A biasing device

Abstract

The utility model discloses a kind of biasing device, it belongs to eccentric equipment technical field, it solves the technical problem of existing biasing distance unadjustable or complex adjustment in prior art.The utility model includes input shaft and output shaft, transmission part is connected on input shaft and output shaft, transmission part includes driving gear and driven gear, intermediate gear is connected between driving gear and driven gear, driving gear, intermediate gear, driven gear form bevel gear transmission structure, output shaft is connected with distance adjustment mechanism, distance adjustment mechanism is equipped with adjustment module, and the axial distance between output shaft and input shaft can be adjusted by adjustment module.The utility model is simple in structure, power transmission is stable, and strong in adaptability, without replacing equipment, multiple operation scenarios can be covered, and the dynamic adjustment of biasing distance of biasing device is realized by power transmission and position adjustment, meet multiple field operation conditions, greatly improve the multiplicity of biasing device, reduce the equipment investment cost of multiple scene operation.

Description

Technical Field

[0001] This utility model belongs to the field of eccentric device technology, and more specifically, it relates to an offset device. Background Technology

[0002] In the field of mechanical transmission, the offset device, as a key component for realizing non-coaxial power transmission between the input and output shafts, is widely used in various industries such as construction machinery, automobile manufacturing, and agricultural machinery. Its core function is to meet the transmission space layout requirements of different equipment by setting a fixed offset distance between the input and output shafts while ensuring stable power transmission.

[0003] However, currently, biasers generally suffer from the technical limitation of fixed bias distances. Traditional biasers typically have non-adjustable bias distances. Once the biaser is manufactured and assembled, the axial distance between its input and output shafts cannot be adjusted. This limits its use to a single device adaptable to a single scenario. If different bias distances are required for different operating scenarios, different specifications of equipment must be replaced, resulting in poor flexibility, significantly increased costs, and increased difficulty in inventory management and maintenance due to the complexity of equipment models. Although some structures with adjustable bias distances exist, they are usually complex, costly, and involve cumbersome adjustment procedures. Therefore, how to provide a biaser with a simpler structure and adjustable bias distance, while improving its reusability, has become a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] This invention addresses the technical problem of non-adjustable or complex offset distance adjustment in existing technologies by providing an offset device with adjustable offset distance.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: An offset device includes an input shaft and an output shaft. A transmission part is connected to the input shaft and the output shaft. The transmission part includes a driving gear and a driven gear. An intermediate gear is connected between the driving gear and the driven gear. The driving gear, the intermediate gear, and the driven gear form a triangular gear transmission structure. The output shaft is connected to a distance adjustment mechanism. The distance adjustment mechanism is provided with an adjustment module. The axial distance between the output shaft and the input shaft can be adjusted through the adjustment module.

[0006] Preferably, an input shaft fixing plate is connected to the input shaft, and an output shaft fixing plate is connected to the output shaft; the distance adjustment mechanism includes a distance adjustment rod, which is connected to the output shaft fixing plate, and the distance adjustment rod can adjust the distance between the input shaft fixing plate and the output shaft fixing plate.

[0007] Preferably, the distance adjustment rod is provided with an external thread, and the end of the distance adjustment rod is axially fixedly connected to the output shaft fixing plate. Rotating the distance adjustment rod can adjust the distance between the input shaft fixing plate and the output shaft fixing plate, and thus adjust the distance between the driving gear and the driven gear.

[0008] Preferably, the adjustment module includes a first adjustment block and a second adjustment block. The first adjustment block is movably connected to the distance adjustment rod, the first adjustment block is fixedly connected to the input shaft fixing plate, and the second adjustment block is fixedly connected to the output shaft fixing plate. The first adjustment block is provided with an internal thread, and the distance adjustment rod passes through the first adjustment block and is axially fixedly connected to the second adjustment block.

[0009] Preferably, the adjustment module includes an adjustment hole on the input shaft fixing plate and a fixing hole on the output shaft fixing plate. The adjustment hole has an internal thread. The adjustment hole and the fixing hole are arranged along the axial direction of the distance adjustment rod. The distance adjustment rod passes through the adjustment hole and is axially fixedly connected to the fixing hole.

[0010] Preferably, the adjustment module includes an adjustment slot and an adjustment spring that are interlocked with each other. The adjustment slot has a groove or notch that matches the adjustment spring. The upper end of the distance adjustment rod is axially fixedly connected to the output shaft fixing plate.

[0011] Preferably, the driving gear and the intermediate gear mesh with each other and are connected by a first connecting plate, the driven gear and the intermediate gear mesh with each other and are connected by a second connecting plate, the intermediate gear is connected to an intermediate shaft, and the intermediate shaft is connected to the first connecting plate and the second connecting plate.

[0012] Preferably, the input shaft fixing plate and the output shaft fixing plate are vertically arranged along the same axis, and a guide part is provided between the upper end of the input shaft fixing plate and the lower end of the output shaft fixing plate. The guide part includes a guide post and a guide hole that are adapted to each other.

[0013] Preferably, the input shaft fixing plate and the output shaft fixing plate are provided with guide parts. The guide parts include guide grooves and guide bars that are adapted to each other. The guide grooves include a first guide groove provided on the side of the output shaft fixing plate and a second guide groove provided on the side of the input shaft fixing plate. The first guide groove is a groove structure with an open bottom end, and the second guide groove is a groove structure with an open top end and a closed bottom end. The lower end of the guide bar is provided in the second guide groove.

[0014] Preferably, it also includes an input shaft housing and an output shaft housing, with a side dustproof plate on the side of the output shaft housing and a retractable corrugated plate between the output shaft housing and the input shaft housing.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This invention achieves dynamic adjustment of the offset distance of the offset device through power transmission and position adjustment. The axial distance between the output and input shafts can be adjusted via an adjustment module, allowing for a fixed power transmission path while the output position can be adjusted as needed, adapting to the flexible requirements of offset distance adjustment in different scenarios. This invention features a simple structure, stable power transmission, and strong adaptability. It can cover multiple operating scenarios without replacing equipment, meeting various operating conditions, significantly improving the reusability of the offset device, and reducing equipment investment costs for multi-scenario operations. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an exploded view of the structure of Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the connection structure of the input shaft fixing plate and the output shaft fixing plate of this utility model. Figure 3 This is a partial structural schematic diagram of Embodiment 1 of the present utility model; Figure 4 This is a schematic diagram showing the connection positions of the first connecting plate and the second connecting plate in Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the guide portion according to one embodiment of the present invention; Figure 6 This is a schematic diagram of the output shaft housing according to one embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of the input shaft housing according to one embodiment of the present invention; Figure 8 This is an exploded view of the structure of Embodiment 2 of this utility model; Figure 9 This is a schematic diagram of the distance adjustment rod in Embodiment 2 of this utility model; Figure 10 This is a schematic diagram of the structure of the adjusting snap ring in Embodiment 2 of this utility model.

[0018] Explanation of symbols in the diagram: 1. Input shaft; 2. Output shaft; 3. Driving gear; 4. Driven gear; 5. Intermediate gear; 6. Distance adjustment mechanism; 61. Distance adjustment rod; 62. First adjusting block; 63. Second adjusting block; 64. Adjusting slot; 65. Adjusting snap ring; 7. Input shaft fixing plate; 8. Output shaft fixing plate; 9. First connecting plate; 10. Second connecting plate; 11. Guide post; 12. Guide hole; 13. Guide groove; 131. First guide groove; 132. Second guide groove; 14. Guide strip; 15. Input shaft housing; 16. Output shaft housing; 17. Side dustproof plate; 18. Telescopic corrugated plate; 19. Connecting surface. Detailed Implementation

[0019] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0020] Example 1 Please see Figure 1 This utility model provides an offset device, including an input shaft 1 and an output shaft 2. A transmission part is connected to the input shaft 1 and the output shaft 2. The transmission part includes a driving gear 3 and a driven gear 4. An intermediate gear 5 is connected between the driving gear 3 and the driven gear 4. The driving gear 3, the intermediate gear 5, and the driven gear 4 form a triangular gear transmission structure. The output shaft 2 is connected to a distance adjustment mechanism 6. The distance adjustment mechanism 6 is provided with an adjustment module. The axial distance between the output shaft 2 and the input shaft 1 can be adjusted through the adjustment module.

[0021] This invention achieves dynamic adjustment of the offset distance of the offset device through power transmission and position adjustment. The axial distance between the output shaft 2 and the input shaft 1 can be adjusted via an adjustment module, allowing for a fixed power transmission path while the output position can be adjusted as needed, adapting to the flexible requirements of offset distance adjustment in different scenarios. This invention features a simple structure, stable power transmission, and strong adaptability. It can cover multiple operating scenarios without replacing equipment, meeting various operating conditions, significantly improving the reusability of the offset device, and reducing equipment investment costs for multi-scenario operations.

[0022] In this embodiment, the driving gear 3 is fixedly mounted on the input shaft 1, the driven gear 4 is fixedly mounted on the output shaft 2, the input shaft 1 is connected to the input shaft 1, and the output shaft 2 is connected to the output shaft 2. The input shaft 7 and the output shaft 8 are connected.

[0023] Specifically, such as Figure 1 , Figure 2As shown, the input shaft fixing plate 7 and the output shaft fixing plate 8 are vertically arranged along the same axis. The input shaft 1 is perpendicular to the input shaft fixing plate 7, and the output shaft 2 is perpendicular to the output shaft fixing plate 8. The input shaft fixing plate 7 and the output shaft fixing plate 8 are respectively located at the ends of the input shaft 1 and the output shaft 2. The input shaft fixing plate 7 and the output shaft fixing plate 8 are provided with mounting holes for mounting the input shaft 1 and the output shaft 2. The input shaft fixing plate 7 and the output shaft fixing plate 8 are respectively located on the outer side of the ends of the driving gear 3 and the driven gear 4. The output shaft fixing plate 8 can move axially under the adjustment action of the distance adjustment mechanism 6, thereby changing the distance between the driving gear 3 and the driven gear 4.

[0024] In this embodiment, as Figure 3 As shown, the distance adjustment mechanism 6 includes a distance adjustment rod 61, an adjustment module is movably connected to the distance adjustment rod 61, the end of the distance adjustment rod 61 is connected to the output shaft fixing plate 8, and the distance adjustment rod 61 can adjust the distance between the input shaft fixing plate 7 and the output shaft fixing plate 8.

[0025] The distance adjustment rod 61 is set in a direction parallel to the axis of the input shaft fixing plate 7 and the output shaft fixing plate 8. The distance adjustment rod 61 includes a control section, an adjustment section, and a connecting section arranged sequentially from bottom to top. The control section is located at the bottom of the distance adjustment rod 61. The distance adjustment rod 61 is axially fixed to the output shaft fixing plate 8 through the connecting section. Thus, by rotating the control section of the distance adjustment rod 61, the adjustment rod can be raised, thereby driving the output shaft fixing plate 8 connected to the connecting section to move upward. Through the transmission cooperation of the driving gear 3, the driven gear 4, and the intermediate gear 5, the distance between the input shaft 1 and the output shaft 2 can be changed, thereby adjusting the distance between the driving gear 3 and the driven gear 4.

[0026] The distance adjustment rod 61 is a rod-shaped structure, and the control section at its bottom is a rotating handle structure. Rotating the control section can drive the distance adjustment rod 61 to rotate as a whole. The distance adjustment rod 61 is provided with an external thread, which is located in the adjustment section in the middle of the adjustment rod. The adjustment module is threadedly connected to the adjustment section of the distance adjustment rod 61, so the axial position of the adjustment module in the adjustment section can be adjusted by rotating the distance adjustment rod 61.

[0027] In this embodiment, the adjustment module includes a first adjustment block 62 and a second adjustment block 63. The first adjustment block 62 and the second adjustment block 63 are provided with mounting holes on their inner sides. The first adjustment block 62 and the second adjustment block 63 are both sleeved on the distance adjustment rod 61 through the mounting holes. The first adjustment block 62 is located at the upper end of the second adjustment block 63, and the first adjustment block 62 is axially fixedly connected to the distance adjustment rod 61. The second adjustment block 63 is movably connected to the distance adjustment rod 61. Thus, the relative distance between the first adjustment block 62 and the second adjustment block 63 can be adjusted by rotating the distance adjustment rod 61 through the thread of the adjustment section on the distance adjustment rod 61.

[0028] Furthermore, both the first adjusting block 62 and the second adjusting block 63 are block structures. The end of the second adjusting block 63 is fixedly connected to the input shaft fixing plate 7, and the end of the first adjusting block 62 is fixedly connected to the output shaft fixing plate 63. The inner circumference of the mounting hole of the second adjusting block 63 is provided with an internal thread. The second adjusting block 63 is threadedly connected to the adjusting section of the distance adjusting rod 61, so that the distance adjusting rod 61 passes through the second adjusting block 63 and is axially fixedly connected to the first adjusting block 62. When the control section of the distance adjusting rod 61 is rotated, the distance between the first adjusting block 62 and the second adjusting block 63 increases, the adjusting rod rises, and drives the first adjusting block 62 to move upward, thereby completing the adjustment of the distance between the input shaft 1 and the output shaft 2.

[0029] Furthermore, as a preferred embodiment, the position of the distance adjustment rod 61 can be adjusted according to actual usage needs (different working conditions and operating habits, different size adaptation requirements), increasing the flexibility of the structural setup and the adaptability of the device, optimizing the variability of the adjustment rod position, and further meeting the needs of different working conditions in multiple occasions.

[0030] Specifically, the distance adjustment rod 61 can be set in the same axial direction as the input shaft fixing plate 7 and the output shaft fixing plate 8. The distance adjustment rod 61 passes through the input shaft fixing plate 7 and the output shaft fixing plate 8 from bottom to top, and the upper end of the distance adjustment rod 61 is fixedly connected to the output shaft fixing plate 8.

[0031] In this embodiment, the adjustment module includes an adjustment hole and a fixing hole. The adjustment hole is located on the inner circumference of the input shaft fixing plate 7 and has an internal thread, which can be threaded to the distance adjustment rod 61. The fixing hole is located on the output shaft fixing plate 8, and the adjustment hole and the fixing hole are located in the same axial direction. The adjustment hole is a through hole structure that passes through the input shaft fixing plate 7, and the fixing hole is a circular hole structure that is open at the bottom and closed at the top. The distance adjustment rod 61 passes through the threaded adjustment hole on the input shaft fixing plate 7 and is connected to the fixing hole on the output shaft fixing plate 8. The upper end of the distance adjustment rod 61 is fixedly connected to the fixing hole. The distance between the driving gear 3 and the driven gear 4 can be changed by rotating the distance adjustment rod 61.

[0032] Furthermore, as a preferred embodiment, the specific shape of the distance adjustment rod 61 can be adjusted according to the actual working conditions. The control section is a rotating handle structure, which can be adapted and adjusted according to the operation requirements. The axial length of the external thread of the adjustment section can be adapted and set according to the offset distance adjustment requirements.

[0033] In this embodiment, as Figure 1As shown, the driving gear 3 and the intermediate gear 5 mesh with each other and are connected by the first connecting plate 9. The driven gear 4 and the intermediate gear 5 mesh with each other and are connected by the second connecting plate 10. An intermediate shaft is connected to the intermediate gear 5, and the intermediate shaft is connected to the first connecting plate 9 and the second connecting plate 10.

[0034] Specifically, such as Figure 4 As shown, the first connecting plate 9 and the second connecting plate 10 are both disposed on the outer sides of the input shaft fixing plate 7 and the output shaft fixing plate 8. The first connecting plate 9 is fitted against the outer side of the second connecting plate 10. The first connecting plate 9 and the second connecting plate 10 have an oblong plate structure, and both ends of the first connecting plate 9 and the second connecting plate 10 are provided with circular mounting holes. The two ends of the first connecting plate 9 are connected to the input shaft 1 and the intermediate shaft respectively through the mounting holes, and the two ends of the second connecting plate 10 are connected to the output shaft 2 and the intermediate shaft respectively through the mounting holes. The first connecting plate 9 and the second connecting plate 10 are set at an angle, and the end connected to them is coaxial with the intermediate shaft. Therefore, when the distance adjustment rod 61 is rotated, the adjustment rod rises, which can drive the output shaft fixing plate 8 to move upward, thereby changing the included angle between the first connecting plate 9 and the second connecting plate 10. The included angle increases, and the distance between the input shaft 1 and the output shaft 2 is changed accordingly.

[0035] Furthermore, as a preferred embodiment, such as Figure 1 As shown, the biasing device is provided with two input shaft fixing plates 7 and an output shaft fixing plate 8. An input shaft fixing plate 7 and an output shaft fixing plate 8 are respectively provided on both sides of the driving gear 3 and the driven gear 4. A first connecting plate 9 and a second connecting plate 10 are connected to each side of the input shaft fixing plate 7 and the output shaft fixing plate 8 to realize synchronous rotation when adjusting the bias distance.

[0036] In this embodiment, as Figure 5 As shown, a guide portion is provided between the upper end of the input shaft fixing plate 7 and the lower end of the output shaft fixing plate 8. The guide portion includes a guide post 11 and a guide hole 12 that are adapted to each other.

[0037] Specifically, the guide post 11 is arranged along the axis of the output shaft fixing plate 8. The guide post 11 serves as a motion guide while connecting the input shaft fixing plate 7 and the output shaft fixing plate 8. The guide hole 12 is provided on the input shaft fixing plate 7 and is a through hole structure arranged along the axis of the input shaft fixing plate 7. The upper end of the guide post 11 is fixedly connected to the output shaft fixing plate 8, and the lower end of the guide post 11 is movably connected within the guide hole 12. When the output shaft fixing plate 8 is moved upwards through adjustment, the end of the guide post 11 can move axially within the guide hole 12, providing precise guidance and ensuring reliable movement of the output shaft fixing plate 8.

[0038] Furthermore, in practical applications, the positions of the guide post 11 and guide hole 12 can be adapted and adjusted according to usage requirements. The guide hole 12 can be set on the output shaft fixing plate 8, while the lower end of the guide post 11 is fixedly connected to the input shaft fixing plate 7. The upper end of the guide post 11 is set in the guide hole 12, and the upper end of the guide post 11 can move axially within the guide hole 12 to achieve precise guidance and prevent movement deviation.

[0039] In this embodiment, the guide post 11 is a cylindrical structure, and the cross-section of the guide hole 12 is a circular structure adapted to the guide post 11. The specific shapes of the guide post 11 and the guide hole 12 can also be adapted and adjusted as needed. For example, the guide post 11 can be set as a square post, a rhomboid post, or other irregular shapes.

[0040] Furthermore, such as Figure 2 , Figure 4 As shown in the preferred embodiment, in order to further increase the mobility reliability of the output shaft fixing plate 8, a second guide portion is provided on the output shaft fixing plate 8. The second guide portion includes a guide groove 13 and a guide bar 14 that are adapted to each other and connected. The guide groove 13 and the guide bar 14 are provided on the outer side of the output shaft fixing plate 8.

[0041] Specifically, such as Figure 4 , Figure 5 As shown, the guide groove 13 includes a first guide groove 131 and a second guide groove 132. A guide bar 14 is disposed in the guide groove 13. The first guide groove 131 is disposed on the output shaft fixing plate 8, and the second guide groove 132 is disposed on the input shaft fixing plate 7. The first guide groove 131 and the second guide groove 132 are disposed in the same axial direction, and the guide bar 14 is disposed parallel to the distance adjustment rod 61. Thus, when the distance adjustment rod 61 adjusts the offset distance, the precise guidance of the movement of the output shaft fixing plate 8 is achieved through the cooperation of the guide groove 13 and the guide bar 14.

[0042] In this embodiment, the first guide groove 131 is a groove structure with an open bottom, and the second guide groove 132 is a groove structure with an open top and a closed bottom. The lower end of the guide bar 14 is disposed in the second guide groove 132, and the upper end of the guide bar 14 passes through the first guide groove 131 and extends outward.

[0043] Furthermore, as a preferred embodiment, the guide groove 13 and guide bar 14 are square structures. In practical applications, the structure of the guide groove 13 and guide bar 14 can be adapted and adjusted according to usage requirements. The cross-section can be set as a circle or other polygonal structure. The first guide groove 131 can be a groove structure with open ends. The positions of the guide groove 13 and guide bar 14 are not limited to a fixed form. The positions of the first guide groove 131 and the second guide groove 132 can be interchanged. In this case, the first guide groove 131 is set on the input shaft fixing plate 7, the second guide groove 132 is set on the output shaft fixing plate 8, the upper end of the guide bar 14 is set in the second guide groove 132, and the lower end of the guide bar 14 passes through the first guide groove 131 and extends outward. Moreover, according to the guiding requirements, second guide parts can be simultaneously set on the outer sides of the output shaft fixing plates 8 on both sides to achieve precise guidance and prevent movement deviation.

[0044] Furthermore, in this embodiment, as Figure 1 As shown, the biaser also includes an input shaft housing 15 and an output shaft housing 16. The two housings are respectively located on the outside of the input shaft 1 and the output shaft 2. By setting protective housings outside the internal drive structure and transmission structure, a physical barrier is formed to prevent dust, debris and other foreign matter from entering the biaser during operation and bias distance adjustment, thereby ensuring the normal operation of the biaser and extending the service life of the equipment.

[0045] Specifically, such as Figure 6 , Figure 7 As shown, the input shaft housing 15 is fixedly connected to the output shaft housing 16. The side of the output shaft housing 16 is provided with a side dustproof plate 17, and the bottom end face of the output shaft housing 16 is provided with a retractable corrugated plate 18. The end face where the input shaft housing 15 and the output shaft housing 16 meet is provided with a connecting surface 19 that connects to the retractable corrugated plate 18.

[0046] In this embodiment, the retractable corrugated plate 18 can be disposed between the output shaft housing 16 and the input shaft housing 15. It can be disposed on the lower end face of the output shaft housing 16 or the upper end face of the input shaft housing 15. The specific placement position of the retractable corrugated plate 18 can be adjusted according to actual usage requirements.

[0047] Furthermore, the lower part of the input shaft housing 15 is provided with an adjustment through hole through which the distance adjustment rod 61 can pass. The upper end of the distance adjustment rod 61 is located inside the input shaft housing 15, and the control section of the distance adjustment rod 61 is located outside the input shaft housing 15, which facilitates the adjustment of the offset distance.

[0048] Furthermore, the input shaft housing 15 or the output shaft housing 16 can be configured as an integrated structure or a split left and right half-shell fixed connection structure, depending on functional requirements and actual working conditions. The input shaft housing 15 and the output shaft housing 16 can be fixedly connected by bolts or positioning pins and other connecting parts.

[0049] Example 2 like Figure 8 As shown, this embodiment provides an offset device whose main structure is the same as that of Embodiment 1. The main difference lies in the different structure of the distance adjustment rod. The specific implementation method is as follows.

[0050] In this embodiment, as Figure 9 , Figure 10 As shown, the distance adjustment rod 61 is a long rod-shaped structure. Similarly, it is provided with a control section, an adjustment section and a connecting section from bottom to top. The upper end of the distance adjustment rod 61 is axially fixed to the output shaft fixing plate 8 through the connecting section. The adjustment module includes an adjustment slot 64 and an adjustment spring 65 that are interlocked with each other. The adjustment slot 64 is provided with a groove or notch that matches the adjustment spring 65.

[0051] Specifically, the adjusting spring 65 has a fork-shaped structure with a clamping end. The clamping end consists of two symmetrically arranged elastic fork arms, with a clamping space in the middle of the fork arms. The adjusting spring 65 engages with the adjusting groove 64 of the distance adjusting rod 61 through the clamping end. The adjusting groove 64 is located in the adjusting section of the distance adjusting rod 61, which is a round rod-shaped structure. The adjusting groove 64 has several groove structures, which are symmetrically arranged on both sides of the lower part of the distance adjusting rod 61. The groove structures are adapted to the shape of the fork arms of the adjusting spring 65, thereby achieving a matching engagement and ensuring the adjustment effect.

[0052] In this embodiment, the adjusting section of the distance adjusting rod 61 is evenly provided with three adjusting slots 64. The three adjusting slots 64 are arranged along the axial direction of the distance adjusting rod 61. The slots are grooves or notches. The retaining springs are embedded in the corresponding positions of the slots to form a detachable but stable connection, which is convenient for assembly and adjustment. The distance adjusting rod 61 can be adjusted to three offset distances. The fork arm engages with the slots of the distance adjusting rod 61 to limit the axial displacement of the distance adjusting rod 61, making it easy to operate.

[0053] Furthermore, the upper end of the distance adjusting rod 61 can be fixedly connected to the output shaft fixing plate 8 via the first adjusting block 62 as needed. A second adjusting block 63 is also fitted onto the distance adjusting rod 61, and the distance adjusting rod 61 is movably connected to the second adjusting block 63. The distance adjusting rod 61 can move axially within the second adjusting block 63, and the distance adjusting rod 61 is connected to the input shaft fixing plate 7 via the second adjusting block 63. When adjusting the offset distance, pushing the lower end of the distance adjusting rod 61 causes the upper end of the distance adjusting rod 61 to move the output shaft fixing plate 8 upward via the first adjusting block 62, thereby changing the distance between the driving gear 3 and the driven gear 4. After adjustment, the position of the distance adjusting rod is locked by the engagement of the adjusting snap ring 65 and the adjusting slot 64.

[0054] Furthermore, as a preferred embodiment, the connection method of the distance adjustment rod can be adjusted. Adjustment holes can be provided on the input shaft fixing plate 7 and the output shaft fixing plate 8. The upper end of the distance adjustment rod 61 passes through the input shaft fixing plate 7 and is fixedly connected to the output shaft fixing plate 8. At this time, the distance adjustment rod 61 is movably connected to the input shaft fixing plate 7. In this embodiment, the installation of the adjustment block is omitted. The distance adjustment rod 61 is directly connected to the input shaft fixing plate 7 and the output shaft fixing plate 8. By pushing the distance adjustment rod 61, the distance between the driving gear 3 and the driven gear 4 can be adjusted.

[0055] Furthermore, in this embodiment, the settings for the unspecified parts of the biaser structure can be the same as in Embodiment 1, or those skilled in the art can make adaptive modifications based on Embodiment 1. The specific structural shape and quantity of each component can be adapted and adjusted according to the adjustment requirements of the actual working conditions. The number of adjustment slots 64 provided on the distance adjustment rod 61 can be increased and adjusted according to the offset distance adjustment requirements, thereby adapting to different working conditions. The appropriate adjustment method can be selected according to the actual adjustment conditions to meet the working conditions of different offset distance adjustments in multiple occasions.

[0056] This invention provides an offset distance adjuster that dynamically adjusts the offset distance through power transmission and position adjustment. The axial distance between the output and input shafts can be adjusted via an adjustment module, allowing for a fixed power transmission path while the output position can be adjusted as needed, adapting to the flexible offset distance adjustment requirements of different scenarios. This invention features a simple structure, stable power transmission, strong adaptability, and flexible offset distance adjustment. It can cover multiple operating scenarios without replacing the equipment, meeting various operational conditions. This single-device offsetter covers multiple scenarios, significantly improving its reusability and reducing equipment investment costs for multi-scenario operations.

[0057] In the description of this utility model, it should be understood that terms such as “length”, “width”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, and “outer” indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0058] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0059] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A biasing device, comprising an input shaft and an output shaft, wherein a transmission part is connected to the input shaft and the output shaft, characterized in that, The transmission unit includes a driving gear and a driven gear, with an intermediate gear connecting the driving gear and the driven gear. The driving gear, intermediate gear, and driven gear form a triangular gear transmission structure. The output shaft is connected to a distance adjustment mechanism, which is equipped with an adjustment module. The axial distance between the output shaft and the input shaft can be adjusted through the adjustment module.

2. The biasing device according to claim 1, characterized in that, An input shaft fixing plate is connected to the input shaft, and an output shaft fixing plate is connected to the output shaft; the distance adjustment mechanism includes a distance adjustment rod, which is connected to the output shaft fixing plate, and the distance adjustment rod can adjust the distance between the input shaft fixing plate and the output shaft fixing plate.

3. A biasing device according to claim 2, characterized in that, The distance adjustment rod is provided with an external thread, and the end of the distance adjustment rod is axially fixedly connected to the output shaft fixing plate. Rotating and adjusting the distance adjustment rod can adjust the distance between the input shaft fixing plate and the output shaft fixing plate, thereby adjusting the distance between the driving gear and the driven gear.

4. A biasing device according to claim 3, characterized in that, The adjustment module includes a first adjustment block and a second adjustment block. The first adjustment block is axially fixedly connected to the distance adjustment rod, the second adjustment block is movably connected to the distance adjustment rod, and the second adjustment block is fixedly connected to the input shaft fixing plate. The first adjustment block is fixedly connected to the output shaft fixing plate. The second adjustment block is provided with an internal thread, and the distance adjustment rod passes through the second adjustment block and is axially fixedly connected to the first adjustment block.

5. A biasing device according to claim 3, characterized in that, The adjustment module includes an adjustment hole on the input shaft fixing plate and a fixing hole on the output shaft fixing plate. The adjustment hole has an internal thread. The adjustment hole and the fixing hole are arranged along the axial direction of the distance adjustment rod. The distance adjustment rod passes through the adjustment hole and is axially fixedly connected to the fixing hole.

6. A biasing device according to claim 2, characterized in that, The adjustment module includes an adjustment slot and an adjustment spring that are interlocked with each other. The adjustment slot has a groove or notch that matches the adjustment spring. The upper end of the distance adjustment rod is axially fixedly connected to the output shaft fixing plate.

7. A biasing device according to any one of claims 1-6, characterized in that, The driving gear meshes with the intermediate gear and is connected by a first connecting plate. The driven gear meshes with the intermediate gear and is connected by a second connecting plate. An intermediate shaft is connected to the intermediate gear and is connected to the first connecting plate and the second connecting plate.

8. A biasing device according to any one of claims 2-6, characterized in that, The input shaft fixing plate and the output shaft fixing plate are vertically arranged along the same axis. A guide portion is provided between the upper end of the input shaft fixing plate and the lower end of the output shaft fixing plate. The guide portion includes a guide post and a guide hole that are adapted to each other.

9. A biasing device according to any one of claims 2-6, characterized in that, The input shaft fixing plate and the output shaft fixing plate are provided with guide parts. The guide parts include guide grooves and guide bars that are adapted to each other. The guide grooves include a first guide groove provided on the side of the output shaft fixing plate and a second guide groove provided on the side of the input shaft fixing plate. The first guide groove is a groove structure with an open bottom end, and the second guide groove is a groove structure with an open top end and a closed bottom end. The lower end of the guide bar is provided in the second guide groove.

10. A biasing device according to any one of claims 1-6, characterized in that, It also includes an input shaft housing and an output shaft housing. The output shaft housing has a side dustproof plate on its side, and a retractable corrugated plate is provided between the output shaft housing and the input shaft housing.

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