Single-shaft multi-angle rotating shaft structure

Abstract

The utility model discloses a single-shaft multi-angle rotating shaft structure which comprises a fixed support and a first rotating connecting assembly, the first rotating connecting assembly comprises two first connecting shafts, a first movable end, a first elastic gasket set and a first fastening nut, and the two first connecting shafts are coaxial and are arranged at intervals in a right opposite mode. The first elastic gasket group is positioned between the first movable end and the first fastening nut; the inner end part of the first connecting shaft is fixedly mounted on the fixed bracket; the fixing support is provided with a second rotary connecting assembly between the two first rotary connecting assemblies. The second rotary connecting assembly comprises a second connecting shaft, a friction contact piece, a second elastic gasket set and a second fastening nut. By means of the structural design, a plurality of movable parts can be rotationally installed, and the rotary installation structure has the advantages of being novel in structural design, strong in function and good in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of rotating shaft products, in particular to a rotating shaft structure capable of single-axis multi-angle rotation. Background Art

[0002] The patent number is: ZL202222368095.5, and the patent name is: A Chinese utility model patent for a vehicle-mounted rotating shaft with a stable structure. It essentially discloses a rotating shaft structure; specifically, the vehicle-mounted rotating shaft with a stable structure includes a fixed iron part and a movable iron part. A mounting bracket is fixedly connected to the center of the top end surface of the fixed iron part. The mounting bracket is rotatably connected to the movable iron part through two connecting shafts. A friction component is provided between the inner walls on both sides of the mounting bracket and the outer walls on both sides of the bottom end of the movable iron part. The connecting shaft passes through the mounting bracket, the movable iron part and the fastening nut in sequence, and a flexible component is provided between the movable iron part and the fastening nut; the flexible component includes an elastic gasket.

[0003] During the use of the above-mentioned stable structure vehicle-mounted rotating shaft, the elastic expansion and contraction state of the elastic component can be adjusted by rotating the fastening nut, thereby adjusting the friction between the mounting bracket and the movable iron piece to adjust the torque between the mounting bracket and the movable iron piece.

[0004] It should be pointed out that the above-mentioned vehicle-mounted rotating shaft with a stable structure has the following defects. Specifically, it can only realize the rotational installation of one movable part (movable iron part), but cannot realize the rotational installation of multiple movable parts, has a relatively simple function and poor applicability. Utility Model Content

[0005] The purpose of the utility model is to provide a single-axis multi-angle rotating shaft structure to address the deficiencies of the prior art. The single-axis multi-angle rotating shaft structure has a novel design and can realize the rotating installation of multiple movable parts. It has strong functions and good applicability.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions.

[0007] A single-axis multi-angle rotating shaft structure includes a fixed bracket, a first rotating connection assembly, the first rotating connection assembly includes two coaxial first connecting shafts arranged opposite to each other, a first movable end, a first elastic gasket group, and a first fastening nut, wherein the first elastic gasket group is located between the first movable end and the first fastening nut;

[0008] The inner end of the first connecting shaft is fastened and installed on the fixed bracket, the first movable end and the first elastic gasket group are sequentially mounted on the first connecting shaft, the first movable end is in frictional contact with the first connecting shaft, and the outer end of the first connecting shaft is threadedly connected with the first fastening nut;

[0009] The fixed bracket is equipped with a second rotating connection component between the two first rotating connection components. The second rotating connection component includes a second connecting shaft rotatably installed on the fixed bracket. The outer end of the second connecting shaft is fitted with a second movable end and the second movable end and the fixed bracket are equipped with a friction contact piece. The inner end of the second connecting shaft is fitted with a second elastic gasket group. The inner end of the second connecting shaft is threadedly connected to a second fastening nut on the inner side of the second elastic gasket group. The two ends of the second elastic gasket group are respectively abutted against the fixed bracket and the second fastening nut on the corresponding side.

[0010] The fixing bracket is provided with two first mounting parts which are arranged opposite to each other and spaced apart from each other. Each first mounting part is provided with a shaft mounting hole which is open outwards. The inner end of each first connecting shaft is respectively embedded and fixed in the shaft mounting hole of the corresponding first mounting part.

[0011] Among them, the inner end portion of each of the first connecting shafts is flat in shape, the inner wall of each rotating shaft mounting hole is provided with a threaded hole opening radially outward, each threaded hole is threaded with a reinforcing screw, and the inner end portion of each of the first connecting shafts is clamped and fixed in the corresponding rotating shaft mounting hole by the reinforcing screw.

[0012] Among them, the fixed bracket is provided with a second mounting part between the two first mounting parts, the second connecting shaft is rotatably mounted on the second mounting part, the second movable end is located on the outside of the second mounting part, and the second elastic gasket group and the second fastening nut are located on the inside of the second mounting part.

[0013] Wherein, the fixing bracket comprises a bracket fixing portion, and the bracket fixing portion is provided with a fastening installation hole;

[0014] The first mounting portion, the second mounting portion, and the bracket fixing portion are an integrated structure.

[0015] Wherein, the friction contact part is a rubber part.

[0016] Compared with the prior art, the utility model has the following beneficial effects, specifically: the single-axis multi-angle rotating shaft structure of the utility model can be installed with two movable rotating brackets, one movable rotating bracket is connected to the two first movable ends, and the other movable rotating bracket is connected to the second movable end, that is, the single-axis multi-angle rotating shaft structure of the utility model can realize the rotating installation of multiple movable parts; therefore, the single-axis multi-angle rotating shaft structure of the utility model has the advantages of novel structural design, strong functions and good applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below with reference to the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the utility model from another perspective.

[0020] Figure 3 It is a cross-sectional schematic diagram of the utility model.

[0021] Figure 4 It is a cross-sectional schematic diagram of another position of the utility model.

[0022] Figure 5 It is an exploded schematic diagram of the utility model.

[0023] exist Figures 1 to 5 Included are:

[0024] 1-fixed bracket; 11-first mounting part; 111-shaft mounting hole; 112-threaded hole; 12-second mounting part; 13-bracket fixing part; 131-fastening mounting hole; 2-first rotating connection component; 21-first connecting shaft; 22-first movable end; 23-first elastic gasket group; 24-first fastening nut; 25-reinforcement screw; 3-second rotating connection component; 31-second connecting shaft; 32-second movable end; 33-friction contact piece; 34-second elastic gasket group; 35-second fastening nut. DETAILED DESCRIPTION

[0025] The present invention will be described below in conjunction with specific implementation methods.

[0026] Embodiment 1, as Figure 1 , Figure 2 , Figure 3 as well as Figure 5 As shown, a single-axis multi-angle rotating shaft structure includes a fixed bracket 1, a first rotating connecting component 2, the first rotating connecting component 2 includes two coaxial and oppositely spaced first connecting shafts 21, a first movable end 22, a first elastic gasket group 23, and a first fastening nut 24, and the first elastic gasket group 23 is located between the first movable end 22 and the first fastening nut 24.

[0027] Among them, Figure 1 , Figure 2 , Figure 3 as well as Figure 5 As shown, the inner end of the first connecting shaft 21 is fastened and installed on the fixed bracket 1, the first movable end 22 and the first elastic gasket group 23 are sequentially mounted on the first connecting shaft 21, the first movable end 22 is in friction contact with the first connecting shaft 21, and the outer end of the first connecting shaft 21 is threadedly connected to the first fastening nut 24.

[0028] Further, such as Figures 1 to 5As shown, the fixed bracket 1 is provided with a second rotating connection component 3 between the two first rotating connection components 2, and the second rotating connection component 3 includes a second connecting shaft 31 rotatably installed on the fixed bracket 1, the outer end of the second connecting shaft 31 is sleeved with a second movable end 32 and the second movable end 32 and the fixed bracket 1 are provided with a friction contact member 33, the inner end of the second connecting shaft 31 is sleeved with a second elastic gasket group 34, the inner end of the second connecting shaft 31 is threadedly connected with a second fastening nut 35 on the inner side of the second elastic gasket group 34, and the two ends of the second elastic gasket group 34 are respectively abutted against the fixed bracket 1 and the second fastening nut 35 on the corresponding side.

[0029] It should be pointed out that the single-axis multi-angle rotating shaft structure of the first embodiment of the present invention can be installed with two movable rotating brackets, and the two rotating movable brackets are respectively the first rotating bracket and the second rotating bracket. The first rotating bracket is connected to the first movable ends 22 of the two first rotating connection components 2, respectively. When the first rotating bracket rotates relative to the fixed bracket 1, the first movable ends 22 of the two first rotating connection components 2 rotate synchronously, and the two first connecting shafts 21 rotate synchronously; the second rotating bracket is installed at the second movable end 32, and when the second rotating bracket rotates relative to the fixed bracket 1, the second movable end 32 rotates relatively to the fixed position.

[0030] It should be pointed out that, for the first rotating connection component 2 of the first embodiment, when in use, the elastic expansion and contraction state of each first elastic gasket group 23 can be adjusted by loosening and tightening the first fastening nut 24, thereby adjusting the friction force between each first movable end 22 and the corresponding first connecting shaft 21, so as to achieve the purpose of adjusting the torque between the first rotating bracket and the fixed bracket 1.

[0031] Similarly, for the second rotating component of the first embodiment, when in use, the elastic expansion and contraction state of the second elastic gasket group 34 can be adjusted by loosening and tightening the second fastening nut 35, thereby adjusting the friction between the second movable end 32 and the fixed bracket 1, so as to achieve the purpose of adjusting the torque between the second rotating bracket and the fixed bracket 1.

[0032] In addition, the friction contact member 33 of the first embodiment may be a rubber member; the friction contact member 33 is located between the second movable end 32 and the fixed bracket 1, and the friction contact member 33 can increase the friction between the second movable end 32 and the fixed bracket 1.

[0033] Based on the above, it can be seen that through the above structural design, the single-axis multi-angle rotation shaft structure of the first embodiment can realize the rotational installation of multiple movable parts (first rotation bracket, second rotation bracket), that is, the single-axis multi-angle rotation shaft structure of the first embodiment has the advantages of novel structural design, strong functions and good applicability.

[0034] Embodiment 2, as Figure 1 , Figure 2 , Figure 3 as well as Figure 5 As shown, the difference between the second embodiment and the first embodiment is that the inner end of the first connecting shaft 21 of the second embodiment can be fastened to the fixed bracket 1 in the following manner, specifically: the fixed bracket 1 is provided with two first mounting portions 11 arranged opposite to each other and spaced apart, each first mounting portion 11 is respectively provided with a shaft mounting hole 111 opening outward, and the inner end of each first connecting shaft 21 is respectively embedded and fixed in the shaft mounting hole 111 of the corresponding first mounting portion 11.

[0035] Embodiment three, as Figure 3 and Figure 5 As shown, the difference between the third embodiment and the second embodiment is that the inner end portion of each first connecting shaft 21 is flat in shape, the inner wall of each rotating shaft mounting hole 111 is provided with a threaded hole 112 which opens radially outward, and a reinforcing screw 25 is screwed into each threaded hole 112, and the inner end portion of each first connecting shaft 21 is clamped and fixed in the corresponding rotating shaft mounting hole 111 by the reinforcing screw 25.

[0036] Embodiment 4, as Figures 1 to 5 As shown, the difference between the fourth embodiment and the second embodiment is that a second mounting portion 12 is provided between the two first mounting portions 11 of the fixed bracket 1, the second connecting shaft 31 is rotatably mounted on the second mounting portion 12, the second movable end 32 is located on the outer side of the second mounting portion 12, and the second elastic gasket group 34 and the second fastening nut 35 are located on the inner side of the second mounting portion 12.

[0037] Embodiment 5, as Figures 1 to 5 As shown, the difference between the fifth embodiment and the fourth embodiment is that the fixed bracket 1 includes a bracket fixing portion 13, and the bracket fixing portion 13 is provided with a fastening installation hole 131. During the process of installing and fixing the fixed bracket 1, a locking screw can be installed in the fastening installation hole 131, that is, the bracket fixing portion 13 of the fixed bracket 1 can be screwed and fastened to the corresponding installation position by the locking screw.

[0038] The first mounting portion 11 , the second mounting portion 12 , and the bracket fixing portion 13 are an integrated structure.

[0039] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A single-axis multi-angle rotating shaft structure, comprising a fixed bracket (1), a first rotating connecting assembly (2), the first rotating connecting assembly (2) comprising two coaxial first connecting shafts (21) arranged opposite to each other at intervals, a first movable end (22), a first elastic gasket group (23), and a first fastening nut (24), wherein the first elastic gasket group (23) is located between the first movable end (22) and the first fastening nut (24); Features: The inner end of the first connecting shaft (21) is fixedly mounted on the fixed bracket (1), the first movable end (22) and the first elastic gasket group (23) are sequentially mounted on the first connecting shaft (21), the first movable end (22) is in frictional contact with the first connecting shaft (21), and the outer end of the first connecting shaft (21) is threadedly connected to the first fastening nut (24); The fixed bracket (1) is provided with a second rotating connection component (3) between the two first rotating connection components (2). The second rotating connection component (3) comprises a second connecting shaft (31) rotatably mounted on the fixed bracket (1). The outer end of the second connecting shaft (31) is sleeved with a second movable end (32), and the second movable end (32) and the fixed bracket (1) are provided with a friction contact member (33). The inner end of the second connecting shaft (31) is sleeved with a second elastic gasket group (34). The inner end of the second connecting shaft (31) is threadedly connected to a second fastening nut (35) on the inner side of the second elastic gasket group (34). The two ends of the second elastic gasket group (34) are respectively in contact with the fixed bracket (1) and the second fastening nut (35) on the corresponding side.

2. The single-axis multi-angle rotating shaft structure according to claim 1, characterized in that: The fixing bracket (1) is provided with two first mounting parts (11) arranged opposite to each other and spaced apart from each other, each first mounting part (11) is provided with a rotating shaft mounting hole (111) opening outwards, and the inner end of each first connecting shaft (21) is respectively embedded and fixed in the rotating shaft mounting hole (111) of the corresponding first mounting part (11).

3. The single-axis multi-angle rotating shaft structure according to claim 2, characterized in that: The inner end portions of each of the first connecting shafts (21) are respectively flat, the inner walls of each of the rotating shaft mounting holes (111) are respectively provided with threaded holes (112) opening radially outward, and each of the threaded holes (112) is respectively threadedly installed with a reinforcing screw (25), and the inner end portions of each of the first connecting shafts (21) are respectively clamped and fixed in the corresponding rotating shaft mounting holes (111) by means of the reinforcing screws (25).

4. The single-axis multi-angle rotating shaft structure according to claim 2, characterized in that: The fixing bracket (1) is provided with a second mounting portion (12) between the two first mounting portions (11); the second connecting shaft (31) is rotatably mounted on the second mounting portion (12); the second movable end (32) is located outside the second mounting portion (12); and the second elastic gasket set (34) and the second fastening nut (35) are located inside the second mounting portion (12).

5. The single-axis multi-angle rotating shaft structure according to claim 4, characterized in that: The fixed bracket (1) comprises a bracket fixing portion (13), and the bracket fixing portion (13) is provided with a fastening installation hole (131); The first mounting portion (11), the second mounting portion (12) and the bracket fixing portion (13) are an integrated structure.

6. The single-axis multi-angle rotating shaft structure according to claim 1, characterized in that: The friction contact part (33) is a rubber part.

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