CN217217077U

CN217217077U - Installation shell, electric tuning device and aircraft

Info

Publication number: CN217217077U
Application number: CN202123031007.4U
Authority: CN
Inventors: 朱航宇
Original assignee: Guangzhou Xaircraft Technology Co Ltd
Current assignee: Guangzhou Xaircraft Technology Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-08-16
Anticipated expiration: 2031-12-03

Abstract

The application provides an installation shell, electricity adjusting device and aircraft, installation shell, electricity adjusting device and aircraft are through setting up waterproof rubber ring on the casing, install circuit board assembly in the casing, and the connecting wire of connecting circuit board assembly and external equipment passes through waterproof rubber ring and comes in and goes out the casing, wherein, waterproof rubber ring and the through wires hole toper cooperation of formation on the casing. Thereby the deformation through waterproof rubber ring makes between waterproof rubber ring and the casing and between waterproof rubber ring and the connecting wire sealed improvement dustproof and waterproof effect, can effectively improve the life of the equipment of using this installation casing.

Description

Installation shell, electric tuning device and aircraft

Technical Field

The application relates to the technical field of waterproofing and dust prevention of electric tuning devices, in particular to an installation shell, an electric tuning device and an aircraft.

Background

Along with the development of a rotor craft, the rotor craft has the advantages of flexibility, rapidness in reaction, low operation requirement and the like, and more attention is paid to multiple fields. The electric adjusting device is an important component of the rotor craft, and the rotating speed of the aircraft driving device is controlled by the electric adjusting device so as to adjust the flying speed of the rotor craft.

At present, the electric adjusting device has the poor condition of waterproof, dustproof effect, seriously influences the life of electric adjusting device.

In order to improve the service life of the electric adjusting device, the electric adjusting device with good waterproof and dustproof effects is researched and developed.

SUMMERY OF THE UTILITY MODEL

In view of this, this application embodiment is dedicated to providing an installation shell, electric adjusting device and aircraft to solve the waterproof, dustproof effect of the electric adjusting device that exists at present, the problem of serious electric adjusting device's life. In a first aspect, a mounting housing is provided, the mounting housing comprising: the circuit board assembly mounting device comprises a shell, a first fixing piece and a second fixing piece, wherein an accommodating cavity for mounting the circuit board assembly is formed in the shell, and a first mounting hole is formed in the shell; the waterproof rubber ring is used for being inserted into the first mounting hole, is in conical fit with the first mounting hole, and is provided with a wire hole for communicating the accommodating cavity with an external environment; the wire holes are used for penetrating connecting wires for connecting the circuit board assembly and external equipment.

Further, the waterproof rubber ring comprises a body inserted into the first mounting hole and a skirt extending radially outwards from the outer periphery of the body, and the skirt is attached to the shell.

Furthermore, the installation shell comprises a locking piece, the locking piece comprises a pressing plate pressed on the skirt edge, and the pressing plate and the skirt edge are fixed on the shell through fasteners.

Further, a press cover hole is formed in the press plate; the skirt edge is formed between two end faces of the body and divides the body into a first connecting portion and a second connecting portion, the first connecting portion is matched and spliced with the first mounting hole, and the second connecting portion is matched and spliced with the gland hole.

Further, the second connecting portion is in tapered fit with the gland hole.

Furthermore, a second mounting hole is formed in the shell, a lamp shell corresponding to the lamp on the circuit board assembly in position is arranged at the second mounting hole, and the joint of the lamp shell and the shell is sealed by glue.

Further, the housing comprises a first housing and a second housing which are connected with each other, and the first housing and the second housing are buckled together to form the accommodating cavity.

Furthermore, the lateral wall of second casing outwards extend have with the cooperation portion of first casing laminating, cooperation portion with adopt gluey sealed between the first casing.

Further, the matching portion is a crimping structure which is wound outwards from the side wall of the second shell, and the crimping structure is attached to the side wall of the first shell in the mounting state.

Further, the mounting case includes a waterproof vent valve mounted on the housing.

The second aspect provides an electric adjusting device, the electric adjusting device include above installation shell with install circuit board subassembly in the installation shell, be provided with on the circuit board subassembly and pass the line hole extends to the connecting wire outside the installation shell.

A third aspect provides an aircraft comprising an electrical tilt apparatus as described above.

In this application embodiment, through set up waterproof rubber ring on the casing, circuit board assembly installs in the casing, the connecting wire of connecting circuit board assembly and external equipment passes through waterproof rubber ring discrepancy casing, wherein, waterproof rubber ring and the through wires hole taper fit that forms on the casing, thereby the deformation through waterproof rubber ring makes between waterproof rubber ring and the casing and between waterproof rubber ring and the connecting wire sealed improvement dustproof and waterproof effect, can effectively improve the life who uses this equipment of installing the casing.

Drawings

Fig. 1 is a schematic structural diagram of an electrical tilt apparatus provided in an embodiment of the present application.

Fig. 2 is an exploded view of the electrical tilt apparatus in fig. 1.

Fig. 3 is a schematic structural view of the waterproof rubber ring in fig. 1.

Fig. 4 is a schematic structural view of the housing in fig. 1.

Fig. 5 is one of the structural schematic diagrams of the third housing in fig. 1.

Fig. 6 is a second schematic structural view of the third housing in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

For ease of understanding, a specific embodiment of a mounting housing provided herein is described in detail below with reference to fig. 1-6.

If a mounting housing is shown in fig. 1, the mounting housing comprises: the waterproof circuit board comprises a shell 11 and a waterproof rubber ring 13, wherein an accommodating cavity for installing a circuit board assembly 12 is formed in the shell 11, and a first installing hole is formed in the shell 11; the waterproof rubber ring 13 is used for being inserted into the first mounting hole, the waterproof rubber ring 13 is in conical fit with the first mounting hole, and a wire hole for communicating the accommodating cavity with an external environment is formed in the waterproof rubber ring 13; wherein, the wire hole is used for penetrating and connecting the circuit board assembly 12 and the connecting wire of the external equipment.

Through with waterproof rubber ring 13 and the through wires hole toper cooperation of formation on casing 11, thereby utilize waterproof rubber ring 13 to warp and make between waterproof rubber ring 13 and the casing 11 and sealed improvement dustproof and waterproof effect between waterproof rubber ring 13 and the connecting wire, can effectively improve the life who uses this equipment of installation casing.

In order to allow the waterproof rubber gasket 13 to be stably installed in the first installation hole and better seal the gap between the housing 11 and the waterproof rubber gasket 13, the waterproof rubber gasket 13 includes a body 131 for being inserted into the first installation hole and a skirt 132 extending radially outward from the outer periphery of the body 131, and the skirt 132 is adapted to be fitted on the housing. Thus, when the waterproof rubber ring 13 is installed in the first installation hole, the skirt 132 is set to prevent the waterproof rubber ring 13 from being forced into the first installation hole, and the skirt 132 can be fixed on the housing 11 to fix the waterproof rubber ring 13.

The mounting housing includes a locking member 14, the locking member 14 includes a pressing plate 141 pressing on the skirt 132, and the pressing plate 141 and the skirt 132 are fixed on the housing 11 by fasteners. In this way, the fixing of the waterproof grommet 13 is achieved. Therefore, when the connecting line is dragged, the waterproof rubber ring 13 cannot fall off from the first mounting hole. Thereby ensuring the sealing, dust-proof and water-proof between the waterproof rubber ring 13 and the shell 11.

In one embodiment, the platen 141 is provided with a platen hole 142; the skirt 132 is formed between two end surfaces of the body 131 and divides the body 131 into a first connecting portion 133 and a second connecting portion 134, the first connecting portion 133 is configured to be inserted into the first mounting hole in a matching manner, and the second connecting portion 134 is configured to be inserted into the cover pressing hole 142 in a matching manner. Thus, the skirt 132 is pressed between the pressure plate 141 and the housing 11, and the waterproof rubber ring 13 is prevented from falling off regardless of whether the connecting line is forced outward from the inside of the housing 11 or inward from the outside of the housing 11. The skirt 132 may be disposed inside the housing 11 or outside the housing 11, and is selected according to actual conditions.

Preferably, the second connecting portion 134 is tapered to fit the capping hole 142. Like this, second connecting portion 134 can be interference fit when gland hole 142 is installed, and second connecting portion 134 warp for the tight cooperation of line hole and connecting wire is in the same place, prevents to have the gap between connecting wire and the waterproof rubber ring 13, thereby has further strengthened waterproof dustproof effect.

According to the shell 11 of the embodiment, a second mounting hole is formed in the shell 11, a lamp housing 112 corresponding to a lamp position on the circuit board assembly is arranged at the second mounting hole, and the joint of the lamp housing 112 and the shell 11 is sealed by glue. The lamp housing 112 is used for protecting a lamp electrically connected with the circuit board assembly 12, and wind and dust prevention can be realized by arranging adhesive sealing between the lamp housing 112 and the housing 11. As shown in fig. 4, the housing 11 is provided with a perforation 1111, and the lamp housing 112 is mounted in the perforation 1111 and sealed with the perforation 1111.

In the mounting case of a specific embodiment, the housing 11 includes a first housing 111 and a second housing 113 connected to each other, and the first housing 111 and the second housing 113 are fastened together to form the accommodating cavity. The receiving cavity is used for receiving the circuit board assembly 12. As shown in fig. 4, the side wall of the first casing 111 encloses an open installation cavity 1110, the circuit board assembly 12 can be installed in the installation cavity 1110, the second casing 113 covers the opening of the installation cavity 1110 and is buckled with the first casing 111 to define the above-mentioned accommodating cavity, as shown in fig. 5-6, the bottom wall of the second casing 113 is provided with a first installation hole, the first installation hole comprises a first wire passing hole 1133 and a second wire passing hole 1134, and a plurality of waterproof rubber rings 13 are respectively installed in the first wire passing hole 1133 and the second wire passing hole 1134. As shown in fig. 5 to 6, in order to increase the fitting area between the first mounting hole and the waterproof rubber ring 13, a protrusion is provided on the housing 11 from one side of the housing 11 to the other side, and the first mounting hole penetrates through the protrusion from the inner side and the outer side of the housing 11, so that the first mounting hole and the waterproof rubber ring 13 have a sufficient contact length when mounted.

Preferably, a matching portion 1131 attached to the first housing 111 extends outward from a side wall of the second housing 113, and the matching portion 1131 and the first housing 111 are sealed by glue. Therefore, the mode of coating glue on the circuit board assembly 12 for sealing in the traditional mode is avoided, the sealant can be saved, and the purchase cost is reduced.

Preferably, the fitting portion 1131 is provided as a crimping structure which is outwardly rolled from the side wall of the second housing 113, as shown in fig. 6, and by providing the crimping structure, the fitting groove 1132 can be formed by the crimping structure and the side wall of the second housing 113, and the crimping structure is attached to the side wall of the first housing 111 in the mounting state. Set up like this, as shown in fig. 1, need be when the laminating position of the two is sealed in first casing 111 and second casing 113 lock together, through with the opening from ground up of installation shell upset to cooperation groove 1132, can be through pouring sealant into in this cooperation groove 1132, it is sealed glue automatic entering first casing 111 and second casing 113 between the face of being connected between, thereby realize sealedly, through setting up like this, can improve the installation rate when having improved sealed effect. The mounting case includes a waterproof vent valve 15 mounted on the housing 11, as shown in fig. 2, the waterproof vent valve 15 being mounted in a third mounting hole 1135 on the second housing 113. Because when the temperature changes, the gas can expand with heat and contract with cold, and the waterproof vent valve 15 can reduce the influence of the expansion with heat and contract with cold on the installation shell and the internal parts thereof.

The first housing 111 and the second housing 113 can be assembled in various manners, and the fitting portion 1131 is provided as a curled structure that is wound outward from the side wall of the second housing 113, and the curled structure is located inside the side wall of the first housing 111 in the mounted state. In this form of the mounting case, when in use, the first housing 111 is located on the windward side and the second housing 113 is located on the leeward side of the first housing 111 to prevent wind and rain from entering the housing 11 from the abutting surface of the second housing 113 and the first housing 111. The fitting portion 1131 may also be provided as a crimping structure that is wound outward from the side wall of the first housing 111, and the crimping structure is located inside the side wall of the second housing 113 in the mounted state. In this form of the mounting case, when in use, the second housing 113 is located on the windward side and the first housing 111 is located on the leeward side of the second housing 113 to prevent wind and rain from entering the housing 11 from the abutting surface of the second housing 113 and the first housing 111.

In addition, the lamp housing 112 is disposed at any position on the housing 11, depending on the position of the lamp. Of course, the lamp housing 112 may also be a housing mounted on the housing 11 and communicating with other objects inside and outside the housing 11.

Preferably, the housing 11 is provided with heat dissipation fins to accelerate heat dissipation, thereby improving the lifespan of the device using the mounting case. As shown in fig. 1, 2 and 3, the heat dissipation fins are disposed on the outer surface of the first housing 111.

The second aspect provides an electric tuning device, electric tuning device include above installation shell with install circuit board components 12 in the installation shell, be provided with on the circuit board components 12 and pass the line hole extends to the connecting wire outside the installation shell. In one embodiment shown in fig. 1, the connecting line includes a first line 123 and a second line 124, and the housing 11 is provided with a plurality of waterproof rubber rings 13 corresponding to the first line 123 and the second line 124. The technical advantages of the electric tuning device include those of the mounting shell, and are not described herein again.

A third aspect provides an aircraft comprising an electrical tilt apparatus as described above. The technical advantages of the aircraft include the technical advantages of the electric tilt device, and are not described in detail herein.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists singly, A and B exist simultaneously, and B exists singly, wherein A and B can be singular or plural. In addition, the "/" in this document generally indicates that the former and latter associated objects are in an "or" relationship, but may also indicate an "and/or" relationship, and may be understood with particular reference to the former and latter contexts.

In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.

It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A mounting housing, comprising:

the circuit board assembly mounting device comprises a shell, a first fixing piece and a second fixing piece, wherein an accommodating cavity for mounting the circuit board assembly is formed in the shell, and a first mounting hole is formed in the shell;

the waterproof rubber ring is used for being inserted into the first mounting hole, is in conical fit with the first mounting hole and is provided with a wire hole for communicating the accommodating cavity with an external environment;

the wire holes are used for penetrating connecting wires for connecting the circuit board assembly and external equipment.

2. The mounting housing of claim 1, wherein the waterproof grommet includes a body for insertion into the first mounting hole and a skirt extending radially outward from an outer periphery of the body for fitting over the housing.

3. The mounting cup of claim 2, wherein said mounting cup includes a retaining member, said retaining member including a pressure plate that presses against said skirt, said pressure plate and said skirt being secured to said housing by fasteners.

4. The mounting housing of claim 3, wherein the pressure plate is provided with a pressure cover hole; the skirt edge is formed between the two end faces of the body and divides the body into a first connecting portion and a second connecting portion, the first connecting portion is matched and spliced with the first mounting hole, and the second connecting portion is matched and spliced with the gland hole.

5. The mounting housing of claim 4, wherein the second coupling portion is a tapered fit with the gland bore.

6. The mounting case of claim 1, wherein a second mounting hole is formed on the housing, a lamp housing is disposed at the second mounting hole and used for corresponding to the position of the lamp on the circuit board assembly, and the joint of the lamp housing and the housing is sealed by glue.

7. The mounting case of claim 1, wherein the housing comprises a first housing and a second housing coupled to one another, the first housing and the second housing snap together to form the receiving cavity.

8. The mounting shell according to claim 7, wherein a fitting portion fitting with the first housing extends outwards from a side wall of the second housing, and the fitting portion and the first housing are sealed by glue.

9. The mounting case of claim 8, wherein the engagement portion is provided as a bead structure that is rolled outwardly from a side wall of the second housing, the bead structure conforming to a side wall of the first housing in the mounted state.

10. The mounting housing of claim 1, wherein the mounting housing includes a waterproof, gas permeable valve mounted on the housing.

11. An electric tuning device, characterized in that the electric tuning device comprises a mounting shell according to any one of claims 1-10 and a circuit board assembly installed in the mounting shell, wherein a connecting wire extending to the outside of the mounting shell through the wire hole is arranged on the circuit board assembly.

12. An aircraft, characterized in that the aircraft comprises an electrical tilt apparatus according to claim 11.