A protection device for a bidirectional servo motor with elastic clamping

Abstract

The application relates to the technical field of servo motor protection devices, in particular to a servo motor protection device capable of bidirectional use and elastic clamping, which comprises a working structure, an oil storage structure, an adjusting structure, a buffering structure, a connecting structure, a positioning structure and a clamping structure. The top of the working structure is fixedly connected with the bottom of the oil storage structure. When the rotor needs to be quickly stopped, the adjusting disc is rotated, the adjusting disc drives the adjusting rod to rotate, the adjusting rod drives the rack to slide on the outer wall of the guide rail through the adjusting gear under the meshing force, the sealing cover is removed from the top of the oil outlet, the oil in the oil storage tank is injected into the inside of the oil storage bin, the buffering impeller is quickly stopped under the resistance of the thick oil, and the buffering plate quickly stops the rotor, so that the rotor is prevented from continuously rotating after the servo motor is powered off.

Description

Technical Field

[0001] This invention relates to the field of servo motor protection equipment technology, specifically to a flexible snap-fit ​​servo motor protection device that can be used bidirectionally. Background Technology

[0002] Servo motors, whose rotor speed is controlled by input signals and can respond quickly, are used as actuators in automatic control systems. They possess characteristics such as low electromechanical time constant and high linearity, converting received electrical signals into angular displacement or angular velocity output on the motor shaft. In high-precision applications, servo motors require rapid braking capabilities to ensure that the equipment driven by them stops quickly and accurately.

[0003] Currently, most servo motor protection devices on the market cannot stop the servo motor rotor quickly and in a timely manner during use. This causes the servo motor rotor to continue working even after the servo motor is powered off, resulting in the servo motor driving the machine to continue moving and posing a threat to the personal safety of the user. Summary of the Invention

[0004] The purpose of this invention is to provide a resiliently snap-fit, bidirectional servo motor protection device to solve the problem mentioned in the background art of not being able to quickly stop the rotor of the servo motor in a timely manner. To achieve the above objective, this invention provides the following technical solution: a resiliently snap-fit, bidirectional servo motor protection device, comprising a working structure, an oil storage structure, an adjustment structure, a buffer structure, a connecting structure, a positioning structure, and a snap-fit ​​structure. The top of the working structure is fixedly connected to the bottom of the oil storage structure, and the inner wall of the oil storage structure is rotatably connected to the outer wall of the adjustment structure. The adjustment structure includes an adjustment rod, an adjustment disc, an adjustment gear, a rack, a guide rail, and a sealing cover. The inner wall of the working structure is rotatably connected to the outer wall of the buffer structure.

[0005] One end of the buffer structure is fixedly connected to one end of the connecting structure. The buffer structure consists of two buffer plates, two rotating rings, two connecting columns, a connecting rod, and two buffer impellers. The inner wall of the connecting structure is fixedly connected to one end of the positioning structure. The outer wall of the positioning structure is movably abutted against the outer wall of the snap-fit ​​structure. The snap-fit ​​structure includes a fixed block, a rotating block, a snap-fit ​​block, and an abutting block. One side of the snap-fit ​​structure is fixedly connected to the outer wall of the connecting structure.

[0006] Preferably, the working structure includes a working chamber, a rotating groove, a positioning block, and an oil storage tank. The inner walls on both sides of the working chamber are provided with rotating grooves for the buffer structure to rotate, and the inner bottom wall of the working chamber is fixedly connected to the bottom of the positioning block. The top of the positioning block is provided with a rotating hole for the buffer structure to rotate, and the top of the working chamber is provided with a communication port connected to the oil storage structure. The two sides of the working chamber are provided with heat dissipation vents, and the center of the top of the working chamber is provided with an air inlet. The communication port is symmetrically arranged with the center line of the air inlet as the axis of symmetry, and the inner bottom walls of the working chamber near both sides are fixedly connected to the bottom of the oil storage tank.

[0007] Preferably, the oil storage structure consists of a connecting pipe, an oil tank, and an oil outlet. The inner wall of one end of the connecting pipe is fixedly connected to the top of the connecting port, and the top end of the connecting pipe is fixedly connected to the bottom of the oil tank. An oil outlet is provided at the connection between the oil tank and the connecting pipe, and the center line of the oil outlet coincides with the center line of the connecting port.

[0008] Preferably, the bottom end of the adjusting rod penetrates the top of the oil reservoir and extends into the interior of the oil reservoir, and the outer wall of the bottom end of the adjusting rod is rotatably connected to the inner bottom wall of the oil reservoir. The top end of the adjusting rod located outside the oil reservoir is engaged with the inner wall of the adjusting disc, and the outer wall of the adjusting rod near the bottom end is engaged with the inner wall of the adjusting gear. The outer wall of the adjusting gear meshes with the outer wall of the rack, and the inner wall of the bottom wall of the rack is slidably connected to the outer wall of the top of the guide rail. The bottom of the guide rail is fixedly connected to the inner bottom wall of the oil reservoir, and the outer wall of the rack is fixedly connected to one side of the sealing cover. The bottom of the sealing cover slidably abuts against the top of the oil outlet.

[0009] Preferably, the two buffer plates are fixedly connected by a connecting rod, and the outer walls of the two buffer plates on one side of the connecting rod are respectively fixedly connected to one side of the two buffer impellers. The outer walls of the two buffer plates are respectively fixedly connected to one side of the two rotating rings, and the outer walls of the rotating rings are rotatably connected to the inner walls of the rotating grooves. The outer walls of the two buffer plates are respectively fixedly connected to one end of the two connecting columns, and the connecting columns are located at the center of the rotating rings. The end of the connecting column away from the buffer plate penetrates the inner wall of the working chamber and extends to the outside of the working chamber. The buffer impellers are located inside the oil storage tank.

[0010] Preferably, the connecting structure includes a connecting tube, an abutment groove, a limiting hole, and a connecting spring. One end of the connecting tube is fixedly connected to the end of the connecting column located outside the working chamber, and the inner wall of the connecting tube is provided with an abutment groove. The inner wall of the connecting tube located on one side of the abutment groove is provided with a limiting hole, and the inner wall of the connecting tube is fixedly connected to one end of the connecting spring.

[0011] Preferably, the positioning structure consists of a positioning block, a positioning spring, and a positioning post. The inner wall of the positioning block has a positioning hole, and the inner wall of the positioning hole is fixedly connected to one end of the positioning spring. The other end of the positioning spring is fixedly connected to one end of the positioning post, and the outer wall of the positioning post is movably inserted into the inner wall of the limiting hole.

[0012] Preferably, the bottom of the fixing block is fixedly connected to the outer wall of the connecting pipe, and the outer wall of the fixing block is rotatably connected to the inner wall of the rotating block. The bottom of the rotating block on the side away from the connecting pipe is fixedly connected to the top of the snap-fit ​​block, and the other side of the rotating block is inserted into the interior of the abutment groove. The bottom of the rotating block on the side inside the abutment groove is fixedly connected to the top of the abutment block, and the outer wall of the abutment block is movably abutting against the outer wall of the positioning block.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] In this invention, by using the coordinated use of the adjustment structure, buffer structure, connection structure, positioning structure, and snap-fit ​​structure, when the rotor needs to be stopped quickly, the adjustment disc is rotated, which drives the adjustment rod to rotate. Under the meshing force, the adjustment rod drives the rack to slide on the outer wall of the guide rail through the adjustment gear, so that the sealing cover is removed from the top of the oil outlet, allowing the oil in the oil tank to be injected into the interior of the oil storage chamber. The buffer impeller stops quickly under the resistance of the thick oil, thereby enabling the buffer plate to quickly stop the rotor and prevent the rotor from continuing to rotate after the servo motor is powered off.

[0015] In this invention, the rotor of the servo motor is inserted into any connecting tube by the coordinated use of the connecting structure, positioning structure, and snap-fit ​​structure. The rotor pushes the positioning block to compress the connecting spring inside the connecting tube. When the positioning block moves to the limiting hole, the positioning pin is pushed into the limiting hole by the extension and contraction force of the positioning spring. At the same time, the positioning block pushes the abutment block to move, and the abutment block pushes the rotating block to deflect around the fixed block as the axis, so that the snap-fit ​​block is inserted into the inside of the rotor. This protective device can be used in both directions and installed, which brings convenience to the installation work of the staff.

[0016] In this invention, through the working structure, buffer structure, connecting structure, positioning structure, and snap-fit ​​structure, the rotor can drive the connecting column to rotate through the connecting pipe, the connecting column can drive the buffer plate to rotate, and the buffer plate can drive the buffer impeller to rotate in the working chamber. This allows cold air from outside the working chamber to flow into the working chamber from the bottom of the oil tank and finally be discharged from the heat dissipation port, continuously cooling the servo motor and preventing the servo motor from being in a high-temperature working environment for a long time, thus extending the service life of the servo motor. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a cross-sectional view of the present invention;

[0019] Figure 3 This is an exploded view of the present invention;

[0020] Figure 4 This is an exploded view of the working structure, oil storage structure, and regulating structure of the present invention;

[0021] Figure 5 This is an exploded view of the buffer structure of the present invention;

[0022] Figure 6 This is an exploded view of the connecting structure, positioning structure, and snap-fit ​​structure of the present invention.

[0023] In the diagram: 1. Working structure; 101. Working chamber; 102. Rotating groove; 103. Positioning block; 104. Oil storage tank; 2. Oil storage structure; 201. Connecting pipe; 202. Oil storage tank; 203. Oil outlet; 3. Adjustment structure; 301. Adjusting rod; 302. Adjusting disc; 303. Adjusting gear; 304. Rack; 305. Guide rail; 306. Sealing cover; 4. Buffer structure; 401. Buffer plate; 02. Rotating ring; 403. Connecting column; 404. Connecting rod; 405. Buffer impeller; 5. Connecting structure; 501. Connecting pipe; 502. Abutment groove; 503. Limiting hole; 504. Connecting spring; 6. Positioning structure; 601. Pushing block; 602. Positioning spring; 603. Positioning column; 7. Snap-fit ​​structure; 701. Fixing block; 702. Rotating block; 703. Snap-fit ​​block; 704. Abutment block. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Please see Figures 1 to 5 The present invention provides a technical solution: a servo motor protection device with elastic snap-fit ​​and bidirectional use, comprising a working structure 1, an oil storage structure 2, an adjustment structure 3, a buffer structure 4, a connecting structure 5, a positioning structure 6, and a snap-fit ​​structure 7. The top of the working structure 1 is fixedly connected to the bottom of the oil storage structure 2, and the inner wall of the oil storage structure 2 is rotatably connected to the outer wall of the adjustment structure 3. The adjustment structure 3 includes an adjustment rod 301, an adjustment disc 302, an adjustment gear 303, a rack 304, a guide rail 305, and a sealing cover 306. The inner wall of the working structure 1 is rotatably connected to the outer wall of the buffer structure 4.

[0026] One end of the buffer structure 4 is fixedly connected to one end of the connecting structure 5. The buffer structure 4 consists of two buffer plates 401, two rotating rings 402, two connecting columns 403, a connecting rod 404, and two buffer impellers 405. The inner wall of the connecting structure 5 is fixedly connected to one end of the positioning structure 6. The outer wall of the positioning structure 6 is movably abutted against the outer wall of the snap-fit ​​structure 7. The snap-fit ​​structure 7 includes a fixing block 701, a rotating block 702, a snap-fit ​​block 703, and an abutting block 704. One side of the snap-fit ​​structure 7 is fixedly connected to the outer wall of the connecting structure 5.

[0027] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the working structure 1 includes a working chamber 101, a rotating groove 102, a positioning block 103, and an oil storage tank 104. The inner walls on both sides of the working chamber 101 are provided with rotating grooves 102 for the buffer structure 4 to rotate. The inner bottom wall of the working chamber 101 is fixedly connected to the bottom of the positioning block 103. The top of the positioning block 103 is provided with a rotating hole for the buffer structure 4 to rotate. The top of the working chamber 101 is provided with a connecting port that communicates with the oil storage structure 2. The two sides of the working chamber 101 are provided with heat dissipation vents. The center of the top of the working chamber 101 is provided with an air inlet. The connecting port is symmetrically arranged with the center line of the air inlet as the axis of symmetry. The inner bottom walls of the working chamber 101 near both sides are fixedly connected to the bottom of the oil storage tank 104.

[0028] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the oil storage structure 2 consists of a connecting pipe 201, an oil storage tank 202, and an oil outlet 203. The inner wall of one end of the connecting pipe 201 is fixedly connected to the top of the connecting port, and the top end of the connecting pipe 201 is fixedly connected to the bottom of the oil storage tank 202. An oil outlet 203 is provided at the connection between the oil storage tank 202 and the connecting pipe 201, and the center line of the oil outlet 203 coincides with the center line of the connecting port.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the bottom end of the adjusting rod 301 penetrates the top of the oil reservoir 202 and extends into the interior of the oil reservoir 202. The outer wall of the bottom end of the adjusting rod 301 is rotatably connected to the inner bottom wall of the oil reservoir 202. The top end of the adjusting rod 301 located outside the oil reservoir 202 is engaged with the inner wall of the adjusting disc 302. The outer wall of the adjusting rod 301 near the bottom end is engaged with the inner wall of the adjusting gear 303. The outer wall of the adjusting gear 303 meshes with the outer wall of the rack 304. The inner wall of the bottom wall of the rack 304 is slidably connected to the outer wall of the top of the guide rail 305. The bottom of 305 is fixedly connected to the inner bottom wall of the oil storage tank 202, and the outer wall of the rack 304 is fixedly connected to one side of the sealing cover 306. The bottom of the sealing cover 306 slides against the top of the oil outlet 203. When the adjusting plate 302 is rotated, the adjusting plate 302 drives the adjusting rod 301 to rotate. Under the meshing force, the adjusting rod 301 drives the rack 304 to slide on the outer wall of the guide rail 305 through the adjusting gear 303, so that the sealing cover 306 is removed from the top of the oil outlet 203, and the oil in the oil storage tank 202 is injected into the interior of the oil storage chamber 104.

[0030] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, two buffer plates 401 are fixedly connected by a connecting rod 404. The outer walls of the two buffer plates 401 on one side of the connecting rod 404 are respectively fixedly connected to one side of two buffer impellers 405. The outer walls of the two buffer plates 401 are respectively fixedly connected to one side of two rotating rings 402, and the outer walls of the rotating rings 402 are rotatably connected to the inner wall of the rotating groove 102. The outer walls of the two buffer plates 401 are respectively fixedly connected to one end of two connecting posts 403, and the connecting posts 403 are located at the center of the rotating rings 402. 3. The end away from the buffer plate 401 penetrates the inner wall of the working chamber 101 and extends to the outside of the working chamber 101. The buffer impeller 405 is set inside the oil storage chamber 104. The rotor can drive the connecting column 403 to rotate through the connecting pipe 501. The connecting column 403 can drive the buffer plate 401 to rotate. The buffer plate 401 drives the buffer impeller 405 to rotate inside the working chamber 101, so that the cold air outside the working chamber 101 flows into the working chamber 101 from the bottom of the oil storage tank 202 and is finally discharged from the heat dissipation port, continuously cooling the servo motor.

[0031] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the connecting structure 5 includes a connecting pipe 501, an abutment groove 502, a limiting hole 503, and a connecting spring 504. One end of the connecting pipe 501 is fixedly connected to the end of the connecting column 403 located outside the working chamber 101. The inner wall of the connecting pipe 501 is provided with an abutment groove 502. The inner wall of the connecting pipe 501 located on one side of the abutment groove 502 is provided with a limiting hole 503. The inner wall of the connecting pipe 501 is fixedly connected to one end of the connecting spring 504.

[0032] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the positioning structure 6 consists of a push block 601, a positioning spring 602, and a positioning post 603. The inner wall of the push block 601 has a positioning hole, and the inner wall of the positioning hole is fixedly connected to one end of the positioning spring 602. The other end of the positioning spring 602 is fixedly connected to one end of the positioning post 603, and the outer wall of the positioning post 603 is movably inserted into the inner wall of the limiting hole 503. When the rotor of the servo motor is inserted into any of the connecting tubes 501, the rotor pushes the push block 601 to compress the connecting spring 504 in the connecting tube 501. When the push block 601 moves to the limiting hole 503, the positioning post 603 is pushed into the limiting hole 503 under the extension and contraction force of the positioning spring 602.

[0033] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the bottom of the fixed block 701 is fixedly connected to the outer wall of the connecting pipe 501, and the outer wall of the fixed block 701 is rotatably connected to the inner wall of the rotating block 702. The bottom of the rotating block 702 on the side away from the connecting pipe 501 is fixedly connected to the top of the snap-fit ​​block 703, and the other side of the rotating block 702 is inserted into the interior of the abutment groove 502. The bottom of the rotating block 702 on the side inside the abutment groove 502 is fixedly connected to the top of the abutment block 704, and the outer wall of the abutment block 704 is movably abutted against the outer wall of the pushing block 601. The pushing block 601 pushes the abutment block 704 to move, and the abutment block 704 pushes the rotating block 702 to deflect around the fixed block 701 as the axis, so that the snap-fit ​​block 703 is inserted into the interior of the rotor.

[0034] The method of use and advantages of this invention: The working process of this flexible snap-fit, bidirectional servo motor protection device is as follows:

[0035] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the rotor of the servo motor is inserted into any of the connecting tubes 501. The rotor pushes the pushing block 601 to compress the connecting spring 504 within the connecting tube 501. When the pushing block 601 moves to the limiting hole 503, the positioning pin 603 is pushed into the limiting hole 503 under the extension and contraction force of the positioning spring 602. At the same time, the pushing block 601 pushes the abutment block 704 to move. The abutment block 704 pushes the rotating block 702 to deflect around the fixed block 701, causing the snap-fit ​​block 703 to be inserted into the rotor. This allows the rotor to drive the connecting pin 403 to rotate through the connecting tube 501. The connecting pin 403 can drive the buffer plate 401 to rotate, and the buffer plate 401 drives the buffer impeller 405 to rotate within the working chamber 101. Cold air from outside the working chamber 101 flows into the working chamber 101 from the bottom of the oil tank 202 and is eventually discharged from the heat dissipation vent, continuously cooling the servo motor. When the rotor needs to stop quickly, the adjusting plate 302 is rotated, which drives the adjusting rod 301 to rotate. Under the meshing force, the adjusting rod 301 drives the rack 304 to slide on the outer wall of the guide rail 305 through the adjusting gear 303, causing the sealing cover 306 to be removed from the top of the oil outlet 203, allowing the oil in the oil tank 202 to be injected into the interior of the oil storage chamber 104. The buffer impeller 405 stops quickly under the resistance of the thick oil, thereby causing the buffer plate 401 to stop the rotor quickly, preventing the rotor from continuing to rotate after the servo motor is powered off.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A resilient snap-fit ​​protective device for a bidirectional servo motor, comprising a working structure (1), an oil storage structure (2), an adjustment structure (3), a buffer structure (4), a connecting structure (5), a positioning structure (6), and a snap-fit ​​structure (7), characterized in that: The top of the working structure (1) is fixedly connected to the bottom of the oil storage structure (2), the inner wall of the oil storage structure (2) is rotatably connected to the outer wall of the adjustment structure (3), the adjustment structure (3) includes an adjustment rod (301), an adjustment disc (302), an adjustment gear (303), a rack (304), a guide rail (305) and a sealing cover (306), and the inner wall of the working structure (1) is rotatably connected to the outer wall of the buffer structure (4). One end of the buffer structure (4) is fixedly connected to one end of the connecting structure (5). The buffer structure (4) consists of two buffer plates (401), two rotating rings (402), two connecting columns (403), a connecting rod (404), and two buffer impellers (405). The inner wall of the connecting structure (5) is fixedly connected to one end of the positioning structure (6). The outer wall of the positioning structure (6) is movably abutted against the outer wall of the snap-fit ​​structure (7). The snap-fit ​​structure (7) includes a fixed block (701), a rotating block (702), a snap-fit ​​block (703), and an abutment block (704). One side of the snap-fit ​​structure (7) is fixedly connected to the outer wall of the connecting structure (5). The working structure (1) includes a working chamber (101), a rotating groove (102), a positioning block (103), and an oil storage tank (104). The inner walls on both sides of the working chamber (101) are provided with rotating grooves (102) for the buffer structure (4) to rotate. The bottom wall of the working chamber (101) is fixedly connected to the bottom of the positioning block (103). The top of the positioning block (103) is provided with a rotating hole for the buffer structure (4) to rotate. The top of the working chamber (101) is provided with a communication port connected to the oil storage structure (2). The two sides of the working chamber (101) are provided with heat dissipation vents. The center of the top of the working chamber (101) is provided with an air inlet. The communication port is symmetrically arranged with the center line of the air inlet as the axis of symmetry. The inner bottom walls of the working chamber (101) near both sides are fixedly connected to the bottom of the oil storage tank (104). The oil storage structure (2) consists of a connecting pipe (201), an oil tank (202), and an oil outlet (203). The inner wall of one end of the connecting pipe (201) is fixedly connected to the top of the connecting port, and the top end of the connecting pipe (201) is fixedly connected to the bottom of the oil tank (202). An oil outlet (203) is provided at the connection between the oil tank (202) and the connecting pipe (201), and the center line of the oil outlet (203) coincides with the center line of the connecting port. The two buffer plates (401) are fixedly connected by a connecting rod (404), and the outer walls of the two buffer plates (401) on one side of the connecting rod (404) are fixedly connected to one side of the two buffer impellers (405). The outer walls of the two buffer plates (401) are fixedly connected to one side of the two rotating rings (402), and the outer wall of the rotating rings (402) is rotatably connected to the inner wall of the rotating groove (102). The outer walls of the two buffer plates (401) are fixedly connected to one end of the two connecting columns (403), and the connecting columns (403) are located at the center of the rotating rings (402). The end of the connecting column (403) away from the buffer plate (401) penetrates the inner wall of the working chamber (101) and extends to the outside of the working chamber (101). The buffer impellers (405) are located inside the oil storage tank (104).

2. The resilient snap-fit ​​bidirectional servo motor protection device according to claim 1, characterized in that: The bottom end of the adjusting rod (301) penetrates the top of the oil reservoir (202) and extends into the interior of the oil reservoir (202). The outer wall of the bottom end of the adjusting rod (301) is rotatably connected to the inner bottom wall of the oil reservoir (202). The top end of the adjusting rod (301) located outside the oil reservoir (202) is engaged with the inner wall of the adjusting disc (302). The outer wall of the adjusting rod (301) near the bottom end is engaged with the inner wall of the adjusting gear (303). The outer wall of the adjusting gear (303) meshes with the outer wall of the rack (304), and the inner wall of the bottom wall of the rack (304) is slidably connected to the outer wall of the top of the guide rail (305). The bottom of the guide rail (305) is fixedly connected to the inner bottom wall of the oil tank (202), and the outer wall of the rack (304) is fixedly connected to one side of the sealing cover (306). The bottom of the sealing cover (306) slides against the top of the oil outlet (203).

3. The resilient snap-fit, bidirectional servo motor protection device according to claim 1, characterized in that: The connecting structure (5) includes a connecting tube (501), an abutment groove (502), a limiting hole (503), and a connecting spring (504). One end of the connecting tube (501) is fixedly connected to the end of the connecting column (403) located outside the working chamber (101), and the inner wall of the connecting tube (501) is provided with an abutment groove (502). The inner wall of the connecting tube (501) located on one side of the abutment groove (502) is provided with a limiting hole (503), and the inner wall of the connecting tube (501) is fixedly connected to one end of the connecting spring (504).

4. The resilient snap-fit ​​bidirectional servo motor protection device according to claim 3, characterized in that: The positioning structure (6) consists of a push block (601), a positioning spring (602), and a positioning post (603). The inner wall of the push block (601) is provided with a positioning hole, and the inner wall of the positioning hole is fixedly connected to one end of the positioning spring (602). The other end of the positioning spring (602) is fixedly connected to one end of the positioning post (603), and the outer wall of the positioning post (603) is movably inserted into the inner wall of the limiting hole (503).

5. A resiliently snap-fit, bidirectional servo motor protection device according to claim 3, characterized in that: The bottom of the fixed block (701) is fixedly connected to the outer wall of the connecting pipe (501), and the outer wall of the fixed block (701) is rotatably connected to the inner wall of the rotating block (702). The bottom of the rotating block (702) on the side away from the connecting pipe (501) is fixedly connected to the top of the snap block (703), and the other side of the rotating block (702) is inserted into the interior of the abutment groove (502). The bottom of the rotating block (702) on the side inside the abutment groove (502) is fixedly connected to the top of the abutment block (704), and the outer wall of the abutment block (704) is movably abutting against the outer wall of the pushing block (601).

Images