A shaftless rotation adjustment device

Abstract

The present invention discloses a shaftless rotation adjustment device, including a base and a connecting bracket, wherein a first arc-shaped mating surface is provided on the base, and the connecting bracket includes a rotating component, and a second arc-shaped mating surface mating with the first arc-shaped mating surface is provided on the rotating component; a mating component is provided on the rotating component, and a resistance mating mechanism is provided between the mating component and the base; a limit slot is formed between the mating component and the rotating component, and a limit boss is provided on the base, and the limit boss is inserted into the limit slot. The present invention adopts a new shaftless rotation mechanism, which greatly reduces the number of parts compared with the traditional shaft mechanism, is easy to assemble, effectively reduces the manufacturing cost, and is convenient for product promotion.

Description

Technical Field

[0001] The invention relates to a rotation adjustment device, in particular to a shaftless rotation adjustment device. Background Art

[0002] The existing rotating connection bracket usually realizes rotation adjustment through a rotating shaft mechanism. Since the rotating shaft mechanism uses a large number of parts and is difficult to assemble, the cost of the rotating connection bracket is high. Summary of the invention

[0003] The purpose of the present invention is to solve the problem that the traditional rotating connecting bracket usually realizes rotation adjustment through a rotating shaft mechanism. Since the rotating shaft mechanism uses a large number of parts and is more troublesome to assemble, the cost of the rotating connecting bracket is high. A shaftless rotation adjustment device is provided to effectively solve the above problem.

[0004] The objective of the present invention is achieved through the following technical scheme: a shaftless rotation adjustment device, comprising a base and a connecting bracket, the base is provided with a first arc-shaped mating surface, the connecting bracket comprises a rotating component, the rotating component is provided with a second arc-shaped mating surface mating with the first arc-shaped mating surface; a mating component is provided on the rotating component, a resistance mating mechanism is provided between the mating component and the base; a limit slot is formed between the mating component and the rotating component, a limit boss is provided on the base, and the limit boss is inserted into the limit slot.

[0005] In the present invention, the connection bracket and the base are rotationally matched through the first arc-shaped matching surface and the second arc-shaped matching surface, the connection bracket can be rotationally adjusted on the base, and the required device, such as a lamp or other device mechanism, can be installed on the connection bracket; the limiting boss on the base is inserted into the limiting slot on the connection bracket, and the limiting matching between the two ensures that the connection bracket will not be separated from the base; a resistance matching mechanism is provided between the matching component and the base, and a certain resistance is formed between the connection bracket and the base through the resistance matching mechanism, while realizing the rotation adjustment, it can also ensure that the connection bracket can stably stay at a certain angle position after the adjustment is completed. The present invention adopts a new shaftless rotation mechanism, which greatly reduces the number of parts compared to the traditional shaft mechanism, is easy to assemble, effectively reduces the manufacturing cost, and is convenient for product promotion.

[0006] Preferably, the resistance matching mechanism comprises a first resistance surface arranged on the base and a second resistance surface arranged on the matching component and matching with the first resistance surface. Through the contact and matching between the first resistance surface and the second resistance surface, a certain resistance is formed between the connecting bracket and the base.

[0007] Preferably, the first resistance surface is provided with a first resistance protrusion, and the second resistance surface is provided with a second resistance protrusion.

[0008] Preferably, the first resistance protrusion is provided with a first inclined surface on both sides, and the second resistance protrusion is provided with a second inclined surface on both sides; the first inclined surface is provided with an arc-shaped concave surface, and an elastic gap-eliminating sheet is provided on the arc-shaped concave surface; the elastic gap-eliminating sheet includes an arc-shaped segment, one end of the arc-shaped segment is fixed on the arc-shaped concave surface, and the other end of the arc-shaped segment is connected to a guide segment, and a guide groove corresponding to the guide segment is provided on the arc-shaped concave surface, and the guide segment is slidably connected in the guide groove. During the use of the shaftless rotation adjustment device, a gap is easily formed between the first resistance surface and the second resistance surface. The existence of the gap is likely to cause the connecting bracket to shake on the base to a certain extent, affecting normal use. In the present invention, on the basis of the cooperation between the first resistance protrusion and the second resistance protrusion, an elastic gap-eliminating sheet is added to the first resistance protrusion, and the elastic gap-eliminating sheet arches toward one side, and the arched part of the elastic gap-eliminating sheet can abut against the second resistance protrusion, so that elastic contact is formed between the first resistance protrusion and the second resistance protrusion, thereby realizing the function of gap elimination and effectively reducing the shaking of the connecting bracket caused by the existence of the gap. The elastic gap-eliminating piece is provided with a guide section, which is slidably connected to the guide groove on the arc-shaped concave surface, so that one end of the elastic gap-eliminating piece has a certain free movement space, ensuring the normal realization of the elastic function of the elastic gap-eliminating piece. In the present invention, the elastic gap-eliminating piece is arranged on the arc-shaped concave surface, which increases the elastic stroke of the elastic gap-eliminating piece.

[0009] Preferably, the elastic backlash-eliminating sheet is made of spring steel.

[0010] Preferably, the rotating component is provided with a connecting slot, which is used to install a corresponding load device.

[0011] Preferably, the base and the connecting bracket are both made of plastic.

[0012] The beneficial effects of the present invention are as follows: the present invention adopts a new type of shaftless rotating mechanism, which greatly reduces the number of parts compared to the traditional rotating shaft mechanism, is easy to assemble, effectively reduces the manufacturing cost, and is convenient for product promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention.

[0014] Figure 2 It is a schematic diagram of the structure after assembly of the present invention.

[0015] Figure 3 It is a schematic diagram of the cooperation between the first resistance surface and the second resistance surface.

[0016] Figure 4 for Figure 3 Enlarged view of part A in the middle.

[0017] Figure 5 for Figure 4 Enlarged view of part B in the middle.

[0018] In the figure: 1, base, 2, mounting plate, 3, bolt hole, 4, first arc-shaped mating surface, 5, limiting boss, 6, first resistance surface, 7, rotating component, 8, mating component, 9, second arc-shaped mating surface, 10, second resistance surface, 11, connecting slot, 12, first resistance protrusion, 13, second resistance protrusion, 14, arc-shaped concave surface, 15, arc-shaped segment, 16, guide segment, 17, guide groove. DETAILED DESCRIPTION

[0019] The present invention will be further described below through specific implementation modes in conjunction with the accompanying drawings.

[0020] Embodiment 1:

[0021] like Figures 1 to 5 As shown, a shaftless rotation adjustment device includes a base 1 and a connecting bracket, and the base 1 and the connecting bracket are both made of plastic. Mounting plates 2 are respectively provided on both sides of the base 1, and bolt holes 3 are provided on the mounting plates 2, and the bolt holes 3 are waist holes. A first arc-shaped matching surface 4 is provided on the base 1. The connecting bracket includes a rotating component 7, and the rotating component 7 is an arc-shaped plate-like structure. A second arc-shaped matching surface 9 that matches the first arc-shaped matching surface 4 is provided on the rotating component 7. The first arc-shaped matching surface 4 and the second arc-shaped matching surface 9 are in contact and matching. A matching component 8 is provided on the rotating component 7, and the rotating component 7 and the matching component 8 are integrally formed. A connecting slot 11 is provided on the rotating component 7. A limit slot is formed between the matching component 8 and the rotating component 7, and a limit boss 6 is provided on the base, and the limit boss 6 is inserted into the limit slot. A resistance matching mechanism is provided between the matching component 8 and the base 1.

[0022] The resistance matching mechanism includes a first resistance surface 6 arranged on the base 1 and a second resistance surface 10 matched with the first resistance surface and arranged on the matching component 8. The first resistance surface 6 is provided with a first resistance protrusion 12, and the second resistance surface 10 is provided with a second resistance protrusion 13. First inclined surfaces are respectively provided on both sides of the first resistance protrusion 12, and second inclined surfaces are respectively provided on both sides of the second resistance protrusion 13. An arc-shaped concave surface 14 is provided on the first inclined surface, and an elastic gap-eliminating piece is provided on the arc-shaped concave surface 14. The elastic gap-eliminating piece is made of spring steel. The elastic gap-eliminating piece includes an arc-shaped segment 15, one end of the arc-shaped segment 15 is fixed on the arc-shaped concave surface 14, and the other end of the arc-shaped segment 15 is connected to a guide segment 16, and a guide groove 17 corresponding to the guide segment is provided on the arc-shaped concave surface 14, and the guide segment 16 is slidably connected in the guide groove 17.

[0023] In the present invention, the connection bracket and the base are rotationally matched through the first arc-shaped matching surface and the second arc-shaped matching surface. The connection bracket can be rotationally adjusted on the base, and the required device, such as a lamp or other device mechanism, can be installed on the connection bracket; the limiting boss on the base is inserted into the limiting slot on the connection bracket, and the limiting matching between the two ensures that the connection bracket will not detach from the base; a resistance matching mechanism is provided between the matching component and the base, and a certain resistance is formed between the connection bracket and the base through the resistance matching mechanism, while achieving rotation adjustment, it can also ensure that the connection bracket can stably stay at a certain angle position after the adjustment is completed. During the use of the shaftless rotation adjustment device, a gap is easily formed between the first resistance surface and the second resistance surface. The existence of the gap easily causes the connection bracket to shake on the base to a certain extent, affecting normal use. In the present invention, on the basis of the cooperation between the first resistance protrusion and the second resistance protrusion, an elastic gap-eliminating sheet is added to the first resistance protrusion, and the elastic gap-eliminating sheet is arched toward one side, and the arched part of the elastic gap-eliminating sheet can abut against the second resistance protrusion, so that elastic contact is formed between the first resistance protrusion and the second resistance protrusion, thereby realizing the function of gap elimination and effectively reducing the shaking of the connecting bracket caused by the existence of the gap. A guide section is provided on the elastic gap-eliminating sheet, and the guide section is slidably connected to the guide groove on the arc-shaped concave surface, so that one end of the elastic gap-eliminating sheet has a certain free movement space, ensuring the normal realization of the elastic function of the elastic gap-eliminating sheet. In the present invention, the elastic gap-eliminating sheet is provided on the arc-shaped concave surface, which increases the elastic stroke of the elastic gap-eliminating sheet. The present invention adopts a new shaftless rotation mechanism. Compared with the traditional shaft mechanism, the number of parts is greatly reduced, which is convenient for assembly, effectively reduces the manufacturing cost, and is convenient for product promotion.

[0024] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shaftless rotation adjustment device, characterized in that: The invention comprises a base and a connecting bracket, wherein the base is provided with a first arc-shaped mating surface, and the connecting bracket comprises a rotating component, and the rotating component is provided with a second arc-shaped mating surface mating with the first arc-shaped mating surface; a mating component is provided on the rotating component, and a resistance mating mechanism is provided between the mating component and the base; a limit slot is formed between the mating component and the rotating component, and a limit boss is provided on the base, and the limit boss is inserted into the limit slot; the resistance mating mechanism comprises a first resistance surface provided on the base, the first resistance surface is provided with a first resistance protrusion, and first inclined surfaces are respectively provided on both sides of the first resistance protrusion, an arc-shaped concave surface is provided on the first inclined surface, and an elastic gap-eliminating piece is provided on the arc-shaped concave surface; the elastic gap-eliminating piece comprises an arc-shaped segment, one end of the arc-shaped segment is fixed on the arc-shaped concave surface, and the other end of the arc-shaped segment is connected with a guide segment, and a guide groove corresponding to the guide segment is provided on the arc-shaped concave surface, and the guide segment is slidably connected in the guide groove.

2. The shaftless rotation adjustment device according to claim 1, characterized in that: The resistance matching mechanism also includes a second resistance surface arranged on the matching component and matching with the first resistance surface.

3. The shaftless rotation adjustment device according to claim 2, characterized in that: A second resistance protrusion is arranged on the second resistance surface.

4. The shaftless rotation adjustment device according to claim 3, characterized in that: Second inclined surfaces are respectively arranged on both sides of the second resistance protrusion.

5. The shaftless rotation adjustment device according to claim 4, characterized in that: The elastic backlash-eliminating sheet is made of spring steel.

6. A shaftless rotation adjustment device according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The rotating component is provided with a connecting slot.

7. A shaftless rotation adjustment device according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The base and the connecting bracket are both made of plastic.

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