Motor box

Abstract

The utility model discloses a motor box, and relates to the field of motor boxes, the motor box comprises a box main body, the side wall of a connecting part is provided with an adjusting mechanism, through the above structure arrangement, the motor box can drive a fixed sliding block to vertically move through a threaded rod by means of a rotary knob, so that the fixed sliding block is driven to be clamped with a vertical sliding block and the bottom of a fixed part; the top of the horizontal sliding block is attached to the bottom of the sliding strip, so that the horizontal sliding block and the vertical sliding block are clamped and fixed through continuous rotation, and the periphery of the motor is fixed in a surrounding mode through mutual cooperation of the sliding strip, the sliding shell, the fixed shell and the auxiliary strip. When the box body is partially vibrated, the whole shell cannot fall off, and the distance between the fixed plate and the sliding plate can be adjusted, so that the box body can adapt to models of motors with different sizes, the application range of the box body is widened, the application range of the box body is widened, and the adaptability of the box body and motor parts is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of motor boxes, in particular to a motor box. BACKGROUND

[0002] The motor box generally refers to a container for loading a motor, for protecting and mounting the built-in motor components, and for facilitating the connection of the motor with a device or other components.

[0003] As shown in Chinese Patent No. CN202798251U, an electric vehicle motor box mainly comprises a motor box body composed of a first shell and a second shell, the first shell and the second shell are fixedly arranged together, a positioning column sleeve fixedly arranged on the motor box body composed of the first shell and the second shell, and a wiring hole opened on the motor box body. The first shell and the second shell are sheet metal parts, the positioning column sleeve is installed on the first shell and the second shell, and then the first shell and the second shell are welded together to form the motor box body. However, the following problems still exist in actual use:

[0004] The motor box of the above-mentioned patent is positioned and fixed by the positioning column in actual use. The installation mode of the positioning column sleeve mainly concentrates the stress of fixation on the positioning column itself. If the fixation is not firm, the positioning column sleeve may be loose or fall off during use, thereby causing the whole shell to fall off during use. In addition, the welding mode greatly hinders the disassembly of the motor and is not convenient for the reuse of the device. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the problems of insufficient fixation stability and inconvenience of disassembly, the present application provides a motor box.

[0006] The motor box provided by the present application adopts the following technical scheme:

[0007] A motor box comprises a box main body, a connecting part is fixedly connected to the top of the box main body, and an adjusting mechanism is arranged on the side wall of the connecting part.

[0008] The adjusting mechanism comprises a fixed plate fixedly arranged on one side of the connecting part, a fixed shell is fixedly arranged on the side of the fixed plate away from the connecting part, a sliding shell is slidably arranged on the inner wall of the fixed shell, a sliding plate is fixedly arranged on the side of the sliding shell away from the fixed shell, a sliding strip is fixedly arranged on the bottom of the sliding shell, a horizontal sliding block is fixedly arranged on the side wall of the sliding strip, a vertical sliding block is fixedly arranged on the side wall of the horizontal sliding block, a fixing piece is fixedly arranged on the bottom of the sliding shell, an auxiliary strip is fixedly arranged on the side wall of the fixed plate, an auxiliary shell is fixedly arranged on the top of the auxiliary strip, a fixed sliding block is arranged on the bottom of the fixing piece, a threaded rod is movably arranged on the top of the fixed sliding block, and a knob is fixedly arranged on the bottom of the threaded rod.

[0009] By adopting the technical scheme, the outer diameter of the sliding shell is consistent with the inner diameter of the fixed shell, so that the connection is more compact.

[0010] Preferably, the adjusting mechanism further comprises a connecting plate fixedly connected to the outside of the fixed part, one side of the fixed plate close to the connecting part is fixedly connected with the connecting part, one side of the fixed shell close to the fixed plate is fixedly connected with the fixed plate, the outer wall of the sliding shell is slidingly connected with the inner wall of the fixed shell, the inner wall of the sliding shell is slidingly connected with the outer wall of the auxiliary shell, one end of the sliding plate close to the sliding shell is fixedly connected with the sliding shell, the bottom of the sliding shell is fixedly connected with the top of the sliding bar, one end of the sliding bar close to the sliding plate is fixedly connected with the sliding plate, the outer wall of the sliding bar is fixedly connected with one end of the horizontal slide close to the sliding bar, and one end of the horizontal slide close to the sliding plate is fixedly connected with the sliding plate.

[0011] By adopting the technical scheme, the outer diameter of the sliding shell is consistent with the diameter of the sliding plate, so that the connection between the sliding shell and the sliding plate is more compact.

[0012] Preferably, one side of the vertical slide close to the horizontal slide is fixedly connected with the horizontal slide, one end of the vertical slide close to the sliding plate is fixedly connected with the sliding plate, the horizontal slide is movably penetrated through the fixed part, the vertical slide is movably penetrated through the fixed part, and the bottom of the auxiliary shell is fixedly connected with the top of the auxiliary bar.

[0013] By adopting the technical scheme, the size of the top of the auxiliary bar is consistent with the size of the bottom of the auxiliary shell, so that interference with the installation of the internal motor is avoided.

[0014] Preferably, one end of the auxiliary bar close to the fixed plate is fixedly connected with the fixed plate, one side of the auxiliary shell close to the fixed plate is fixedly connected with the fixed plate, the outer wall of the fixed part is fixedly connected with the connecting plate, and one end of the connecting plate away from the fixed part is fixedly connected with the limiting plate.

[0015] By adopting the technical scheme, the size of the limiting plate is consistent with the side wall of the connecting plate, so that the connection is more compact and does not interfere with the vertical movement of the fixed slide.

[0016] Preferably, the side wall of the limiting plate is movably penetrated through the limiting slide, one end of the limiting slide close to the fixed part is fixedly connected with the fixed slide, and the middle section of the top of the fixed slide is clamped with the vertical slide and the bottom of the fixed part.

[0017] By adopting the technical scheme, the limiting slide is symmetrically arranged, so that the movement of the fixed slide is guided, and direction errors are avoided.

[0018] Preferably, the fixed slider top is close to one side of the sliding bar, and the bottom of the horizontal slider is attached to the fixed slider top; the side of the fixed slider top away from the horizontal slider is movably penetrated by the side wall of the threaded rod; and the bottom and the top of the threaded rod are fixedly connected with the knob.

[0019] By adopting the above technical scheme, when the fixed slider moves to the top, the bottom of the fixed slider is flush with the bottom of the fixed part, thereby improving the integrity of the structural connection.

[0020] Preferably, the side wall of the threaded rod is screw-penetrated with the top of the connecting plate; the top of the fixed slider is fixedly connected with a reset disc; the top of the reset disc is fixedly connected with a slide rod; and the slide rod movably penetrates the top of the connecting plate.

[0021] By adopting the above technical scheme, the slide rod is symmetrically arranged, thereby making the force of pushing the fixed slider more uniform.

[0022] Preferably, the top of the slide rod is fixedly connected with a connecting disc; the bottom of the connecting disc is fixedly connected with a spring sleeved on the outer wall of the slide rod; and the end of the spring away from the connecting disc is fixedly connected with the top of the connecting plate.

[0023] By adopting the above technical scheme, the spring is symmetrically arranged, thereby making the spring stretch synchronously when the fixed slider moves.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The sliding shell is used to slide between the auxiliary shell and the fixed shell; the sliding bar is used to slide between the auxiliary bar and the fixed part; and the horizontal slider and the vertical slider are used to slide on the inner wall of the fixed part, thereby completing the installation of the motor. When it is necessary to disassemble, the sliding shell and the sliding bar are slid reversely, so that the sliding plate and the sliding shell can be disassembled, thereby completing the replacement and maintenance of the motor. Compared with the disassembly of multiple positioning columns, the operation is more convenient, and the operation difficulty is reduced.

[0026] 2. The rotating knob is used to drive the fixed slider to move vertically through the threaded rod, thereby driving the fixed slider, the vertical slider and the fixed part to be clamped at the bottom, the top of the horizontal slider is attached to the bottom of the sliding bar, thereby clamping and fixing the horizontal slider and the vertical slider by continuously rotating, and the mutual cooperation between the sliding bar and the sliding shell, the fixed shell and the auxiliary bar, thereby making the motor around the motor be fixed in a surrounding manner, so that the force is more uniform compared with the multi-point fixing of the positioning column. When a local part is vibrated, the whole shell will not fall off, and the distance between the fixed plate and the sliding plate can be adjusted, so that the motor of different sizes can be adapted, the use range of the box body is improved, the adaptability of the box body and the motor parts is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the overall structure diagram of the motor box of the application;

[0028] Figure 2 It is the overall structure diagram of the motor box of the application;

[0029] Figure 3 It is the motor box of the application Figure 2 The local enlarged view of A in the motor box;

[0030] Figure 4 It is the local structure diagram of the auxiliary strip of the motor box of the application;

[0031] Figure 5 It is the local structure diagram of the fixed sliding block of the motor box of the application;

[0032] Figure 6 It is the local sectional view of the horizontal sliding block of the motor box of the application;

[0033] Figure 7 It is the local structure diagram of the threaded rod of the motor box of the application;

[0034] Figure 8 It is the local sectional view of the sliding shell of the motor box of the application.

[0035] Reference signs:

[0036] 1, box body; 11, connecting part;

[0037] 2, adjusting mechanism; 21, fixed plate; 22, fixed shell; 23, sliding shell; 24, sliding plate; 25, sliding strip; 26, horizontal sliding block; 27, vertical sliding block; 28, fixed part; 29, auxiliary strip; 210, auxiliary shell;

[0038] 211, connecting plate; 212, limiting plate; 213, limiting sliding block; 214, fixed sliding block; 215, threaded rod; 216, knob; 217, reset disc; 218, sliding rod; 219, connecting disc; 220, spring. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings Figures 1-8 The application is further described in detail.

[0040] The embodiment of the application discloses a motor box.

[0041] Refer to Figure 1 A motor box comprises a box body 1, a connecting part 11 is fixedly connected to the top of the box body 1, and an adjusting mechanism 2 is arranged on the side wall of the connecting part 11.

[0042] The worker places the box body 1 in a fixed position, and then fixes the connecting part 11 to the top of the box body 1, so as to facilitate the installation of the motor.

[0043] With reference to Figure 2 The adjusting mechanism 2 comprises a fixed plate 21 fixedly arranged on one side of the connecting part 11, a fixed shell 22 fixedly arranged on the side, away from the connecting part 11, of the fixed plate 21, a sliding shell 23 slidingly arranged on the inner wall of the fixed shell 22, a sliding plate 24 fixedly arranged on the side, away from the fixed shell 22, of the sliding shell 23, a sliding strip 25 fixedly arranged on the bottom of the sliding shell 23, a horizontal sliding block 26 fixedly arranged on the side wall of the sliding strip 25, a vertical sliding block 27 fixedly arranged on the side wall of the horizontal sliding block 26, a fixing piece 28 fixedly arranged on the bottom of the sliding shell 23, an auxiliary strip 29 fixedly arranged on the side wall of the fixed plate 21, an auxiliary shell 210 fixedly arranged on the top of the auxiliary strip 29, a fixed sliding block 214 arranged on the bottom of the fixing piece 28, a threaded rod 215 movably arranged on the top of the fixed sliding block 214, and a knob 216 fixedly arranged on the bottom of the threaded rod 215. The adjusting mechanism 2 further comprises a connecting plate 211 fixedly connected to the outside of the fixing piece 28, and the connecting part 11 is fixedly connected to the side, close to the connecting part 11, of the fixed plate 21, so that the fixed plate 21 is fixedly connected to the box body 1. The fixed plate 21 is fixedly connected to the side, close to the fixed plate 21, of the fixed shell 22, and the fixed plate 21 has the same outer diameter as the fixed plate 21, so that the connection is more compact.

[0044] Then the worker fixes the fixed plate 21 to the connecting part 11, and then installs the motor in the auxiliary shell 210 and the auxiliary strip 29. Then the worker aligns the sliding strip 25 with the auxiliary strip 29 and the fixing piece 28, and aligns the horizontal sliding block 26 and the vertical sliding block 27 with the side wall groove of the fixing piece 28.

[0045] With reference to Figure 3 , Figure 4The outer wall of the fixed shell 22 is slidingly connected to the inner wall of the sliding shell 23, so that the fixed shell 22 is limited by the sliding shell 23; the outer wall of the auxiliary shell 210 is slidingly connected to the inner wall of the sliding shell 23, so that the sliding shell 23 is limited by the auxiliary shell 210 and the fixed shell 22 synchronously; the sliding shell 23 is fixedly connected to the sliding plate 24 close to one end of the sliding shell 23, so that the sliding plate 24 and the sliding shell 23 can move synchronously; the top of the sliding bar 25 is fixedly connected to the bottom of the sliding shell 23; the sliding plate 24 is fixedly connected to the end of the sliding bar 25 close to the sliding plate 24, so that the sliding plate 24, the sliding bar 25 and the sliding shell 23 form an integral whole; the end of the horizontal slide 26 close to the sliding bar 25 is fixedly connected to the outer wall of the sliding bar 25, so that the horizontal slide 26 can move synchronously with the sliding bar 25; the sliding plate 24 is fixedly connected to the end of the horizontal slide 26 close to the sliding plate 24, so that the horizontal slide 26 and the sliding plate 24 are more closely connected; the horizontal slide 26 is fixedly connected to the vertical slide 27 close to the horizontal slide 26, so that the vertical slide 27 is fixedly connected to the sliding bar 25 through the horizontal slide 26.

[0046] Then the sliding plate 24 is horizontally pushed, so that the sliding shell 23 is slidingly connected to the fixed shell 22, the sliding bar 25 is slidingly connected to the fixed part 28, the top of the horizontal slide 26 is slidingly connected to the fixed part 28, and the vertical slide 27 is slidingly connected to the fixed part 28.

[0047] Referring to Figure 4 , Figure 5The vertical sliding block 27 is fixedly connected with the sliding plate 24 at one end close to the sliding plate 24, so that the connection is more compact. The T-shaped sliding groove is formed in the side wall of the fixed part 28. The horizontal sliding block 26 is movably penetrated through the T-shaped sliding groove, so that the horizontal sliding block 26 is slidably connected with the fixed part 28. The vertical sliding block 27 is movably penetrated through the T-shaped sliding groove, so that the vertical sliding block 27 is slidably connected with the fixed part 28. The auxiliary strip 29 is fixedly connected to the top of the auxiliary shell 210. The side wall of the fixed plate 21 is fixedly connected with the auxiliary strip 29 at one end close to the fixed plate 21, so that the auxiliary strip 29 is fixed through the fixed plate 21. The side of the auxiliary shell 210 close to the fixed plate 21 is fixedly connected with the fixed plate 21, so that the fixed plate 21 simultaneously fixes the auxiliary shell 210 and the auxiliary strip 29. The side wall of the auxiliary strip 29 is attached to the sliding strip 25. The side of the sliding strip 25 away from the auxiliary strip 29 is attached to the inner wall of the fixed part 28. The connecting plate 211 is fixedly connected to the outer wall of the fixed part 28, so that the connecting plate 211 is fixedly connected with the fixed part 28. The limiting plate 212 is fixedly connected to one end of the connecting plate 211 away from the fixed part 28, so that the limiting plate 212 is fixedly connected with the connecting plate 211. The vertical sliding groove is formed in the side wall of the limiting plate 212. The limiting sliding block 213 is movably penetrated through the vertical sliding groove, so that the limiting sliding block 213 is slidably connected with the limiting plate 212.

[0048] Then the worker continues to push the sliding plate 24 so that the side of the sliding plate 24 close to the fixed shell 22 is attached to the motor, thereby completing the installation. Then the worker rotates the knob 216, so that the knob 216 drives the threaded rod 215 to rotate. The threaded rod 215 rotates to move vertically.

[0049] Referring to Figure 5 , Figure 6 , Figure 7 The fixed sliding block 214 is fixedly connected to one end of the limiting sliding block 213 close to the fixed part 28. The recess one is formed in the top middle of the fixed sliding block 214. The bottom of the vertical sliding block 27 is clamped to the recess one, so that the vertical sliding block 27 is clamped to the fixed sliding block 214. The bottom of the fixed part 28 is clamped to the recess one, so that the fixed part 28 is clamped to the fixed sliding block 214. The bottom of the horizontal sliding block 26 is attached to one side of the top of the fixed sliding block 214 close to the sliding strip 25, so that the horizontal sliding block 26 is further limited by the fixed sliding block 214 and the fixed part 28. The circular hole one is formed in the top of the fixed sliding block 214. The side wall of the threaded rod 215 is movably penetrated through the circular hole one, so that the threaded rod 215 is movably penetrated through the knob 216. The knob 216 is fixedly connected to the bottom and top of the threaded rod 215, so that the structure connection is facilitated. The threaded hole one is formed in the top of the connecting plate 211. The side wall of the threaded rod 215 is threadedly penetrated through the threaded hole one, so that the threaded rod 215 is controlled to move vertically by the connecting plate 211 when the threaded rod 215 rotates.

[0050] The threaded rod 215 drives the fixed sliding block 214 to move vertically, the fixed sliding block 214 drives the reset disc 217 to move vertically, the reset disc 217 drives the sliding rod 218 to move vertically, the sliding rod 218 drives the connecting disc 219 to move vertically, the connecting disc 219 drives the extension spring 220, and the fixed sliding block 214 clamps and fixes the horizontal sliding block 26 and the vertical sliding block 27 from the bottom, so as to complete the fixing of the sliding bar 25 and the synchronous fixing of the sliding shell 23 and the sliding plate 24.

[0051] With reference to Figures 5-8 The reset disc 217 is fixedly connected to the top of the fixed sliding block 214, and the sliding rod 218 is fixedly connected to the top of the reset disc 217, so that the vertical movement of the fixed sliding block 214 drives the vertical movement of the sliding rod 218. The top of the connecting plate 211 is provided with a second circular hole, and the sliding rod 218 movably penetrates through the second circular hole, so that the sliding rod 218 is slidably connected with the connecting plate 211. The bottom of the sliding rod 218 is provided with a third non-penetrating circular hole, which is matched in size with the reset disc 217, so that when the fixed sliding block 214 is attached to the bottom of the connecting plate 211, the reset disc 217 is embedded in the connecting plate 211. The connecting disc 219 is fixedly connected to the top of the sliding rod 218, so that the vertical movement of the sliding rod 218 drives the synchronous vertical movement of the connecting disc 219. The spring 220 is sleeved on the outer wall of the sliding rod 218, the top of the spring 220 is fixedly connected with the bottom of the connecting disc 219, and the bottom of the connecting disc 219 is fixedly connected with the top of the connecting plate 211, so that the vertical movement of the sliding rod 218 drives the connecting disc 219 to drive the spring 220 to be stretched.

[0052] When it is necessary to release the fixing, the worker reversely rotates the knob 216, so that the threaded rod 215 moves downward vertically, at this time, the sliding rod 218 is driven by the spring 220 to push the fixed sliding block 214 to move downward synchronously, so as to release the clamping and fixing of the fixed sliding block 214 on the horizontal sliding block 26 and the vertical sliding block 27.

[0053] The box body 1 and the connecting component 11 are prior art, and the structural principles will not be described in detail.

[0054] The implementation principle of the motor box in the embodiment of the application is as follows:

[0055] The worker fixes the fixed plate 21 with the connecting part 11, then installs the motor inside the auxiliary shell 210 and the auxiliary strip 29, then pushes the sliding plate 24 horizontally to slide the sliding shell 23 with the fixed shell 22, slide the sliding strip 25 with the fixed part 28, slide the horizontal sliding block 26 top with the fixed part 28, slide the vertical sliding block 27 with the fixed part 28, then continue to push the sliding plate 24 to make the side of the sliding plate 24 close to the fixed shell 22 fit the motor, thus completing the installation, then the worker rotates the knob 216 to make the knob 216 drive the connecting disc 219 move vertically, the connecting disc 219 stretches the elastic spring 220, the fixed sliding block 214 clamps and fixes the horizontal sliding block 26 and the vertical sliding block 27 from the bottom, thus completing the fixation of the sliding strip 25, and synchronously fixing the sliding shell 23 and the sliding plate 24, when it is needed to release the fixation, the worker reversely rotates the knob 216 to drive the fixed sliding block 214 move downward synchronously, thus releasing the clamping and fixation of the fixed sliding block 214 to the horizontal sliding block 26 and the vertical sliding block 27.

[0056] The above are only optional embodiments of the present disclosure, and are not used to limit the present disclosure. The present disclosure can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.

Claims

1. A motor box, comprising a box body (1), a connecting part (11) is fixedly connected to the top of the box body (1), characterized in that, The connecting component (11) side wall is provided with an adjusting mechanism (2); The adjusting mechanism (2) comprises a fixed plate (21) fixedly arranged on one side of the connecting component (11), a fixed housing (22) fixedly arranged on the side of the fixed plate (21) away from the connecting component (11), a sliding housing (23) slidably arranged on the inner wall of the fixed housing (22), a sliding plate (24) fixedly arranged on the side of the sliding housing (23) away from the fixed housing (22), a sliding strip (25) fixedly arranged on the bottom of the sliding housing (23), a horizontal sliding block (26) fixedly arranged on the side wall of the sliding strip (25), a vertical sliding block (27) fixedly arranged on the side wall of the horizontal sliding block (26), a fixing piece (28) fixedly arranged on the bottom of the sliding housing (23), an auxiliary strip (29) fixedly arranged on the side wall of the fixed plate (21), and an auxiliary housing (210) fixedly arranged on the top of the auxiliary strip (29). A fixed sliding block (214) is arranged on the bottom of the fixing piece (28), a threaded rod (215) is movably arranged on the top of the fixed sliding block (214), and a knob (216) is fixedly arranged on the bottom of the threaded rod (215).

2. A motor cassette according to claim 1, wherein: The adjusting mechanism (2) further comprises a connecting plate (211) fixedly connected to the outside of the fixing piece (28), the fixed plate (21) is fixedly connected to the connecting component (11) on the side close to the connecting component (11), the fixed housing (22) is fixedly connected to the fixed plate (21) on the side close to the fixed plate (21), the sliding housing (23) is slidably connected to the inner wall of the fixed housing (22), the sliding housing (23) is slidably connected to the outer wall of the auxiliary housing (210), the sliding plate (24) is fixedly connected to the sliding housing (23) on the side close to the sliding housing (23), the sliding housing (23) is fixedly connected to the top of the sliding strip (25), the sliding strip (25) is fixedly connected to the sliding plate (24) on the side close to the sliding plate (24), and the outer wall of the sliding strip (25) is fixedly connected to the end of the horizontal sliding block (26) close to the sliding strip (25).

3. A motor cassette according to claim 2, wherein: The vertical sliding block (27) is fixedly connected to the horizontal sliding block (26) on the side close to the horizontal sliding block (26), and the vertical sliding block (27) is fixedly connected to the sliding plate (24) on the end close to the sliding plate (24). The horizontal sliding block (26) movably penetrates the fixing piece (28), the vertical sliding block (27) movably penetrates the fixing piece (28), and the bottom of the auxiliary housing (210) is fixedly connected to the top of the auxiliary strip (29).

4. A motor cassette according to claim 3, wherein: The end of the auxiliary strip (29) close to the fixed plate (21) is fixedly connected to the fixed plate (21), the side of the auxiliary housing (210) close to the fixed plate (21) is fixedly connected to the fixed plate (21), and the outer wall of the fixing piece (28) is fixedly connected with the connecting plate (211).

5. A motor cassette according to claim 4, wherein: The limiting plate (212) side wall is movably penetrated by a limiting slider (213), one end of the limiting slider (213) is fixedly connected with a fixed slider (214), the top middle section of the fixed slider (214) is clamped with the vertical slider (27) and the bottom of the fixed part (28).

6. A motor cassette according to claim 5, wherein: The top of the fixed slider (214) is attached to the bottom of the horizontal slider (26) on one side close to the sliding bar (25), the top of the fixed slider (214) is movably penetrated by a threaded rod (215) on the side away from the horizontal slider (26), and the bottom and the top of the threaded rod (215) are fixedly connected with knobs (216).

7. A motor cassette according to claim 6, wherein: The threaded rod (215) side wall is movably penetrated by a connecting plate (211) top, the fixed slider (214) top is fixedly connected with a reset disc (217), the reset disc (217) top is fixedly connected with a slide rod (218), and the slide rod (218) movably penetrates the connecting plate (211) top.

8. A motor cassette according to claim 7, wherein: The slide rod (218) top is fixedly connected with a connecting disc (219), the connecting disc (219) bottom is fixedly connected with a spring (220) sleeved on the outer wall of the slide rod (218), and one end of the spring (220) away from the connecting disc (219) is fixedly connected with the connecting plate (211) top.

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