CN221033841U - Transmission structure suitable for solar device and solar device - Google Patents

Abstract

The utility model relates to a transmission structure, which comprises a driving piece and a driven piece, wherein spiral teeth are arranged on the circumferential surface of the driving piece, the diameter of the driving piece is D, the tooth spacing between adjacent spiral teeth is H, the D is not less than 40mm, and the ratio of the D to the H is not less than 6; the driven piece extends in a strip shape along the axial direction of the driving piece, and driven teeth matched with the spiral teeth are arranged on at least one side of the driven piece in the length direction; the spiral teeth are meshed with the driven teeth, and when the driving piece rotates, the driven piece is driven to move along the extending track through tooth meshing. The utility model also discloses a solar device which uses the transmission structure. The beneficial effects are as follows: the self-locking of the transmission structure is ensured, the cost is reduced, the service life is prolonged, and multi-axis synchronization is facilitated.

Description

Transmission structure suitable for solar device and solar device

Technical Field

The utility model relates to the field of solar energy, in particular to a transmission structure suitable for a solar device and the solar device.

Background

Solar energy is used as a clean renewable energy source to be increasingly applied, so as to improve the utilization efficiency of solar energy, and currently, in the solar energy field, a light receiving component is driven to track sunlight through a transmission structure, so that the sunlight always vertically irradiates on the light receiving component.

The solar device, whether it is solar photovoltaic or solar water heater, needs to be installed outdoors, therefore, when there is air flow (wind), the wind is very easy to cause the light receiving component to generate unwanted movement due to acting force on the light receiving component, so that the light receiving component cannot face the sun, and the efficiency is reduced.

In order to ensure that the light receiving component cannot change in angle when the light receiving component receives the acting force of wind, braking needs to be added at a power source for driving the light receiving component to rotate so as to track sunlight, so that the cost is increased, for example, a motor is additionally provided with a brake, or a transmission structure can have a self-locking function, namely, when the acting force acts on an input end of the transmission structure, a load can be driven to realize movement, and when the acting force acts on the load end, the load cannot be driven to move, for example, a worm gear, a trapezoidal screw rod and the like; in addition, when the area of the light receiving component in the solar device is larger, for example, the area is more than 5 square meters, multiple groups of transmission structures are required to be driven simultaneously, and at this time, the transmission synchronism among the multiple groups of transmission structures is particularly important.

When the worm gear is selected as a transmission structure, the worm gear rotates after the worm gear is driven by the worm gear, so that when the light receiving component is driven by the worm gear, a connecting rod is required to be arranged to drive the light receiving component to move, and the cost is increased; or the worm wheel is directly arranged at the joint of the light receiving assembly and the base, at the moment, the acting force required by the driving device to drive the load to move is larger, namely the power requirement on a power source such as a motor is larger, the cost is increased, and the acting force acting on the driving device is larger when the load is subjected to external force, so that the service life of the driving structure is shortened; meanwhile, the rotation direction of the worm driven by the power source is orthogonal or nearly orthogonal to the rotation direction of the worm wheel driven by the worm, so that one group of worm wheels and worm rods are driven by one motor, and synchronous transmission is not easy to keep among multiple groups of worm wheels and worm rods.

When the trapezoidal screw is used as a transmission structure, the screw drives the screw nut to linearly move, but because the screw itself needs a space for arrangement, when the trapezoidal screw is used as the transmission structure, a connecting rod is needed, and the screw nut can drive a load to move through the connecting rod, so that the cost is increased.

Disclosure of utility model

The primary objective of the present utility model is to provide a transmission structure to solve the problem of increased cost caused by the need to solve the problem that the load does not undesirably move when the load is driven by the transmission structure and is subject to external force.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

As a first aspect of the present utility model, a transmission structure suitable for a solar device includes a driving member and a driven member, wherein

Spiral teeth are arranged on the circumferential surface of the driving piece, the diameter of the driving piece is D, the tooth spacing between adjacent spiral teeth is H, D is not smaller than 40mm, and the ratio of D to H is not smaller than 6;

The driven piece extends in a strip shape along the axial direction of the driving piece, and driven teeth matched with the spiral teeth are arranged on at least one side of the driven piece in the length direction;

The spiral teeth are meshed with the driven teeth, and when the driving piece rotates, the driven piece is driven to move along an extending track through tooth meshing;

According to the transmission structure provided by the utility model, the driving piece is utilized to drive the driven piece, and as the driven piece is in a strip shape formed by extending along the axial direction of the driving piece, at least one end of the driven piece is only required to be connected with a load, and when the driving piece rotates, the driving piece is meshed with the driven teeth on the driven piece through the spiral teeth on the driving piece to realize transmission, so that the driven piece can move along an extending track and drive the load to move; meanwhile, because the driving part has self-locking property in transmission, namely, the driving part cannot rotate under the driving of the driven part, when the load is subjected to external force, the driven part cannot move relative to the driving part, and the load cannot undesirably move;

Meanwhile, when the ratio of the diameter D of the driving piece to the tooth space H of the adjacent spiral teeth is not smaller than 6, the self-locking between the driving piece and the driven piece is ensured, and meanwhile, the transmission efficiency is correspondingly optimized.

Further, the D is not less than 40mm, and the D is not more than 200mm.

Further, the ratio of D to H is no greater than 20.

Further, the driven piece is arc-shaped.

Further, the circumferential surface of the driving part is provided with an arc-shaped recess consistent with the radian of the driven part, and the spiral teeth are arranged on the bottom surface of the arc-shaped recess.

Further, at least one of the number of followers, a plurality of follower arrays are arranged and connected by the connecting member, and driven teeth in each follower are engaged with the helical teeth.

Further, the transmission structure provided by the utility model further comprises a fixing seat, wherein the fixing seat comprises a base and a supporting part arranged on the base, and the driving part is arranged on the supporting part.

Furthermore, the fixing seat of the transmission structure provided by the utility model further comprises a through hole penetrating through the base in the same axial direction as the driving part, and the driven part is arranged in the through hole and penetrates through the through hole.

Further, a cavity is formed in the base, the through hole penetrates through the cavity, and at least the spiral teeth in the driving piece are located in the cavity.

Further, the transmission structure provided by the utility model further comprises a limiting structure for ensuring that the driven teeth and the spiral teeth form tooth engagement, wherein the limiting structure is arranged on the base, and the limiting structure is connected with the driven piece.

Further, the limiting structure is a pulley.

As a second aspect of the present utility model, a solar device is used having the above-described transmission structure.

Further, the solar device provided by the utility model comprises a light receiving component and a base, wherein the light receiving component is hinged to the base, the number of the transmission structures is at least two, driving parts in each transmission structure are connected with the base, driven parts in each transmission structure are connected with the light receiving component, and the solar device further comprises a linkage structure, and driving parts in a plurality of groups of transmission structures are in transmission connection through the linkage structure.

The utility model relates to a transmission structure suitable for a solar device and the solar device, which has the beneficial effects that: the self-locking of the transmission structure is ensured, the cost is reduced, the service life is prolonged, and multi-axis synchronization is facilitated; the concrete steps are as follows:

Firstly, according to the transmission structure provided by the utility model, the driving piece is utilized to drive the driven piece, and meanwhile, the driven piece is arranged to be in a strip shape formed by extending along the axial direction of the driving piece, so that at least one end of the driven piece is only required to be connected with a load, and when the driving piece rotates, the driving piece is meshed with the driven teeth on the driven piece through the spiral teeth on the driving piece to realize transmission, and the driven piece can move along an extending track and drive the load to move; meanwhile, the self-locking property of the driving part transmission, namely, the driving part cannot rotate under the driving of the driven part, so that when the load is subjected to external force, the driven part cannot move relative to the driving part, and the load cannot move undesirably, so that self-locking is ensured; compared with the existing driving part worm wheel transmission mode, the driving part worm wheel transmission mode has the advantages that the load is not required to be driven to move through the connecting rod, and the transmission structure suitable for the solar device is not required to be arranged at the hinge part in the installation mode, so that the cost is reduced, and the service life is prolonged.

Secondly, because the driving structure provided by the utility model has the shape of the driven piece which is strip-shaped, and the movement direction of the driven piece is the same as the axial direction of the driving piece, when a plurality of groups of driving structures provided by the utility model are used in the same solar device, the driving piece is more favorably connected in a driving way through the linkage structure, namely the transmission synchronism of the plurality of groups of driving structures is ensured.

And in addition, as the light receiving component in the solar device has light dead weight, under the condition that the self-locking of the transmission structure is ensured, and after the transmission structure is arranged to connect the transmission structures in a transmission way, the number of power sources, namely motors, can be reduced, and the motors do not need to be provided with brake blocks, so that the cost is further reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following brief description of the drawings of the embodiments will be made, it being apparent that the drawings in the following description relate only to some embodiments of the present application and are not limiting of the present application.

FIG. 1 is a schematic view of a hidden partial follower suitable for use in an embodiment of a solar energy device transmission structure according to the present application;

FIG. 2 is a schematic view of the hidden portion fixing base of FIG. 1;

FIG. 3 is a schematic view of an active member of an embodiment of a solar energy device transmission structure according to the present application;

FIG. 4 is a schematic view of a solar device according to a first embodiment of the present application;

Fig. 5 is a schematic view illustrating a second state of an embodiment of a solar device according to the present application.

Wherein: 1. a transmission structure; 11. a driving member; 111. spiral teeth; 112. an input end; 12. a follower; 121. driven teeth; 13. a connecting piece; 14. a support part; 15. a limit structure; 16. a fixing seat; 161. a through hole; 17. connecting shaft

2. A solar energy device; 21. a base; 22. a light receiving element;

3. and a linkage structure.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

As a first aspect of the present embodiment, as shown in fig. 1 to 5, a transmission structure 1 suitable for a solar device includes a driving member 11 and a driven member 12, wherein a circumferential surface of the driving member 11 is provided with helical teeth 111, a diameter of the driving member 11 has a value of D, a tooth pitch of adjacent helical teeth 111 has a value of H, the D is not less than 40mm, and a ratio of the D to the H is not less than 6; the follower 12 extends in a strip shape along the axial direction of the driving member 11, and at least one side in the length direction is provided with a follower tooth 121 adapted to the helical tooth 111; the helical teeth 111 are engaged with the driven teeth 121, and when the driving member 11 rotates, the driven member 12 is driven to move along the extending track through the tooth engagement.

The driving member 11 is utilized to drive the driven member 12, and since the driven member 12 is in a strip shape formed by extending along the axial direction of the driving member 11, at least one end of the driven member 12 is only required to be connected with a load, and when the driving member 11 rotates, the driving member 11 is meshed with the driven teeth 121 on the driven member 12 through the helical teeth 111 on the driving member 11 to realize transmission, so that the driven member 12 can move along an extending track and drive the load to move; meanwhile, the self-locking property of the driving part 11 is utilized, that is, the driving part 11 cannot rotate under the driving of the driven part 12, so that when the load is subjected to external force, the driven part 12 cannot move relative to the driving part 11, and the load cannot move undesirably.

In this embodiment, the driving member 11 is directly or indirectly connected to the power source, and the driving member 11 is meshed with the teeth of the driven member 12 to transmit the force of the power source to the driven member 12, so, in this embodiment, the driving member 11 may be a worm, a trapezoidal screw, or the like according to the difference of the spiral teeth 111, wherein in this embodiment, the driving member 11 is preferably a worm.

It should be further noted that in the transmission structure 1 such as a worm wheel, a trapezoidal screw, or the like, not all of which can be self-locked, self-locking can be achieved only when the lead angle of the screw tooth 111 of the worm or the lead tooth 111 of the trapezoidal screw is smaller than a certain angle.

Through testing, the driving structure 1 for a solar device provided in this embodiment is suitable for driving the driving member 11 to rotate, i.e. self-locking cannot be achieved, when the diameter of the driving member 11 is 40mm and the tooth spacing between adjacent helical teeth 111 of the driving member 11 is 10mm, a force is applied to the driven member 12 along the extending direction of the driven member 12.

In the process of continuously verifying the self-locking performance under the same processing precision, it is found that when the diameter of the driving member 11 is 40mm and the tooth spacing between the adjacent spiral teeth 111 of the driving member 11 is 6.5mm or less, the driven member 12 is applied with a force along the extending direction of the driven member 12, so that the worm cannot be driven to rotate, that is, the self-locking is realized by the transmission structure 1 suitable for the solar device, which is provided by the embodiment.

And under the condition that the self-locking is realized by the transmission structure 1 suitable for the solar device, the situation that the driven teeth 121 of the driven member 12 fail usually occurs when the acting force is continuously increased, wherein when the tooth spacing is 6.5mm, the acting force required for enabling the driven teeth 121 of the driven member 12 to fail is close to 8500 newtons.

As is well known, the destructive power of wind is extremely strong, and the uncertainty of wind direction and wind speed makes the difficulty of avoiding the influence of wind extremely great, wherein, many scenes which can be applied to the transmission structure 1 of the solar device and are proposed by the embodiment need to consider the influence of wind so as to avoid the failure or damage of the transmission structure 1 caused by the wind; for example, the driving structure 1 according to the present embodiment is used to open or close a door or a window of an external wall of a building, and for example, the driving structure 1 according to the present embodiment drives an outdoor billboard to move to adapt to viewing at different angles, and for example, the driving structure 1 according to the present embodiment is used to drive the solar device 2 to adjust the illumination angle so as to improve the efficiency of the solar device 2, and such application scenarios are not exhaustive, so that when the driving structure 1 according to the present embodiment is applied to a scenario with strong uncertainty such as wind and difficult to avoid, it should be understood that the scope of the present application is within the scope of the present application.

Wherein, in combination with the formula wp=v ²/1600 of wind pressure and wind speed in the prior art, according to 13-level wind (calculated according to 41.5 meters per second), the acting force of wind received per square meter is about 1100 newtons, so when the diameter D of the transmission structure 1 proposed in the embodiment is 40mm, and the tooth spacing H is 6.5mm, the transmission structure can be used for supporting the load approaching 7.5 square meters to keep a locking state against 13-level wind under the condition of not considering the dead weight of the load and the strength of other connecting components.

Accordingly, when the tooth space H is set, the self-locking can be ensured as the diameter D of the driving element 11 increases, that is, when a force is applied to the driven element 12 in the direction of the movement locus thereof, it can be ensured that the driven element 12 does not move relative to the driving element 11.

Meanwhile, it is known through testing that, as the diameter D of the driving member 11 increases, the tooth space H can be properly increased under the condition of ensuring self-locking, and the self-locking condition is satisfied in that the ratio of the diameter D of the driving member 11 to the tooth space H is not less than 6, for example, the ratio is 7, 8, 9, 10, 12, 15, 20, and the like, and self-locking can be realized.

Further, when the diameter of the driving member 11 is larger, the power source required for driving the same load is larger, that is, the required motor power is larger, so that in the present embodiment, the value of the diameter D of the driving member 11 is preferably any value of 40mm to 200mm, that is, the value of D is not less than 40mm and not more than 200mm, for example, the value of D is any one of 44mm, 50mm, 60mm, 80mm, 100mm, 120mm, 150mm, 180mm, 200mm, and the like.

Further, since the larger the ratio of the diameter D of the driving member 11 to the tooth space H, the smaller the thickness of the helical tooth 111 itself, and thus the smaller the force applied to the driven member 12 along the moving track direction of the driven member 12, the ratio of the diameter D of the driving member 11 to the tooth space H is preferably between 6 and 20, i.e., the ratio of D to H is not less than 6 and not more than 20.

The driving member 11 is utilized to drive the driven member 12, and since the driven member 12 is in a strip shape formed by extending along the axial direction of the driving member 11, at least one end of the driven member 12 is only required to be connected with a load, and when the driving member 11 rotates, the driving member 11 is meshed with the driven teeth 121 on the driven member 12 through the helical teeth 111 on the driving member 11 to realize transmission, so that the driven member 12 can move along an extending track and drive the load to move; meanwhile, because the driving member 11 has self-locking property, that is, the driving member 11 cannot rotate under the driving of the driven member 12, when the load is subjected to external force, the driven member 12 cannot move relative to the driving member 11, and the load cannot undesirably move.

It should be understood that, the driven member 12 may extend in the axial direction of the driving member 11, or may extend in a straight line parallel to the axial direction of the driving member 11, where the driven member 12 is in a straight strip shape, or may simply extend to be consistent with the axial direction of the driving member 11, where the driven member 12 is in an arc-shaped strip shape.

Further, in the present embodiment, as shown in fig. 1 to 5, the follower 12 is preferably in an arc-shaped strip shape.

Further, in this embodiment, in order to maximize the number of teeth that can make contact between the driven member 12 and the driving member 11, in the case where the driven member 12 is in the shape of an arc, an arc-shaped recess corresponding to the arc of the driven member 12 is provided around the circumferential surface of the driving member 11, and the helical teeth 111 are provided on the bottom surface of the arc-shaped recess.

Further, in the present embodiment, at least one of the followers 12 is disposed in an array, and a plurality of followers 12 are connected by the connecting member 13, and the driven teeth 121 in each of the followers 12 are engaged with the helical teeth 111, wherein in fig. 1, 2, 4, and 5 of the present embodiment, the number of followers 12 is shown as two, it should be understood that the number of followers 12 may be three, four, or more in the manner of fig. 1, 2, 4, and 5.

It should be noted that, in the present embodiment, the driven member 12 is expressed as a strip shape, in order to improve the supporting strength of the driven member 12, it is expressed that at least one driven member 12 is connected by the connecting member 13, and in fact, a plurality of driven members 12 and the connecting member 13 may be integrally formed, for example, a structure similar to that of the driven member 12 described in the present embodiment is adopted, and a plurality of groups of recesses or groups of strip-shaped protrusions are provided on one side thereof, so that the wall of the recess may be regarded as the driven member 12, the bottom of the recess may be regarded as the connecting member 13, or the structural body thereof may be regarded as the connecting member 13, and the strip-shaped protrusions may be regarded as the driven member 12, so that only a simple shape or configuration change is made to the integral structure of the driven member 12 and the connecting member 13 expressed in the present application, which should be understood as being within the scope of the present application.

Meanwhile, in this embodiment, the connecting member 13 is preferably in a strip shape, and extends in the same direction along the extending direction of the driven member 12, and the driven member 12 and the connecting member 13 are connected, which may be connected by a bolt, a screw, or a known connecting member for connecting two members, or may be connected integrally by electric welding or the like.

It should be further noted that, in the present embodiment, the connecting member 13 is preferably in a strip shape, in fact, the connecting member 13 may also be in a column, block or truss structure, for example, after two driven members 12 as shown in fig. 1, 2, 4 and 5 are arranged in parallel, a plurality of column-shaped connecting members 13 may be arranged between the two driven members 12 to keep their relative positions fixed.

Further, as shown in fig. 1 to 5, in order to further facilitate the use of the solar device transmission structure 1 according to the present embodiment, in this embodiment, the proposed solar device transmission structure 1 further includes a fixing base 16, so that, in use, the proposed solar device transmission structure 1 according to the present embodiment may be connected to an external structure through a fixing member, and further facilitate the fixing of a power source for driving the driving member 11 to rotate, where the fixing base 16 includes a base and a supporting portion 14 disposed on the base, and the driving member 11 is disposed on the supporting portion 14.

It should be noted that, in this embodiment, the power source for driving the driving member 11 to rotate generally refers to a motor, and the input end 112 of the driving member 11 for forming a transmission connection with the motor is different according to the connection manner between the motor and the driving member 11, for example, the connection manner between the motor and the driving member 11 at least includes a coupling connection, a gear transmission connection, a driving member transmission connection, and the like.

It should be further noted that, depending on the shape of the driven member 12, the connection between the fixing base 16 and the external structure is different.

For example, as shown in fig. 4 and 5, when the transmission structure 1 for a solar device according to the present embodiment is applied to a solar device 2, the light receiving element 22 and the base 21 are hinged, and then the light receiving element 22 can rotate relative to the base 21 along the hinge axis.

When the driven member 12 is in a linear shape, the fixing seat 16 and the end portion of the driven member 12, which are suitable for the solar device transmission structure 1 according to the embodiment, are hinged with the base 21 and the light receiving component 22 in a one-to-one correspondence manner, and only three hinge axes are required to be ensured to be parallel, when the driving member 11 rotates, the driven member 12 can drive the light receiving component 22 to rotate relative to the base 21.

Or when the driven member 12 is in an arc strip shape, the fixing base 16 and the end of the driven member 12 in the solar device transmission structure 1 according to the present embodiment may be hinged with the base 21 and the light receiving component 22 in a one-to-one correspondence, but according to the different installation positions of the fixing base 16, in a specific case, for example, when the driven member 12 is located on a circle with the hinge axis of the light receiving component 22 and the base 21 as a center, the fixing base 16 and the end of the driven member 12 are fixedly connected with the base 21 and the light receiving component 22 in a one-to-one correspondence.

It should be noted that, the fact that the ends of the fixed base 16 and the driven member 12 are respectively in one-to-one correspondence with the base 21 and the light receiving element 22 means that the fixed base 16 is hinged to the base 21 through the connecting shaft 17, or is directly fixed to the base 21, and at this time, the driven member 12 is connected to the light receiving element 22 through the end or at least one end, or the fixed base 16 is correspondingly connected to the light receiving element 22, and at this time, the driven member 12 is connected to the base 21 through the end.

Further, according to the difference in the position of the driving member 11 disposed on the fixing seat 16, the relative positions of the driven member 12 and the fixing seat 16 are different, for example, when the supporting seat for fixing the driving member 11 is disposed on the surface of the fixing seat 16, the driven member 12 and the fixing seat 16 may not directly contact each other and only form tooth engagement with the driving member 11, where in this embodiment, as shown in fig. 1 and 2, the fixing seat 16 suitable for the solar device transmission structure 1 provided in this embodiment further includes a through hole 161 penetrating through the base and axially aligned with the driving member 11, and the driven member 12 is disposed in the through hole 161 and penetrates through the through hole 161.

Further, in this embodiment, in order to protect the helical teeth 111 on the surface of the driving member 11, for example, to prevent dust accumulation, or to prevent water when used outdoors, a chamber is provided in the base, the through hole 161 penetrates through the chamber, at least the helical teeth 111 in the driving member 11 are located in the chamber, and at this time, the driven teeth 121 on the driven member 12 and the helical teeth 111 on the driving member 11 form engagement in the chamber.

It should be noted that the driving member 11 may be located in the cavity as a whole, or only the helical teeth 111 may be located in the cavity, or the portion located in the cavity may include all the helical teeth 111.

Further, after the driving member 11 is limited in position by the fixing seat 16 through the supporting member, since the driven member 12 is in a strip shape, as shown in fig. 2, the driving structure 1 for a solar device according to the present embodiment further includes a limiting structure 15 for ensuring that the driven teeth 121 and the helical teeth 111 form tooth engagement, where the limiting structure 15 is disposed on the base, and the limiting structure 15 is connected with the driven member 12, that is, the limiting structure 15 is used to ensure a movement track of the driven member 12 relative to the driving member 11.

Further, in the present embodiment, the limiting structure 15 is a pulley, it should be noted that, in the present embodiment, the limiting structure 15 is a pulley, and in fact, other structures with guiding and limiting functions may be also used, for example, a sliding rail is disposed on the driven member 12 or the connecting member 13, and a sliding rail or a sliding block adapted to the sliding rail is disposed on the fixing seat 16; meanwhile, in the present embodiment, only one pulley is shown, and in practice, there may be a plurality of pulleys separately provided at different positions.

As a second aspect of the present embodiment, as shown in fig. 4 and 5, a solar device 2 is used with the transmission structure 1 as described above, where it should be understood that the solar device 2 generally includes a light receiving element 22 and a base 21, and in order to facilitate the transmission structure to drive the light receiving element 22 to rotate, the light receiving element 22 is generally rotationally connected, for example, by a rotation shaft, or hinged, with the base 21; at this time, only the driving member 11 and the driven member 12 need to be separately disposed on the light receiving component 22 and the base 21, when the motor drives the driving member 11 to rotate, the driven member 12 drives the light receiving component 22 to rotate relative to the base 21 along with the driving member 11, and the angle formed between the light receiving component 22 and the base 21 is a continuous change.

Further, in this embodiment, the light receiving component 22 is hinged to the base 21, the number of the driving structures 1 is at least two, each driving component 11 in each driving structure 1 is connected to the base 21, each driven component 12 in each driving structure 1 is connected to the light receiving component 22, and the light receiving device further includes a linkage structure 3, and multiple groups of driving components 11 in the driving structures 1 are in driving connection through the linkage structure 3.

It should be noted that, when the plurality of transmission structures 1 of the solar device according to the present embodiment are applied, the axes of the driving members 11 are parallel to each other, so that the plurality of transmission structures 1 can move synchronously through the linkage structure 3.

Furthermore, the linkage structure 3 may be a synchronous belt and a synchronous wheel, that is, the synchronous wheels are connected with the driving members 11 in a one-to-one correspondence manner, and the synchronous belt is in transmission connection with the synchronous wheels arranged on the driving members 11 of the plurality of transmission structures 1 at the same time, so that the plurality of transmission structures 1 can be driven by only one motor; the linkage structure 3 can also be a chain and a chain wheel, like a synchronous belt synchronous wheel, when the chain and the chain wheel are selected as the linkage structure 3, the chain wheel is only required to be connected with the driving piece 11, and the chain wheel is in transmission connection with the chain wheels on a plurality of driving pieces 11 through the chain, so that a plurality of transmission structures 1 can be driven by the same motor.

In the present embodiment, only the case where the linkage structure 3 is the timing belt and the timing wheel, and the chain and the sprocket are described, in practice, there are many structures capable of realizing the functions of the linkage structure 3, for example, driven gears are provided uniformly and correspondingly at the end portions of the plurality of driving members 11, and a plurality of transmission structures 1 can be driven by the same motor by arranging driving gears matched with the driven gears on the transmission rods, connecting the motor with the transmission rods, and driving the driving gears by the transmission rods when driving the transmission rods by the motor.

The transmission structure 1 and the solar device 2 of the embodiment have the beneficial effects that: the self-locking of the transmission structure 1 is ensured, the cost is reduced, the service life is prolonged, and multi-axis synchronization is facilitated; the concrete steps are as follows:

In the transmission structure 1 provided in this embodiment, the driving member 11 is used to drive the driven member 12, and meanwhile, the driven member 12 is set to be in a strip shape formed by extending along the axial direction of the driving member 11, so that when the driving member 11 rotates, the driven member 12 can move along the extending track and drive the load to move by engaging the spiral teeth 111 on the driving member 11 with the driven teeth 121 on the driven member 12 only by connecting at least one end of the driven member 12 with the load; meanwhile, because the driving part 11 has self-locking property in transmission, namely, the driving part 11 cannot rotate under the driving of the driven part 12, when the load is subjected to external force, the driven part 12 cannot move relative to the driving part 11, and the load cannot move undesirably, so that self-locking is ensured; compared with the prior driving part 11 worm wheel transmission mode, the application has the advantages that the load motion is not required to be driven by the connecting rod, and the transmission structure 1 provided by the application is not required to be arranged at the hinge joint in the installation mode, so that the cost is reduced, and the service life is prolonged.

Secondly, because the driving structure 1 proposed in this embodiment has a long strip shape, and the movement direction of the driven member 12 is the same as the axial direction of the driving member 11, when multiple groups of driving structures 1 proposed in this embodiment are used in the same solar device 2, the driving members 11 are more easily connected in a driving manner by the linkage structure 3, that is, the transmission synchronism of the multiple groups of driving structures 1 is ensured.

Again, because the light receiving component 22 in the solar device 2 as the load is light in weight, under the condition that the self-locking is ensured by the transmission structure 1 suitable for the solar device, which is provided by the embodiment, and after the transmission of the multiple groups of transmission structures 1 is connected by the linkage structure 3, the number of power sources, namely motors, can be reduced, and the motors do not need to be provided with brake, so that the cost is further reduced.

It should be noted that, the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, so they should not be construed as limiting the scope of the present application.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications and enhancements can be made by those skilled in the art without departing from the principles of the present utility model. Such modifications and variations are also considered to be a departure from the scope of the utility model.

Claims (13)

1. Transmission structure suitable for solar device, its characterized in that: comprising a driving part and a driven part, wherein

Spiral teeth are arranged on the circumferential surface of the driving piece, the diameter of the driving piece is D, the tooth spacing between adjacent spiral teeth is H, the D is not smaller than 40mm, and the ratio of the D to the H is not smaller than 6;

The driven piece extends in a strip shape along the axial direction of the driving piece, and driven teeth matched with the spiral teeth are arranged on at least one side of the driven piece in the length direction;

The spiral teeth are meshed with the driven teeth, and when the driving piece rotates, the driven piece is driven to move along the extending track through tooth meshing.

2. The transmission structure of claim 1, wherein: the D is not more than 200mm.

3. The transmission structure of claim 1, wherein: the ratio of D to H is not greater than 20.

4. The transmission structure of claim 1, wherein: the driven piece is arc-shaped.

5. The transmission structure of claim 4, wherein: the circumference surface of the driving part is provided with an arc-shaped recess consistent with the radian of the driven part, and the spiral teeth are arranged on the bottom surface of the arc-shaped recess.

6. The transmission structure of claim 1, wherein: the driven members are arranged in an array mode and are connected through the connecting pieces, and driven teeth in the driven members are meshed with the spiral teeth.

7. A transmission structure as claimed in any one of claims 1 to 6, wherein: the driving part is arranged on the supporting part.

8. The transmission structure of claim 7, wherein: the driven part is arranged in the through hole and penetrates through the through hole.

9. The transmission structure of claim 8, wherein: the base is internally provided with a cavity, the through hole penetrates through the cavity, and at least the spiral teeth in the driving piece are positioned in the cavity.

10. The transmission structure of claim 7, wherein: the device further comprises a limiting structure for ensuring tooth engagement between the driven teeth and the spiral teeth, wherein the limiting structure is arranged on the base, and the limiting structure is connected with the driven piece.

11. The transmission structure of claim 10, wherein: the limiting structure is a pulley.

12. A solar energy device, characterized in that: use of a transmission structure according to any one of claims 1 to 11.

13. The solar device of claim 12, wherein: the light receiving assembly is hinged to the base, the number of the transmission structures is at least two, driving pieces in each transmission structure are connected with the base, driven pieces in each transmission structure are connected with the light receiving assembly, the light receiving assembly further comprises a linkage structure, and driving pieces in the transmission structures are in transmission connection through the linkage structure.