Aircraft engine starting case

Abstract

The utility model discloses an aircraft engine starting case which comprises a case body, the case body is provided with an upper layer cavity and a lower layer cavity, a hollow support is arranged between the upper layer cavity and the lower layer cavity, the upper layer cavity is used for installing a circuit board, and the lower layer cavity is used for installing a starting motor and a gear box. A heat dissipation module mounting seat is arranged on one side of the case main body, a mounting hole is formed in the heat dissipation module mounting seat, and the mounting hole is communicated with the upper-layer cavity and the lower-layer cavity. According to the computer case, the hollow support is adopted to separate the upper layer cavity from the lower layer cavity, air circulation between the cavities is not affected, one side of the case body is provided with the heat dissipation module installation seat, and the heat dissipation module installation seat is communicated with the upper layer cavity and the lower layer cavity through the installation holes. The circuit board of the upper layer cavity and the starting motor of the lower layer cavity can be cooled at the same time, and the cooling effect can be effectively achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aircraft power installation equipment, in particular to an aircraft engine starter box. BACKGROUND

[0002] The aircraft engine starter box is an installation equipment for starting an aircraft engine. At present, the structure of the existing aircraft engine starter box is generally installed in a closed space, and the heat in the closed space is difficult to cool, resulting in overheating of the engine during long-time endurance.

[0003] Based on the above-mentioned defects, the aircraft engine starter box provided by the present application can solve the problem of difficult cooling and heat dissipation of the box. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide an aircraft engine starter box.

[0005] The utility model discloses a kind of aircraft engine starter boxes, including box main body, the box main body has upper cavity and lower cavity, hollow support is equipped between the upper cavity and the lower cavity, the upper cavity is used to install circuit board, the lower cavity is used to install starting motor and gear box, one side of the box main body is equipped with heat dissipation module mounting seat, installation hole is equipped on the heat dissipation module mounting seat, the installation hole is communicated with the upper cavity and lower cavity. Installation hole is used to install heat dissipation fan, heat dissipation fan can quickly blow out the heat of upper cavity and lower cavity, improve the heat dissipation effect of box main body. Starting motor can be effectively cooled, to prevent starting motor overheating.

[0006] As an improvement of the aircraft engine starter box of the utility model, the hollow support includes two transverse rib plates, the two transverse rib plates are connected by a first vertical rib plate, one side of one of the transverse rib plates is connected to the side wall of the box main body by a second vertical rib plate.

[0007] As an improvement of the aircraft engine starter box of the utility model, the two transverse rib plates and the first vertical rib plate are each provided with a support column. The support column can support the circuit board and also fix the circuit board by screwing the support column, preventing the middle position of the circuit board from being concave and deformed.

[0008] As an improvement of the aircraft engine starter box of the utility model, circuit board mounting steps are provided on both side walls of the upper cavity, the height of the circuit board mounting steps is the same as the height of the support column, and a plurality of circuit board fixing screw holes are provided on the circuit board mounting steps at intervals.

[0009] As an improvement of the utility model aircraft engine starter box, the lower cavity is equipped with a starter motor installation groove and a gear box installation platform, the both sides of the starter motor installation groove are equipped with a fixed step, and a plurality of starter motor fixing screw holes are arranged on the fixed step.

[0010] As an improvement of the utility model aircraft engine starter box, the end of the box body is equipped with a flange connecting seat, the flange connecting seat is equipped with a circular flange connecting groove, and a plurality of flange fixing screw holes and at least one waist-shaped hole are arranged on the periphery of the circular flange connecting groove.

[0011] As an improvement of the utility model aircraft engine starter box, a plurality of heat dissipation ribs are arranged on the end surface of the box body. The heat dissipation ribs are used to enhance the heat dissipation area of the end of the box body, and further improve the heat dissipation effect.

[0012] The utility model discloses an aircraft engine starter box, which comprises a box body, an upper cavity and a lower cavity. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the perspective view of the utility model;

[0014] Figure 2 It is the front view of the utility model;

[0015] The figure mark is: 1, the box body, 2, the upper cavity, 3, the lower cavity, 4, the hollow support, 5, the heat dissipation module installation seat, 6, the installation hole, 7, the flange connecting seat, 8, the heat dissipation rib, 21, the circuit board installation step, 22, the circuit board fixed screw hole, 31, the starter motor installation groove, 32, the gear box installation platform, 33, the fixed step 34, the starter motor fixed screw hole, 41, the transverse rib plate, 42, the first vertical rib plate, 43, the second vertical rib plate, 44, the support column, 71, the circular flange connecting groove, 72, the flange fixed screw hole, 73, the waist-shaped hole. DETAILED DESCRIPTION

[0016] The technical schemes in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship and movement condition between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

[0018] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0019] As shown in Figure 1 and Figure 2 An aircraft engine starter box, comprising a box body 1, the box body 1 has an upper cavity 2 and a lower cavity 3, a hollow support 4 is arranged between the upper cavity 2 and the lower cavity 3, the upper cavity 2 is used for installing a circuit board, the lower cavity 3 is used for installing a starting motor and a gear box, one side of the box body 1 is provided with a heat dissipation module mounting seat 5, the heat dissipation module mounting seat 5 is provided with a mounting hole 6, the mounting hole 6 is communicated with the upper cavity 2 and the lower cavity 3. The mounting hole 6 is used for installing a cooling fan, and the cooling fan can quickly blow out the heat of the upper cavity 2 and the lower cavity 3, thereby improving the heat dissipation effect of the box body. The starting motor can be effectively cooled to prevent overheating of the starting motor.

[0020] Preferably, the hollow support 4 comprises two transverse rib plates 41, and the two transverse rib plates 41 are connected by a first vertical rib plate 42, and one side of one of the two transverse rib plates 41 is connected to the side wall of the box body 1 by a second vertical rib plate 43.

[0021] Preferably, the two transverse rib plates 41 and the first vertical rib plate 42 are both provided with a support column 44. The support column 44 can support the circuit board and fix the circuit board by screwing the support column, thereby preventing the middle position of the circuit board from being concave and deformed.

[0022] Preferably, the two side walls of the upper cavity 2 are both provided with a circuit board mounting step 21, the height of the circuit board mounting step 21 is the same as the height of the support column 44, and a plurality of circuit board fixing screw holes 22 are arranged on the circuit board mounting step 21 in a spaced manner.

[0023] Preferably, the lower cavity 3 is provided with a starting motor mounting groove 31 and a gear box mounting platform 32, the two side walls of the starting motor mounting groove 31 are both provided with a fixing step 33, and a plurality of starting motor fixing screw holes 34 are arranged on the fixing step 33 in intervals.

[0024] Preferably, the end of the case main body 1 is provided with a flange connecting seat 7, the flange connecting seat 7 is provided with a circular flange connecting groove 71, and a plurality of flange fixing screw holes 72 and at least one waist-shaped hole 73 are arranged on the periphery of the circular flange connecting groove 71 in intervals.

[0025] Preferably, a plurality of heat dissipation ribs 8 are arranged on the end surface of the case main body 1 in intervals. The heat dissipation ribs 8 are used for enhancing the heat dissipation area of the end of the case main body 1, and further improving the heat dissipation effect.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and structures of the utility model, and the scope of the utility model is defined by the appended claims and their equivalent scope.

Claims

1. An aircraft engine starter housing, comprising a housing body, characterized in that, The chassis body has an upper cavity and a lower cavity, with a hollowed-out bracket between the upper cavity and the lower cavity. The upper cavity is used to install a circuit board, and the lower cavity is used to install a starter motor and a gearbox. A heat dissipation module mounting base is provided on one side of the chassis body, and the heat dissipation module mounting base has mounting holes that communicate with the upper cavity and the lower cavity.

2. The aircraft engine starter housing according to claim 1, characterized in that, The hollowed-out bracket includes two horizontal stiffeners, which are connected by a first vertical stiffener. One side of one of the horizontal stiffeners is connected to the side wall of the chassis body by a second vertical stiffener.

3. The aircraft engine starter housing according to claim 2, characterized in that, Both of the two horizontal stiffeners and the first vertical stiffener are provided with support columns.

4. The aircraft engine starter housing according to claim 3, characterized in that, The upper cavity has circuit board mounting steps on both sides, the height of which is the same as the height of the support column, and multiple circuit board fixing screw holes are provided at intervals on the circuit board mounting steps.

5. The aircraft engine starter housing according to claim 1, characterized in that, The lower cavity is provided with a starter motor mounting slot and a gearbox mounting platform. The two side walls of the starter motor mounting slot are provided with fixed steps, and the fixed steps are provided with multiple starter motor fixing screw holes at intervals.

6. The aircraft engine starter housing according to claim 1, characterized in that, The end of the main body of the chassis is provided with a flange connection seat, the flange connection seat is provided with a circular flange connection groove, and the periphery of the circular flange connection groove is provided with a plurality of flange fixing screw holes and at least one oblong hole.

7. The aircraft engine starter housing according to claim 1, characterized in that, The end surface of the main body of the chassis is provided with multiple heat dissipation fins at intervals.

Images