Transmission structure for a stepper motor

Abstract

The application provides a transmission structure for a stepping motor, and relates to the technical field of stepping motor transmission. The transmission structure comprises a box body located at the front end of the output shaft of the stepping motor. A transmission part is connected between the box body and the output shaft of the stepping motor. A circular connecting seat is arranged between the box body and the stepping motor. A connecting pipe is sleeved on the outer surface of the circular connecting seat. Two mounting seats are fixedly connected to the connecting pipe. A fixing piece is arranged between the connecting pipe and the circular connecting seat. The application sets the circular connecting seat between the box body and the stepping motor. The connecting pipe is sleeved on the outer surface of the circular connecting seat. The two mounting seats are fixedly connected to the connecting pipe. The connecting pipe and the circular connecting seat can rotate. The position of the mounting seat can be adjusted. The mounting seat can be adjusted according to the angle of the supporting surface. The use requirement of the supporting surface with different angles can be met.

Description

Technical Field

[0001] This utility model relates to the field of stepper motor transmission technology, and more specifically, to a transmission structure for a stepper motor. Background Technology

[0002] As a core actuator, the stepper motor is widely used to achieve precise position control and speed regulation. The transmission structure of the stepper motor converts the rotational motion of the motor into the required linear motion to meet the driving requirements of mechanical components in different application scenarios. Existing stepper motor drive structures mostly feature fixed mounting components, which presents significant limitations when facing different support surfaces. Therefore, we propose an improved drive structure for stepper motors. Utility Model Content

[0003] This utility model provides a transmission structure for a stepper motor, including a housing located at the front end of the output shaft of the stepper motor. A transmission part is connected between the housing and the output shaft of the stepper motor. A circular connecting seat is provided between the housing and the stepper motor. A connecting tube is sleeved on the outer surface of the circular connecting seat. Two mounting seats are fixedly connected to the connecting tube, and a fixing member is provided between the connecting tube and the circular connecting seat.

[0004] As a preferred technical solution of this application, a gap is left between the two mounting seats, and mounting holes are provided on the mounting seats.

[0005] As a preferred technical solution of this application, the fastener includes a plurality of through holes formed on the connecting pipe and a plurality of second threaded grooves formed on the circular connecting seat, wherein a bolt is provided between the second threaded groove and the through hole.

[0006] As a preferred technical solution of this application, the fastener further includes a plurality of threaded holes, all of which are formed on the connecting pipe and are located on one side of the through hole.

[0007] As a preferred technical solution of this application, the transmission part includes a gear located inside the housing, and the output shaft of the stepper motor passes through the circular connecting seat and extends into the housing and is connected to the gear.

[0008] As a preferred technical solution of this application, the gear is meshed with a rack, the rack is fixedly connected to a transmission rod, and the two ends of the transmission rod and the rack pass through the box and extend to both sides of the box respectively.

[0009] As a preferred technical solution of this application, two sleeves are provided between the outer surfaces of the transmission rod and the rack, and the two sleeves are respectively fixedly installed on both sides of the box body.

[0010] As a preferred technical solution of this application, one end of the transmission rod is provided with a first threaded groove.

[0011] As a preferred technical solution of this application, a protective plate is bolted to the side of the box body away from the circular connecting seat, and a sealing gasket is provided at the connection between the protective plate and the box body.

[0012] As a preferred technical solution of this application, an indicator ring is fixedly sleeved on the outer surface of the connecting tube, the indicator ring is provided with a scale, and an indicator arrow located on one side of the indicator ring is connected to the top of the box.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: This application provides a circular connecting seat between the housing and the stepper motor, and a connecting tube is fitted on the outer surface of the circular connecting seat. Two mounting seats are fixedly connected to the connecting tube. The connecting tube and the circular connecting seat can rotate, thereby adjusting the position of the mounting seats. This allows the mounting seats to be adjusted according to the angle of the support surface, meeting the usage requirements of support surfaces with different angles. Attached Figure Description

[0014] Figure 1 A schematic diagram of the transmission structure for the stepper motor provided in this application; Figure 2 A bottom view of the transmission structure for the stepper motor provided in this application; Figure 3 This is a schematic diagram of the internal structure of the box provided in this application; Figure 4 An exploded view of the transmission structure for the stepper motor provided in this application; Figure 5 An exploded view of the transmission structure for the stepper motor provided in this application from another perspective; Figure 6 This is a schematic diagram of the threaded groove provided in this application.

[0015] The image shows: 2. Box body; 201. Protective plate; 202. Transmission rod; 203. Rack; 204. First threaded groove; 205. Sleeve; 206. Gear; 3. Circular connecting seat; 301. Connecting pipe; 302. Threaded hole; 303. Second threaded groove; 304. Mounting seat; 305. Mounting hole; 306. Through hole; 4. Indicator ring; 401. Indicator arrow. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention 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 invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0017] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0018] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0019] For an example, please refer to... Figures 1-6 A transmission structure for a stepper motor includes a housing 2 located at the front end of the output shaft of the stepper motor. A transmission part is connected between the housing 2 and the output shaft of the stepper motor. A circular connecting seat 3 is provided between the housing 2 and the stepper motor. The housing 2, the stepper motor and the circular connecting seat 3 are connected by bolts. A connecting tube 301 is sleeved on the outer surface of the circular connecting seat 3. Two mounting seats 304 are fixedly connected to the connecting tube 301. The mounting seats 304 are welded to the connecting tube 301, and a fixing member is provided between the connecting tube 301 and the circular connecting seat 3. For ease of understanding, this application uses A to represent a stepper motor, and it is labeled in the figure.

[0020] Furthermore, a gap is left between the two mounting bases 304, and mounting holes 305 are provided on the mounting bases 304. The mounting holes 305 are used to cooperate with bolts to fix the mounting bases 304 to the supporting object.

[0021] Furthermore, the fastener includes several through holes 306 opened on the connecting pipe 301 and several second threaded grooves 303 opened on the circular connecting seat 3. Bolts are provided between the second threaded grooves 303 and the through holes 306. There are eight second threaded grooves 303 and four through holes 306. The arrangement of the eight second threaded grooves 303 meets the installation requirements of the mounting seat 304 in horizontal, vertical and 45-degree tilt positions. The second threaded grooves 303 and the through holes 306 are equidistantly distributed.

[0022] Furthermore, the fastener also includes several threaded holes 302, all of which are opened on the connecting pipe 301. The threaded holes 302 are located on one side of the through hole 306. In addition to using the through hole 306, the second threaded groove 303, and the bolt to fix the connecting pipe 301 and the circular connecting seat 3, the bolt can also be screwed into the threaded hole 302 so that the end of the bolt abuts against the outer surface of the circular connecting seat 3. This arrangement allows the mounting seat 304 to be installed at any angle.

[0023] Furthermore, the transmission unit includes a gear 206 located inside the housing 2. The output shaft of the stepper motor passes through the circular connecting seat 3 and extends into the housing 2 and is connected to the gear 206. The gear 206 and the output shaft of the stepper motor are connected by bolts.

[0024] Furthermore, the gear 206 is meshed with the rack 203, and the rack 203 is fixedly connected to the transmission rod 202. The two ends of the transmission rod 202 and the rack 203 pass through the box 2 and extend to both sides of the box 2 respectively. The stepper motor can drive the transmission rod 202 to move through the gear 206 and the rack 203, and realize transmission through the transmission rod 202.

[0025] Furthermore, two sleeves 205 are fitted between the outer surfaces of the transmission rod 202 and the rack 203. The two sleeves 205 are fixedly installed on both sides of the housing 2. The sleeves 205 can play an auxiliary guiding role for the transmission rod 202 to improve the stability of the transmission rod 202 when it moves.

[0026] Furthermore, a first threaded groove 204 is provided at one end of the transmission rod 202, which facilitates the connection of the transmission rod 202 with the driven component.

[0027] Furthermore, a protective plate 201 is bolted to the side of the box body 2 away from the circular connecting seat 3, and a sealing gasket is provided at the connection between the protective plate 201 and the box body 2.

[0028] Furthermore, an indicator ring 4 is fixedly sleeved on the outer surface of the connecting pipe 301. The indicator ring 4 is welded to the outer surface of the connecting pipe 301 and has a scale. An indicator arrow 401 located on one side of the indicator ring 4 is connected to the top of the box 2. The indicator arrow 401 is welded to the box 2. The cooperation between the indicator arrow 401 and the scale can indicate the angle of the mounting base 304, which is convenient for reference during adjustment.

[0029] The usage process of the stepper motor transmission structure provided by this utility model is as follows: The mounting base 304 can be adjusted at multiple angles by the cooperation of the connecting pipe 301 and the circular connecting seat 3 to meet the needs of different installation scenarios. The specific operation is as follows: For standard angle installation, i.e., horizontal, vertical, and 45-degree tilt: observe the indicator ring 4 on the outer surface of the connecting tube 301 and the indicator arrow 401 on the top of the box 2. Rotate the connecting tube 301 so that the indicator arrow 401 points to the corresponding angle scale on the indicator ring 4. At this time, the through hole 306 on the connecting tube 301 is aligned with the second threaded groove 303 on the circular connecting seat 3. Pass the bolt through the through hole 306 on the connecting tube 301 and screw it into the corresponding second threaded groove 303 on the circular connecting seat 3. Tighten all the bolts one by one to ensure that the connecting tube 301 and the circular connecting seat 3 are fixed and do not rotate relative to each other. Installation at any angle: Rotate the connecting pipe 301 and adjust the mounting base 304 to the required angle according to the scale of the indicator ring 4. Screw the bolt into the threaded hole 302 on the connecting pipe 301 until the end of the bolt is tightly pressed against the outer surface of the circular connecting base 3. Fixing at any angle is achieved by tightening force. The mounting base 304 with the adjusted angle is placed against the mounting surface of the supported object, so that the mounting hole 305 on the mounting base 304 is aligned with the reserved hole of the supported object. The bolt is inserted and tightened to complete the fixing of the transmission structure to the supported object. The driven component is connected to the transmission rod 202 by using bolts and the first threaded groove 204. The stepper motor can drive the transmission rod 202 to move through the gear 206 and rack 203, and the transmission is realized through the transmission rod 202.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A transmission structure for a stepper motor, characterized in that, The device includes a housing (2) located at the front end of the output shaft of a stepper motor. A transmission part is connected between the housing (2) and the output shaft of the stepper motor. A circular connecting seat (3) is provided between the housing (2) and the stepper motor. A connecting tube (301) is sleeved on the outer surface of the circular connecting seat (3). Two mounting seats (304) are fixedly connected to the connecting tube (301), and a fixing member is provided between the connecting tube (301) and the circular connecting seat (3).

2. The transmission structure for a stepper motor according to claim 1, characterized in that, A gap is left between the two mounting bases (304), and mounting holes (305) are provided on the mounting bases (304).

3. The transmission structure for a stepper motor according to claim 1, characterized in that, The fastener includes several through holes (306) opened on the connecting pipe (301) and several second threaded grooves (303) opened on the circular connecting seat (3), and bolts are provided between the second threaded grooves (303) and the through holes (306).

4. The transmission structure for a stepper motor according to claim 3, characterized in that, The fastener also includes a plurality of threaded holes (302), all of which are provided on the connecting pipe (301) and are located on one side of the through hole (306).

5. The transmission structure for a stepper motor according to claim 1, characterized in that, The transmission unit includes a gear (206) located inside the housing (2), and the output shaft of the stepper motor passes through the circular connecting seat (3) and extends into the housing (2) and is connected to the gear (206).

6. The transmission structure for a stepper motor according to claim 5, characterized in that, The gear (206) is meshed with a rack (203), and the rack (203) is fixedly connected to a transmission rod (202). The two ends of the transmission rod (202) and the rack (203) pass through the box (2) and extend to both sides of the box (2).

7. The transmission structure for a stepper motor according to claim 6, characterized in that, Two sleeves (205) are fitted between the outer surfaces of the transmission rod (202) and the rack (203), and the two sleeves (205) are respectively fixedly installed on both sides of the box body (2).

8. The transmission structure for a stepper motor according to claim 7, characterized in that, One end of the transmission rod (202) is provided with a first threaded groove (204).

9. The transmission structure for a stepper motor according to claim 8, characterized in that, The side of the box (2) away from the circular connecting seat (3) is connected to a protective plate (201) by bolts, and a sealing gasket is provided at the connection between the protective plate (201) and the box (2).

10. The transmission structure for a stepper motor according to claim 1, characterized in that, The outer surface of the connecting tube (301) is fixedly fitted with an indicator ring (4), the indicator ring (4) is provided with a scale, and the top of the box (2) is connected to an indicator arrow (401) located on one side of the indicator ring (4).

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