Transport assembly and conveying apparatus

By providing a sleeve and shaft fit in the transmission assembly, the first and second bearings and limiting parts are used to limit the bearing movement, the problem of shaft offset is solved, and higher operating accuracy and stability are achieved.

WO2025160745A1PCT designated stage Publication Date: 2025-08-07SUZHOU ZHAOWEI IND TECH CO LTD +1
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Patent Information

Application Number
PCT/CN2024/074686
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-01-30
Publication Date
2025-08-07

AI Technical Summary

Technical Problem

The rotation shaft of the existing transmission assembly is easily offset when moving in the axial direction, resulting in low operating accuracy and insufficient stability.

Method used

The sleeve and the rotary shaft are designed to be fitted, and the first and second bearings are provided, and the movement of the bearing is restricted through the step part and the limiting part, preventing the disengagement of the part and preventing the disengagement, and the limiting part is arranged on the outer circumference of the rotary shaft.

Benefits of technology

Improve the operating accuracy and stability of the transmission components, ensuring the smooth movement of the shaft and the normal use of the components.

✦ Generated by Eureka AI based on patent content.

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Abstract

A transport assembly and a conveying apparatus. The conveying apparatus comprises the transport assembly. The transport assembly comprises a sleeve (10) and a rotating shaft (20), wherein the sleeve (10) is provided with an accommodating cavity (101) and an opening (102), which is in communication with the accommodating cavity (101); a first bearing (30) and a second bearing (40) are sleeved on a part of an outer peripheral wall of the rotating shaft (20) and jointly extend into the accommodating cavity (101); an inner peripheral wall of the sleeve (10) is provided with a first step portion (11) and a second step portion (12), the first step portion (11) being configured to abut against the side of the first bearing (30) facing the second bearing (40), and the second step portion (12) being configured to abut against the side of the second bearing (40) away from the first bearing (30); the sleeve (10) is further connected to an anti-falling member (50), which is arranged on the side of the first bearing (30) away from the second bearing (40); and a limiting member (21) is further sleeved on the outer peripheral wall of the rotating shaft (20), and is arranged on the side of the second bearing (40) facing the first bearing (30). By means of the arrangement of the sleeve (10), the rotating shaft (20), the first bearing (30) and the second bearing (40), the operation precision of the transport assembly is higher, and the stability is better.
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Description

Transmission components and conveying equipment Technical Field

[0001] The present application belongs to the technical field of automation devices, and more specifically, relates to a transmission component and conveying equipment. Background Art

[0002] In logistics applications, conveying equipment can be used to sort and transfer goods. The conveying equipment includes a motor, a transmission component and a multi-V belt. The multi-V belt is used to support the goods, and the motor can drive the transmission component to rotate to drive the multi-V belt to move.

[0003] The existing transmission assembly includes a sleeve and a rotating shaft. A bearing is connected to the outer side of the rotating shaft and is placed in the sleeve. The rotating shaft may move axially while rotating in the circumferential direction. Since the support effect of a single bearing on the rotating shaft is limited, the axial movement of the rotating shaft is prone to deviation, causing the rotating shaft to drive the bearing to displace, resulting in the rotating shaft and the bearing being separated from each other, causing the transmission assembly to be unable to be used normally. Therefore, there are problems with low operating accuracy and insufficient stability of the transmission assembly. Technical issues

[0004] One of the purposes of the embodiments of the present application is to provide a transmission component and a conveying device to solve the technical problems in the prior art that a single bearing provided in the transmission component has limited supporting effect on the rotating shaft, the rotating shaft is easily offset when moving along the axial direction, and the transmission component cannot be used normally, resulting in low operating accuracy and insufficient stability in use. Technical Solutions

[0005] To solve the above technical problems, in the first aspect, an embodiment of the present application provides a transmission component, which includes a sleeve and a rotating shaft, the sleeve forming a accommodating cavity and an opening connected to the accommodating cavity, and a portion of the outer peripheral wall of the rotating shaft is sleeved with a first bearing and a second bearing and extends into the accommodating cavity together; the inner peripheral wall of the sleeve is provided with a first step portion and a second step portion, the first step portion is for the first bearing to abut against the side facing the second bearing, and the second step portion is for the second bearing to abut against the side away from the first bearing; the sleeve is also connected to an anti-slip component, and the anti-slip component is placed on the side of the first bearing away from the second bearing; the outer peripheral wall of the rotating shaft is also sleeved with a limiting component, and the limiting component is placed on the side of the second bearing facing the first bearing.

[0006] The beneficial effect of the transmission component provided by the present application is that: by arranging the sleeve and the rotating shaft to cooperate with each other, the rotating shaft can pass through the opening of the sleeve and extend into the accommodating cavity of the sleeve. Compared with the transmission component in the prior art, the present application supports the rotating shaft together with the first bearing and the second bearing, which can reduce the offset of the rotating shaft during the axial displacement process, so that the movement of the rotating shaft is smoother and the operation accuracy is higher; the first step portion and the anti-slip component are respectively arranged on the opposite sides of the first bearing, which can limit the axial movement of the first bearing, and the second step portion and the limiting component are respectively arranged on the opposite sides of the second bearing, which can limit the axial movement of the second bearing, and the limiting component is sleeved on the outer periphery of the rotating shaft, which can avoid the rotating shaft and the sleeve from separating, thereby making the use stability of the transmission component better.

[0007] In a feasible technical solution, the outer diameter of the first bearing is greater than the outer diameter of the second bearing, and the inner peripheral wall of the sleeve forms an inclined surface between the first step portion and the second step portion.

[0008] In a feasible technical solution, a socket connected to the accommodating cavity is formed at the end of the sleeve adjacent to the first bearing, and the anti-slip member is a pin adapted to the socket.

[0009] In a feasible technical solution, the number of the anti-slip parts and the number of the insertion holes are both multiple, and the multiple anti-slip parts correspond to the multiple insertion holes in a one-to-one manner.

[0010] In a feasible technical solution, a slot for placing the limiting member is formed on the outer peripheral wall of the rotating shaft, and the limiting member is an annular structure with a notch.

[0011] In a feasible technical solution, the transmission component is further provided with a sealing element, and the inner circumferential wall of the sleeve is further provided with a third step portion. The sealing element is sleeved on the outer circumferential wall of the rotating shaft, and one side of the sealing element abuts against the third step portion, and the other side abuts against the side of the second bearing facing away from the first bearing.

[0012] In a feasible technical solution, there are two limiting members, one of which abuts against a side of the first bearing facing the second bearing, and the other abuts against a side of the second bearing facing the first bearing.

[0013] In a feasible technical solution, the transmission assembly is further provided with an end cover, which is placed at the opening of the sleeve adjacent to the second bearing, and a portion of the end cover is sleeved on the outer peripheral wall of the rotating shaft and placed on the inner side of the second bearing.

[0014] In a feasible technical solution, the transmission assembly also includes a nut and a spring, the nut is placed at the opening of the sleeve near the first bearing, the nut is sleeved on the outer peripheral wall of the rotating shaft and placed on the inner side of the first bearing, and the opposite ends of the spring are respectively connected to the nut and the limit member.

[0015] In a second aspect, an embodiment of the present application further provides a conveying device comprising the above-mentioned transmission component. Beneficial effects

[0016] The beneficial effect of the conveying equipment provided by the present application is that by setting the above-mentioned transmission component, the conveying equipment has higher operating accuracy and better use stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0018] FIG1 is a schematic structural diagram of a transmission component provided in one embodiment of the present application;

[0019] FIG2 is a cross-sectional view of the transmission assembly in FIG1 of the present application;

[0020] FIG3 is a disassembled diagram of the transmission component in FIG1 of the present application;

[0021] FIG4 is a schematic structural diagram of a transmission component provided in another embodiment of the present application;

[0022] FIG5 is a cross-sectional view of the transmission assembly in FIG4 of the present application;

[0023] FIG6 is a disassembled diagram of the transmission component in FIG4 of the present application.

[0024] Among them, the reference numerals in the figures are:

[0025] 10. Sleeve; 11. First step; 12. Second step; 13. Third step; 14. Sealing ring; 101. Accommodating cavity; 102. Opening; 103. Inclined surface; 104. Insertion hole;

[0026] 20. Rotating shaft; 21. Limiting member; 201. Card slot;

[0027] 30. First bearing;

[0028] 40. Second bearing;

[0029] 50. Anti-slip parts;

[0030] 60. Sealing element;

[0031] 70. End cap;

[0032] 80. Nut;

[0033] 90. Spring. Modes for Carrying Out the Invention

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0035] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0036] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and 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, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0037] 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 the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0038] The following is a detailed description with reference to the accompanying drawings and embodiments:

[0039] Please refer to Figures 1 to 6 together. An embodiment of the present application provides a transmission component, which includes a sleeve 10 and a rotating shaft 20. The sleeve 10 is formed with a accommodating cavity 101 and an opening 102 connected to the accommodating cavity 101. Part of the outer peripheral wall of the rotating shaft 20 is sleeved with a first bearing 30 and a second bearing 40 and extends into the accommodating cavity 101 together. The inner peripheral wall of the sleeve 10 is provided with a first step portion 11 and a second step portion 12. The first step portion 11 is for the first bearing 30 to abut against the side facing the second bearing 40, and the second step portion 12 is for the second bearing 40 to abut against the side away from the first bearing 30. The sleeve 10 is also connected to an anti-slip component 50, which is placed on the side of the first bearing 30 away from the second bearing 40. The outer peripheral wall of the rotating shaft 20 is also sleeved with a limit component 21, which is placed on the side of the second bearing 40 facing the first bearing 30.

[0040] By arranging the sleeve 10 and the rotating shaft 20 to cooperate with each other, the rotating shaft 20 can pass through the opening 102 of the sleeve 10 and extend into the accommodating cavity 101 of the sleeve 10. The rotating shaft 20 is jointly supported by the first bearing 30 and the second bearing 40, which can reduce the offset of the rotating shaft 20 during the axial displacement process, so that the movement of the rotating shaft 20 is smoother and the operation accuracy is higher.

[0041] By arranging the first step portion 11 and the anti-slip component 50 on opposite sides of the first bearing 30 respectively, the axial movement of the first bearing 30 can be limited. The second step portion 12 and the limiting component 21 are respectively arranged on opposite sides of the second bearing 40, which can limit the axial movement of the second bearing 40. The limiting component 21 is sleeved on the outer periphery of the rotating shaft 20 to prevent the rotating shaft 20 from being separated from the sleeve 10, thereby making the use stability of the transmission component better.

[0042] In application, the sleeve 10 has a cylindrical structure, the rotating shaft 20 has a cylindrical structure, the first bearing 30 and the second bearing 40 are both disc-shaped structures, and the center of the first bearing 30 and the center of the second bearing 40 are respectively provided with through holes for the rotating shaft 20 to pass through. The sleeve 10, the rotating shaft 20, the first bearing 30 and the second bearing 40 can be made of alloy material.

[0043] In use, the outer peripheral wall of the sleeve 10 is further provided with a sealing ring 14 , and the sealing ring 14 is used to produce a protective seal when the transmission component is connected to the external structure.

[0044] In application, there are two openings 102, which are respectively arranged on opposite sides of the sleeve 10. The inner circumferential wall of the sleeve 10 adjacent to one of the two openings 102 radially protrudes to form a first step portion 11, and the inner circumferential wall of the sleeve 10 adjacent to the other of the two openings 102 radially protrudes to form a second step portion 12.

[0045] In one embodiment, referring to FIG. 1 to FIG. 3 , the outer diameter of the first bearing 30 is greater than the outer diameter of the second bearing 40 , and the inner circumferential wall of the sleeve 10 forms an inclined surface 103 between the first step portion 11 and the second step portion 12 .

[0046] In application, the diameter of the opening 102 of the sleeve 10 on the side adjacent to the first step portion 11 is larger than the diameter of the opening 102 on the side adjacent to the second step portion 12 of the sleeve 10, and by setting the inclined surface 103, the second bearing 40 and the first bearing 30 can be conveniently inserted into the accommodating cavity 101 along with the rotating shaft 20 through the opening 102 of the sleeve 10 adjacent to the first step portion 11 in sequence, making the assembly of the transmission component simpler and more efficient.

[0047] In one embodiment, referring to FIG. 1 to FIG. 3 , the sleeve 10 is provided with a socket 104 in communication with the accommodating cavity 101 at the end thereof adjacent to the first bearing 30 , and the anti-slip member 50 is a pin adapted to the socket 104 .

[0048] In application, the socket 104 extends radially along the sleeve 10, and the length of the anti-slip member 50 is not less than the extension length of the socket 104, so that the end of the anti-slip member 50 can abut against the first bearing 30 to prevent the first bearing 30 from escaping from the accommodating cavity 101 of the sleeve 10.

[0049] In one embodiment, referring to FIG. 1 to FIG. 3 , there are plural anti-dropout members 50 and plural insertion holes 104 , and the plural anti-dropout members 50 correspond to the plural insertion holes 104 in a one-to-one manner.

[0050] During application, the limiting effect of the anti-slip member 50 on the first bearing 30 can be enhanced, so that the installation of the first bearing 30 is more stable.

[0051] Specifically, in one embodiment of the present application, the number of anti-slip parts 50 is two, and the two anti-slip parts 50 are symmetrically arranged. It can be understood that in other examples of the present application, the number of anti-slip parts 50 is more than two, and multiple anti-slip parts 50 are evenly spaced along the circumference of the sleeve 10.

[0052] In one embodiment, referring to FIG. 1 to FIG. 3 , a slot 201 for receiving a position-limiting member 21 is defined on the outer peripheral wall of the rotating shaft 20 . The position-limiting member 21 is an annular structure with a notch.

[0053] In application, the width of the limit member 21 is not less than the depth of the slot 201, so that the limit member 21 protrudes relative to the outer peripheral wall of the rotating shaft 20 around the slot 201. The limit member 21 can be a retaining spring. The limit member 21 is made of elastically deformable materials such as alloy or plastic, which can facilitate the limit member 21 to be installed in the slot 201 of the sleeve 10, so as to further improve the assembly efficiency of the transmission component.

[0054] In one embodiment, please refer to Figures 1 to 3 together. The transmission assembly is further provided with a sealing element 60. The inner peripheral wall of the sleeve 10 is further provided with a third step portion 13. The sealing element 60 is sleeved on the outer peripheral wall of the rotating shaft 20. One side of the sealing element 60 abuts against the third step portion 13, and the other side abuts against the side of the second bearing 40 facing away from the first bearing 30.

[0055] In application, a chamber is formed in the middle of the rotating shaft 20, and the inner peripheral wall of the rotating shaft 20 is provided with an internal thread for connection to an external structure. The sealing element 60 can be an oil seal ring. The sealing element 60 is made of rubber. The sealing element 60 is used to prevent fluids such as lubricating oil, water, and chemical liquids from leaking from the accommodating cavity 101 of the sleeve 10, and also to prevent impurities such as dust and sand from invading the use environment.

[0056] In one embodiment, please refer to Figures 1 to 3 together. There are two limit members 21. One of the two limit members 21 abuts against the side of the first bearing 30 facing the second bearing 40, and the other abuts against the side of the second bearing 40 facing the first bearing 30.

[0057] In application, the two limiting members 21 can further limit the axial movement of the first bearing 30 and the second bearing 40 respectively, so that the first bearing 30 and the second bearing 40 support the rotating shaft 20 more firmly and the operation accuracy of the transmission component is higher.

[0058] Specifically, when assembling the transmission device, the sealing element 60 and the second bearing 40 are first successively mounted on the outer peripheral wall of the rotating shaft 20, and then the two limiting members 21 are respectively clamped in the corresponding clamping grooves 201, and then the first bearing 30 is mounted on the outer peripheral wall of the rotating shaft 20; then the rotating shaft 20, the first bearing 30, the second bearing 40, the sealing element 60 and the two limiting members 21 are passed through the opening 102 on the side of the sleeve 10 adjacent to the first step portion 11 and extended into the accommodating cavity 101 until the first bearing 30 abuts against the first step portion 11; finally, each anti-slip member 50 is respectively inserted into the corresponding insertion hole 104.

[0059] In one embodiment, please refer to Figures 4 to 6 together. The transmission assembly is further provided with an end cover 70. The end cover 70 is placed at the opening 102 of the sleeve 10 adjacent to the second bearing 40. A portion of the end cover 70 is sleeved on the outer peripheral wall of the rotating shaft 20 and is placed on the inner side of the second bearing 40.

[0060] In use, the end cover 70 can limit the rotation shaft 20 in the axial direction to prevent the rotation shaft 20 from escaping from the accommodating cavity 101 through the opening 102 of the sleeve 10 adjacent to the first bearing 30 .

[0061] In one embodiment, please refer to Figures 4 to 6 together. The transmission assembly also includes a nut 80 and a spring 90. The nut 80 is placed on the sleeve 10 near the opening 102 of the first bearing 30. The nut 80 is sleeved on the outer peripheral wall of the rotating shaft 20 and placed on the inner side of the first bearing 30. The opposite ends of the spring 90 are respectively connected to the nut 80 and the limit member 21.

[0062] In application, the spring 90 is used to reset the axial movement of the rotating shaft 20. The rotating shaft 20 is a cylinder with a polygonal cross-section. The inner wall shape of the end cover 70 and the inner wall shape of the nut 80 are adapted to the shape of the rotating shaft 20, which can limit the circumferential rotation of the rotating shaft 20 relative to the end cover 70 and the nut 80.

[0063] Specifically, when assembling the transmission device, first sleeve the second bearing 40 on the outer peripheral wall of the rotating shaft 20, then clamp the limit member 21 in the clamping groove 201, then sleeve the spring 90 and the nut 80 on the outer peripheral wall of the rotating shaft 20 in sequence, and then sleeve the first bearing 30 on the outer periphery of the nut 80; then the rotating shaft 20, the first bearing 30, the second bearing 40, the nut 80, the spring 90 and the limit member 21 as a whole pass through the opening 102 on the side of the sleeve 10 near the first step portion 11 and extend into the accommodating cavity 101 until the first bearing 30 abuts the first step portion 11; then each anti-slip member 50 is respectively inserted into the corresponding insertion hole 104; finally, the end cover 70 is sleeved on the outer peripheral wall of the rotating shaft 20 and extends into the accommodating cavity 101 from the opening 102 on the side of the sleeve 10 near the second step portion 12 until the second bearing 40 can be sleeved on the outer periphery of one end of the end cover 70 near the spring 90.

[0064] Please refer to FIG. 1 and FIG. 4 together. The present application also provides a conveying device including the above-mentioned transmission component.

[0065] In application, the conveying equipment is equipped with transmission components, which makes the operation accuracy and stability of the conveying equipment higher.

[0066] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A transmission component, characterized in that: The invention comprises a sleeve (10) and a rotating shaft (20), wherein the sleeve (10) is formed with a receiving cavity (101) and an opening (102) communicating with the receiving cavity (101), and a first bearing (30) and a second bearing (40) are sleeved on a portion of an outer peripheral wall of the rotating shaft (20) and both extend into the receiving cavity (101); The inner peripheral wall of the sleeve (10) is provided with a first step portion (11) and a second step portion (12), wherein the first step portion (11) is provided for abutting against a side of the first bearing (30) facing toward the second bearing (40), and the second step portion (12) is provided for abutting against a side of the second bearing (40) facing away from the first bearing (30); The sleeve (10) is further connected to an anti-slip component (50), and the anti-slip component (50) is placed on a side of the first bearing (30) facing away from the second bearing (40); A limiting member (21) is also sleeved on the outer peripheral wall of the rotating shaft (20), and the limiting member (21) is placed on the side of the second bearing (40) facing the first bearing (30).

2. The transmission component according to claim 1, characterized in that The outer diameter of the first bearing (30) is greater than the outer diameter of the second bearing (40), and the inner peripheral wall of the sleeve (10) forms an inclined surface (103) between the first step portion (11) and the second step portion (12).

3. The transmission assembly according to claim 1, wherein The sleeve (10) is provided with a socket (104) connected to the accommodating cavity (101) at the end portion adjacent to the first bearing (30), and the anti-slip component (50) is a pin adapted to the socket (104).

4. The transmission assembly according to claim 3, wherein The number of the anti-slip parts (50) and the number of the insertion holes (104) are both multiple, and the multiple anti-slip parts (50) correspond one to one to the multiple insertion holes (104).

5. The transmission assembly according to claim 1, wherein: The outer peripheral wall of the rotating shaft (20) is provided with a slot (201) for placing the limiting member (21), and the limiting member (21) is an annular structure with a notch.

6. The transmission component according to any one of claims 1 to 5, characterized in that The transmission assembly is further provided with a sealing element (60), and the inner peripheral wall of the sleeve (10) is further provided with a third step portion (13). The sealing element (60) is sleeved on the outer peripheral wall of the rotating shaft (20), and one side of the sealing element (60) abuts against the third step portion (13), and the other side abuts against a side of the second bearing (40) facing away from the first bearing (30).

7. The transmission assembly according to claim 6, characterized in that There are two limiting members (21), one of which abuts against a side of the first bearing (30) facing the second bearing (40), and the other abuts against a side of the second bearing (40) facing the first bearing (30).

8. The transmission component according to any one of claims 1 to 5, characterized in that The transmission assembly is further provided with an end cover (70), which is placed on the sleeve (10) at the opening (102) adjacent to the second bearing (40), and a portion of the end cover (70) is sleeved on the outer peripheral wall of the rotating shaft (20) and placed on the inner side of the second bearing (40).

9. The transmission assembly according to claim 8, wherein The transmission assembly further includes a nut (80) and a spring (90), wherein the nut (80) is placed on the sleeve (10) at the opening (102) adjacent to the first bearing (30), the nut (80) is sleeved on the outer peripheral wall of the rotating shaft (20) and placed on the inner side of the first bearing (30), and the opposite ends of the spring (90) are respectively connected to the nut (80) and the limiting member (21).

10. A conveying device, characterized in that: Comprising the transmission component according to any one of claims 1 to 9.

Citation Information

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