Low-temperature-resistant servo motor

Abstract

The utility model relates to the technical field of servo motors, in particular to a low-temperature-resistant servo motor which comprises a shell and a sealing cover body, a connecting frame is fixedly connected to the right end of the shell, a sealing groove is formed in the right end of the connecting frame, and fixing blocks are fixedly connected to the middle of the front end and the middle of the rear end of the connecting frame. Clamping grooves are formed in the right ends of the two fixing blocks correspondingly, limiting holes are formed in the ends, away from the connecting frame, of the two fixing blocks correspondingly, the left end of the sealing cover body is fixedly connected with a sealing ring, connecting blocks are fixedly connected to the middle of the front end and the middle of the rear end of the sealing cover body correspondingly, and clamping blocks are fixedly connected to the left ends of the two connecting blocks correspondingly; and movable grooves are formed in the two clamping blocks correspondingly, and springs are fixedly connected to the inner walls of the two movable grooves correspondingly. According to the low-temperature-resistant servo motor provided by the utility model, the sealing cover body can be conveniently installed on the housing, and the subsequent disassembly of the sealing cover body and the replacement of the internal low-temperature-resistant material can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of servo motors, in particular to a low-temperature resistant servo motor. Background Art

[0002] The servo motor can control the speed and has very accurate position accuracy. It can convert the voltage signal into torque and speed to drive the control object. The rotor speed of the servo motor is controlled by the input signal and can respond quickly. In the automatic control system, it is used as an actuator and has the characteristics of small electromechanical time constant and high linearity. It can convert the received electrical signal into angular displacement or angular velocity output on the motor shaft. It is divided into two categories: DC and AC servo motors. Its main feature is that there is no self-rotation when the signal voltage is zero, and the speed decreases uniformly with the increase of torque. In order to make the reduction motor still work normally at low temperature, low-temperature resistant materials are installed in the motor housing. Since the low-temperature resistant materials are installed in the housing, when the low-temperature resistant materials are damaged and need to be replaced, the housing of the reduction motor must be disassembled.

[0003] During use, the existing low-temperature resistant servo motor generally uses multiple bolts to connect the cover and the shell, which makes it troublesome to install and remove. When the low-temperature resistant material is damaged, it is inconvenient to replace it. Therefore, we introduce a new low-temperature resistant servo motor. Utility Model Content

[0004] The main purpose of the utility model is to provide a low temperature resistant servo motor, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A low-temperature resistant servo motor comprises a shell and a sealing cover body, wherein the right end of the shell is fixedly connected with a connecting frame, the right end of the connecting frame is provided with a sealing groove, the middle part of the front end and the middle part of the rear end of the connecting frame are fixedly connected with fixing blocks, the right ends of the two fixing blocks are provided with a clamping groove, the ends of the two fixing blocks away from the connecting frame are provided with limiting holes, the left end of the sealing cover body is fixedly connected with a sealing ring, the middle part of the front end and the middle part of the rear end of the sealing cover body are fixedly connected with connecting blocks, the left ends of the two connecting blocks are fixedly connected with clamping blocks, the insides of the two clamping blocks are provided with movable grooves, the inner walls of the two movable grooves are fixedly connected with springs, the ends of the two springs away from the inner wall of the movable grooves are fixedly connected with limiting blocks, and the ends of the two limiting blocks away from the springs are fixedly connected with limiting rods.

[0007] Preferably, the left end of the sealing cover body is tightly fitted with the connecting frame.

[0008] Preferably, the sealing ring is snap-fitted and connected to the sealing groove.

[0009] Preferably, the two engaging blocks are respectively engaged and connected with the two engaging grooves.

[0010] Preferably, the outer surfaces of the two limit blocks are movably connected to the inner walls of the two movable grooves respectively.

[0011] Preferably, one end of the two limiting rods away from the limiting block is respectively engaged and connected with the two limiting holes.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. Place the sealing cover on the right side of the connection frame and press the two limit rods at the same time. The two limit rods squeeze the springs through the two limit blocks respectively. At the same time, the two limit rods shrink into the two movable grooves respectively. Then move the sealing cover toward the connection frame, and snap the two engaging blocks into the two engaging grooves respectively. The two limit rods pop out from the two limit holes respectively, so that the sealing cover can be easily installed on the housing and the sealing cover can be disassembled to replace the low-temperature resistant material inside.

[0014] 2. When the sealing cover is installed and connected to the connecting frame, the sealing ring on the left side of the sealing cover is snapped into the sealing groove on the right side of the connecting frame, which can improve the sealing connection between the sealing cover and the connecting frame, prevent external dust from entering the shell, and avoid affecting the service life of the low-temperature resistant servo motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a low-temperature resistant servo motor of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of a connection frame of a low-temperature resistant servo motor of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of a sealing cover body of a low-temperature resistant servo motor of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the internal structure of a clamping block of a low-temperature resistant servo motor.

[0019] In the figure: 1, shell; 2, sealing cover; 3, connecting frame; 4, sealing groove; 5, fixing block; 6, engaging groove; 7, limiting hole; 8, sealing ring; 9, connecting block; 10, engaging block; 11, movable groove; 12, spring; 13, limiting block; 14, limiting rod. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A low-temperature resistant servo motor comprises a shell 1 and a sealing cover body 2, wherein the right end of the shell 1 is fixedly connected with a connecting frame 3, a sealing groove 4 is provided at the right end of the connecting frame 3, a fixing block 5 is fixedly connected at the middle of the front end and the middle of the rear end of the connecting frame 3, a clamping groove 6 is provided at the right ends of the two fixing blocks 5, and limiting holes 7 are provided at the ends of the two fixing blocks 5 away from the connecting frame 3, the left end of the sealing cover body 2 is fixedly connected with a sealing ring 8, a connecting block 9 is fixedly connected at the middle of the front end and the middle of the rear end of the sealing cover body 2, a clamping block 10 is fixedly connected at the left ends of the two connecting blocks 9, movable grooves 11 are provided inside the two clamping blocks 10, the inner walls of the two movable grooves 11 are fixedly connected with springs 12, the ends of the two springs 12 away from the inner wall of the movable groove 11 are fixedly connected with limiting blocks 13, and the ends of the two limiting blocks 13 away from the springs 12 are fixedly connected with limiting rods 14.

[0025] In this embodiment, the left end of the sealing cover body 2 is tightly fitted with the connecting frame 3, the sealing ring 8 is engaged with the sealing groove 4, and the two engaging blocks 10 are respectively engaged with the two engaging grooves 6. When the sealing cover body 2 and the connecting frame 3 are installed and connected, the sealing ring 8 on the left side of the sealing cover body 2 is engaged with the sealing groove 4 on the right side of the connecting frame 3, which can improve the sealing connectivity between the sealing cover body 2 and the connecting frame 3, prevent external dust from entering the interior of the shell 1, and avoid affecting the service life of the low-temperature resistant servo motor.

[0026] In this embodiment, the outer surfaces of the two limit blocks 13 are movably connected to the inner walls of the two movable grooves 11, and the ends of the two limit rods 14 away from the limit blocks 13 are respectively engaged with the two limit holes 7. The two engaging blocks 10 are respectively engaged into the two engaging grooves 6, and the two limit rods 14 pop out from the two limit holes 7, so that the sealing cover body 2 can be easily installed on the shell 1, and it is also convenient to disassemble the sealing cover body 2 and replace the low-temperature resistant material inside.

[0027] It should be noted that the utility model is a low-temperature resistant servo motor. During use, the sealing cover body 2 is placed on the right side of the connecting frame 3, and the two limit rods 14 are pressed at the same time. The two limit rods 14 squeeze the spring 12 through the two limit blocks 13 respectively. At the same time, the two limit rods 14 are respectively retracted into the two movable grooves 11, and then the sealing cover body 2 is moved toward the direction of the connecting frame 3, and the two engaging blocks 10 are respectively engaged in the two engaging grooves 6, and the two limit rods 14 are respectively popped out from the two limiting holes 7, so that the sealing cover body 2 is convenient to be installed on the shell 1, and it is also convenient to disassemble the sealing cover body 2 and replace the internal low-temperature resistant material. When the sealing cover body 2 is installed and connected with the connecting frame 3, the sealing ring 8 on the left side of the sealing cover body 2 is engaged in the sealing groove 4 on the right side of the connecting frame 3, which can improve the sealing connectivity between the sealing cover body 2 and the connecting frame 3, prevent external dust from entering the shell 1, and avoid affecting the service life of the low-temperature resistant servo motor.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A low temperature resistant servo motor, comprising a housing (1) and a sealing cover (2), characterized in that: The right end of the shell (1) is fixedly connected to a connection frame (3), the right end of the connection frame (3) is provided with a sealing groove (4), the middle of the front end and the middle of the rear end of the connection frame (3) are fixedly connected to fixing blocks (5), the right ends of the two fixing blocks (5) are provided with a snap-fitting groove (6), and the ends of the two fixing blocks (5) away from the connection frame (3) are provided with a limiting hole (7), the left end of the sealing cover body (2) is fixedly connected to a sealing ring (8), and the middle of the front end and the middle of the rear end of the sealing cover body (2) are fixedly connected to the sealing ring (8). The two connecting blocks (9) are fixedly connected to each other, the left ends of the two connecting blocks (9) are fixedly connected to a locking block (10), the two locking blocks (10) are provided with movable grooves (11) inside, the inner walls of the two movable grooves (11) are fixedly connected to springs (12), the ends of the two springs (12) away from the inner walls of the movable grooves (11) are fixedly connected to limiting blocks (13), and the ends of the two limiting blocks (13) away from the springs (12) are fixedly connected to limiting rods (14).

2. The low temperature resistant servo motor according to claim 1, characterized in that: The left end of the sealing cover body (2) is tightly fitted to the connecting frame (3).

3. The low temperature resistant servo motor according to claim 1, characterized in that: The sealing ring (8) is snap-fitted and connected to the sealing groove (4).

4. The low temperature resistant servo motor according to claim 1, characterized in that: The two engaging blocks (10) are respectively engaged and connected with the two engaging grooves (6).

5. The low temperature resistant servo motor according to claim 1, characterized in that: The outer surfaces of the two limit blocks (13) are movably connected to the inner walls of the two movable grooves (11) respectively.

6. The low temperature resistant servo motor according to claim 1, characterized in that: One end of the two limiting rods (14) away from the limiting block (13) is respectively engaged and connected with the two limiting holes (7).

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