Engine air inlet adjusting device

Abstract

The utility model provides an engine air inlet adjusting device, and relates to the technical field of unmanned aerial vehicle engines, the engine air inlet adjusting device comprises a supporting mechanism, an iris adjusting mechanism and an air inlet, the air inlet is arranged on the supporting mechanism; the iris adjusting mechanism comprises an adjusting assembly and an iris assembly, the adjusting assembly is rotatably arranged on the supporting mechanism, the iris assembly is in transmission connection with the adjusting assembly, and the shielding area of the iris assembly on the air inlet can be adjusted through the adjusting assembly; the iris adjusting mechanism is used for adjusting the shielding area of the air inlet, the air inflow of the engine is adjusted, the engine heating time can be greatly shortened in the low-temperature environment, the stability of the temperature of the engine can be effectively guaranteed in the large-temperature-difference environment, meanwhile, the stepless adjusting mode is adopted, and the engine heating efficiency is improved. And the air inflow adjusting effect is remarkable.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned aerial vehicle engine technical field, concretely relates to an engine air inlet adjusting device. BACKGROUND

[0002] At present, engine heat dissipation usually adopts water cooling heat dissipation or air cooling heat dissipation, and the water cooling heat dissipation device is heavy, and the structure is complex, and there is the risk of liquid leakage, cannot be applicable to small and medium-sized unmanned aerial vehicle, and the air cooling heat dissipation device is usually relatively simple, so it is widely applied in the field of unmanned aerial vehicle engine heat dissipation.

[0003] The existing unmanned aerial vehicle air cooling heat dissipation device usually adopts the scheme of driving the propeller by the engine or adding the electric fan, and the air cooling heat dissipation is usually uncontrollable, and when the temperature is low, the engine heating time is usually too long, and when the temperature difference is large, the engine temperature is unstable. SUMMARY

[0004] The utility model discloses a kind of engine air inlet adjusting devices to solve the above technical problems existing in prior art;The preferred technical solutions in many technical solutions provided by the utility model can produce many technical effects;See the elaboration below.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of engine air inlet adjusting device, including support mechanism, iris adjusting mechanism and air inlet, wherein: the air inlet is set on the support mechanism;The iris adjusting mechanism includes adjusting assembly and iris assembly, the adjusting assembly can be rotatably set on the support mechanism, the iris assembly is drivingly connected with the adjusting assembly, and the iris assembly can be adjusted by the adjusting assembly to the shielding area of the air inlet.

[0007] Preferably, the adjusting assembly includes adjusting disc, the support mechanism is provided with annular mounting groove, and the adjusting disc can be rotatably set in the annular mounting groove;The iris assembly is drivingly connected with the adjusting disc.

[0008] Preferably, the iris assembly includes a plurality of circumferentially arranged arc-shaped iris pieces, a plurality of guide grooves are distributed circumferentially on the adjusting disc, and the number of the guide grooves is same with the number of the arc-shaped iris pieces;One end of the arc-shaped iris piece is slidably arranged in the guide groove, and the other end of the arc-shaped iris piece is rotatably connected with the support mechanism;Rotating the adjusting disc can drive the arc-shaped iris piece to rotate towards the direction close to or away from the center line of the air inlet.

[0009] Preferably, the adjusting assembly comprises a connecting piece and an adjusting piece, and an arc-shaped adjusting groove is arranged on the outer peripheral wall of the supporting mechanism, wherein: one end of the connecting piece is fixedly connected with the adjusting disc, and the other end of the connecting piece is connected with the adjusting piece through the arc-shaped adjusting groove; the adjusting piece is actuated to drive the connecting piece to slide along the arc-shaped adjusting groove, so as to drive the adjusting disc to rotate.

[0010] Preferably, the arc-shaped adjusting groove is provided with a positioning groove at each end, and the adjusting piece can be positioned in the positioning groove.

[0011] Preferably, the diameter of the positioning groove is greater than the width of the arc-shaped adjusting groove; the adjusting piece is slidably sleeved on the connecting piece, and the end of the adjusting piece close to the outer peripheral wall of the supporting mechanism is provided with a positioning block matched with the positioning groove.

[0012] Preferably, the adjusting assembly further comprises an elastic piece, and the two ends of the elastic piece are connected with the connecting piece and the adjusting piece respectively; when the adjusting piece moves away from the outer peripheral wall of the supporting mechanism along the connecting piece, the elastic piece is deformed.

[0013] Preferably, the supporting mechanism comprises an annular supporting frame, and the annular supporting frame, the iris adjusting mechanism and the air inlet are coaxially arranged.

[0014] Preferably, the annular supporting frame comprises a first annular supporting frame and a second annular supporting frame, and the first annular supporting frame and the second annular supporting frame are connected; the adjusting assembly is located between the first annular supporting frame and the second annular supporting frame.

[0015] Preferably, the air inlet is connected to the second annular supporting frame.

[0016] The engine air inlet adjusting device provided by the utility model has at least the following beneficial effects:

[0017] The engine air inlet adjusting device comprises a supporting mechanism, an iris adjusting mechanism and an air inlet, the supporting mechanism is used for mounting and supporting the iris adjusting mechanism and the air inlet, the iris adjusting mechanism adjusts the shielding area of the air inlet, thereby realizing the function of stabilizing the temperature of the engine.

[0018] The air inlet is arranged on the supporting mechanism, the iris adjusting mechanism comprises an adjusting assembly and an iris assembly, the adjusting assembly is rotatably arranged on the supporting mechanism, the iris assembly is in transmission connection with the adjusting assembly, in the actual use process, the user can adjust the shielding area of the air inlet through the adjusting assembly according to the actual demand, in this way, the adjustment of the engine air intake is realized, the iris assembly can realize stepless adjustment, and the adjusting effect is remarkable.

[0019] The utility model discloses a iris adjusting mechanism is used to adjust the way of the air inlet sheltered area, realizes the regulation of engine air intake, not only can reduce the time of the low temperature environment, and in the environment of the big temperature difference, can effectively guarantee the stability of engine temperature, adopt stepless regulation's mode simultaneously, and the air intake regulation effect is remarkable. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for those of ordinary skill in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0021] Figure 1 It is the structural schematic diagram of the utility model from one view angle;

[0022] Figure 2 It is the structural schematic diagram of the utility model from another view angle;

[0023] Figure 3 It is the structural exploded schematic diagram of the utility model;

[0024] Figure 4 It is the structural schematic diagram of the iris assembly of the utility model;

[0025] Figure 5 It is the enlarged view of A of the utility model;

[0026] Figure 6 It is the structural schematic diagram of the adjusting assembly of the utility model;

[0027] Figure 7 It is the enlarged view of B of the utility model;

[0028] Figure 8 It is the structural schematic diagram of the adjusting piece of the utility model.

[0029] Reference Signs

[0030] 1, support mechanism;11, first annular support frame;111, arc adjusting groove;112, positioning groove;12, second annular support frame;2, iris adjusting mechanism;21, adjusting assembly;211, adjusting disc;2111, guide groove;212, connecting piece;213, adjusting piece;2131, positioning block;22, iris assembly;221, arc iris sheet;222, sliding column;3, air inlet. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0032] Embodiment 1:

[0033] The utility model provides a kind of engine air inlet adjusting device, reference Figures 1 to 8 As shown, the engine air inlet adjusting device includes support mechanism 1, iris adjusting mechanism 2 and air inlet 3.

[0034] Air inlet 3 is arranged on support mechanism 1;Iris adjusting mechanism 2 includes adjusting assembly 21 and iris assembly 22, adjusting assembly 21 can be rotatably arranged on support mechanism 1, and iris assembly 22 is drivingly connected with adjusting assembly 21.

[0035] In actual use process, user adjusts iris assembly 22 action by adjusting assembly 21 according to actual demand, to adjust the area of its air inlet 3 shielding, to realize the regulation of engine air quantity in turn.

[0036] The utility model cooperates with support mechanism 1, iris adjusting mechanism 2 and air inlet 3, can reduce heat engine time and stabilize engine temperature by adjusting engine air quantity in low temperature environment or environment with large temperature difference, and, by adopting iris adjusting mechanism stepless regulation mode, the adjustment effect is remarkable.

[0037] Embodiment 2:

[0038] Embodiment 2 is established on the basis of embodiment 1:

[0039] As Figures 1 to 8 Shown, adjusting assembly 21 includes adjusting disc 211, annular mounting groove is provided in support mechanism 1, and adjusting disc 211 is annular structure, which can be rotatably arranged in the annular mounting groove;Iris assembly 22 is drivingly connected with adjusting disc 211.

[0040] Adjusting disc 211 is the actuator for driving iris assembly 22 to act, by adjusting disc 211 rotation, can drive iris assembly 22 to move, to realize the regulation of its air inlet shielding area.

[0041] As optional implementation, iris assembly 22 includes a plurality of circumferentially arranged arc-shaped iris pieces 221, a plurality of guide grooves 2111 are distributed on adjusting disc 211 in circumferential direction, the number of guide groove 2111 is same with the number of arc-shaped iris piece 221, and guide groove 2111 is provided as long circular groove.

[0042] One end of the arc-shaped iris piece 221 is connected with a sliding column 222, which is matched with the guide groove 2111 and is slidably arranged in the guide groove 2111, and the other end of the arc-shaped iris piece 221 is rotatably connected with the first annular support frame 11 of the support mechanism 1.

[0043] When the air intake amount is adjusted, the adjusting disc 211 is rotated, and the adjusting disc 211 drives all the arc-shaped iris pieces 221 to rotate towards the direction close to or away from the center line of the air intake port 3.

[0044] When the arc-shaped iris piece 221 rotates towards the direction close to the center line of the air intake port 3, the shielding area of the iris assembly 22 to the air intake port 3 is increased, and the air intake amount is reduced.

[0045] When the arc-shaped iris piece 221 rotates towards the direction away from the center line of the air intake port 3, the shielding area of the iris assembly 22 to the air intake port 3 is reduced, and the air intake amount is increased.

[0046] As an optional embodiment, the adjusting assembly 21 comprises a connecting piece 212 and an adjusting piece 213, and an arc-shaped adjusting groove 111 is arranged on the outer peripheral wall of the support mechanism 1, one end of the connecting piece 212 is fixedly connected with the adjusting disc 211, and the other end of the connecting piece 212 passes through the arc-shaped adjusting groove 111 and is connected with the adjusting piece 213.

[0047] Specifically, the connecting piece 212 is arranged as a shaft shoulder bolt, the adjusting piece 213 is arranged as an adjusting pressure sleeve, the connecting piece 212 is threadedly connected with the adjusting disc 211, and the adjusting piece 213 is sleeved on the connecting piece 212.

[0048] When the air intake amount is adjusted, the adjusting piece 213 is actuated, the connecting piece 212 slides along the arc-shaped adjusting groove 111, and the adjusting disc 211 rotates.

[0049] As an optional embodiment, both ends of the arc-shaped adjusting groove 111 are provided with positioning grooves 112, and the adjusting piece 213 can be positioned into the positioning grooves 112.

[0050] Specifically, the two positioning grooves 112 are respectively a first positioning groove and a second positioning groove, when the adjusting piece 213 is positioned into the first positioning groove, the shielding area of the iris assembly 22 to the air intake port is the smallest, and the air intake amount is the largest, and when the adjusting piece 213 is positioned into the second positioning groove, the shielding area of the iris assembly 22 to the air intake port is the largest, and the air intake amount is the smallest.

[0051] As an optional embodiment, the diameter of the positioning groove 112 is greater than the width of the arc-shaped adjusting groove 111, the adjusting piece 213 is slidably sleeved on the connecting piece 212, and the end of the adjusting piece 213 close to the outer peripheral wall of the support mechanism 1 is provided with a positioning block 2131 matched with the positioning groove 112.

[0052] When adjusting the air intake amount, the adjusting member 213 is moved along the connecting member 212 until the positioning block 2131 is disengaged from the positioning groove 112, and then the adjusting member 213 is actuated to move the connecting member 212 along the arc-shaped adjusting groove 111 to a specified position, so as to achieve the adjustment of the air intake amount.

[0053] As an optional embodiment, the adjusting assembly 21 further comprises an elastic member, two ends of the elastic member are connected to the connecting member 212 and the adjusting member 213 respectively.

[0054] When the adjusting member 213 is moved along the connecting member 212 away from the outer peripheral wall of the support mechanism 1, that is, when the adjusting member 213 is pulled, the elastic member is deformed, so that when the pulling force is eliminated, the elastic member in the deformed state provides an elastic force to enable the adjusting member 213 to press the outer peripheral wall of the support mechanism 1, thereby achieving the locking of the position.

[0055] Specifically, a receiving groove is formed on the end face of the adjusting member 213 away from the support mechanism 1, the threaded end of the connecting member 212 is inserted into the receiving groove, the elastic member is located in the receiving groove and is sleeved on the connecting member 212, and the two ends of the elastic member abut against the groove bottom wall of the receiving groove and the threaded end of the connecting member 212 respectively, so that when the adjusting member 213 is pulled, the elastic member is compressed and deformed.

[0056] As an optional embodiment, the support mechanism 1 comprises an annular support frame, the annular support frame, the iris adjusting mechanism 2 and the air inlet 3 are coaxially arranged.

[0057] The annular support frame comprises a first annular support frame 11 and a second annular support frame 12, the first annular support frame 11 and the second annular support frame 12 are connected, and the adjusting assembly 21 is located between the first annular support frame 11 and the second annular support frame 12.

[0058] Specifically, the first annular support frame 11 comprises a first support disc, the outer edge of the first support disc extends towards the second annular support frame 12 and forms an annular enclosing plate, and the second annular support frame 12 comprises a second support disc, an annular fixing groove is arranged on the second support disc at a position close to the outer edge, and the annular enclosing plate is inserted into the annular fixing groove.

[0059] As an optional embodiment, the air inlet 3 is connected to the side of the second annular support frame 12 away from the first annular support frame 11.

[0060] In the description of the present application, it needs to be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0061] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of", "several" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0062] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0063] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An engine air intake regulating device, characterized by, The application relates to an iris adjusting mechanism and an air inlet, wherein: The air inlet is arranged on the supporting mechanism; The iris adjusting mechanism comprises an adjusting assembly and an iris assembly, the adjusting assembly is rotatably arranged on the supporting mechanism, the iris assembly is in transmission connection with the adjusting assembly, and the adjusting assembly can be used for adjusting the shielding area of the iris assembly to the air inlet; The adjusting assembly comprises an adjusting disc, an annular mounting groove is arranged in the supporting mechanism, and the adjusting disc is rotatably arranged in the annular mounting groove; the iris assembly is in transmission connection with the adjusting disc; the iris assembly comprises a plurality of arc-shaped iris pieces arranged in a circumferential direction; a plurality of guide grooves are arranged in a circumferential direction on the adjusting disc, and the number of the guide grooves is the same as that of the arc-shaped iris pieces; one end of the arc-shaped iris piece is slidably arranged in the guide groove, and the other end of the arc-shaped iris piece is rotatably connected with the supporting mechanism; the adjusting disc can be rotated to drive the arc-shaped iris piece to rotate towards the direction close to or away from the center line of the air inlet.

2. The engine air intake adjustment device of claim 1, wherein, The adjusting assembly comprises a connecting piece and an adjusting piece, and an arc-shaped adjusting groove is arranged on the outer peripheral wall of the supporting mechanism, wherein: One end of the connecting piece is fixedly connected with the adjusting disc, and the other end of the connecting piece passes through the arc-shaped adjusting groove and is connected with the adjusting piece; The adjusting piece can be driven to slide along the arc-shaped adjusting groove to drive the adjusting disc to rotate.

3. The engine air intake adjustment device of claim 2, wherein, Both ends of the arc-shaped adjusting groove are provided with positioning grooves, and the adjusting piece can be positioned in the positioning grooves.

4. The engine air intake adjustment device of claim 3, wherein, The diameter of the positioning groove is larger than the width of the arc-shaped adjusting groove; The adjusting piece is slidably sleeved on the connecting piece, and a positioning block is arranged on the end of the adjusting piece close to the outer peripheral wall of the supporting mechanism, and the positioning block is matched with the positioning groove.

5. The engine air intake adjustment device of claim 4, wherein, The adjusting assembly further comprises an elastic piece, and the two ends of the elastic piece are connected with the connecting piece and the adjusting piece respectively; When the adjusting piece moves away from the outer peripheral wall of the supporting mechanism along the connecting piece, the elastic piece is deformed.

6. The engine air intake adjustment device of claim 1, wherein, The supporting mechanism comprises an annular supporting frame, and the annular supporting frame, the iris adjusting mechanism and the air inlet are coaxially arranged.

7. An engine air intake adjustment device as defined in claim 6, wherein The annular supporting frame comprises a first annular supporting frame and a second annular supporting frame, and the first annular supporting frame and the second annular supporting frame are connected; The adjusting assembly is located between the first annular supporting frame and the second annular supporting frame.

8. The engine air intake adjustment device of claim 7, wherein, The air inlet is connected to the second annular supporting frame.

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