CN105202159A - Driven wheel structure - Google Patents
Driven wheel structure Download PDFInfo
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- CN105202159A CN105202159A CN201510598087.1A CN201510598087A CN105202159A CN 105202159 A CN105202159 A CN 105202159A CN 201510598087 A CN201510598087 A CN 201510598087A CN 105202159 A CN105202159 A CN 105202159A
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- driven wheel
- shaft
- fixed shaft
- shaft section
- bearing
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- 230000000903 blocking effect Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H7/20—Mountings for rollers or pulleys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
- F16H2057/0235—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly specially adapted to allow easy accessibility and repair
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
Description
技术领域technical field
本发明涉及机械手领域，尤其涉及一种便于装拆及调节的被动轮结构。The invention relates to the field of manipulators, in particular to a passive wheel structure that is convenient for assembly, disassembly and adjustment.
背景技术Background technique
随着经济的不断发展及科学技术的不断进步，为企业的发展提供强有力的经济及技术支柱，促使企业朝智能化及高集成化等的方向迈进，而机械手就是企业所研发的智能化的产品中一种。With the continuous development of the economy and the continuous progress of science and technology, it provides a strong economic and technical support for the development of the enterprise, and promotes the enterprise to move towards the direction of intelligence and high integration, and the manipulator is the intelligent machine developed by the enterprise. One of the products.
众所周知，为了减轻操作人员的负担，或者替代操作人员进行危险作业，都离不开机械手的应用。通过机械手去替代操作人员的操作，因而达到提高效果或保护操作人员的目的，因此使得机械手在自动化生产的场合得到广泛地应用。As we all know, in order to reduce the burden on the operator, or replace the operator to perform dangerous operations, the application of manipulator is inseparable. The manipulator is used to replace the operation of the operator, so as to achieve the purpose of improving the effect or protecting the operator, so the manipulator is widely used in the occasion of automatic production.
其中，对于机械手来说，由于其具有多轴运动的功能，故机械手带有多种的驱动装置，而前后传动装置就是驱动装置中的一种。其中，通过前后传动装置，使得机械手中的悬臂能做前后方向的滑动，从而带动连接在悬臂上的手臂跟随悬臂运动，从而满足手臂上的工件抓取装置在较大的活动范围内抓放工件的目的。Among them, for the manipulator, because it has the function of multi-axis movement, so the manipulator has a variety of driving devices, and the front and rear transmission devices are one of the driving devices. Among them, through the front and rear transmission device, the cantilever in the manipulator can slide forward and backward, so as to drive the arm connected to the cantilever to follow the movement of the cantilever, so as to satisfy the workpiece grabbing device on the arm to pick and place workpieces within a large range of motion. the goal of.
目前，前后传动装置中的被动轮是通过螺母连接件而直接固定在机械手的架体上，因此，每次装拆被动轮都需要借助板手等工具拧松螺母后才能将被动轮拆卸下来，同样，在被动轮调节过程中也需要借助板手等工具拧松螺母，所以，使得被动轮的装拆麻烦，且不便调节。At present, the driven wheels in the front and rear transmission devices are directly fixed on the frame of the manipulator through nut connectors. Therefore, every time the driven wheels are assembled and disassembled, the driven wheels must be disassembled after loosening the nuts with tools such as spanners. Equally, also need to loosen the nut by means of wrench and other tools in the process of adjusting the driven wheel, so it is troublesome to assemble and disassemble the driven wheel, and it is inconvenient to adjust.
因此，急需要一种便于装拆及调节的被动轮结构来克服上述的缺陷。Therefore, there is an urgent need for a passive wheel structure that is convenient for assembly, disassembly and adjustment to overcome the above-mentioned defects.
发明内容Contents of the invention
本发明的目的在于提供一种便于装拆及调节的被动轮结构。The object of the present invention is to provide a driven wheel structure that is convenient for assembly, disassembly and adjustment.
为实现上述的目的，本发明提供了一种被动轮结构，包括固定轴、被动轮及中空结构的支撑座。所述中空结构沿第一方向贯穿所述支撑座并形成供所述被动轮容置的容置腔，所述容置腔相对的两腔壁各开设有与所述容置腔连通且相对所述第一方向倾斜的倾斜槽，所述固定轴穿置于所述被动轮上，且所述固定轴的第一端及第二端沿相异的方向伸出所述被动轮；当所述被动轮沿与所述第一方向相反的方向移动至所述固定轴的第一端和第二端置于对应的所述倾斜槽之槽口的位置时，则所述固定轴沿所述倾斜槽滑动而使所述被动轮装入所述容置腔内。In order to achieve the above object, the present invention provides a driven wheel structure, which includes a fixed shaft, a driven wheel and a hollow supporting base. The hollow structure penetrates through the support base along the first direction and forms an accommodating cavity for the passive wheel to be accommodated. The two opposite cavity walls of the accommodating cavity are respectively provided with a The inclined groove inclined in the first direction, the fixed shaft is placed on the driven wheel, and the first end and the second end of the fixed shaft extend out of the driven wheel in different directions; when the When the driven wheel moves in the direction opposite to the first direction to the position where the first end and the second end of the fixed shaft are placed in the notch of the corresponding inclined groove, the fixed shaft moves along the inclined The slot slides so that the driven wheel is loaded into the accommodating cavity.
较佳地，所述固定轴具有沿该固定轴的轴向与所述容置腔的腔壁相阻挡的阻挡结构。Preferably, the fixed shaft has a blocking structure that blocks the wall of the accommodating cavity along the axial direction of the fixed shaft.
较佳地，所述固定轴沿该固定轴的轴向依次包含同轴布置的第一轴段、第二轴段及第三轴段，所述第二轴段的轴径大于所述第一轴段及第三轴段的轴径，所述第二轴段分别与所述第一轴段及第三轴段形成出所述阻挡结构，所述第二轴段穿置于所述被动轮上，所述第一轴段置于两所述倾斜槽中的一者内，所述第三轴段置于两所述倾斜槽中的另一者内。Preferably, the fixed shaft includes a first shaft segment, a second shaft segment and a third shaft segment coaxially arranged in sequence along the axial direction of the fixed shaft, and the shaft diameter of the second shaft segment is larger than that of the first shaft segment. shaft diameter of the shaft section and the third shaft section, the second shaft section and the first shaft section and the third shaft section respectively form the blocking structure, and the second shaft section passes through the driven wheel Above, the first shaft segment is placed in one of the two inclined slots, and the third shaft segment is placed in the other of the two inclined slots.
较佳地，所述第二轴段与所述被动轮之间还设置有轴承，所述轴承套设于所述第二轴段上，所述被动轮套设于所述轴承上，且所述被动轮及第二轴段中的一者装配有阻挡所述轴承的内圈沿所述固定轴的轴向窜动的内挡结构，所述被动轮及第二轴段中的另一者装配有阻挡所述轴承的外圈沿所述固定轴的轴向窜动的外挡结构，所述外挡结构及内挡结构共同使所述被动轮、固定轴及轴承三者连接成相对所述支撑座独立的独立结构。Preferably, a bearing is further provided between the second shaft segment and the driven wheel, the bearing is sleeved on the second shaft segment, the driven wheel is sleeved on the bearing, and the One of the driven wheel and the second shaft section is equipped with an inner stop structure that prevents the inner ring of the bearing from moving in the axial direction of the fixed shaft, and the other of the driven wheel and the second shaft section It is equipped with an outer stop structure that prevents the outer ring of the bearing from moving along the axial direction of the fixed shaft. The outer stop structure and the inner stop structure jointly connect the driven wheel, the fixed shaft and the bearing into a relative position. The independent independent structure of the supporting base.
较佳地，所述被动轮沿所述固定轴的轴向超出所述轴承而使该轴承完全位于所述被动轮内。Preferably, the driven wheel protrudes beyond the bearing in the axial direction of the fixed shaft so that the bearing is completely located in the driven wheel.
较佳地，所述内挡结构及外挡结构均沿所述固定轴的轴向分别位于所述轴承的两侧处。Preferably, the inner blocking structure and the outer blocking structure are respectively located on both sides of the bearing along the axial direction of the fixed shaft.
较佳地，所述轴承沿所述固定轴的轴向呈排列成行的布置。Preferably, the bearings are arranged in rows along the axial direction of the fixed shaft.
较佳地，所述第一轴段的轴径与该第一轴段所对应的倾斜槽的槽宽相匹配，所述第三轴段的轴径与该第三轴段所对应的倾斜槽的槽宽相匹配。Preferably, the shaft diameter of the first shaft segment matches the groove width of the inclined groove corresponding to the first shaft segment, and the shaft diameter of the third shaft segment matches the width of the inclined groove corresponding to the third shaft segment. match the slot width.
较佳地，所述第一轴段与第三轴段的轴径相同。Preferably, the shaft diameters of the first shaft section and the third shaft section are the same.
较佳地，所述容置腔的腔壁还开设有扩大所述倾斜槽之槽口的缺口。Preferably, the cavity wall of the accommodating cavity is further provided with a notch for enlarging the notch of the inclined groove.
与现有技术相比，由于本发明的中空结构沿第一方向贯穿支撑座并形成供被动轮容置的容置腔，容置腔相对的两腔壁各开设有与容置腔连通且相对第一方向倾斜的倾斜槽，固定轴穿置于被动轮上且其第一端及第二端沿相异的方向伸出被动轮，故当被动轮沿与第一方向相反的方向移动至固定轴的第一端和第二端置于对应的倾斜槽之槽口的位置时，则此时的固定轴沿倾斜槽滑动而使被动轮装入容置腔内；要拆卸被动轮时，此时沿第一方向对被动轮施力，使得固定轴沿滑出倾斜槽的方向滑动，从而带动被动轮滑出容置腔而实现被动轮的拆卸目的，因此，本发明的被动轮结构具有装拆方便且调节简便的优点。Compared with the prior art, since the hollow structure of the present invention penetrates through the support seat along the first direction and forms an accommodating chamber for the passive wheel to be accommodated, the two chamber walls opposite to the accommodating chamber are respectively provided with a wall that communicates with the accommodating chamber and is opposite to the accommodating chamber. In the inclined groove inclined in the first direction, the fixed shaft is placed on the driven wheel and its first end and second end protrude out of the driven wheel in different directions, so when the driven wheel moves in the direction opposite to the first direction to the fixed When the first end and the second end of the shaft are placed in the position of the notch of the corresponding inclined groove, the fixed shaft at this time slides along the inclined groove so that the driven wheel is loaded into the accommodating cavity; when the driven wheel is to be disassembled, this When applying force to the driven wheel along the first direction, the fixed shaft slides in the direction of sliding out of the inclined groove, thereby driving the driven wheel to slide out of the accommodating cavity to realize the purpose of dismounting the driven wheel. Therefore, the driven wheel structure of the present invention has Advantages of convenience and easy adjustment.
附图说明Description of drawings
图1是本发明的被动轮结构的立体结构示意图。Fig. 1 is a three-dimensional structural schematic view of the passive wheel structure of the present invention.
图2是图1所示的被动轮结构的主视图。Fig. 2 is a front view of the driven wheel structure shown in Fig. 1 .
图3是沿图2中A-A线的剖视图。Fig. 3 is a sectional view along line A-A in Fig. 2 .
具体实施方式Detailed ways
为了详细说明本发明的技术内容、构造特征，以下结合实施方式并配合附图作进一步说明。In order to describe the technical content and structural features of the present invention in detail, further description will be given below in conjunction with the implementation and accompanying drawings.
请参阅图1至图3，本发明被动轮结构100包括固定轴10、被动轮20及中空结构的支撑座30。中空结构沿第一方向贯穿支撑座30并形成供被动轮20容置的容置腔31；具体地，在本实施例中，中空结构是沿支撑座30由下至上的方向贯穿支撑座30的，故本实施例的第一方向是指支撑座30由下至上的方向，当然，在其它实施例中，第一方向也可指支撑座30由上至下的方向，或者支撑座30由前至后或由后至前的方向等，故不以此举例为限。Please refer to FIG. 1 to FIG. 3 , the driven wheel structure 100 of the present invention includes a fixed shaft 10 , a driven wheel 20 and a hollow supporting base 30 . The hollow structure penetrates the support base 30 along the first direction and forms an accommodating cavity 31 for the passive wheel 20 to be accommodated; specifically, in this embodiment, the hollow structure penetrates the support base 30 from bottom to top. , so the first direction in this embodiment refers to the direction from bottom to top of the support seat 30, of course, in other embodiments, the first direction can also refer to the direction from top to bottom of the support seat 30, or the direction of the support seat 30 from the front The direction to the back or from the back to the front, etc., so it is not limited to this example.
如图1所示，容置腔31相对的两腔壁311各开设有与容置腔31连通且相对第一方向倾斜的倾斜槽311a，较优的是，倾斜槽311a的倾斜角度范围为30至70度，优选45度，但不以此为限。具体地，如图1所示，在本实施例中，倾斜槽311a是开设于容置腔31的前后两腔壁311处，且倾斜槽311a是沿支撑座30的下至上的方向朝右方倾斜，当然，在其它实施例中，倾斜槽311a也可以沿支撑座30的下至上的方向朝左方倾斜，故不以上述的举例为限。As shown in Figure 1 , the opposite walls 311 of the accommodating cavity 31 are each provided with an inclined groove 311a which communicates with the accommodating cavity 31 and is inclined relative to the first direction. Preferably, the inclined angle range of the inclined groove 311a is 30°. to 70 degrees, preferably 45 degrees, but not limited thereto. Specifically, as shown in FIG. 1 , in this embodiment, the inclined groove 311a is opened on the front and rear walls 311 of the accommodating chamber 31 , and the inclined groove 311a faces rightward along the direction from bottom to top of the support seat 30 . Inclined, of course, in other embodiments, the inclined groove 311a can also be inclined to the left along the direction from bottom to top of the support base 30, so it is not limited to the above examples.
固定轴10穿置于被动轮20上，且固定轴10的第一端及第二端沿相异的方向伸出被动轮20；当被动轮20沿与第一方向相反的方向(即图1中支撑座30由上至下的方向)移动至固定轴10的第一端和第二端置于对应的倾斜槽311a之槽口的位置时，则此时的固定轴10沿倾斜槽311a滑动而使被动轮20装入容置腔31内；具体地，如图2所示，在本实施例中，固定轴10是沿倾斜槽311a向下滑动而使被动轮20装入容置腔31内的，当然，在其它实施例中，固定轴10也可以设计成沿倾斜槽311a向上滑动而使被动轮20装入容置腔31内，故不以上述的举例为限。The fixed shaft 10 is placed on the driven wheel 20, and the first end and the second end of the fixed shaft 10 stretch out from the driven wheel 20 in different directions; When the middle support seat 30 moves from top to bottom to the position where the first end and the second end of the fixed shaft 10 are placed in the notch of the corresponding inclined groove 311a, the fixed shaft 10 at this time slides along the inclined groove 311a And make the driven wheel 20 fit into the accommodating cavity 31; specifically, as shown in FIG. Of course, in other embodiments, the fixed shaft 10 can also be designed to slide upwards along the inclined groove 311a so that the driven wheel 20 is inserted into the accommodating cavity 31, so the above examples are not limited.
其中，如图3所示，为了防止固定轴10上的被动轮20沿固定轴10的轴向窜动，故固定轴10具有沿该固定轴10的轴向与容置腔31的腔壁311相阻挡的阻挡结构11，较优的是，固定轴10沿该固定轴10的轴向依次包含同轴布置的第一轴段10a、第二轴段10b及第三轴段10c，第二轴段10b的轴径大于第一轴段10a及第三轴段10c的轴径，第二轴段10b分别与第一轴段10a及第三轴段10c形成出阻挡结构11，使第一轴段10a与第二轴段10b形成的阻挡结构11抵触容置腔31的一腔壁311(即图1中的前腔壁311)，以及使得第二轴段10b与第三轴段10c形成的阻挡结构11抵触容置腔31的另一腔壁311(即图1中的后腔壁311)，因此，借助由第一轴段10a和第二轴段10b形成的阻挡结构11和由第二轴段10b与第三轴段10c形成的阻挡结构11而有效地阻挡固定轴10窜动，从而确保被动轮20转动的平稳及可靠性。第二轴段10b穿置于被动轮20上，第一轴段10a置于两倾斜槽311a中的一者内，第三轴段10c置于两倾斜槽311a中的另一者内，较优的是，如图1中，第一轴段10a是置于支撑座30前方处的倾斜槽311a处，第三轴段10c是置于支撑座30后方的倾斜槽311a处，但不以此举例为限。为使得固定轴20相对支撑座30处于静状的位置状态，故第二轴段10b与被动轮20之间还设置有轴承40，轴承套40设于第二轴段10b上，被动轮20套设于轴承40上，且被动轮20及第二轴段10b中的一者装配有阻挡轴承40的内圈41沿固定轴10的轴向窜动的内挡结构50，被动轮20及第二轴段10b中的另一者装配有阻挡轴承40的外圈42沿固定轴10的轴向窜动的外挡结构60，外挡结构60及内挡结构50共同使被动轮20、固定轴10及轴承40三者连接成相对支撑座30独立的独立结构，从而使得被动轮20、固定轴10及轴承40三者集成一个整体，进一步地提升被动轮20在支撑座30上的装拆便利性；具体地，如图3所示，内挡结构50是装配于第二轴段10b上，外挡结构60是装配于被动轮20上，但不以此举例为限；较优的是，内挡结构50及外挡结构60为一垫圈结构以简化它们的结构；更具体地，内挡结构50及外挡结构60均沿固定轴10的轴向分别位于轴承40的两侧处，较优的是，轴承40沿固定轴10的轴向呈排列成行的布置，从而使轴承40被夹于固定轴10两侧处的内挡结构50及外挡结构60之间。为了进一步地提高被动轮20的转动精度，故被动轮20沿固定轴10的轴向超出轴承40而使该轴承40完全位于被动轮20内，有效地防止外界物件意外干扰到轴承40而影响了被动轮20的转动精度；为使得第一轴段10a及第三轴段10c更平稳可靠地在倾斜槽311a内滑动，故第一轴段10a的轴径与该第一轴段10a所对应的倾斜槽311a的槽宽相匹配，第三轴段10c的轴径与该第三轴段10c所对应的倾斜槽311a的槽宽相匹配，例如第一轴段10a的轴径与所对应的倾斜槽311a为间隙配合，第三轴段10c的轴径与所对应的倾斜槽311a也为间隙配合，该间隙配合符合公差与配合中相关要求；较优的是，第一轴段10a与第三轴段10c的轴径相同，以便于固定轴10的加工；为便于固定轴10滑入倾斜槽311a内，故容置腔31的腔壁311还开设有扩大倾斜槽311a之槽口的缺口311b。Wherein, as shown in FIG. 3 , in order to prevent the driven wheel 20 on the fixed shaft 10 from moving along the axial direction of the fixed shaft 10 , the fixed shaft 10 has a cavity wall 311 along the axial direction of the fixed shaft 10 and the accommodating cavity 31 The blocking structure 11 that blocks each other, preferably, the fixed shaft 10 sequentially includes a first shaft segment 10a, a second shaft segment 10b and a third shaft segment 10c arranged coaxially along the axial direction of the fixed shaft 10, the second shaft The shaft diameter of the segment 10b is larger than the shaft diameters of the first shaft segment 10a and the third shaft segment 10c, and the second shaft segment 10b forms a blocking structure 11 with the first shaft segment 10a and the third shaft segment 10c respectively, so that the first shaft segment The blocking structure 11 formed by 10a and the second shaft section 10b is against a cavity wall 311 of the accommodating cavity 31 (ie, the front cavity wall 311 in FIG. 1 ), and the blocking structure formed by the second shaft section 10b and the third shaft section 10c The structure 11 interferes with another cavity wall 311 of the accommodating cavity 31 (ie, the rear cavity wall 311 in FIG. The blocking structure 11 formed by the segment 10 b and the third shaft segment 10 c effectively blocks the movement of the fixed shaft 10 , thereby ensuring the stability and reliability of the driven wheel 20 to rotate. The second shaft section 10b is placed on the driven wheel 20, the first shaft section 10a is placed in one of the two inclined grooves 311a, and the third shaft section 10c is placed in the other of the two inclined grooves 311a, preferably 1, the first shaft section 10a is placed at the inclined groove 311a at the front of the support base 30, and the third shaft section 10c is placed at the inclined groove 311a at the rear of the support base 30, but this is not an example limit. In order to make the fixed shaft 20 in a static position relative to the support seat 30, a bearing 40 is also arranged between the second shaft section 10b and the driven wheel 20, the bearing sleeve 40 is arranged on the second shaft section 10b, and the driven wheel 20 sets It is located on the bearing 40, and one of the driven wheel 20 and the second shaft section 10b is equipped with an internal stop structure 50 that blocks the inner ring 41 of the bearing 40 from moving along the axial direction of the fixed shaft 10, and the driven wheel 20 and the second shaft segment The other of the shaft section 10b is equipped with an outer stop structure 60 that prevents the outer ring 42 of the bearing 40 from moving along the axial direction of the fixed shaft 10. The outer stop structure 60 and the inner stop structure 50 jointly make the driven wheel 20, the fixed shaft 10 and the bearing 40 are connected into an independent independent structure relative to the support base 30, so that the driven wheel 20, the fixed shaft 10 and the bearing 40 are integrated into a whole, and the convenience of assembly and disassembly of the driven wheel 20 on the support base 30 is further improved Specifically, as shown in Figure 3, the inner block structure 50 is assembled on the second shaft section 10b, and the outer block structure 60 is assembled on the driven wheel 20, but this example is not limited; preferably, the inner block structure The blocking structure 50 and the external blocking structure 60 are a washer structure to simplify their structures; more specifically, the internal blocking structure 50 and the external blocking structure 60 are respectively located on both sides of the bearing 40 along the axial direction of the fixed shaft 10, preferably What is more, the bearings 40 are arranged in rows along the axial direction of the fixed shaft 10 , so that the bearings 40 are sandwiched between the inner blocking structures 50 and the outer blocking structures 60 at both sides of the fixed shaft 10 . In order to further improve the rotation accuracy of the driven wheel 20, the driven wheel 20 exceeds the bearing 40 along the axial direction of the fixed shaft 10 so that the bearing 40 is completely located in the driven wheel 20, effectively preventing external objects from accidentally interfering with the bearing 40 and affecting the bearing 40. The rotation accuracy of the passive wheel 20; in order to make the first shaft section 10a and the third shaft section 10c slide in the inclined groove 311a more smoothly and reliably, the shaft diameter of the first shaft section 10a is corresponding to the first shaft section 10a The groove width of the inclined groove 311a matches, and the shaft diameter of the third shaft section 10c matches the groove width of the inclined groove 311a corresponding to the third shaft section 10c, for example, the shaft diameter of the first shaft section 10a matches the corresponding inclination The groove 311a is a clearance fit, and the shaft diameter of the third shaft section 10c and the corresponding inclined groove 311a are also a clearance fit, and the clearance fit meets the relevant requirements in tolerance and fit; preferably, the first shaft section 10a and the third The shaft diameters of the shaft sections 10c are the same to facilitate the processing of the fixed shaft 10; in order to facilitate the sliding of the fixed shaft 10 into the inclined groove 311a, the cavity wall 311 of the accommodating cavity 31 is also provided with a notch 311b for enlarging the notch of the inclined groove 311a .
与现有技术相比，由于本发明的中空结构沿第一方向贯穿支撑座30并形成供被动轮20容置的容置腔31，容置腔31相对的两腔壁311各开设有与容置腔31连通且相对第一方向倾斜的倾斜槽311a，固定轴10穿置于被动轮20上且其第一端及第二端沿相异的方向伸出被动轮20，故当被动轮20沿与第一方向相反的方向移动至固定轴10的第一端和第二端置于对应的倾斜槽311a之槽口的位置时，则此时的固定轴10沿倾斜槽311a滑动而使被动轮20装入容置腔31内；要拆卸被动轮20时，此时沿第一方向对被动轮20施力，使得固定轴10沿滑出倾斜槽311a的方向滑动，从而带动被动轮20滑出容置腔31而实现被动轮20的拆卸目的，因此，本发明的被动轮结构100具有装拆方便且调节简便的优点。Compared with the prior art, since the hollow structure of the present invention penetrates the supporting seat 30 along the first direction and forms the accommodation chamber 31 for the passive wheel 20 to be accommodated, the two chamber walls 311 opposite to the accommodation chamber 31 are respectively provided with an accommodating chamber. The cavity 31 is connected to the inclined groove 311a that is inclined relative to the first direction. The fixed shaft 10 is placed on the driven wheel 20 and its first end and second end extend out of the driven wheel 20 in different directions. Therefore, when the driven wheel 20 When moving in the direction opposite to the first direction to the position where the first end and the second end of the fixed shaft 10 are placed in the notch of the corresponding inclined groove 311a, the fixed shaft 10 at this time slides along the inclined groove 311a to make the passive The wheel 20 is loaded into the accommodating cavity 31; when the driven wheel 20 is to be disassembled, force is applied to the driven wheel 20 along the first direction at this time, so that the fixed shaft 10 slides in the direction of sliding out of the inclined groove 311a, thereby driving the driven wheel 20 to slide. The driven wheel 20 can be disassembled through the accommodating cavity 31 . Therefore, the driven wheel structure 100 of the present invention has the advantages of convenient assembly and disassembly and easy adjustment.
以上所揭露的仅为本发明的较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属于本发明所涵盖的范围。The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.
Claims (10)
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Address after: 523000 Guangdong city of Dongguan Province Town Green Lake Industrial Park West Foxconn nishiura Industrial Park 2 Building No. 2 Applicant after: Dongguan runtitan intelligent Polytron Technologies Inc three Address before: 523660 Guangdong city of Dongguan Province Town Green Lake Industrial Park West Foxconn nishiura Industrial Park 2 Building No. 2 Applicant before: Dongguan Sanruntian Automation Devices Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |