Precise motor with protection structure
By designing buffering and protection devices in the motor, the problems of vibration and exposure of the motor shaft are solved, and higher mechanical stability and protection effects are achieved.
Patent Information
- Application Number
- CN202411301526.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-02-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing motors shake the shaft and cause friction damage when in use, and the shaft and the shaft are exposed to damage when not in use, lacking effective protection.
A precision motor with a protective structure is designed, using buffering devices, protection devices, fixing devices, auxiliary devices and shading devices to achieve buffering and protection of the rotating shaft through springs and slide rod components.
It effectively reduces vibration when the shaft rotates, reduces friction damage between the rotor and the stator, and blocks and protects the shaft when not in use, avoiding external collisions and damage.
Smart Images
Figure CN119401718A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of electric motors, and in particular to a precision electric motor with a protective structure. Background Art
[0002] An electric motor, commonly known as a motor, is a power machine that converts electrical energy into mechanical energy by using the interaction between a magnetic field and a current-carrying conductor.
[0003] When the motor is in use, the shaft will vibrate when it rotates, causing the rotor and the stator to rub against each other and cause damage, which affects the use of the motor. At the same time, the existing motor shaft is exposed when not in use, so it is easy to be damaged and collided, causing surface damage. Secondly, most of the existing motors do not have external protective devices, and the protective effect is poor when in use, which cannot meet current needs. Summary of the invention
[0004] The object of the present invention is to provide a precision motor with a protective structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a precision motor with a protective structure, comprising a base, a buffer device, a protective device, a motor, a fixing device, an auxiliary device, and a shielding device, wherein the buffer device is arranged inside the base, the protective device is arranged on the top of the buffer device, the motor is arranged inside the protective device, the fixing device is arranged on the side of the protective device, the auxiliary device is arranged on the side of the protective device, and the shielding device is arranged inside the auxiliary device.
[0006] The buffer device is composed of a first sliding bar, a first spring, a first sliding sleeve, a second spring, a linkage plate, a fixed rod, a third spring, and a limit plate. The first sliding bar is fixedly installed inside the base, the first spring is sleeved on the surface of the first sliding bar, the first sliding sleeve is slidably installed on the surface of the first sliding bar, the second spring is sleeved on the surface of the first sliding bar, the linkage plate is hinged to the top of the first sliding sleeve, the fixed rod is fixedly installed on the top of the base, the third spring is sleeved on the surface of the fixed rod, and the limit plate is fixedly installed on the top of the fixed rod.
[0007] The protective device consists of a bottom plate, an L-shaped plate and side plates. The bottom plate is hinged to the top of the linkage plate, the L-shaped plate is hinged to the side of the bottom plate, and the side plates are fixedly installed on the side of the bottom plate.
[0008] The motor consists of a mounting plate, a motor body, a housing, and a rotating shaft. The mounting plate is detachably mounted on the top of the base plate, the motor body is fixedly mounted on the top of the mounting plate, the housing is fixedly mounted on the surface of the motor body, and the rotating shaft is rotatably mounted on the side of the motor body.
[0009] Preferably, the fixing device consists of a U-shaped plate, a second sliding rod, a second sliding sleeve, a fourth spring, a first connecting plate, a fixing strip, and a ramp block; the U-shaped plate is fixedly installed on the side of the side plate, the second sliding rod is fixedly installed inside the U-shaped plate, the second sliding sleeve is slidably installed on the surface of the second sliding rod, the fourth spring is sleeved on the surface of the second sliding rod, the first connecting plate is fixedly installed on the side of the second sliding sleeve, the fixing strip is fixedly installed on the side of the first connecting plate, and the ramp block is fixedly installed on the side of the fixing strip.
[0010] Preferably, the auxiliary device consists of a first mounting box, a third sliding rod, a third sliding sleeve, a second connecting plate, a second mounting box, a first bidirectional threaded rod, a first threaded sleeve, a mounting seat, a movable column, a fifth spring, a strip plate, an axle rod, and a roller shaft. The first mounting box is fixedly mounted on the side of the side plate, the third sliding rod is fixedly mounted on the inside of the first mounting box, the third sliding sleeve is slidably mounted on the surface of the third sliding rod, the second connecting plate is fixedly mounted on the side of the third sliding sleeve, the second mounting box is fixedly mounted on the side of the side plate, the first bidirectional threaded rod is rotatably mounted on the inside of the second mounting box, the first threaded sleeve is threadedly mounted on the surface of the first bidirectional threaded rod, the mounting seat is fixedly mounted on the side of the second connecting plate, the movable column is slidably mounted on the inside of the mounting seat, the fifth spring is arranged on the inside of the mounting seat, the strip plate is fixedly mounted on the top of the movable column, the axle rod is rotatably mounted on the inside of the strip plate, and the roller shaft is fixedly mounted on the surface of the axle rod.
[0011] Preferably, the shielding device is composed of a fourth sliding rod, a fourth sliding sleeve, a third connecting plate, a second bidirectional threaded rod, a second threaded sleeve, and a shielding plate. The fourth sliding rod is fixedly installed inside the second mounting box, the fourth sliding sleeve is slidably installed on the surface of the fourth sliding rod, the third connecting plate is fixedly installed on the side of the fourth sliding sleeve, the second bidirectional threaded rod is rotatably installed inside the first mounting box, the second threaded sleeve is threadedly installed on the surface of the second bidirectional threaded rod, and the shielding plate is fixedly installed on the side of the third connecting plate.
[0012] Preferably, both ends of the first spring are connected to the first sliding sleeve, one end of the second spring is connected to the base, the other end of the second spring is connected to the first sliding sleeve, the bottom plate is slidably installed on the surface of the fixed rod, one end of the third spring is connected to the base, the other end of the third spring is connected to the bottom plate, there are two L-shaped plates, which are symmetrically arranged on both sides of the bottom plate, and the surface of the side plate is provided with a through hole matching the rotating shaft, the first spring and the second spring are provided for resetting the first sliding sleeve, and the third spring is provided for resetting the bottom plate. By providing two L-shaped plates, they can be combined to protect the motor, and the through hole is provided to enable the rotating shaft to move.
[0013] Preferably, one end of the fourth spring is connected to the U-shaped plate, and the other end of the fourth spring is connected to the second sliding sleeve. A limiting groove matching the inclined block is provided on the side of the L-shaped plate, and a sliding groove matching the fixed strip is provided on the side of the side plate. A fourth spring is provided for resetting the second sliding sleeve. The limiting groove can limit the L-shaped plate by the inclined block, and the sliding groove can facilitate the movement of the fixed strip inside the side plate.
[0014] Preferably, the second connecting plate and the third sliding sleeve are connected and fixedly connected to the first threaded sleeve at the same time, one end of the fifth spring is connected to the mounting seat, and the other end of the fifth spring is connected to the movable column, and an arc groove matching the roller shaft is opened inside the mounting seat, and the movable column, the fifth spring, and the strip plate are all two, and the shaft rod and the roller shaft are all one in a group, which are distributed in a circular array inside the mounting seat, and the first bidirectional threaded rod is rotated. Under the action of the first threaded sleeve, the third sliding rod and the third sliding sleeve, the second connecting plate can be moved, and a fifth spring is provided for resetting the movable column, and an arc groove is opened for placing the roller shaft, and a plurality of groups of components consisting of two movable columns, two fifth springs, and strip plates, and one shaft rod and one roller shaft are provided, which can better support the rotating shaft.
[0015] Preferably, the third connecting plate and the fourth sliding sleeve are connected and fixedly connected to the second threaded sleeve at the same time, a semicircular groove matching the rotating shaft is opened inside the baffle plate, the fourth sliding sleeve, the third connecting plate, the second threaded sleeve, and the baffle plate are all a group, and there are two groups symmetrically arranged on the surface of the second two-way threaded rod. The second two-way threaded rod is rotated, and the third connecting plate can be moved under the action of the second threaded sleeve, the fourth sliding rod and the fourth sliding sleeve. By providing a baffle plate, the rotating shaft can be shielded, thereby preventing the rotating shaft from being exposed to the outside when not in use, which is easy to be damaged and collided, causing surface damage. Two groups of this component are provided, and the two baffle plates can shield the rotating shaft at the same time, so the protection effect on the rotating shaft is good.
[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The precision motor with a protective structure can protect the motor by rotating the two L-shaped plates. Under the action of the fourth spring, the two L-shaped plates are automatically fixed to the sides of the side plates.
[0017] (2) The precision motor with a protective structure can move the second connecting plate by rotating the first bidirectional threaded rod. Under the action of the fifth spring, the roller shaft can support the rotating shaft, thereby reducing the vibration of the rotating shaft during rotation, effectively reducing the damage caused by the friction between the rotor and the stator, and thus affecting the use of the motor.
[0018] (3) The precision motor with a protective structure can reduce vibration of the motor by providing a first spring, a second spring and a third spring.
[0019] (4) The precision motor with a protective structure can move the third connecting plate by rotating the second bidirectional threaded rod, thereby shielding the rotating shaft, thereby preventing the rotating shaft from being exposed to the outside when not in use and being easily damaged and collided, causing surface damage. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the structure of the first sliding rod, the first spring and the first sliding sleeve of the present invention; Figure 4 This is a schematic diagram of the structure of the L-shaped plate, the side plate and the inclined surface block of the present invention; Figure 5 It is a schematic diagram of the structure of the U-shaped plate, the second sliding rod and the second sliding sleeve of the present invention; Figure 6 This is a schematic diagram of the structure of the second connecting plate, the second mounting box and the shielding plate of the present invention; Figure 7 It is a schematic diagram of the structure of the first installation box, the third sliding rod and the third sliding sleeve of the present invention; Figure 8 This is a schematic diagram of the mounting seat, strip plate and roller structure of the present invention; Fig. 9 For the present invention Figure 8 Enlarged structural diagram at A in the middle.
[0021] In the figure: 1, base; 2, buffer device; 201, first slide bar; 202, first spring; 203, first sleeve; 204, second spring; 205, linkage plate; 206, fixing rod; 207, third spring; 208, limit plate; 3, protection device; 301, bottom plate; 302, L-shaped plate; 303, side plate; 4, motor; 401, mounting plate; 402, motor body; 403, housing; 404, rotating shaft; 5, fixing device; 501, U-shaped plate; 502, second slide bar; 503, second sleeve; 504, fourth spring; 505, first connecting plate; 5 06. Fixed bar; 507. Inclined block; 6. Auxiliary device; 601. First mounting box; 602. Third sliding bar; 603. Third sliding sleeve; 604. Second connecting plate; 605. Second mounting box; 606. First bidirectional threaded rod; 607. First threaded sleeve; 608. Mounting seat; 609. Moving column; 610. Fifth spring; 611. Strip plate; 612. Axle rod; 613. Roller; 7. Shielding device; 701. Fourth sliding bar; 702. Fourth sliding sleeve; 703. Third connecting plate; 704. Second bidirectional threaded rod; 705. Second threaded sleeve; 706. Shielding plate. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0023] See also Figure 1-9 The present invention provides a technical solution: a precision motor with a protective structure, comprising a base 1, a buffer device 2, a protective device 3, a motor 4, a fixing device 5, an auxiliary device 6, and a shielding device 7, wherein the buffer device 2 is arranged inside the base 1, the protective device 3 is arranged on the top of the buffer device 2, the motor 4 is arranged inside the protective device 3, the fixing device 5 is arranged on the side of the protective device 3, the auxiliary device 6 is arranged on the side of the protective device 3, and the shielding device 7 is arranged inside the auxiliary device 6.
[0024] The buffer device 2 is composed of a first slide bar 201, a first spring 202, a first sleeve 203, a second spring 204, a linkage plate 205, a fixed rod 206, a third spring 207, and a limit plate 208. The first slide bar 201 is fixedly installed inside the base 1, the first spring 202 is sleeved on the surface of the first slide bar 201, the first sleeve 203 is slidably installed on the surface of the first slide bar 201, the second spring 204 is sleeved on the surface of the first slide bar 201, the linkage plate 205 is hinged to the top of the first sleeve 203, the fixed rod 206 is fixedly installed on the top of the base 1, the third spring 207 is sleeved on the surface of the fixed rod 206, and the limit plate 208 is fixedly installed on the top of the fixed rod 206.
[0025] The protection device 3 is composed of a bottom plate 301 , an L-shaped plate 302 , and a side plate 303 . The bottom plate 301 is hinged to the top of the linkage plate 205 , the L-shaped plate 302 is hinged to the side of the bottom plate 301 , and the side plate 303 is fixedly installed on the side of the bottom plate 301 .
[0026] The motor 4 is composed of a mounting plate 401, a motor body 402, a housing 403, and a rotating shaft 404. The mounting plate 401 is detachably mounted on the top of the bottom plate 301, the motor body 402 is fixedly mounted on the top of the mounting plate 401, the housing 403 is fixedly mounted on the surface of the motor body 402, the rotating shaft 404 is rotatably mounted on the side of the motor body 402, both ends of the first spring 202 are connected to the first sliding sleeve 203, one end of the second spring 204 is connected to the base 1, the other end of the second spring 204 is connected to the first sliding sleeve 203, the bottom plate 301 is slidably mounted on the fixed On the surface of the fixed rod 206, one end of the third spring 207 is connected to the base 1, and the other end of the third spring 207 is connected to the bottom plate 301. There are two L-shaped plates 302, which are symmetrically arranged on both sides of the bottom plate 301. The surface of the side plate 303 is provided with a through hole matching the rotating shaft 404. The first spring 202 and the second spring 204 are provided for resetting the first sliding sleeve 203. The third spring 207 is provided for resetting the bottom plate 301. By providing two L-shaped plates 302, they can be combined to protect the motor 4, and the through hole is provided to enable the rotating shaft 404 to move.
[0027] The fixing device 5 is composed of a U-shaped plate 501, a second slide bar 502, a second slide sleeve 503, a fourth spring 504, a first connecting plate 505, a fixing strip 506, and a ramp block 507. The U-shaped plate 501 is fixedly mounted on the side of the side plate 303, the second slide bar 502 is fixedly mounted inside the U-shaped plate 501, the second slide sleeve 503 is slidably mounted on the surface of the second slide bar 502, the fourth spring 504 is sleeved on the surface of the second slide bar 502, the first connecting plate 505 is fixedly mounted on the side of the second slide sleeve 503, the fixing strip 506 is fixedly mounted on the side of the first connecting plate 505, The inclined plane block 507 is fixedly installed on the side of the fixing strip 506, one end of the fourth spring 504 is connected to the U-shaped plate 501, and the other end of the fourth spring 504 is connected to the second sliding sleeve 503. A limiting groove matching the inclined plane block 507 is provided on the side of the L-shaped plate 302, and a sliding groove matching the fixing strip 506 is provided on the side of the side plate 303. The fourth spring 504 is provided for resetting the second sliding sleeve 503. The limiting groove can limit the L-shaped plate 302 by the inclined plane block 507, and the sliding groove can facilitate the movement of the fixing strip 506 inside the side plate 303.
[0028] The auxiliary device 6 is composed of a first mounting box 601, a third slide bar 602, a third sleeve 603, a second connecting plate 604, a second mounting box 605, a first bidirectional threaded rod 606, a first threaded sleeve 607, a mounting seat 608, a movable column 609, a fifth spring 610, a strip plate 611, an axle 612, and a roller 613. The first mounting box 601 is fixedly mounted on the side of the side plate 303, the third slide bar 602 is fixedly mounted inside the first mounting box 601, the third sleeve 603 is slidably mounted on the surface of the third slide bar 602, and the second connecting plate 604 is provided with a plurality of screw terminals, wherein the first mounting box 601 is provided with a plurality of screw terminals, and the third slide bar 602 ...5 is provided with a plurality of screw terminals, and the third slide bar 603 is provided with a plurality of screw terminals, wherein the first mounting box 605 is provided with a plurality of screw terminals, and the third slide bar 603 is provided with a plurality of screw terminals, wherein the first mounting box 601 The plate 604 is fixedly mounted on the side of the third sliding sleeve 603, the second mounting box 605 is fixedly mounted on the side of the side plate 303, the first bidirectional threaded rod 606 is rotatably mounted inside the second mounting box 605, the first threaded sleeve 607 is threadedly mounted on the surface of the first bidirectional threaded rod 606, the mounting seat 608 is fixedly mounted on the side of the second connecting plate 604, the moving column 609 is slidably mounted inside the mounting seat 608, the fifth spring 610 is arranged inside the mounting seat 608, the strip plate 611 is fixedly mounted on the top of the moving column 609, and the shaft 612 The roller 613 is fixedly mounted on the surface of the shaft 612, the second connecting plate 604 is connected to the third sliding sleeve 603 and is fixedly connected to the first threaded sleeve 607, one end of the fifth spring 610 is connected to the mounting seat 608, and the other end of the fifth spring 610 is connected to the moving column 609, and the mounting seat 608 is provided with an arc groove matching the roller 613 inside, and the moving column 609, the fifth spring 610, and the strip plate 611 are all two, and the shaft 612 and the roller 613 are all one group, forming a circle. The array is distributed inside the mounting seat 608. By rotating the first bidirectional threaded rod 606, the second connecting plate 604 can be moved under the action of the first threaded sleeve 607, the third sliding rod 602 and the third sliding sleeve 603. A fifth spring 610 is provided for resetting the movable column 609. An arc groove is provided for placing the roller 613. There are multiple groups of components consisting of two movable columns 609, two fifth springs 610, and two strip plates 611, and one shaft 612 and one roller 613, which can better support the rotating shaft 404.
[0029] The shielding device 7 is composed of a fourth slide bar 701, a fourth slide sleeve 702, a third connecting plate 703, a second bidirectional threaded rod 704, a second threaded sleeve 705, and a shielding plate 706. The fourth slide bar 701 is fixedly installed inside the second installation box 605, the fourth slide sleeve 702 is slidably installed on the surface of the fourth slide bar 701, the third connecting plate 703 is fixedly installed on the side of the fourth slide sleeve 702, the second bidirectional threaded rod 704 is rotatably installed inside the first installation box 601, the second threaded sleeve 705 is threadedly installed on the surface of the second bidirectional threaded rod 704, the shielding plate 706 is fixedly installed on the side of the third connecting plate 703, the third connecting plate 703 is connected to the fourth slide sleeve 702 and is fixedly connected to the second threaded sleeve 705 at the same time, and the shielding plate 70 6 is provided with a semicircular groove matching the rotating shaft 404. The fourth sliding sleeve 702, the third connecting plate 703, the second threaded sleeve 705, and the shielding plate 706 are all one group, and there are two groups symmetrically arranged on the surface of the second bidirectional threaded rod 704. The second bidirectional threaded rod 704 is rotated. Under the action of the second threaded sleeve 705, the fourth sliding rod 701 and the fourth sliding sleeve 702, the third connecting plate 703 can be moved. By providing the shielding plate 706, the rotating shaft 404 can be shielded, thereby preventing the rotating shaft 404 from being exposed to the outside when not in use, which is easy to be damaged and collided, causing surface damage. Two groups of this component are provided, and the two shielding plates 706 can simultaneously shield the rotating shaft 404, thereby having a good protective effect on the rotating shaft 404.
[0030] When in use, the rotating shaft 404 is passed through the through hole, and the bottom plate 301 and the mounting plate 401 are fixed together, and the two L-shaped plates 302 are rotated. Under the action of the fourth spring 504, the two L-shaped plates 302 are automatically fixed to the sides of the side plates 303, so as to protect the motor 4. The first bidirectional threaded rod 606 is rotated. Under the action of the first threaded sleeve 607, the third sliding rod 602 and the third sliding sleeve 603, the second connecting plate 604 can be moved. Under the action of the fifth spring 610, the roller 613 can support the rotating shaft 404, so as to reduce the vibration of the rotating shaft 404 when it rotates, and effectively reduce The damage caused by the friction between the rotor and the stator affects the use of the motor 4. When the motor 4 is running, the motor 4 will vibrate. Under the action of the first spring 202, the second spring 204 and the third spring 207, the motor 4 can be damped. When the motor 4 stops running, the second bidirectional threaded rod 704 is rotated. Under the action of the second threaded sleeve 705, the fourth sliding rod 701 and the fourth sliding sleeve 702, the third connecting plate 703 can be moved to shield the rotating shaft 404, thereby preventing the rotating shaft 404 from being exposed to the outside when not in use, which is easy to be damaged and collided, causing surface damage.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims
1. A precision motor with a protective structure, comprising a base (1), a buffer device (2), a protective device (3), a motor (4), a fixing device (5), an auxiliary device (6), and a shielding device (7), characterized in that: The buffer device (2) is arranged inside the base (1), the protective device (3) is arranged on the top of the buffer device (2), the motor (4) is arranged inside the protective device (3), the fixing device (5) is arranged on the side of the protective device (3), the auxiliary device (6) is arranged on the side of the protective device (3), and the shielding device (7) is arranged inside the auxiliary device (6); The buffer device (2) is composed of a first sliding rod (201), a first spring (202), a first sliding sleeve (203), a second spring (204), a linkage plate (205), a fixed rod (206), a third spring (207), and a limit plate (208); the first sliding rod (201) is fixedly installed inside the base (1); the first spring (202) is sleeved on the surface of the first sliding rod (201); the first sliding sleeve (203) is slidably installed on the surface of the first sliding rod (201); the second spring (204) is sleeved on the surface of the first sliding rod (201); the linkage plate (205) is hinged to the top of the first sliding sleeve (203); the fixed rod (206) is fixedly installed on the top of the base (1); the third spring (207) is sleeved on the surface of the fixed rod (206); and the limit plate (208) is fixedly installed on the top of the fixed rod (206); The protection device (3) is composed of a bottom plate (301), an L-shaped plate (302), and a side plate (303); the bottom plate (301) is hinged to the top of the linkage plate (205); the L-shaped plate (302) is hinged to the side of the bottom plate (301); and the side plate (303) is fixedly mounted on the side of the bottom plate (301); The motor (4) is composed of a mounting plate (401), a motor body (402), a housing (403), and a rotating shaft (404); the mounting plate (401) is detachably mounted on the top of the base plate (301); the motor body (402) is fixedly mounted on the top of the mounting plate (401); the housing (403) is fixedly mounted on the surface of the motor body (402); and the rotating shaft (404) is rotatably mounted on the side of the motor body (402).
2. The precision motor with a protective structure according to claim 1, characterized in that: The fixing device (5) is composed of a U-shaped plate (501), a second sliding rod (502), a second sliding sleeve (503), a fourth spring (504), a first connecting plate (505), a fixing strip (506), and an inclined block (507); the U-shaped plate (501) is fixedly mounted on the side of the side plate (303); the second sliding rod (502) is fixedly mounted inside the U-shaped plate (501); the second sliding sleeve (503) is slidably mounted on the surface of the second sliding rod (502); the fourth spring (504) is sleeved on the surface of the second sliding rod (502); the first connecting plate (505) is fixedly mounted on the side of the second sliding sleeve (503); the fixing strip (506) is fixedly mounted on the side of the first connecting plate (505); and the inclined block (507) is fixedly mounted on the side of the fixing strip (506).
3. The precision motor with a protective structure according to claim 1, characterized in that: The auxiliary device (6) is composed of a first mounting box (601), a third sliding rod (602), a third sliding sleeve (603), a second connecting plate (604), a second mounting box (605), a first bidirectional threaded rod (606), a first threaded sleeve (607), a mounting seat (608), a movable column (609), a fifth spring (610), a strip plate (611), an axle rod (612), and a roller (613), wherein the first mounting box (601) is fixedly mounted on a side surface of the side plate (303), the third sliding rod (602) is fixedly mounted inside the first mounting box (601), the third sliding sleeve (603) is slidably mounted on a surface of the third sliding rod (602), and the second connecting plate (604) is fixedly mounted on the third sliding sleeve (603). On the side, the second mounting box (605) is fixedly mounted on the side of the side plate (303), the first bidirectional threaded rod (606) is rotatably mounted inside the second mounting box (605), the first threaded sleeve (607) is threadedly mounted on the surface of the first bidirectional threaded rod (606), the mounting seat (608) is fixedly mounted on the side of the second connecting plate (604), the movable column (609) is slidably mounted inside the mounting seat (608), the fifth spring (610) is arranged inside the mounting seat (608), the strip plate (611) is fixedly mounted on the top of the movable column (609), the shaft (612) is rotatably mounted inside the strip plate (611), and the roller (613) is fixedly mounted on the surface of the shaft (612).
4. The precision motor with a protective structure according to claim 1, characterized in that: The shielding device (7) is composed of a fourth sliding rod (701), a fourth sliding sleeve (702), a third connecting plate (703), a second bidirectional threaded rod (704), a second threaded sleeve (705), and a shielding plate (706); the fourth sliding rod (701) is fixedly mounted inside the second installation box (605); the fourth sliding sleeve (702) is slidably mounted on the surface of the fourth sliding rod (701); the third connecting plate (703) is fixedly mounted on the side of the fourth sliding sleeve (702); the second bidirectional threaded rod (704) is rotatably mounted inside the first installation box (601); the second threaded sleeve (705) is threadedly mounted on the surface of the second bidirectional threaded rod (704); and the shielding plate (706) is fixedly mounted on the side of the third connecting plate (703).
5. The precision motor with a protective structure according to claim 1, characterized in that: Both ends of the first spring (202) are connected to the first sliding sleeve (203), one end of the second spring (204) is connected to the base (1), and the other end of the second spring (204) is connected to the first sliding sleeve (203), the bottom plate (301) is slidably mounted on the surface of the fixed rod (206), one end of the third spring (207) is connected to the base (1), and the other end of the third spring (207) is connected to the bottom plate (301), there are two L-shaped plates (302), which are symmetrically arranged on both sides of the bottom plate (301), and the surface of the side plate (303) is provided with a through hole matching the rotating shaft (404).
6. The precision motor with a protective structure according to claim 2, characterized in that: One end of the fourth spring (504) is connected to the U-shaped plate (501), and the other end of the fourth spring (504) is connected to the second sliding sleeve (503). A limiting groove matching the inclined surface block (507) is provided on the side surface of the L-shaped plate (302), and a sliding groove matching the fixing strip (506) is provided on the side surface of the side plate (303).
7. The precision motor with a protective structure according to claim 3, characterized in that: The second connecting plate (604) is connected to the third sliding sleeve (603) and is fixedly connected to the first threaded sleeve (607). One end of the fifth spring (610) is connected to the mounting seat (608), and the other end of the fifth spring (610) is connected to the movable column (609). An arc groove matching the roller shaft (613) is provided inside the mounting seat (608). The movable column (609), the fifth spring (610), and the strip plate (611) are each in pairs, and the shaft (612) and the roller shaft (613) are each in a group, and are distributed in a circular array inside the mounting seat (608).
8. The precision motor with a protective structure according to claim 4, characterized in that: The third connecting plate (703) is connected to the fourth sliding sleeve (702) and is fixedly connected to the second threaded sleeve (705). A semicircular groove matching the rotating shaft (404) is provided inside the shielding plate (706). The fourth sliding sleeve (702), the third connecting plate (703), the second threaded sleeve (705) and the shielding plate (706) are all grouped together, and there are two groups symmetrically arranged on the surface of the second bidirectional threaded rod (704).