CN207311852U - Fixed structure and fixed module - Google Patents

Abstract

The utility model provides a fixing structure, which comprises a body and a connection unit connected with the body, and the connection unit is used for connecting the body with a component unit. The utility model provides a fixing structure and a fixing module. The fixing structure can be connected with element units. Moreover, the fixing structure can be used to connect with the first element and the second element respectively, so that the connection structure between the first element and the second element is more stable, and at the same time, the disassembly is more convenient. The fixed module provided by the utility model fixes the first component such as the motor on the second component such as the fixed bracket by using a fixed structure, which overcomes the inconvenience of disassembly and assembly caused by the need to use long screws to fix the motor on the bracket in the prior art, and The problem of unstable connection structure.

Description

Fixed structure and fixed modules

technical field

The utility model belongs to the field of electronic products and relates to a fixing structure and a fixing module.

Background technique

In the field of avionics, unmanned aerial vehicle (unmanned aerial vehicle, UAV) has the characteristics of small size, light weight, low cost, flexible operation and high safety, and can be widely used in military, monitoring, search and rescue, resource exploration, agricultural irrigation and other fields.

As an important function of drones, aerial photography can be realized through camera devices. The existing camera device utilizes a cloud platform to be installed on the unmanned aerial vehicle. The gimbal generally includes a shock absorption module, a yaw module and a pitch module. In actual use, a camera device is installed on the pitch module, and the shock absorption module is fixed to the fuselage of the UAV and used to isolate the vibration between the platform and the UAV. The vibration module can rotate around the yaw axis relative to the shock absorption module. The pitch module is connected to the yaw module and can rotate around the roll axis relative to the yaw module. Moreover, the pitch module also has a pitch motor inside , the pitch module can also rotate around the pitch axis, and the three axes of the yaw axis, roll axis and pitch axis are perpendicular to each other.

In the prior art, a pitch motor generally includes a stator, a rotor, and an output shaft. During installation, the motor rotor is generally placed inside the bracket of the pitch module, while the stator is located outside the bracket, and the stator is directly locked on it by multiple screws. On the bracket, the pitch motor is fixed to the bracket. At this time, since the stator of the pitch motor is far away from the bracket, long screws are needed to lock it, but it is extremely inconvenient to install and disassemble when locking with long screws, and when the stator and bracket are locked with long screws, the stator It is still away from the bracket, and the two do not touch each other, so the connection between the fixed pitch motor and the bracket is not firm, and the stability of the pitch motor is poor.

Utility model content

The purpose of this utility model is to provide a fixing structure and a fixing module, which overcomes the problems of inconvenient disassembly and assembly and unstable connection structure caused by the need to use long screws to fix the motor on the bracket in the prior art.

In order to solve the above technical problems, the utility model provides a fixing structure, which includes a body and a connection unit connected with the body, and the connection unit is used for connecting the body with a component unit.

Further, the element unit includes a first element and a second element, the first element is arranged on one side of the body, and the second element is arranged on the other side of the body.

Further, the second element, the body and the first element are sequentially connected through the connection unit.

Further, the first element is a motor, the second element is a fixed bracket, the body has a fixing piece whose shape matches the output shaft of the motor, and the body is sheathed on the output shaft and connected with the motor.

Further, the fixing member is arranged at the center of the body.

Further, the fixing member is a through hole.

Further, the connection unit includes a fastener, and the fastener passes through the connection unit to connect the body with the motor.

Further, the shape of the body is a rectangle or a square or a polygonal row.

The utility model also provides a fixed module, including the above-mentioned fixed structure.

Further, at least two of the parts near the four corners of the body are provided with fastener interfaces penetrating the body, and the body and the second Components are tightly connected.

Further, the at least two positions are two mutually diagonal positions of the body.

Further, the parts near the four corners of the body are provided with fastening fittings penetrating through the body.

Compared with the prior art, the utility model provides a fixing structure and a fixing module, and the fixing structure can be connected with the element unit. Moreover, the fixing structure can be used to connect with the first element and the second element respectively, so that the connection structure between the first element and the second element is more stable, and at the same time, the disassembly is more convenient. The fixed module provided by the utility model fixes the first component such as the motor on the second component such as the fixed bracket by using a fixed structure, which overcomes the inconvenience of disassembly and assembly caused by the need to use long screws to fix the motor on the bracket in the prior art, and The problem of unstable connection structure.

Description of drawings

Fig. 1 is a structural exploded view of a fixed structure provided by an embodiment of the present invention;

Fig. 2 is an assembled structure diagram of a fixed structure provided by an embodiment of the present invention;

Fig. 3 is an exploded view of the structure of the fixed module provided by an embodiment of the present invention;

Fig. 4 is a perspective view of the assembled structure of the fixed module provided by an embodiment of the present invention;

Fig. 5 is a side view of the assembled structure of the fixed module provided by an embodiment of the present invention.

Among them, 1-first component; 2-body; 3-second component; 4-connection unit; 11-rotor; 12-stator; 13-output shaft; 21-fixer; 22-fastener interface; 31- Shell; 311-hole; 32-bracket.

Detailed ways

A fixing structure and a fixing module proposed by the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that all the drawings are in very simplified form and use inaccurate scales, which are only used to facilitate and clearly illustrate the purpose of the embodiment of the present utility model. The same or similar reference numerals in the drawings represent the same or similar components.

Fig. 1 is a structural exploded diagram of a fixed structure provided by an embodiment of the utility model; Fig. 2 is a structural diagram of the fixed structure after assembly; Fig. 3 is a structural exploded diagram of a fixed module provided by an embodiment of the utility model; Fig. 4 is a perspective view of the assembled structure of the fixed module; Fig. 5 is a side view of the assembled structure of the fixed module.

Please refer to FIG. 1 to FIG. 3 , a fixing structure provided by the present invention includes a body 2 and a connection unit 4 connected to the body 2, and the connection unit 4 is used to connect the body 2 to a component unit (not shown in the figure) are connected. Wherein, the element unit may include a first element 1 and a second element 3 , the first element 1 is disposed on one side of the body 2 , and the second element 3 is disposed on the other side of the body 1 .

In the prior art, when the first element 1 and the second element 3 are connected, due to the limitation of the shape of the first element 1, it is impossible to make the first element 1 and the second element 3 have a larger connection surface when connecting. Generally, long screws are used to connect the first component 1 and the second component 3, but the connection structure is connected by long screws, and the connection surface between the first component 1 and the second component 3 is very small, resulting in an unstable connection structure, and using It is also extremely inconvenient to disassemble and assemble with long screws. In this solution, the first element 1 and the second element 3 can be fixed through the fixing structure, so that the connection structure is more stable, and the disassembly between the first element 1 and the second element 3 is also more convenient.

Preferably, the second element 3 , the body 2 and the first element 1 are connected in sequence through the connecting unit 4 .

In an embodiment of the present utility model, the first component 1 may be a motor, the second component 3 may be a fixed bracket, and the body 2 has a shape matching the output shaft 13 of the motor 1 The fixing part 21 , the body 2 is sheathed on the output shaft 13 and connected with the motor 1 . The motor 1 generally includes a rotor 11, a stator 12, and an output shaft 13. In the prior art, when the motor 1 is fixed to the second component 3, long screws are generally used to penetrate the stator 12 and connect with the second component 3. Such a connection structure makes the motor 1 Not only is it inconvenient to disassemble and assemble with the second component 3, but also the connection structure between the motor 1 and the second component 3 is not stable during the operation of the motor 1. In the solution of the present utility model, the body 2 is sleeved on the output shaft 13 of the motor 1, and the body 2 is fixed to the motor 1, and then the body 2 is used to fix the second component 3, so that the use of long screw locks can be avoided. , Disassembly and assembly are convenient, and the connection structure is more stable.

Further, the connection unit 4 includes a fastener, which passes through the body 2 and connects the body 2 with the motor 1 . The connection method is not limited to fastener connection, but also other connection methods such as buckle connection.

As a preferred solution, the fixing member 21 is arranged at the center of the body 2 . The fixing member 21 may be a through hole. The shape of the body 2 can be rectangle, square or other polygons, and the through hole 21 is arranged at the center of the body 2 . Those skilled in the art should understand that the body 2 is not limited to a rectangle, a square or a polygon, but can also be in other shapes, such as a circle.

Please refer to FIG. 1 to FIG. 5 , the utility model also provides a fixed module, including the above-mentioned fixed structure, wherein the component unit includes a first component 1 and a second component 3, and the body 2 and The second element 3 is connected by a fastener 4 , so that the first element 1 and the second element 3 are fixed.

Among them, at least two of the parts near the four corners of the body 2 are provided with fastener interfaces 22 penetrating through the body 2, and the fasteners 4 are matched with the fastener interfaces 22 to fasten the fasteners. The body 2 is firmly connected with the second element 3 . Preferably, the at least two positions are two mutually diagonal positions of the body 2 . More preferably, the parts near the four corners of the body 2 are provided with fastener interfaces 22 penetrating through the body 2 .

Further, the projection of each fastener interface 22 along its axial direction falls outside the first element 1 . In order to facilitate assembly, the projection of the fastener 22 along its axial direction falls outside the first element 1, so that the tool will not be interfered by the first element 1 when fastening or dismounting the fastener 22 Make assembly and disassembly more efficient.

The fixing mechanism and fixing module provided by the utility model can also be applied in the pan/tilt of the unmanned aerial vehicle, for example, on the pitch motor fixing structure of the unmanned aerial vehicle pan/tilt, the pitch motor of the pan/tilt is generally fixed on the pitch module of the pan/tilt on the bracket inside the group.

Please refer to Fig. 1 to Fig. 5, motor 1 comprises rotor 11, stator 12 and output shaft 13, and the free end of described output shaft 13 is arranged on one side of described rotor 11 through described rotor 11, and described stator 12 is arranged on the other side of the rotor 11. The body 2 is sheathed on the output shaft 13 and connected to one side of the rotor 11 through a fastener 4 . A fastener interface 22 penetrating through the body 2 is opened near the four corners of the body 2, and the body 2 and the second component are connected by the fastener 4 cooperating with the fastener interface 22 3 Tighten the connection.

Please continue to refer to FIG. 3 to FIG. 5 , wherein the second component 3 includes a housing 31 and a bracket 32, the bracket 32 is installed inside the housing 31, and the housing 31 is provided with a shape similar to that of the motor rotor 11. The hole 311 matched with the body 2, the body 2 and the motor rotor 11 pass through the hole 311 and are located inside the housing 31, the stator 12 is located outside the housing 31, the fastening The projection of the component interface 22 along its axial direction falls inside the hole 311 , and the body 2 is fastened to the bracket 32 through the fastener 4 . Similarly, the fixing structure can also be applied to the yaw motor and the roll motor of the gimbal. In addition, outside the field of unmanned aerial vehicles, the fixed structure and fixed module can also be applied to other equipment with motors.

To sum up, the utility model provides a fixing structure and a fixing module, and the fixing structure can be connected with the component unit. Moreover, the fixing structure can be used to connect with the first element and the second element respectively, so that the connection structure between the first element and the second element is more stable, and at the same time, the disassembly is more convenient. The fixed module provided by the utility model fixes the first component such as the motor on the second component such as the fixed bracket by using a fixed structure, which overcomes the inconvenience of disassembly and assembly caused by the need to use long screws to fix the motor on the bracket in the prior art, and The problem of unstable connection structure.

The above description is only a description of the preferred embodiments of the present utility model, and is not any limitation to the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the utility model according to the above disclosures all belong to the protection scope of the claims .

Claims (10)

1. A fixing structure, characterized in that it comprises a body and a connection unit connected to the body, the connection unit is used to connect the body to an element unit; The element unit includes a first element and a second element, the first element is arranged on one side of the body, and the second element is arranged on the other side of the body; The first element is a motor, the second element is a fixed bracket, the body has a fixing piece whose shape matches the output shaft of the motor, and the body is sleeved on the output shaft and fitted with the motor connections described above. 2 . The fixing structure according to claim 1 , wherein the second element, the body and the first element are sequentially connected by the connecting unit. 3 . 3. The fixing structure according to claim 1, wherein the fixing member is arranged at the center of the body. 4. The fixing structure according to claim 3, wherein the fixing member is a through hole. 5 . The fixing structure according to claim 1 , wherein the connecting unit comprises a fastener passing through the body to connect the body with the motor. 6 . 6. The fixing structure according to claim 1, characterized in that, the shape of the body is rectangle, square or polygon. 7. A fixing module, comprising the fixing structure according to any one of claims 1-6. 8. The fixed module according to claim 7, characterized in that at least two parts of the body near its four corners are provided with fastener interfaces penetrating the body, through which fasteners and The fastener interface cooperates to securely connect the body with the second element. 9 . The fixing module according to claim 8 , wherein the at least two parts are two mutually diagonal parts of the body. 10 . 10 . The fixing module according to claim 8 , wherein the parts near the four corners of the body are provided with fastener interfaces penetrating the body. 11 .