A structurally compact windmill

Abstract

The present invention discloses a windmill with a compact structure, which includes a support shaft, a blade mounting seat rotatably sleeved on the support shaft, blades circumferentially arranged at intervals on the blade mounting seat, a light-emitting lamp installed on the blade, a power source installed on the support shaft, and an electrical conduction device for keeping the light-emitting lamp and the power source electrically connected; the electrical conduction device includes a power source conduction mechanism and a lamp body conduction mechanism, which are arranged adjacent to each other in the axial direction and remain electrically connected during relative rotation; the power source conduction mechanism is fixed to the support shaft and is electrically connected to the power source through a power source wire; the lamp body conduction mechanism is fixed to the blade mounting seat and is electrically connected to the light-emitting lamp through a lamp wire. The overall structure of the windmill in this application is relatively compact.

Description

Technical Field

[0001] The invention relates to windmill technology, in particular to a windmill with a compact structure. Background Art

[0002] Patent application CN201720654976.X discloses a continuously powered rotating windmill, which realizes continuous power supply by cooperating with first and second conductive coils and first and second brushes, and the brushes are arranged radially relative to the conductive coils. In the scheme of the aforementioned patent, the first and second conductive coils are both sleeved on the shaft sleeve portion of the mounting seat, and the mounting seat also includes an insulating sleeve, a limit sleeve and other structures. The conductive coils and brushes of the aforementioned patent occupy a large radial space in the radial direction, and the overall structure is relatively complex. In view of this, this application is specially proposed. Summary of the invention

[0003] The technical problem to be solved by the present invention is how to make the structure of the windmill compact.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a windmill with a compact structure, comprising a support shaft, a blade mounting seat rotatably sleeved on the support shaft, blades arranged on the blade mounting seat at intervals along the circumferential direction, light-emitting lamps mounted on the blades, a power source mounted on the support shaft, and an electric conduction device that keeps the light-emitting lamp and the power source electrically connected; the electric conduction device comprises a power conduction mechanism and a lamp body conduction mechanism, which are arranged adjacent to each other in the axial direction and keep electrically connected when they rotate relative to each other; the power conduction mechanism is fixedly connected to the support shaft and is electrically connected to the power source through a power lead; the lamp body conduction mechanism is fixedly connected to the blade mounting seat and is electrically connected to the light-emitting lamp through a lamp lead.

[0005] Preferably, the power transmission mechanism comprises a first base and a power conductive ring mounted on the first base, and the lamp body transmission mechanism comprises a second base and a lamp conductive ring mounted on the second base; the power conductive ring and the lamp conductive ring are slidably matched.

[0006] Preferably, the conductive ring for power supply includes a first conductive ring, a power terminal arranged at intervals along the circumferential direction and electrically connected to the first conductive ring, and the conductive ring for lamp includes a second inner conductive ring, a lamp body access terminal arranged at intervals along the circumferential direction and electrically connected to the second conductive ring; the first conductive ring is provided with a sliding portion abutting against the second conductive ring; the power terminal is electrically connected to the power wire, and the lamp body access terminal is electrically connected to the lamp wire.

[0007] Preferably, the first base has a first mounting side facing away from the second base and a second mounting side facing the second base, the first conductive ring is mounted on the second mounting side, the power terminal passes from the second mounting side to the first mounting side, and the sliding connection is located on the second mounting side.

[0008] Preferably, the second base has a third mounting side facing the first base and a fourth mounting side K22 away from the first base, and the second conductive ring and the lamp body access end are both mounted on the third mounting side.

[0009] Preferably, the second conductive ring and the lamp body access end are electrically connected via an electrical connecting portion, and the electrical connecting portion includes a first connecting segment located on the fourth mounting side, and two second connecting segments passing from the fourth mounting side to the third mounting side, and the second conductive ring, the lamp body access end and the two second connecting segments are electrically connected respectively.

[0010] Preferably, the first base has a receiving groove for receiving welding material, and the power terminal is located in the receiving groove.

[0011] Preferably, the power lead includes a hidden section sleeved in the support shaft and an exposed section exposed outward from the support shaft and electrically connected to the power terminal.

[0012] Preferably, a radial dimension of the first base is smaller than a radial dimension of the second base.

[0013] Preferably, the blade comprises a main body, a first connecting portion, and a second connecting portion, and the first connecting portion of each blade is respectively connected to the second connecting portion of a blade adjacent thereto in the circumferential direction.

[0014] Preferably, the first connecting portion and the second connecting portion are matched with each other by plugging.

[0015] Preferably, the first connecting portion and the second connecting portion are connected by fastening screws.

[0016] Due to the adoption of the above technical solution, the present invention has the following beneficial effects:

[0017] 1. Compared with the windmill of the prior art, the power supply conduction mechanism and the lamp body conduction mechanism of the electric conduction device are arranged adjacent to each other in the axial direction, which makes full use of the extension space of the windmill in the axial direction, and the overall structure is relatively compact;

[0018] 2. The first conductive ring is installed on the second installation side, and the power terminal passes through the first installation side. This solution fully utilizes the space on both sides of the first base in the axial direction, which is convenient for connecting the power wire and avoids the power wire interfering with the relative rotation of the first base and the second base.

[0019] 3. When the power connection terminal is inserted from the first installation side away from the second base, and the lamp body access end is installed on the third installation side facing the first base, the power connection terminal and the lamp body access end face the same side, which can facilitate workers to connect the two with the power wire and the lamp wire accordingly;

[0020] 4. The first base has a receiving groove for receiving welding materials, which can facilitate workers to weld power terminals and power wires;

[0021] 5. The radial dimension of the first base is smaller than that of the second base, which can ensure that the access end of the lamp body can be exposed relative to the first base, making it convenient for workers to perform welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0023] Figure 1 and Figure 2 Schematic diagrams of a windmill according to an embodiment are respectively drawn from different viewing angles;

[0024] Figure 3 A process diagram of the windmill switching from a first decomposition state to a second decomposition state at a first viewing angle is depicted;

[0025] Figure 4 A process diagram of the windmill switching from a first disassembled state to a second disassembled state at a second viewing angle is depicted;

[0026] Figure 5 A diagram showing the third exploded state of the windmill is drawn;

[0027] Figure 6 A schematic diagram of a windmill with blades omitted is shown;

[0028] Figure 7 Draws the Figure 6 The corresponding cross-sectional view;

[0029] Figure 8 A diagram showing a process of switching the support shaft and the electrical conduction device from a first decomposed state to a second decomposed state at a viewing angle;

[0030] Fig. 9 A diagram showing a process of switching the support shaft and the electrical conduction device from a first decomposed state to a second decomposed state from another perspective;

[0031] Fig.10 A schematic diagram of the support shaft and the electrical conduction device after assembly is depicted;

[0032] Fig.11 A schematic diagram of a windmill installed on a bracket according to an embodiment is shown.

[0033] Reference numerals:

[0034] Support shaft 1, blade mounting seat 2, blade 3, light emitting lamp 4, power supply 5, electric conduction device 6. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. The components of the embodiments of the present invention described and shown in the accompanying drawings can be arranged and designed in various configurations. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other.

[0037] Combination Figures 1 to 10 In one embodiment, the compact windmill of the present application includes a support shaft 1, a blade mounting seat 2, blades 3, a light emitting lamp 4, a power source 5, and an electrical conduction device 6. For ease of illustration, the light emitting lamp 4, the power source wire L1, and the light wire L2 are only partially shown.

[0038] The support shaft 1 is in the shape of a hollow tube, one end of which is used for plugging and matching with the power source 5, and the other end is used for installing a blade mounting seat.

[0039] The blade mounting seat 2 is rotatably sleeved on the support shaft 1. Specifically, the blade mounting seat 2 includes a first shell 2A and a second shell 2B, which can be spliced ​​in the axial direction by fastening screws, and the outer circumference has a mounting hole for the mounting end of the blade 3 to enter. The first shell 2A is rotatably sleeved on the support shaft 1 through a bearing 10, the inner ring of the bearing 10 is fixedly connected to the support shaft 1, and the outer ring is fixedly connected to the first shell 2A, and the bearing 10 can be a common ball bearing.

[0040] The blades 3 are arranged on the blade mounting seat 2 at intervals along the circumferential direction. The blades 3 include a main body 3A, a first connection part 3B, and a second connection part 3C. The first connection part 3B of each blade 3 is respectively connected to the second connection part 3C of the blade 3 adjacent to it along the circumferential direction. The first connection part 3B and the second connection part 3C can be matched by plugging. The first connection part 3B can have a slot, and the end of the second connection part 3C is embedded in the slot. The plugging method makes the overall appearance of the blade more regular and beautiful. The first connection part 3B and the second connection part 3C can be further connected by fastening screws. The adjacent blades 3 are connected by fastening screws, which can improve the overall stability of the blades 3 and make the windmill more solid, resistant to transportation and use. The number of blades 3 can be between 5 and 40, for example, 10 in this embodiment.

[0041] The light emitting lamp 4 is mounted on the blade 3. Figure 1For illustration, only one light emitting lamp 4 is shown on one blade 3. The light emitting lamp 4 can be a common LED lamp bead, and its color can be selected according to product requirements. The light emitting lamp 4 is connected to the lamp wire L2, and how to supply power to the light emitting lamp 4 will be described in detail below.

[0042] The power source 5 is mounted on the support shaft 1. Specifically, the power source 5 can be powered by a rechargeable battery or solar energy. The power source 5 and the support shaft 1 can be detachably matched through a threaded structure.

[0043] The electric conduction device 6 is used to keep the light emitting lamp 4 and the power source 5 electrically connected. The electric conduction device 6 is located in the blade mounting seat 2, and includes a power conduction mechanism 8 and a lamp body conduction mechanism 9. The power conduction mechanism 8 and the lamp body conduction mechanism 9 are adjacently arranged in the axial direction and keep electrically connected when they rotate relative to each other.

[0044] The power transmission mechanism 8 is fixed to the support shaft 1 and electrically connected to the power supply 5 through the power supply wire L1. The power transmission mechanism 8 includes a first base 8A, a first power supply conductive ring 8B installed on the first base 8A, and a second power supply conductive ring 8C. The first base 8A has a first mounting side K11 away from the second base 9A and a second mounting side K12 facing the second base 9A. The first base 8A has a receiving groove M for receiving welding materials. The first base 8A is sleeved on the support shaft 1. The support shaft 1 has a support platform for supporting the first base 8A. The support shaft 1 is sleeved with a limit nut 7, so that the first base 8A and the support shaft 1 remain fixed. The first and second power supply conductive rings both include a first conductive ring S11, a power supply terminal S12 arranged at intervals along the circumferential direction and electrically connected to the first conductive ring S11, and the power supply terminal S12 is located in the receiving groove M. A sliding portion S13 is provided on the first conductive ring S11; the power supply terminal S12 is electrically connected to the power supply wire L1. The first conductive ring S11 is installed on the second installation side K12, the power terminal S12 passes from the second installation side K12 to the first installation side K11, and the sliding portion S13 is located on the second installation side K12. The power conductor L1 includes a hidden section L11 sleeved in the support shaft 1, and an exposed section L12 exposed from the support shaft 1 and electrically connected to the power terminal S12. The power conductive ring can be an integrally formed copper conductive ring.

[0045] The lamp body conduction mechanism 9 is fixed to the blade mounting seat 2 and is electrically connected to the light-emitting lamp 4 through the lamp wire L2. The lamp body conduction mechanism 9 includes a second base 9A, a first lamp conductive ring 9B and a second lamp conductive ring 9C mounted on the second base 9A. The second base 9A has a third mounting side K21 facing the first base 8A and a fourth mounting side K22 away from the first base 8A. The second base 9A is fixed to the first housing 2A (both have plug-in columns and plug-in slots), and the radial dimension of the first base 8A is smaller than the radial dimension of the second base 9A. The first power supply conductive ring 8B, the second power supply conductive ring 8C and the first lamp conductive ring 9B, the second lamp conductive ring 9C are respectively correspondingly slidably matched. The first and second lamp conductive rings each include a second conductive ring S21, a lamp body access end S22 that is spaced apart along the circumferential direction and electrically connected to the second conductive ring S21, and an electrical connection portion S23. The second conductive ring S21 and the lamp body access end S22 are electrically connected through the electrical connection portion S23. The electrical connection portion S23 includes a first connection segment located on the fourth mounting side K22, two second connection segments that pass from the fourth mounting side K22 to the third mounting side K21, and the second conductive ring S21, the lamp body access end S22, and the two second connection segments are electrically connected respectively. The second conductive ring S21 and the lamp body access end S22 are both mounted on the third mounting side K21. The lamp body access end S22 is electrically connected to the lamp wire L2. The sliding portion S13 abuts against the second conductive ring S21. The lamp conductive ring may be an integrally formed copper conductive ring.

[0046] Combination Fig.11 The windmill can be supported by connecting the power source 5 through the bracket P. The bracket P can be an iron bracket, and the bracket includes a connecting rod P1 and a base P2. The connecting rod P1 can be detachably matched with the shell of the power source 5 through thread matching, and the base P2 can also be detachably matched with the connecting rod P1 through screw matching. The base P2 has multiple legs, and the bottom ends of the legs are conical in shape so that they can be fixed on the ground by plugging. The connecting rod P1 can be designed as a multi-section structure that can be spliced ​​so that it can be assembled according to the needs of use.

[0047] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A structurally compact windmill, comprising a support shaft (1), a blade mounting base (2) rotatably sleeved on the support shaft (1), blades (3) circumferentially and spacedly arranged on the blade mounting base (2), a lighting lamp (4) mounted on the blades (3), a power source (5) mounted on the support shaft (1), and an electrical conduction device (6) for keeping the lighting lamp (4) and the power source (5) electrically connected; It is characterized in that, the electrical conduction device (6) comprises a power source conduction mechanism (8) and a lamp body conduction mechanism (9), which are adjacent to each other axially and keep electrically connected during relative rotation; the power source conduction mechanism (8) is fixedly connected to the support shaft (1) and is electrically connected to the power source (5) through a power source wire (L1); the lamp body conduction mechanism (9) is fixedly connected to the blade mounting base (2) and is electrically connected to the lighting lamp (4) through a lamp wire (L2); the power source conduction mechanism (8) comprises a first base (8A), power source conductive rings (8B, 8C) mounted on the first base (8A), the lamp body conduction mechanism (9) comprises a second base (9A), lamp conductive rings (9B, 9C) mounted on the second base (9A); the power source conductive rings (8B, 8C) and the lamp conductive rings (9B, 9C) are in sliding fit; the power source conductive rings (8B, 8C) comprise a first conductive ring (S11), power source connection terminals (S12) circumferentially and spacedly arranged and electrically connected to the first conductive ring (S11), the lamp conductive rings (9B, 9C) comprise a second conductive ring (S21), lamp body access terminals (S22) circumferentially and spacedly arranged and electrically connected to the second conductive ring (S21); a sliding contact portion (S13) abutting against the second conductive ring (S21) is arranged on the first conductive ring (S11); the power source connection terminals (S12) are electrically connected to the power source wire (L1), and the lamp body access terminals (S22) are electrically connected to the lamp wire (L2); the first base (8A) has a first mounting side (K11) facing away from the second base (9A) and a second mounting side (K12) facing the second base (9A), the first conductive ring (S11) is mounted on the second mounting side (K12), the power source connection terminals (S12) pass from the second mounting side (K12) to the first mounting side (K11), and the sliding contact portion (S13) is located on the second mounting side (K12); the blade mounting base (2) is rotatably sleeved on the support shaft (1) through a bearing (10).

2. The windmill according to claim 1, It is characterized in that, the second base (9A) has a third mounting side (K21) facing the first base (8A) and a fourth mounting side (K22) facing away from the first base (8A), and both the second conductive ring (S21) and the lamp body access terminals (S22) are mounted on the third mounting side (K21).

3. The windmill according to claim 2, It is characterized in that, The second conductive loop (S21) and the lamp body access terminal (S22) are electrically connected through an electrical connection part (S23). The electrical connection part (S23) includes a first connection segment located on the fourth installation side (K22) and two second connection segments that pass from the fourth installation side (K22) to the third installation side (K21). The second conductive loop (S21), the lamp body access terminal (S22), and the two second connection segments are electrically connected respectively.

4. The windmill according to claim 1, characterized in that the first base (8A) has a receiving groove (M) for receiving welding material, and the power supply terminal (S12) is located in the receiving groove (M).

5. The windmill according to claim 1, characterized in that the power supply wire (L1) includes a hidden segment (L11) sleeved in the support shaft (1) and an exposed segment (L12) that exposes from the support shaft (1) and is electrically connected to the power supply terminal (S12).

6. The windmill according to claim 1, characterized in that the radial dimension of the first base (8A) is smaller than the radial dimension of the second base (9A).

7. The windmill according to claim 1, characterized in that the blade (3) includes a main body portion (3A), a first connection portion (3B), and a second connection portion (3C). The first connection portions (3B) of the respective blades (3) are respectively connected to the second connection portions (3C) of the blades (3) adjacent thereto in the circumferential direction.

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