CN216546790U - Umbrella-shaped protection device used in engine air inlet channel - Google Patents
Umbrella-shaped protection device used in engine air inlet channel Download PDFInfo
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- CN216546790U CN216546790U CN202123024550.1U CN202123024550U CN216546790U CN 216546790 U CN216546790 U CN 216546790U CN 202123024550 U CN202123024550 U CN 202123024550U CN 216546790 U CN216546790 U CN 216546790U
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Abstract
An umbrella-shaped protection device used in an engine air inlet passage comprises an umbrella stand structure, umbrella cloth arranged on the umbrella stand structure and an elastic compensation ring which is arranged on the umbrella stand structure and is positioned at the periphery of the umbrella cloth; the umbrella stand structure includes a sleeve telescopic link, a supporting seat, a combination slide, a plurality of horizontal bracing piece, a plurality of diagonal bracing piece and a release round pin, the combination slide slip cap is established on the sleeve telescopic link, and the combination slide embeds has a lock mechanism, the release round pin passes the supporting seat stretches into in the sleeve telescopic link and with the cooperation of lock mechanism makes the umbrella stand structure can open or receive to close. When the umbelliform protection device who uses in the engine intake duct of present case used, the staff need not from engine internal operation from strutting or packing up of umbrella stand structure's top control umbrella stand structure, more does benefit to the protection to engine internal structure, and the umbrella stand structure after strutting more laminates the inner wall of engine intake duct, can prevent effectively that the foreign matter from getting into the engine.
Description
Technical Field
The utility model relates to the technical field of aircraft ground maintenance, in particular to an umbrella-shaped protection device used in an engine air inlet channel.
Background
The engine is a necessary power component of the airplane, is one of main components of the airplane, and the performance of the engine is directly related to the use safety of the airplane. In the process of regular maintenance of the engine, the engine often needs to stay on the ground, and in order to avoid foreign objects entering the engine, the air inlet of the engine often needs to be protected. Present aircraft engine intake duct safety cover is mostly external prevent wind husky cloth cover, overlaps the cloth cover outside the engine intake duct during use to bind fixedly through hanging rope (or other parts) on the cloth cover, because the prevent wind husky cloth cover of existing use only is single model equipment, and there is different difference in the size of different model engine intake ducts, leads to prevent wind husky cloth cover for many types of model of ability adaptation.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an umbrella-shaped protection device for use in an engine intake to overcome the above-mentioned shortcomings and drawbacks of the prior art.
In order to achieve the purpose, the scheme is realized by the following technical scheme:
an umbrella-shaped protection device used in an engine air inlet passage comprises an umbrella stand structure, umbrella cloth arranged on the umbrella stand structure and an elastic compensation ring which is arranged on the umbrella stand structure and is positioned at the periphery of the umbrella cloth; the umbrella stand structure comprises a sleeve telescopic rod, a supporting seat, a combined sliding seat, a plurality of transverse supporting rods, a plurality of inclined supporting rods and a release pin, wherein the combined sliding seat is sleeved on the sleeve telescopic rod in a sliding mode, a buckling mechanism is arranged in the combined sliding seat, the release pin penetrates through the supporting seat and stretches into the sleeve telescopic rod, and the supporting seat is matched with the buckling mechanism, so that the umbrella stand structure can be opened or folded.
Further, the supporting seat is fixedly arranged at the top of the telescopic sleeve rod, the supporting seat is in a bowl shape, a plurality of first hinged seats are uniformly circumferentially arranged on the outer wall of the supporting seat and used for being hinged to the transverse supporting rod, a pin hole communicated with the telescopic sleeve rod is formed in the center of the bottom of the supporting seat, and the release pin is installed in the pin hole.
Further, the combination slide includes first slide and the second slide of connecting from top to bottom, through setting up first buckle on first slide lateral wall and the first bayonet socket cooperation of setting on the second slide lateral wall for first slide and second slide link into an integrated entity.
Furthermore, a plurality of second hinge seats are uniformly arranged on the outer wall of the first sliding seat in the circumferential direction and are used for hinging the inclined supporting rod; the buckling mechanism is arranged in the second sliding seat.
Furthermore, the transverse support rods are radially distributed by taking the sleeve telescopic rod as a center, and the inner end of each transverse support rod is hinged to the support seat through a first hinge seat; the middle part of each transverse supporting rod is provided with a third hinge seat for connecting the corresponding oblique line supporting rod.
Furthermore, a spring seat is arranged at the outer end of each transverse supporting rod, and a first return spring is arranged in the spring seat, so that the transverse supporting rods can radially extend and retract.
Furthermore, the oblique supporting rods are radially distributed by taking the sleeve telescopic rod as a center and correspond to the transverse supporting rods one by one; each inclined support rod inner end is hinged on the first sliding seat through a second hinged seat, and each inclined support rod outer end is hinged on the transverse support rod through a third hinged seat, so that the transverse support rod, the inclined support rod and the sleeve telescopic rod form a triangle-like support structure.
Furthermore, the buckling mechanism comprises an arc-surface sliding buckle, a transverse sliding rail and a spring pin; the cambered surface sliding buckle is embedded and installed in a release bayonet arranged on the side wall of the second sliding seat in a clearance fit mode, the inner side surface of the cambered surface sliding buckle is fixedly connected with the transverse sliding rail in a T shape, the transverse sliding rail is annular and can be used for the release pin to pass through, and the transverse sliding rail is slidably installed in a sliding groove on the inner wall of the telescopic rod of the sleeve; one end of the spring pin is elastically fixed on the inner wall of the telescopic rod of the sleeve through a spring, and the other end of the spring pin transversely penetrates through the transverse sliding rail and extends to the up-down moving track of the release pin; the spring pin is provided with a cambered pin head.
Furthermore, the telescopic sleeve rod is the center of the umbrella stand structure, and a conical base is arranged at the bottom end of the telescopic sleeve rod.
Furthermore, the release pin is arranged in a central pin hole of the supporting seat, inserted into the sleeve telescopic rod and matched with the buckling mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
1) when the umbrella-shaped protection device used in the engine air inlet channel is used, an operator only needs to stand outside the engine air inlet channel to open or pack up the umbrella stand structure, namely, the operator can control the opening or the packing up of the umbrella stand structure from the top of the umbrella stand structure, the operation is convenient, the operation in the engine is not needed, and the protection of the internal structure of the engine is facilitated.
2) The spring seats are arranged on the transverse supporting rods, so that the radial distance of the unfolded umbrella stand structure can be adjusted, the unfolded umbrella stand structure is more attached to the inner wall of an engine air inlet channel, the umbrella stand structure can be adapted to engines of different models, and the adaptability is good; and still be provided with the elasticity compensation ring in the periphery of umbrella cloth, further make umbrella stand structure more laminate the inner wall of engine intake duct, can effectively prevent that the foreign matter from getting into the engine, more effectual protection engine.
3) The observation window connected through the zipper is arranged on the umbrella cloth, so that whether the conical base of the telescopic rod of the sleeve abuts against the engine head in the air inlet channel or not is conveniently observed, whether the installation is in place or not is conveniently confirmed, and the practicability is good.
4) Each section of sleeve on the sleeve telescopic rod slides and is buckled through the ball, so that the whole length of the sleeve telescopic rod is telescopic, and the installation and the fixation are more convenient and fast.
In order that the utility model may be more clearly understood, preferred embodiments of the utility model will now be described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic structural view of the umbrella frame structure of the present invention;
FIG. 3 is a schematic view of the connection between the transverse support bar and the diagonal support bar in the present invention;
FIG. 4 is a schematic view of the spring seat of the present invention;
FIG. 5 is an assembled view of the supporting base and the combined sliding base of the present invention;
FIG. 6 is an assembled view of the composite slider of the present invention;
FIG. 7 is a cross-sectional structural schematic view of a snapping mechanism of the present invention;
FIG. 8 is an exploded view of the snapping mechanism of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 8, an umbrella-shaped protection device for use in an engine intake duct includes an umbrella frame structure, an umbrella cloth 90 mounted on the umbrella frame structure, and an elastic compensation ring 91 mounted on the umbrella frame structure and located at the periphery of the umbrella cloth 90, wherein an inner edge of the elastic compensation ring 91 is attached to an outer edge of the umbrella cloth 90. Because the umbelliform protection device who uses in the engine intake duct of present case uses in the engine intake, umbrella stand structure when opening in the intake duct, umbrella cloth 90 is regular polygon, utilizes and to be located umbrella stand structure outlying elastic compensation ring 91 as the compensation, makes the inner wall of umbrella stand structure more laminating engine intake duct, can more effectually prevent that foreign matter from entering into the engine from the intake duct.
Umbrella stand structure, it includes a sleeve telescopic link 11, a supporting seat 12, a combination slide 13, a plurality of horizontal bracing piece 14, a plurality of diagonal bracing piece 15 and a pine takes off round pin 16, combination slide 13 slip cover is established on sleeve telescopic link 11, and combination slide 13 embeds there is a lock mechanism, the pine takes off round pin 16 and passes supporting seat 12 and stretch into in the sleeve telescopic link 11 and with the cooperation of lock mechanism, make combination slide 13 can slide on the sleeve telescopic link 11, drive when combination slide 13 slides horizontal bracing piece 14 with diagonal bracing piece 15, and then make umbrella stand structure can open or receive and close.
The telescopic sleeve rod 11 is the center of the umbrella stand structure, a conical base 111 is arranged at the bottom end of the telescopic sleeve rod 11, and the conical base 111 abuts against the head of an engine at the center of an air inlet channel when the telescopic sleeve rod is used.
The supporting seat 12 is fixedly arranged at the top of the sleeve telescopic rod 11, the supporting seat 12 is in a bowl shape, a plurality of first hinging seats 121 are uniformly circumferentially arranged on the outer wall of the supporting seat 12 and used for hinging the transverse supporting rod 14, a pin hole communicated with the sleeve telescopic rod 11 is formed in the center of the bottom of the supporting seat 12, and the release pin 16 is arranged in the pin hole.
The combined slide 13 comprises a first slide 131 and a second slide 132 which are connected up and down, and the first slide 131 and the second slide 132 are connected into a whole through a first buckle 133 arranged on the side wall of the first slide 131 and a first bayonet fit arranged on the side wall of the second slide 132, so that the first slide 131 and the second slide 132 can slide on the telescopic sleeve rod 11 synchronously.
Further, a plurality of second hinge seats 134 are uniformly arranged on the outer wall of the first sliding seat 131 in the circumferential direction for hinging the inclined supporting rod 15; the second slider 132 has the latch mechanism built therein.
The transverse support rods 14 are radially distributed by taking the sleeve telescopic rod 11 as a center, and the inner end of each transverse support rod 14 is hinged to the support seat 12 through a first hinge seat 121; the middle part of each transverse supporting rod 14 is provided with a third hinge seat for connecting the corresponding oblique supporting rod.
Furthermore, the outer end of each transverse supporting rod 14 is provided with a spring seat 141, and a first return spring is arranged in the spring seat 141, so that the transverse supporting rods 14 can radially extend and retract, and further the radial distance of the opened umbrella stand structure can be adjusted, and therefore the umbrella-shaped protection device used in the engine air inlet channel can be more attached to the inner wall of the air inlet channel.
The inclined support rods 15 are radially distributed by taking the sleeve telescopic rod 11 as a center and correspond to the transverse support rods 14 one by one; the inner end of each inclined supporting rod 15 is hinged to the first sliding base 131 through a second hinge base 134, and the outer end of each inclined supporting rod 15 is hinged to the transverse supporting rod 14 through a third hinge base, so that the transverse supporting rod 14, the inclined supporting rod 15 and the telescopic sleeve rod 11 form a triangle-like supporting structure, and the umbrella cloth 90 in a regular polygon shape is supported.
And the release pin 16 is installed in a central pin hole of the support seat 12, inserted into the telescopic sleeve rod 11 and matched with the buckling mechanism.
The buckling mechanism comprises an arc surface slide buckle 21, a transverse slide rail 22 and a spring pin 23; the cambered surface sliding buckle 21 is embedded and installed in a release bayonet arranged on the side wall of the second sliding seat 132 in a clearance fit manner, the inner side surface of the cambered surface sliding buckle 21 is fixedly connected with the transverse sliding rail 22 in a T shape, the transverse sliding rail 22 is annular and can be penetrated by the release pin 16, and the transverse sliding rail 22 is slidably installed in a sliding groove 24 on the inner wall of the sleeve telescopic rod 11; one end of the spring pin 23 is elastically fixed on the inner wall of the telescopic sleeve rod 11 through a spring, the other end transversely penetrates through the transverse sliding rail 22 and extends to the up-down moving track of the release pin 16, and the spring pin 23 is provided with a pin head with an arc surface, so that when the release pin 16 is downward collided with the pin head of the spring pin 23, the spring pin 23 can transversely move.
The working principle of the buckling mechanism is as follows:
when the umbrella stand structure is to be folded, the release pin 16 is manually pressed from the upper end of the umbrella stand structure, the release pin 16 goes down and pushes against the pin head of the spring pin 23, so that the spring pin 23 drives the transverse slide rail 22 to transversely move in the slide groove 24, the transverse slide rail 22 drives the cambered slider 21 to transversely move, the cambered slider 21 is sunk into the telescopic sleeve rod 11, at the moment, the cambered slider 21 is separated from the release bayonet on the side wall of the second slide seat 132, so that the combined slide seat 13 can slide on the telescopic sleeve rod 11, and the umbrella stand structure is further driven to be folded;
when strutting the umbrella stand structure, follow earlier and manually mention umbrella stand structure upper end pine take off round pin 16, make pine take off round pin 16 go up and with the round pin head of spring catch 23 breaks away from, again the manual promotion combination slide 13 is in go up on sleeve telescopic link 11, go up when going up the pine take off the bayonet socket with when cambered surface thread slipping 21 aligns, spring catch 23 resets, drives cambered surface thread slipping 21 kick-backs to in the pine takes off the bayonet socket, thereby stops combination slide 13 continues slide on the sleeve telescopic link 11, at this moment, combination slide 13 jack-up umbrella stand structure makes the umbrella stand structure strut to can plug up the intake duct of engine.
Furthermore, in order to facilitate observation of the alignment condition of the device in the engine intake duct during use, the umbrella cloth 90 is provided with an observation window 92, and the observation window 92 is connected to the umbrella cloth 90 through a zipper surrounded by three parts.
Further, in order to enable the combined sliding seat 13 to automatically slide downwards when the buckling mechanism is released, a second return spring is further disposed on the telescopic sleeve rod 11 between the supporting seat 12 and the combined sliding seat 13.
Further, in order to avoid that the worker mistakenly touches the release pin 16 to cause the automatic retraction of the umbrella frame structure, a top cover (not shown) is further arranged at the top bowl opening position of the supporting seat 12, and the top cover is opened when the release pin 16 needs to be pressed or lifted.
Preferably, in this embodiment, the elastic compensation ring 91 is an elastic rubber bumper strip having a U-shaped structure, so that the elastic rubber bumper strip can be in overall pressing contact with the inner wall of the air inlet channel, thereby achieving a good sealing effect; the umbrella cloth 90 is a waterproof cloth which can effectively prevent rainwater from entering the engine from the air inlet channel; the umbrella cloth 90 is a waterproof cloth which can effectively prevent rainwater from entering the engine from the air inlet channel; each section of sleeve on the sleeve telescopic rod 11 is buckled through sliding of the balls, so that the overall length of the sleeve telescopic rod 11 is telescopic.
When the umbrella-shaped protection device used in the engine air inlet channel is used, firstly, an umbrella frame structure is unfolded by a worker, the sleeve telescopic rod 11 extends into the air inlet channel of an engine, and the observation window 92 on the umbrella cloth 90 is opened to observe whether the conical base 111 of the sleeve telescopic rod 11 props against the head of the engine in the air inlet channel. Because the spring seat 141 is arranged on the transverse supporting rod 14, the radial distance of the elastic compensation ring 91 on the outer edge of the umbrella cloth 90 is adjustable, and the outer periphery of the umbrella stand structure is more attached to the inner wall of an engine air inlet channel by adjusting the elastic compensation ring 91, and the observation window 92 is closed after the installation. When the device is to be detached from the air inlet channel of the engine, the umbrella frame structure can be retracted only by opening the top cover from the air inlet of the engine and pressing the release pin 16.
Compared with the prior art, the utility model has the beneficial effects that: when the umbrella-shaped protection device used in the engine air inlet channel is used, an operator only needs to stand outside the engine air inlet channel to open or pack up the umbrella stand structure, namely, the operator can control the opening or the packing up of the umbrella stand structure from the top of the umbrella stand structure, the operation is convenient, the operation in the engine is not needed, and the protection of the internal structure of the engine is facilitated. The spring seat 141 is arranged on the transverse supporting rod 14, so that the radial distance of the umbrella stand structure after being unfolded can be adjusted, the unfolded umbrella stand structure is more attached to the inner wall of an engine air inlet channel, the umbrella stand structure can be adapted to engines of different models, and the adaptability is good; and still be provided with elasticity compensation ring 91 in umbrella cloth 90's periphery, further make umbrella stand structure more laminate the inner wall of engine intake duct, can effectively prevent that the foreign matter from getting into the engine, more effectual protection engine.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. 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.
Claims (10)
1. The utility model provides an umbelliform protection device of using in engine intake duct which characterized in that: comprises an umbrella stand structure, umbrella cloth arranged on the umbrella stand structure and an elastic compensation ring which is arranged on the umbrella stand structure and is positioned at the periphery of the umbrella cloth; the umbrella stand structure includes a sleeve telescopic link, a supporting seat, a combination slide, a plurality of horizontal bracing piece, a plurality of diagonal bracing piece and a pine takes off the round pin, the slip cover of combination slide is established on the sleeve telescopic link, and the combination slide embeds there is a lock mechanism, the pine takes off the round pin and passes the supporting seat stretches into in the sleeve telescopic link, and with the cooperation of lock mechanism makes the umbrella stand structure can open or receive to close.
2. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 1, wherein: the supporting seat is fixedly arranged at the top of the sleeve telescopic rod, the supporting seat is in a bowl shape, a plurality of first hinged seats are uniformly circumferentially arranged on the outer wall of the supporting seat and used for being hinged to the transverse supporting rod, a pin hole communicated with the sleeve telescopic rod is formed in the center of the bottom of the supporting seat, and the release pin is installed in the pin hole.
3. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 2, wherein: the combination slide includes first slide and the second slide of connecting from top to bottom, through setting up first buckle on first slide lateral wall and the first bayonet socket cooperation of setting on the second slide lateral wall for first slide and second slide link into an integrated entity.
4. An umbrella-shaped protection device for use in an engine intake duct according to claim 3, wherein: a plurality of second hinge seats are uniformly arranged on the outer wall of the first sliding seat in the circumferential direction and are used for hinging the inclined supporting rod; the buckling mechanism is arranged in the second sliding seat.
5. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 4, wherein: the transverse support rods are radially distributed by taking the sleeve telescopic rod as a center, and the inner end of each transverse support rod is hinged to the support seat through a first hinge seat; the middle part of each transverse supporting rod is provided with a third hinge seat for connecting the corresponding oblique line supporting rod.
6. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 5, wherein: the outer end of each transverse supporting rod is provided with a spring seat, and a first return spring is arranged in the spring seat, so that the transverse supporting rods can radially extend and retract.
7. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 6, wherein: the oblique supporting rods are radially distributed by taking the sleeve telescopic rod as a center and correspond to the transverse supporting rods one by one; each inclined support rod inner end is hinged on the first sliding seat through a second hinged seat, and each inclined support rod outer end is hinged on the transverse support rod through a third hinged seat, so that the transverse support rod, the inclined support rod and the sleeve telescopic rod form a triangle-like support structure.
8. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 7, wherein: the buckling mechanism comprises a cambered surface sliding buckle, a transverse sliding rail and a spring pin; the cambered surface sliding buckle is embedded and installed in a release bayonet arranged on the side wall of the second sliding seat in a clearance fit mode, the inner side surface of the cambered surface sliding buckle is fixedly connected with the transverse sliding rail in a T shape, the transverse sliding rail is annular and can be used for the release pin to pass through, and the transverse sliding rail is slidably installed in a sliding groove on the inner wall of the telescopic rod of the sleeve; one end of the spring pin is elastically fixed on the inner wall of the telescopic rod of the sleeve through a spring, and the other end of the spring pin transversely penetrates through the transverse sliding rail and extends to the up-down moving track of the release pin; the spring pin is provided with a cambered pin head.
9. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 8, wherein: the telescopic sleeve rod is the center of the umbrella stand structure, and a conical base is arranged at the bottom end of the telescopic sleeve rod.
10. The umbrella-shaped protection device for the air inlet of the engine as claimed in claim 9, wherein: the releasing pin is arranged in a central pin hole of the supporting seat, inserted into the sleeve telescopic rod and matched with the buckling mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123024550.1U CN216546790U (en) | 2021-12-03 | 2021-12-03 | Umbrella-shaped protection device used in engine air inlet channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123024550.1U CN216546790U (en) | 2021-12-03 | 2021-12-03 | Umbrella-shaped protection device used in engine air inlet channel |
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| CN216546790U true CN216546790U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123024550.1U Active CN216546790U (en) | 2021-12-03 | 2021-12-03 | Umbrella-shaped protection device used in engine air inlet channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394253A (en) * | 2021-12-03 | 2022-04-26 | 大新华飞机维修服务有限公司 | Umbrella-shaped protection device used in engine air inlet channel |
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2021
- 2021-12-03 CN CN202123024550.1U patent/CN216546790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394253A (en) * | 2021-12-03 | 2022-04-26 | 大新华飞机维修服务有限公司 | Umbrella-shaped protection device used in engine air inlet channel |
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