Transmission assembly and solar device

Abstract

The utility model relates to the field of mechanical transmission, in particular to a transmission assembly which comprises a main shaft, a transmission nut, a transmission sleeve, a driving part and a spiral spline pair. The transmission nut sleeves the main shaft, the driving part is in transmission fit with the transmission nut, and the transmission sleeve sleeves the peripheral surface of the transmission nut; the spiral spline pairs are arranged on the outer circumferential face of the transmission nut and the inner circumferential face of the transmission sleeve respectively. Under the action of the driving part, the transmission nut moves along the axis of the main shaft, and when the transmission nut moves relative to the main shaft, the transmission sleeve rotates around the axis of the main shaft under the action of the spiral spline pair; at least one first propping part is arranged on the peripheral surface of the transmission sleeve; a connecting ring is further included, the transmission sleeve is sleeved with the connecting ring, and the connecting ring is provided with a second abutting part matched with the first abutting part. The utility model further relates to a solar device according to the proposed transmission assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially relates to a transmission assembly and solar energy device. BACKGROUND

[0002] In mechanical transmission, load is needed to form fixed connection with the output end of transmission assembly to realize the expected movement driven by transmission assembly, therefore, the connection strength between load and the output end of transmission assembly is particularly important.

[0003] However, part of the transmission assembly, load is not easy to be fixedly connected to the output end of transmission assembly, for example, in the application number CN2024219224501 of the applicant in prior application, the transmission sleeve that can rotate around its axis is used as the output end. Since the output end is in the form of cylinder, and only the outer periphery can be fixedly provided with load, therefore, how to connect the load to the output end of such transmission assembly, or how to realize fixed connection between the output ends of transmission assembly, is the problem to be solved at present. SUMMARY

[0004] The utility model discloses a transmission assembly first to solve the above -mentioned problem. The utility model discloses a solar energy device secondly.

[0005] As the first aspect of the utility model, a transmission assembly is provided, which comprises a main shaft, a transmission nut, a transmission sleeve, a driving member and a helical spline pair.

[0006] The transmission nut is sleeved on the main shaft, the driving member is in transmission cooperation with the transmission nut, and the transmission sleeve is sleeved on the outer periphery of the transmission nut.

[0007] The helical spline pair is arranged on the outer periphery of the transmission nut and the inner periphery of the transmission sleeve.

[0008] Under the action of the driving member, the transmission nut moves along the axis of the main shaft, and when the transmission nut moves relative to the main shaft, under the action of the helical spline pair, the transmission sleeve rotates around the axis of the main shaft.

[0009] The outer periphery of the transmission sleeve is provided with at least one first abutting portion.

[0010] Further comprising a connecting ring, the connecting ring is sleeved on the transmission sleeve, and the connecting ring is provided with a second abutting portion matched with the first abutting portion, when the second abutting portion is matched with the first abutting portion, the connecting ring cannot move relative to the transmission sleeve along the axial direction of the main shaft to at least one side of the first abutting portion.

[0011] The connecting ring is further provided with a mounting position for connecting an external component.

[0012] Preferably, the outer circumferential surface of the transmission sleeve is provided with a straight guide.

[0013] The inner circumferential surface of the connecting ring is provided with a guide portion matched with the straight guide, and the end surface of the guide portion is the second abutting portion along the axial direction of the transmission sleeve.

[0014] The top of the straight guide is provided with a groove, the groove bottom is not lower than the bottom of the straight guide, and the groove extends to the side surface of the straight guide along the circumferential direction of the transmission sleeve, and one side groove wall of the groove is the first abutting portion along the axial direction of the transmission sleeve.

[0015] Alternatively,

[0016] The side surface of the straight guide is provided with a protrusion along the circumferential direction of the transmission sleeve, and one side surface of the protrusion is the first abutting portion along the axial direction of the transmission sleeve.

[0017] Preferably, the straight guide is a first straight spline, the inner circumferential surface of the connecting ring is provided with a second straight spline matched with the straight guide, and the second abutting portion is arranged on the second straight spline.

[0018] Preferably, a protrusion is arranged along the radial direction of the transmission sleeve from the outer surface of the transmission sleeve, and one side surface of the protrusion is the first abutting portion along the axial direction of the transmission sleeve.

[0019] Preferably, the transmission sleeve comprises a first sleeve and a second sleeve, the first sleeve and the second sleeve are coaxially arranged,

[0020] Further comprising a sleeve, at least one of the first sleeve and the second sleeve is detachably connected with the sleeve through the connecting ring, and the end portion of the first sleeve and / or the second sleeve detachably connected with the sleeve is inserted into the sleeve.

[0021] Preferably, when at least one of the first sleeve and the second sleeve is detachably connected with the sleeve through the connecting ring, the distance between the connecting ring for connecting with the sleeve and the sleeve is greater than zero along the axial direction of the transmission sleeve.

[0022] As a second aspect of the utility model, a solar energy device is provided, comprising the transmission assembly, further comprising a light receiving member and a stand, and the transmission assembly is connected with the light receiving member and the stand respectively.

[0023] Preferably, the light receiving member is at least two photovoltaic panels; the solar energy device further comprises at least one clutch, the clutch is sleeved on the transmission sleeve; the clutch comprises a fixed part and a rotating part, the fixed part is sleeved on the transmission sleeve and the fixed part in at least one clutch is connected to the mounting position, the rotating part is connected to the fixed part, when the clutch is closed, the rotating part and the fixed part can be driven to rotate by the transmission assembly, when the clutch is separated, the fixed part is driven to rotate around the axis of the transmission sleeve relative to the rotating part; the fixed part and the rotating part are respectively fixedly connected to one of the photovoltaic panels.

[0024] Preferably, the number of clutches is two, the connecting ring is fixedly connected with one of the clutches; the transmission assembly further comprises an end flange, the end flange is fixedly connected to the end of the transmission sleeve, and the end flange is fixedly connected with another clutch.

[0025] The utility model discloses the beneficial effects are:

[0026] 1, the transmission assembly proposed in the application, the first resistance part is arranged on the outer circumferential surface of the cylindrical transmission sleeve, and the second resistance part and the mounting position are arranged on the connecting ring, the transmission sleeve can be detachably connected with external loads such as gearboxes and clutches through the cooperation of the connecting ring and the transmission sleeve, so that the transmission sleeve is convenient to install during assembly and processing, and when the external structure fails or is damaged, the transmission sleeve is also convenient to disassemble, the maintenance and repair procedure is simplified, and therefore the economy is improved.

[0027] 2, when the length of the transmission sleeve in the transmission assembly is required to be longer or the transmission sleeve needs to be processed in multiple sections, the transmission assembly proposed in the application further comprises a sleeve, and when the first sleeve is detachably connected with the sleeve through the connecting ring, the distance between the connecting ring used for connecting the sleeve and the sleeve is greater than zero in the axial direction of the transmission sleeve, so that the tightness of connecting the connecting ring to the sleeve through bolts or screws is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the axial side schematic view of the transmission assembly in the embodiment.

[0029] Figure 2 It is the exploded view of Figure 1 .

[0030] Figure 3 It is the partial enlarged view of A in Figure 2 .

[0031] Figure 4 It is the front view of Figure 1 .

[0032] Figure 5 As Figure 4 A cross-sectional view at B-B.

[0033] Figure 6 A schematic diagram of the solar device tracking state in this embodiment.

[0034] Figure 7 A schematic diagram of the solar device folding state in this embodiment.

[0035] Figure 8 As Figure 6 Or Figure 7 A schematic diagram of one embodiment of the transmission assembly connected with the clutch.

[0036] Figure 9 As Figure 8 A schematic diagram of the exploded view.

[0037] Wherein:

[0038] 1, main shaft; 2, transmission nut;

[0039] 3, driving member; 31, gear; 32, motor; 33, first housing; 34, second housing;

[0040] 4, transmission sleeve; 41, first sleeve; 411, first abutting portion; 42, second sleeve; 43, connecting ring; 431, second straight key; 44, first straight key;

[0041] 5, end assembly; 6, transmission assembly; 61, end flange; 62, end fixing member; 7, clutch; 8, photovoltaic panel; 9, stand. DETAILED DESCRIPTION

[0042] The utility model will be further explained in detail in combination with the specific drawings of the utility model. Figures 1 to 9

[0043] As the first aspect of the specific embodiment, as Figures 1 to 5 ​As shown, a transmission assembly 6 is proposed, comprising a main shaft 1, a transmission nut 2, a transmission sleeve 4, an active member 3 and a helical spline pair; the transmission nut 2 is sleeved on the main shaft 1, the active member 3 is in transmission cooperation with the transmission nut 2, and the transmission sleeve 4 is sleeved on the outer circumference of the transmission nut 2; the helical spline pair is separately provided on the outer circumference of the transmission nut 2 and the inner circumference of the transmission sleeve 4; under the action of the active member 3, the transmission nut 2 moves along the axis of the main shaft 1, and when the transmission nut 2 moves relative to the main shaft 1, under the action of the helical spline pair, the transmission The movable sleeve 4 rotates around the axis of the main shaft 1; the outer circumferential surface of the transmission sleeve 4 is provided with at least one first abutting portion 411; it also includes a connecting ring 43, which is sleeved on the transmission sleeve 4, and the connecting ring 43 is provided with a second abutting portion that cooperates with the first abutting portion 411. When the second abutting portion cooperates with the first abutting portion 411, the connecting ring 43 cannot move toward at least one side of the first abutting portion 411 along the axial direction of the main shaft 1 relative to the transmission sleeve 4; the connecting ring 43 is also provided with a mounting position for connecting external components.

[0044] In this embodiment, the active component 3 is used to directly connect to the external power source and transmit the power input from the external power source to enable the load to achieve the desired movement. The active component 3 can be as follows: Figure 2 The gear 31 shown can also be a screw and a screw nut. Figure 2 When the gear 31 is shown, in order to facilitate the connection of the external power source motor 32, the active member 3 further includes a first shell 33 and a second shell 34. The first shell 33 and the second shell 34 are combined to form a chamber capable of accommodating the gear 31. The motor 32 is fixedly connected to the first shell 33 and / or the second shell 34.

[0045] In this embodiment, when the second abutting portion cooperates with the first abutting portion 411, the connecting ring 43 cannot move toward at least one side of the first abutting portion 411 along the axial direction of the main shaft 1 relative to the transmission sleeve 4, which means that the connecting ring 43 can be sleeved on the transmission sleeve 4 from one end of the transmission sleeve 4, and when the connecting ring 43 slides relative to the transmission sleeve 4 to the first abutting portion 411 and abuts against the second abutting portion, the connecting ring 43 cannot continue to slide toward the other end.

[0046] In order to limit the circumferential movement of the connecting ring 43 along the transmission sleeve 4, a straight guide is provided on the outer circumference of the transmission sleeve 4, and a guide portion adapted to the straight guide is provided on the inner circumference of the connecting ring 43. The connecting ring 43 is sleeved on the transmission sleeve 4 through the straight guide. The connecting ring 43 can only move linearly along the straight guide direction on the transmission sleeve 4. Along the axial direction of the transmission sleeve 4, the end face of the guide portion serves as the second supporting portion.

[0047] The first abutting part 411 can be arranged on the top of the straight guide in the circumferential direction of the transmission sleeve 4, and the bottom of the groove is not lower than the bottom of the straight guide. The groove extends to the side surface of the straight guide in the circumferential direction of the transmission sleeve 4. In the axial direction of the transmission sleeve 4, the first abutting part 411 is one side wall of the groove. In other embodiments, a protrusion is arranged on the side surface of the straight guide in the circumferential direction of the transmission sleeve 4. In the axial direction of the transmission sleeve 4, the first abutting part 411 is one side surface of the protrusion.

[0048] In addition, in some embodiments as shown in Figures 1 to 3 the straight guide is a first straight spline 44, the inner circumferential surface of the connecting ring 43 is provided with a second straight spline 431 matched with the first straight spline 44, and the second abutting part is arranged on the second straight spline 431. After the connecting ring 43 is sleeved on the transmission sleeve 4 through the second straight spline 431, the connecting ring 43 is moved to a position where the second abutting part contacts the first abutting part 411, the connecting ring 43 is rotated to make the second abutting part and the first abutting part 411 face each other, and then the connecting ring 43 is fixedly connected with the external component through the mounting position.

[0049] It should be noted that the number and structure of the first abutting part 411 and the second abutting part can be adjusted according to actual use scenarios and are not limited, as long as the face contact is met and the overall structure can maintain a stable state under working conditions.

[0050] In some embodiments, a protrusion is arranged on the outer surface of the transmission sleeve 4 in the radial direction of the transmission sleeve 4. In the axial direction of the transmission sleeve 4, one side surface of the protrusion is the first abutting part 411. When it is necessary to fix the external component (such as a clutch 7) to the transmission sleeve 4, the external component is sleeved on the other side of the protrusion of the transmission sleeve 4, the connecting ring 43 is sleeved on the transmission sleeve 4, the second abutting part and the first abutting part 411 face each other, the connecting ring 43 is fixedly connected with the external component, and the external component is fixedly connected with the transmission sleeve 4.

[0051] In some embodiments, the transmission sleeve 4 includes a first sleeve 41 and a second sleeve 42 arranged coaxially, and a pipe sleeve. At least one of the first sleeve 41 and the second sleeve 42 is detachably connected with the pipe sleeve through the connecting ring 43, and the end of the first sleeve 41 and / or the second sleeve 42 which is detachably connected with the pipe sleeve is inserted into the pipe sleeve.

[0052] As shown in Figure 3 when at least one of the first sleeve 41 and the second sleeve 42 is detachably connected with the pipe sleeve through the connecting ring 43, the distance between the connecting ring 43 and the pipe sleeve in the axial direction of the transmission sleeve 4 is greater than zero. Specifically, there are three cases:

[0053] The first case: the first sleeve 41 is separate from the pipe sleeve, and the second sleeve 42 is integrated with the pipe sleeve. Along the axial direction of the transmission sleeve 4, the distance between the connecting ring 43 for connecting with the pipe sleeve and the pipe sleeve is greater than zero, which ensures the tightness of the connection between the first sleeve 41 and the second sleeve 42.

[0054] The second case: the second sleeve 42 is separate from the pipe sleeve, and the first sleeve 41 is integrated with the pipe sleeve. Along the axial direction of the transmission sleeve 4, the distance between the connecting ring 43 for connecting with the pipe sleeve and the pipe sleeve is greater than zero, which also ensures the tightness of the connection between the first sleeve 41 and the second sleeve 42.

[0055] The third case: the first sleeve 41 and the second sleeve 42 are both separate from the pipe sleeve. The number of connecting rings 43 is two, the first sleeve 41 and the second sleeve 42 are respectively provided with the first abutting part 411, the pipe sleeve is arranged between the first sleeve 41 and the second sleeve 42, and the two connecting rings 43 are arranged on the first sleeve 41 and the second sleeve 42 respectively and fixedly connected with the pipe sleeve through the respective mounting positions. Moreover, along the axial direction of the transmission sleeve 4, the distance between the connecting ring 43 for connecting with the pipe sleeve and the pipe sleeve is greater than zero. It should be noted that, in the embodiment shown in Figure 2 , the pipe sleeve is integrated in the driving member 3 and is disassembled into the first housing 33 and the second housing 34. In other embodiments, the pipe sleeve can be integrated in the clutch 7 or other components, which will not be described here.

[0056] In some embodiments, the transmission assembly 6 further comprises an end assembly 5, as shown in Figure 2 , the end assembly 5 is located at the end of the transmission sleeve 4, which not only can keep the whole transmission assembly 6 stable, but also can be fixedly connected with external components through the flange plate provided on the end assembly 5.

[0057] As a second aspect of the present specific embodiment, a solar device is provided, which comprises the above-mentioned transmission assembly 6 and further comprises a light receiving member and a stand 9, and the transmission assembly 6 is connected with the light receiving member and the stand 9 respectively.

[0058] In some embodiments, the light receiving member is at least two photovoltaic panels 8, and the solar device further comprises a clutch 7 provided with a second abutting part on the inner circumferential surface, and the clutch 7 is sleeved on the transmission sleeve 4. The clutch 7 comprises a fixed member and a rotating member which are relatively rotatable around the axis of the transmission sleeve 4, the fixed member is fixedly connected with the transmission sleeve 4, and the fixed member and the rotating member are fixedly connected with different photovoltaic panels 8 respectively. The clutch 7 comprises a fixing position matched with the mounting position, and the connecting ring 43 is fixedly connected with the fixing position.

[0059] In Figure 7In the shown embodiment, the inner circumferential surface of the clutch 7 is provided with a third straight spline which cooperates with the first straight spline 44. In other embodiments, the third straight spline can be other structures having a guiding function. The clutch 7 is sleeved on the transmission sleeve 4 provided with the first straight spline 44 on the outer circumferential surface through the third straight spline. The cooperation of the third straight spline enables the clutch 7 to move only in the axial direction of the transmission sleeve 4. The cooperation of the connecting ring 43 and the second abutting portion on the transmission sleeve 4 limits the movement of the clutch 7 in the axial direction, thereby fixing the clutch 7 at a predetermined position of the transmission sleeve 4.

[0060] In Figure 6 and Figure 7 In some embodiments shown in the drawings, the number of clutches 7 is two, and the connecting ring 43 is fixedly connected with the fixing member in one of the clutches 7. The transmission assembly 6 further comprises a terminal flange 61 and a terminal fixing member 62. The terminal fixing member 62 is fixedly connected with the main shaft 1, and the terminal flange 61 is fixedly connected with the end portion of the transmission sleeve 4. The terminal flange 61 is fixedly connected with the other clutch 7. The fixing connection between the terminal fixing member 62 and the main shaft 1 can be welding, clamping or threaded connection, etc.

[0061] As Figure 8 and Figure 9 shown, the light receiving member is a photovoltaic panel 8, which has two states of folding and tracking, and includes a plurality of transmission assemblies 6 described above. In addition, the light receiving member can be a heat collecting pipe, a light collecting groove or other components for utilizing solar energy.

[0062] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise. In addition, it should be understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0063] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, unless otherwise stated. Therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0064] In the description of the utility model, it is necessary to explain that, unless another explicit provision and limitation, the term "is equipped with" "connection" and the like, should do the broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0065] The above only is the preferred embodiment of the utility model, and all the changes and modifications made according to the patent range of the utility model should belong to the coverage range of the utility model.

Claims

1. A transmission assembly, characterized in that: It includes a main shaft, a transmission nut, a transmission sleeve, an active member and a helical spline pair; the transmission nut is sleeved on the main shaft, the active member is in transmission cooperation with the transmission nut, and the transmission sleeve is sleeved on the outer circumference of the transmission nut; The helical spline pair is respectively provided on the outer circumference of the transmission nut and the inner circumference of the transmission sleeve; Under the action of the active member, the transmission nut moves along the axis of the main shaft, and when the transmission nut moves relative to the main shaft, under the action of the helical spline pair, the transmission sleeve rotates around the axis of the main shaft; The outer circumferential surface of the transmission sleeve is provided with at least one first abutting portion; The connecting ring further comprises a connecting ring, the connecting ring being sleeved on the transmission sleeve and provided with a second abutting portion cooperating with the first abutting portion, wherein when the second abutting portion cooperates with the first abutting portion, the connecting ring cannot move toward at least one side of the first abutting portion relative to the transmission sleeve along the axis of the main shaft; The connecting ring is also provided with a mounting position for connecting external components.

2. The transmission assembly according to claim 1, wherein: The outer circumference of the transmission sleeve is provided with a straight guide; The inner circumference of the connecting ring is provided with a guide portion adapted to the straight guide, and along the axial direction of the transmission sleeve, the end surface of the guide portion serves as a second abutting portion; A groove is provided on the top of the straight guide, and the bottom of the groove is not lower than the bottom of the straight guide, and the groove extends along the circumference of the transmission sleeve toward at least one end and extends to the side surface of the straight guide, and along the axial direction of the transmission sleeve, a side wall of the groove serves as the first abutting portion; or, A protrusion is provided on the side surface of the straight guide along the circumferential direction of the transmission sleeve, and along the axial direction of the transmission sleeve, one side surface of the protrusion serves as the first supporting portion.

3. The transmission assembly according to claim 2, wherein: The straight guide is a first straight spline, the inner circumference of the connecting ring is provided with a second straight spline matched with the straight guide, and the second supporting portion is provided on the second straight spline.

4. The transmission assembly according to claim 1, wherein: A protrusion is provided from the outer surface of the transmission sleeve along the radial direction of the transmission sleeve, and along the axial direction of the transmission sleeve, one side surface of the protrusion serves as the first supporting portion.

5. The transmission assembly according to any one of claims 1 to 4, characterized in that: The transmission sleeve includes a first sleeve and a second sleeve, wherein the first sleeve and the second sleeve are coaxially arranged. It also includes a pipe sleeve, at least one of the first sleeve and the second sleeve is detachably connected to the pipe sleeve through the connecting ring; and the ends of the first sleeve and / or the second sleeve detachably connected to the pipe sleeve are inserted into the pipe sleeve.

6. The transmission assembly according to claim 5, wherein: When at least one of the first sleeve and the second sleeve is detachably connected to the pipe sleeve via the connecting ring, a distance between the connecting ring connected to the pipe sleeve and the pipe sleeve along the axial direction of the transmission sleeve is greater than zero.

7. A solar device, characterized in that: The transmission assembly comprises the transmission assembly according to any one of claims 1 to 6, further comprising a light receiving member and a column, wherein the transmission assembly is connected to the column via the main shaft, and the light receiving member is connected to the transmission sleeve.

8. The solar device according to claim 7, wherein: The light receiving element is at least two photovoltaic panels; The solar device further comprises at least one clutch, wherein the clutch is sleeved on the transmission sleeve; The clutch includes a fixed member and a rotating member, wherein the fixed member is sleeved on the transmission sleeve and the fixed member in at least one of the clutches is connected to the mounting position, and the rotating member is connected to the fixed member. When the clutch is closed, the rotating member and the fixed member can be driven to rotate by the transmission assembly. When the clutch is disengaged, the fixed member is driven by the transmission assembly to rotate relative to the rotating member around the axis of the transmission sleeve. The fixing member and the rotating member are respectively fixedly connected to one photovoltaic panel.

9. The solar device according to claim 8, wherein: There are two clutches, and the transmission assembly further includes an end flange, which is fixedly connected to the end of the transmission sleeve, and the end flange is fixedly connected to one of the clutches.

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