End shield structure of a stepper motor

Abstract

The utility model discloses a kind of stepper motor end protective cover structures, it is related to motor protection technical field.The utility model includes stepper motor body, the stepper motor body is a kind of power output device, the protective mechanism is butted with the right side end of stepper motor body, the protective mechanism is used to protect and heat dissipation dustproof to stepper motor body.The utility model is by setting installation component, specifically is to protect cover and push to stepper motor body outside fixed ring, while fixed ring right side extrusion multiple triangular limit ring, triangular limit ring sliding extrusion spring, spring contraction accumulates force, when continue to push and extrude protective cover, spring rebound drives triangular limit ring reset and embeds triangular limit ring slot, the limiting fixation of protective cover is realized, further reinforce by mounting bolt, reduce vibration and fall risk, improve use stability, and triangular limit ring and triangular limit ring can realize quick positioning, speed up installation efficiency, reduce supporting operation, enhance convenience.

Description

Technical Field

[0001] This utility model belongs to the field of motor protection technology, and in particular relates to a protective cover structure for the end of a stepper motor. Background Technology

[0002] In practical applications of stepper motors, their operating environment is often quite complex and may be affected by dust, impurities, moisture and other external factors. In order to protect the stepper motor, especially its ends from the damage caused by the external environment, it is usually necessary to equip the stepper motor with a protective cover.

[0003] However, existing protective covers have many inconveniences in the installation process. Traditional protective cover installation methods are often cumbersome, requiring multiple complex operation steps and auxiliary tools. Not only is the installation efficiency low, but it also requires high technical skills from operators and takes a long time, increasing labor and time costs. At the same time, during use, the protective cover may loosen or fall off due to motor vibration, thus losing its protective function. Once the protective cover falls off, the motor end will be directly exposed to the external environment and affected by various interference factors, which will seriously affect the normal operation of the motor. Therefore, a stepper motor end protective cover structure is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a protective cover structure for the end of a stepper motor. By setting up an installation component, specifically, the protective cover is fitted over a fixing ring and pushed towards the stepper motor body. Simultaneously, multiple triangular limiting rings are pressed against the right side of the fixing ring. These triangular limiting rings slide and compress springs. As the springs contract and store force, when the protective cover is pushed further, the springs rebound, causing the triangular limiting rings to reset and embed into their grooves, thus achieving the limiting and fixing of the protective cover. Further reinforcement is achieved using mounting bolts. This solves the problem that traditional protective cover installation methods are often cumbersome, requiring multiple complex steps and auxiliary tools. These methods are not only inefficient but also demand high technical skills from operators, resulting in long installation times and increased labor and time costs. Furthermore, during use, the protective cover may loosen or fall off due to motor vibration, thus losing its protective function. Once the protective cover falls off, the motor end will be directly exposed to the external environment and subject to various interference factors, seriously affecting the normal operation of the motor.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a protective cover structure for the end of a stepper motor, comprising a stepper motor body, wherein the stepper motor body is a power output device, and further comprising: A protective mechanism is provided, which abuts against the right end of the stepper motor body. The protective mechanism is used to protect the stepper motor body and to dissipate heat and prevent dust. The protective mechanism includes an installation component, which includes a detachable protective cover, and the inner ring of the protective cover is provided with several triangular limiting rings.

[0006] Furthermore, the protective mechanism also includes: A heat dissipation and dust prevention component is installed inside the protective cover and is used to dissipate heat and prevent dust from the stepper motor body. A sealing assembly is disposed at the connection between the protective cover and the stepper motor body, and the sealing assembly is used to fill the gap between the protective cover and the stepper motor body.

[0007] Furthermore, a fixing ring is welded to the right side of the stepper motor body, and a triangular limiting ring groove is formed on the inner wall of the fixing ring. An inner ring is welded to the left side of the inside of the protective cover, and several mounting bolts are connected to the left side of the inside of the protective cover. A grid is welded to the inner wall of the right side of the protective cover. The fixing ring has several holes inside, and several mounting bolts reinforce the protective cover and the fixing ring through the holes.

[0008] Furthermore, the inner ring has several cavities on its outer ring, and several springs are connected to the inner walls of each cavity. The interior of each cavity is slidably connected to the exterior of the triangular limiting ring. The side of each spring away from the inner wall of the cavity is connected to the side of the triangular limiting ring near the cavity. The side of the triangular limiting ring away from the spring is in contact with the inner wall of the groove of the triangular limiting ring. Among them, the interior of several of the triangular limiting ring grooves is adapted to the side of several triangular limiting rings away from the spring, and the gap between the inner ring and the protective cover is adapted to the exterior of the fixed ring.

[0009] Furthermore, the heat dissipation and dustproof component includes an inner spiral protrusion, the outer ring of which is welded to the inner wall of the protective cover, the inner spiral protrusion is located on the side of the inner ring away from the stepper motor body, and a positioning ring is provided on the right side of the inner spiral protrusion, which is welded to the inner wall of the protective cover.

[0010] Furthermore, the positioning ring is located on the left side of the grille, and a filter screen is inserted inside the positioning ring. The filter screen passes through the protective cover and extends to the top. An installation ring is located above the protective cover, and the bottom of the installation ring is welded to the top of the filter screen. The positioning ring is semi-circular, the mounting ring is semi-circular, the inside of the positioning ring is adapted to the outer surface of the filter screen, and the inside of the positioning ring is designed to prevent slippage.

[0011] Furthermore, the sealing assembly includes a first sealing ring, which is disposed within the inner ring of the fixed ring. The left side of the first sealing ring is connected to the right side of the stepper motor body, and the side of the first sealing ring away from the stepper motor body contacts the left side of the inner ring. A second sealing ring is disposed in the gap between the inner ring and the protective cover. The right side of the second sealing ring is connected to the inner wall of the protective cover, and the left side of the second sealing ring contacts the right side of the fixed ring.

[0012] This utility model has the following beneficial effects: This utility model, through the setting of an installation component, specifically involves placing a protective cover over a fixing ring and pushing it towards the stepper motor body. Simultaneously, multiple triangular limiting rings are pressed against the right side of the fixing ring. These triangular limiting rings slide and compress springs, which contract and store force. When the protective cover is further pushed, the springs rebound, causing the triangular limiting rings to reset and embed into their grooves, thus achieving the limiting and fixing of the protective cover. Further reinforcement is achieved with mounting bolts, reducing the risk of vibration and detachment, improving stability during use, and enabling rapid positioning of the triangular limiting ring grooves and rings, accelerating installation efficiency, reducing support operations, and enhancing convenience.

[0013] This utility model incorporates a heat dissipation and dust prevention component. Specifically, the hot airflow generated by the stepper motor body flows backward through the inner spiral convex edge and is then discharged through the grille. The inner spiral convex edge increases the contact area and time between the airflow and the inner wall of the protective cover, thereby improving heat transfer efficiency. The filter screen prevents external dust from entering, reducing damage to the stepper motor body components. When installing the filter screen, it is inserted into the anti-slip inner wall and the positioning ring that matches the outer ring of the filter screen through the installation ring, reducing shaking, lowering noise, improving filtration effect, and also shortening the downtime of the stepper motor body, thus improving work efficiency.

[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the fixing ring of this utility model; Figure 3 This is a cross-sectional exploded view of the protective cover of this utility model; Figure 4 This utility model Figure 3 A magnified structural diagram of A in the middle; Figure 5 This is a schematic diagram of the overall structure of the inner spiral convex edge of this utility model; Figure 6 This utility model Figure 5 A magnified structural diagram of B in the diagram.

[0017] The attached diagram lists the components represented by each number as follows: 111. Stepper motor body; 2. Protective mechanism; 21. Mounting assembly; 211. Protective cover; 212. Fixing ring; 213. Mounting bolt; 214. Grille; 215. Triangular limiting ring groove; 216. Inner ring; 217. Cavity; 218. Spring; 219. Triangular limiting ring; 22. Heat dissipation and dustproof assembly; 221. Mounting ring; 222. Filter screen; 223. Inner spiral protrusion; 224. Positioning ring; 23. Sealing assembly; 231. Sealing ring one; 232. Sealing ring two. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figures 1-6As shown, this utility model is a stepper motor end protective cover structure, including a stepper motor body 111, which is a power output device. It also includes a protective mechanism 2, which abuts against the right end of the stepper motor body 111. The protective mechanism 2 is used to protect the stepper motor body 111 and for heat dissipation and dust prevention. The protective mechanism 2 includes a mounting assembly 21, which includes a detachable protective cover 211. The inner ring of the protective cover 211 is provided with several triangular limiting rings 219. The protective mechanism 2 also includes a heat dissipation and dust prevention assembly 22, which is disposed inside the protective cover 211 and is used for heat dissipation and dust prevention of the stepper motor body 111. Finally, it includes a sealing assembly 23. Component 23 is installed at the connection between the protective cover 211 and the stepper motor body 111. The sealing component 23 is used to fill the gap between the protective cover 211 and the stepper motor body 111. A fixing ring 212 is welded to the right side of the stepper motor body 111. A triangular limiting ring groove 215 is opened on the inner wall of the fixing ring 212. An inner ring 216 is welded to the left side inside the protective cover 211. Several mounting bolts 213 are connected to the left side inside the protective cover 211. A grid 214 is welded to the inner wall of the right side of the protective cover 211. Several holes are opened inside the fixing ring 212. Several mounting bolts 213 reinforce the protective cover 211 and the fixing ring 212 through several holes. Several cavities 217 are opened on the outer ring of the inner ring 216. The inner walls of several cavities 217 are all connected to the grid. A plurality of springs 218 are connected to the interior of a plurality of cavities 217, which are all slidably connected to the exterior of a triangular limiting ring 219. The sides of the springs 218 away from the inner wall of the cavities 217 are connected to the sides of the triangular limiting rings 219 near the cavities 217. The sides of the triangular limiting rings 219 away from the springs 218 are in contact with the inner wall of a triangular limiting ring groove 215. The interior of the triangular limiting ring groove 215 is adapted to the sides of the triangular limiting rings 219 away from the springs 218. The gap between the inner ring 216 and the protective cover 211 is adapted to the exterior of the fixed ring 212. The protective cover 211 is fitted over the fixed ring 212 and pushed towards the stepper motor body 111. Simultaneously, the right side of the fixed ring 212 presses against the multiple triangular limiting rings 219, causing the triangular limiting rings 219 to slide. When the spring 218 is compressed, it contracts and stores force. When the protective cover 211 is pushed further, the spring 218 rebounds, causing the triangular limiting ring 219 to reset and embed into the triangular limiting ring groove 215, thereby limiting and fixing the protective cover 211. This is further reinforced by the mounting bolts 213, reducing the risk of vibration-induced detachment and improving stability. The triangular limiting ring groove 215 and the triangular limiting ring 219 allow for rapid positioning, accelerating installation efficiency, reducing support operations, and enhancing convenience. The heat dissipation and dustproof component 22 includes an inner spiral protrusion 223. The outer ring of the inner spiral protrusion 223 is welded to the inner wall of the protective cover 211. The inner spiral protrusion 223 is located on the side of the inner ring 216 away from the stepper motor body 111. A positioning ring 224 is located on the right side of the inner spiral protrusion 223.The positioning ring 224 is welded to the inner wall of the protective cover 211. The positioning ring 224 is located on the left side of the grille 214. A filter screen 222 is inserted inside the positioning ring 224. The filter screen 222 passes through the protective cover 211 and extends to the top. An installation ring 221 is located above the protective cover 211. The bottom of the installation ring 221 is welded to the top of the filter screen 222. The positioning ring 224 and the installation ring 221 are both semi-circular. The inside of the positioning ring 224 is adapted to the outer surface of the filter screen 222. The inside of the positioning ring 224 is designed to prevent slippage. The hot airflow generated by the stepper motor body 111 flows back through the inner spiral protrusion 223 and is discharged through the grille 214. The inner spiral protrusion 223 increases the contact area and time between the airflow and the inner wall of the protective cover, improving heat transfer efficiency. The filter screen 222 prevents external dust from entering, reducing the impact on the airflow. When the stepper motor body components are damaged, the filter 222 is inserted into the positioning ring 224, which is adapted to the outer ring of the filter, through the installation ring 221. This reduces shaking, lowers noise, improves filtration effect, and shortens the downtime of the stepper motor body 111, thus improving work efficiency. The sealing assembly 23 includes a first sealing ring 231, which is set in the inner ring of the fixing ring 212. The left side of the first sealing ring 231 is connected to the right side of the stepper motor body 111, and the side of the first sealing ring 231 away from the stepper motor body 111 contacts the left side of the inner ring 216. A second sealing ring 232 is provided in the gap between the inner ring 216 and the protective cover 211. The right side of the second sealing ring 232 is connected to the inner wall of the protective cover 211, and the left side of the second sealing ring 232 contacts the right side of the fixing ring 212.

[0020] A specific application of this embodiment is as follows: In use, the protective cover 211 is first fixedly installed to the stepper motor body 111. Specifically, the protective cover 211 is first placed over the fixing ring 212 and pushed towards the stepper motor body 111. At this time, the fixing ring 212 will be embedded between the protective cover 211 and the inner ring 216. Simultaneously, the right side of the fixing ring 212 will compress multiple triangular limiting rings 219. Under the force, the multiple triangular limiting rings 219 will slide into the cavity 217. During the sliding process of the triangular limiting rings 219, multiple springs 218 will be compressed. The springs 218 will contract and store force under the limiting effect of the inner wall of the cavity 217. At this time, the protective cover 211 is pushed towards the stepper motor body 111. At this time, the multiple springs 218 will generate a certain rebound force. This causes the triangular limit rings 219 to reset. During the reset process, the triangular limit rings 219 will embed into the triangular limit ring groove 215. At this time, the multiple triangular limit rings 219 will limit and fix the protective cover 211 through the triangular limit ring groove 215. Then, the staff will further reinforce the protective cover 211 and the fixing ring 212 with multiple mounting bolts 213, reducing the possibility of the protective cover 211 falling off due to vibration during the use of the stepper motor body 111, thus improving the stability of the device. At the same time, through the action of multiple triangular limit rings 219 and triangular limit ring groove 215, the protective cover 211 can be quickly positioned, speeding up the installation efficiency of the protective cover 211, reducing the need for support during the installation of the protective cover 211, and enhancing the convenience of the device. Meanwhile, when the protective cover 211 is installed, as the inner ring 216 approaches the fixed ring 212, the left side of the inner ring 216 will compress the sealing ring 231. The sealing ring 231 will then expand due to the limiting effect of the stepper motor body 111. At this time, the sealing ring 231 will fill the gap at the connection between the fixed ring 212 and the inner ring 216, achieving a sealing effect. At the same time, when the protective cover 211 is installed, the right side of the fixed ring 212 will compress the sealing ring 232. The sealing ring 232 will also expand due to the limiting effect of the protective cover 211. At this time, the sealing ring 232 will fill the gap at the connection between the fixed ring 212 and the stepper motor body 111, further improving the sealing effect. During the use of the protective cover 211, the hot airflow generated by the stepper motor body 111 during operation will flow backward through the inner spiral protrusion 223 and then be discharged into the interior of the protective cover 211 through the grille 214. The inner spiral protrusion 223 increases the contact area and time between the airflow and the inner wall of the protective cover 211, thereby improving heat transfer efficiency. Simultaneously, during the use of the protective cover 211, the filter 222 effectively blocks dust from the outside of the protective cover 211, reducing the amount of dust entering the interior of the protective cover 211, thus reducing... To prevent damage to the components in the stepper motor body 111, and to reduce noise generation and improve filtration efficiency during filter installation, the filter 222 is first inserted into the positioning ring 224 via the installation ring 221. The inner wall of the positioning ring 224 is designed to prevent slippage, and the inner part of the positioning ring 224 is compatible with the outer ring of the filter 222. This design reduces the shaking of the filter 222 during use, reduces noise generation, and improves filtration efficiency. At the same time, the quick installation of the filter 222 via the positioning ring 224 reduces the downtime of the stepper motor body 111, thereby improving work efficiency.

[0021] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0022] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stepper motor end protective cover structure, comprising a stepper motor body (111), wherein the stepper motor body (111) is a power output device, characterized in that, Also includes: The protective mechanism (2) abuts against the right end of the stepper motor body (111). The protective mechanism (2) is used to protect the stepper motor body (111) and to dissipate heat and prevent dust. The protective mechanism (2) includes an installation component (21), which includes a detachable protective cover (211) with a plurality of triangular limiting rings (219) arranged in the inner circle of the protective cover (211).

2. The stepper motor end protective cover structure according to claim 1, characterized in that, The protective mechanism (2) also includes: Heat dissipation and dust prevention component (22) is disposed inside the protective cover (211) and is used to dissipate heat and prevent dust from the stepper motor body (111); A sealing component (23) is provided at the connection between the protective cover (211) and the stepper motor body (111). The sealing component (23) is used to fill the gap between the protective cover (211) and the stepper motor body (111).

3. The stepper motor end protective cover structure according to claim 1, characterized in that, A fixing ring (212) is welded to the right side of the stepper motor body (111). A triangular limiting ring groove (215) is opened on the inner wall of the fixing ring (212). An inner ring (216) is welded to the left side of the inside of the protective cover (211). Several mounting bolts (213) are connected to the left side of the inside of the protective cover (211). A grid (214) is welded to the inner wall of the right side of the protective cover (211). The fixing ring (212) has several holes inside, and several mounting bolts (213) reinforce the protective cover (211) and the fixing ring (212) through the several holes.

4. The stepper motor end protective cover structure according to claim 3, characterized in that, The inner ring (216) has a plurality of cavities (217) on its outer ring. The inner walls of the plurality of cavities (217) are connected to a plurality of springs (218). The interior of the plurality of cavities (217) is slidably connected to the exterior of the triangular limiting ring (219). The side of the plurality of springs (218) away from the inner wall of the cavity (217) is connected to the side of the triangular limiting ring (219) close to the cavity (217). The side of the plurality of triangular limiting rings (219) away from the springs (218) is in contact with the inner wall of the triangular limiting ring groove (215). Among them, the interior of several of the triangular limiting ring grooves (215) is adapted to the side of several triangular limiting rings (219) away from the spring (218), and the gap between the inner ring (216) and the protective cover (211) is adapted to the exterior of the fixing ring (212).

5. The stepper motor end protective cover structure according to claim 2, characterized in that, The heat dissipation and dustproof assembly (22) includes an inner spiral protrusion (223). The outer ring of the inner spiral protrusion (223) is welded to the inner wall of the protective cover (211). The inner spiral protrusion (223) is located on the side of the inner ring (216) away from the stepper motor body (111). A positioning ring (224) is provided on the right side of the inner spiral protrusion (223). The positioning ring (224) is welded to the inner wall of the protective cover (211).

6. The stepper motor end protective cover structure according to claim 5, characterized in that, The positioning ring (224) is located on the left side of the grille (214). A filter screen (222) is inserted inside the positioning ring (224). The filter screen (222) passes through the protective cover (211) and extends to the top. An installation ring (221) is provided above the protective cover (211). The bottom of the installation ring (221) is welded to the top of the filter screen (222). The positioning ring (224) is semi-circular, the mounting ring (221) is semi-circular, the interior of the positioning ring (224) is adapted to the outer surface of the filter screen (222), and the interior of the positioning ring (224) is anti-slip.

7. The stepper motor end protective cover structure according to claim 2, characterized in that, The sealing assembly (23) includes a sealing ring one (231), which is disposed in the inner ring of the fixing ring (212). The left side of the sealing ring one (231) is connected to the right side of the stepper motor body (111). The side of the sealing ring one (231) away from the stepper motor body (111) is in contact with the left side of the inner ring (216). A sealing ring two (232) is disposed in the gap between the inner ring (216) and the protective cover (211). The right side of the sealing ring two (232) is connected to the inner wall of the protective cover (211), and the left side of the sealing ring two (232) is in contact with the right side of the fixing ring (212).

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