through a press switch and turned outwards to be used as a boarding channel. When the pedal is not used, the pedal is turned over to be attached to the machine body so as to close the pedal.

When the pedal is opened and closed, the pedal can only be used in a wide space due to the fact that the pedal needs to be turned over relative to the body, and cannot be normally used due to the limitation of angles and spaces in a narrow space.

Disclosure of Invention

The invention aims to provide telescopic pedals and an aircraft, wherein the switching between the opening state and the closing state of the pedals is not limited by space and angle, and the pedals are suitable for both open space and narrow space and are applicable to .

Embodiments of the invention may be implemented as follows:

, the embodiment provides kinds of retractable pedals, which include a pedal portion, a mounting seat and a handle, wherein the mounting seat has a receiving cavity therein, the pedal portion is movably disposed on the mounting seat to extend or retract the pedal portion into the receiving cavity, and the handle is selectively connected to the pedal portion to fix the position of the pedal portion.

In an alternative embodiment, the mounting seat includes a fixed support, the accommodating cavity includes an th cavity, the th cavity is provided in the fixed support, the th elastic piece is provided in the th cavity, a end of the th elastic piece is connected with the fixed support, and another end is connected with the foot pedal portion.

In an alternative embodiment, a position-limiting post is arranged in the th cavity, the end of the position-limiting post is connected to the fixed support, and the other end of the position-limiting post is used for abutting against the pedal part when the pedal part is retracted into the th cavity.

In an alternative embodiment, the pedal portion is provided with a mounting hole near the end of the fixing support, and the resilient member is provided in the mounting hole far from the end of the fixing support.

In an optional embodiment, the mounting seat further comprises a pedal seat connected with the fixed support, the accommodating cavity further comprises a second cavity arranged in the pedal seat, the second cavity is communicated with the th cavity, and the pedal part can move in the th cavity and the second cavity.

In an optional embodiment, the pedal portion is provided with a roller, and the roller is in rolling connection with the mounting seat.

In an optional embodiment, the handle comprises a plug pin and a connecting seat, the connecting seat is connected with the mounting seat, the connecting seat is provided with a mounting through hole, and the plug pin is movably arranged in the mounting through hole; the pedal part is provided with a second mounting hole, and the bolt can be inserted into the second mounting hole to fix the position of the pedal part.

In an alternative embodiment, a second elastic member is disposed in the mounting through hole, the latch is provided with a step portion protruding outward in the radial direction, an end of the second elastic member abuts against an inner wall of the mounting through hole, and another end of the second elastic member abuts against the step portion.

In an alternative embodiment, a handle is fixedly attached to the end of the latch at remote from the foot rest portion.

In a second aspect, this embodiment provides aircraft, including a body and a retractable footrest as described in any of the previous embodiments, the mounting base of the retractable footrest being attached to the body.

The invention provides a telescopic foot pedal and an aircraft, which have the beneficial effects that:

the invention provides a telescopic pedal, wherein a containing cavity is arranged in a mounting seat, a pedal part is movably arranged on the mounting seat so as to extend out or retract into the containing cavity, a handle is used for being selectively connected with the pedal part so as to limit the position of the pedal part, the pedal part is retracted into the containing cavity, and the handle is connected with the pedal part so as to enable the pedal part to be in a closed state.

The aircraft provided by the invention adopts the telescopic pedals, the opening and closing of the telescopic pedals have low requirements on the operation space, the use is flexible and convenient, and the aircraft is convenient for the crew to board.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an embodiment of a telescoping foot peg shown in an extended configuration at views;

FIG. 2 is a schematic drawing showing cross-sectional configurations of the telescoping foot peg of FIG. 1;

FIG. 3 is a schematic view of types of structures of a mounting seat of a retractable pedal according to an embodiment of the present invention;

FIG. 4 is a structural diagram illustrating an example of a retractable footrest from perspectives in a retracted state in accordance with an embodiment of the present invention;

FIG. 5 is a schematic drawing showing cross-sectional configurations of the telescoping foot peg of FIG. 4;

FIG. 6 is a schematic view of configurations of a foot support portion of a telescoping foot support according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of another perspective of a retractable footrest in accordance with an embodiment of the present invention;

fig. 8 is a schematic view of kinds of structures of the handle of the retractable pedal according to the embodiment of the present invention.

The drawing shows 100-telescopic pedal, 110-pedal part, 111- th subsection, 112- th mounting hole, 113-second subsection, 115-second mounting hole, 117-anti-skid thread, 120-mounting seat, 130-fixed support, 131-shell, 132-cover plate, 133- th cavity, 134-spacing column, 135- th elastic piece, 140-pedal seat, 141-second cavity, 143-roller, 150-handle, 151-bolt, 152-connecting seat, 153-mounting through hole, 154-second elastic piece, 155-step part and 156-handle.

Detailed Description

To further clarify the objects, aspects and advantages of embodiments of the present invention, reference will now be made in detail to the present embodiments of the invention as illustrated in the accompanying drawings, which are incorporated in this specification, and it is to be understood that the embodiments illustrated and described are some, but not all, of the embodiments of the invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once a item is defined in figures, it need not be further defined and explained by in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Moreover, the appearances of the terms "," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 and 2, the present embodiment provides retractable pedals 100, including a pedal portion 110, a mounting base 120, and a handle 150, wherein a receiving cavity is formed in the mounting base 120, the pedal portion 110 is movably disposed on the mounting base 120, so that the pedal portion 110 extends out of or retracts into the receiving cavity, the handle 150 is selectively connected to the pedal portion 110, so as to fix a position of the pedal portion 110, the pedal portion 110 retracts into the receiving cavity to be in a closed state, and the pedal portion 110 extends out of the receiving cavity to be in an open state.

Referring to fig. 3, the mounting base 120 includes a fixed support 130 and a pedal base 140 connected to each other, the receiving cavity includes a th cavity 133 and a second cavity 141 communicated with each other, a th cavity 133 is provided in the fixed support 130, a th elastic member 135 is provided in the th cavity 133, an end of the th elastic member 135 is connected to the fixed support 130, and an end is connected to the pedal portion 110.

Referring to fig. 4 and 5, when the foot supporting portion 110 is retracted into the receiving cavity, i.e. the foot supporting portion 110 is in the closed state, the th elastic element 135 is compressed, and in this state, the pull tab 150 is connected to the foot supporting portion 110 to fix the position of the foot supporting portion 110. when the pull tab 150 is separated from the foot supporting portion 110, the foot supporting portion 110 is extended out of the receiving cavity by the elastic force of the th elastic element 135, i.e. the foot supporting portion 110 is in the open state, it is easy to understand that in other embodiments, the mounting position of the th elastic element 135 may be adjusted, for example, when the foot supporting portion 110 is in the open state, the th elastic element 135 is in the compressed state, and when the foot supporting portion 110 is in the closed state, the th elastic element 135 is in the extended state, which is.

In this embodiment, the fixing support 130 includes a housing 131 and a cover 132, the housing 131 and the cover 132 are connected to form a th cavity 133, the housing 131 and the cover 132 can be connected by a screw, a bolt, or a snap, and the housing 131 and the cover 132 in this embodiment are connected by a screw.

The pedal seat 140 has a second cavity 141, the second cavity 141 is connected to the cavity 133. the pedal portion 110 is disposed in the second cavity 141 and can move in the cavity 133 and the second cavity 141. in this embodiment, the pedal portion 110 includes a th section 111 and a second section 113 connected to each other, when the pedal portion 110 is in a closed state during actual use, the th section 111 is in the th cavity 133, the second section 113 is in the second cavity 141. when the pedal portion 110 is in an open state, the th section 111 moves from the th cavity 133 to the second cavity 141, the second section 113 moves out of the second cavity 141 in a direction away from the th cavity 133, and the second section 113 outside the second cavity 141 serves as a boarding passage for the flight maintenance crew.

Optionally, a spacing post 134 is disposed in the cavity 133 of , an end of the spacing post 134 is connected to an inner side wall of the housing 131, and an end 0 is used to connect with the foot peg 110. step , the elastic member 135 of is sleeved on the spacing post 134. when the foot peg 110 is in a retracted state, i.e., the th segment 111 moves from the second cavity 141 to the th cavity 133, the th segment 111 abuts against the spacing post 134 to allow the foot peg 110 to reach a retracted limit position, the spacing post 134 is disposed to limit an inward-retracted limit position of the foot peg 110, and prevent the foot peg 110 from over-compressing the th elastic member 135 to damage the th elastic member 135. optionally, in this embodiment, when the foot peg 110 is retracted in the limit position, the second segment 113 is not fully retracted into the second cavity 141, i.e., an end of the second segment 113 away from the th segment 111 is outside the second cavity 141, so that the second segment 113 can be smoothly moved out of the second cavity 141 when the foot peg 110 is opened.

The position-limiting post 134 is disposed on the inner sidewall of the housing 131, optionally, the position-limiting post 134 is disposed on the inner sidewall of the housing 131 far away from of the pedal seat 140, the end of the position-limiting post 134 is connected with the inner sidewall of the housing 131, including but not limited to bonding, welding, screwing, bolting, screwing, or clipping, and the other end faces the second cavity 141. when the pedal portion 110 retracts, the position-limiting post 134 first abuts against the end far away from the inner sidewall of the housing 131, and of course, the installation position and orientation of the position-limiting post 134 can also be adjusted adaptively, and is not limited specifically herein.

Referring to fig. 6, in step , a 0 mounting hole 112 is formed at a end of the pedal portion 110 close to the fixed support 130, that is, a 1 st segment 111 is formed with a 2 mounting hole 112, a 3 st mounting hole 112 is coaxially disposed with the limiting post 134, and a end of the resilient member 135 away from the fixed support 130 is disposed in the 6 th mounting hole 112. by forming the th mounting hole 112 in the th segment 111, space can be saved, the overall structure is more compact, it is easy to understand that the aperture of the th mounting hole 112 is larger than the outer diameter of the limiting post 134, when the th segment 111 of the pedal portion 110 retracts into the th cavity 133, the limiting post 134 can extend into the 48 th mounting hole 112, when the end of the limiting post 134 far from the housing 131 contacts with the bottom wall of the th mounting hole 112, the limiting post 134 plays a role in limiting the pedal portion 110, it is easy to understand that when the pedal portion 110 is in an open state, the pedal portion 110 is in which the foot holding portion 140 is not capable of sliding out, and thus the foot holding portion 140 can not be separated from the foot holding portion 110, such as the foot holding aperture of the foot holding portion 110.

Referring to fig. 7, the pedal portion 110 is provided with rollers 143, and the rollers 143 are in rolling engagement with the mounting seat 120, so that when the pedal portion 110 moves relative to the mounting seat 120, the frictional resistance can be reduced, so that the pedal portion 110 can move in the accommodating cavity. Optionally, the number of the rollers 143 can be two or four, and the rollers 143 are made of nylon material, so that the roller is durable and wear-resistant and has a long service life. The pedal base 140 is provided with a sliding slot, and the roller 143 is located in the sliding slot and fixed on the pedal base 140 through a flat head shaft. The roller 143 rolls relative to the pedal base 140 to drive the pedal portion 110 to extend out or retract into the accommodating cavity, so as to reduce the friction resistance when the pedal portion 110 moves and reduce the wear. Meanwhile, the roller 143 rolls in the sliding groove, and guides the movement of the pedal portion 110. In other alternative embodiments, the roller 143 may also be engaged with the fixed support 130 in a rolling manner, or may roll relative to the fixed support 130 and the pedal seat 140 at the same time, which is not limited herein.

, the tread surface of the foot rest 110 is provided with anti-skid grains 117, which is beneficial to increase the friction between the sole and the foot rest 110 and has anti-skid effect when in use, in this embodiment, the anti-skid grains 117 are straight grain structure, of course, the invention is not limited to this, the anti-skid grains 117 can also be twill structure, wave grain structure or grid structure, or layers of anti-skid pads are provided on the tread surface of the foot rest 110, which is not limited in detail here.

Referring to fig. 8 in combination with fig. 7, optionally, the handle 150 includes a plug 151 and a connecting seat 152, the connecting seat 152 is connected to the mounting seat 120, in this embodiment, the connecting seat 152 is connected to the pedal seat 140, of course, in other embodiments, the connecting seat 152 may also be connected to the fixing support 130, the connecting seat 152 is provided with a mounting through hole 153, the plug 151 is movably disposed in the mounting through hole 153, the pedal portion 110 is provided with a second mounting hole 115, the plug 151 can be inserted into the second mounting hole 115 to fix the position of the pedal portion 110, step is provided with a second elastic member 154 in the mounting through hole 153, the second elastic member 154 is a spring, and may also be a spring sheet, an elastic rope, etc., which are not specifically limited, the second elastic member 154 is sleeved on the outer surface of the plug 151, the plug 151 is provided with a step 155 protruding outward in the radial direction, the end of the second elastic member 154 is abutted to the inner wall of the mounting through hole 153, the end of the second elastic member 154 is abutted to the stopping surface of the step 155, the second elastic member 154 is used to keep the plug 151 in the second mounting hole 115, i.e., the plug 151 is fixed to the handle 151 by a connection process of the plug 151, and the plug 151 is further, the plug connection handle 151 is convenient to be convenient for a user to be used for the user to be conveniently connected to a plug connection handle 151, or a plug connection handle 151, and a plug connection handle 151, and a connection handle 151 is.

It should be noted that, in other alternative embodiments, the handle 150 may have other alternative structures, for example, the handle 150 may have pins, and the pins are inserted into the second mounting holes 115 to prevent the pedal portion 110 from moving further along the extending and contracting direction, or the pedal base 140 is provided with a third mounting hole, and the pins are inserted into the third mounting hole and the second mounting hole 115 in sequence to connect the pedal portion 110 and the pedal base 140 and limit the movement of the pedal portion 110.

It is easy to understand that the number of the second mounting holes 115 may be or more, and when the handle 150 is switched between the second mounting holes 115, the length of the foot support portion 110 extending out of the accommodating cavity may be adjusted.

The operating principle of the kinds of retractable pedals 100 provided by the embodiment is as follows:

in the retractable pedal 100 of the present embodiment, the pedal portion 110 is movably disposed on the mounting seat 120, so that the pedal portion 110 extends out of or retracts into the receiving cavity of the mounting seat 120. when the pedal portion 110 retracts into the receiving cavity under the action of an external force, the elastic member 135 of the first is compressed, the handle 150 is inserted into the second mounting hole 115 of the pedal portion 110, so as to limit the displacement of the pedal portion 110, and at this time, the pedal portion 110 is in the closed state, when the handle 150 is pulled out, i.e., the handle 150 is separated from the pedal portion 110, the pedal portion 110 is ejected from the receiving cavity under the action of the elastic member 135 of the second , and when the roller 143 is ejected, the roller rolls relative to the pedal seat 140 or the fixed support 130, so as to reduce the friction force, and at this time, the pedal portion 110 is in the open state, and the pedal portion 110 extending out of the receiving cavity is used as a pedal for a maintenance crew.

The present embodiment provides aircrafts including a body and the retractable foot peg 100 of the previous embodiment, the retractable foot peg 100 is mounted on the body, step , the mounting seat 120 of the retractable foot peg 100 is connected with the body, for example, the fixed support 130 is connected with the body, or the foot peg 140 is connected with the body, or the fixed support 130 is connected with the foot peg 140 at the same time, the foot peg 110 of the retractable foot peg 100 can be used as a foot peg when extended for boarding by a flight attendant, and after the use or use is finished, the foot peg 110 can be retracted into the receiving cavity of the mounting seat 120 to reduce the occupied space.

In summary, the embodiment of the present invention provides kinds of retractable foot pegs 100 and an aircraft, which have the following advantages:

according to the telescopic pedal 100 provided by the invention, the pedal part 110 adopts a telescopic structure, and can be used as a pedal for a crew to board when extending out, and when not used or after the use is finished, the pedal part 110 can be retracted into the accommodating cavity of the mounting seat 120, so that the occupied space is reduced.

The aircraft provided by the invention adopts the telescopic foot pedal 100, the mounting seat 120 is connected with the body of the aircraft, the aircraft is convenient for the crew to board for use, the operation is convenient, the occupied space is small, and the application value of pushing is great.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.