Eccentric rotating structure

Abstract

The utility model relates to the technical field of terminal equipment, in particular to an eccentric rotating structure, which comprises a fixing rod, a rotating shaft, a rotating shaft and a rotating shaft, a sliding groove is formed in the shell face of the shell, and the shell is connected with the fixing rod in a sliding mode along the arc track through the sliding groove; wherein the circle center of the arc track deviates from the outer side of any position of the fixing rod; a fixing rod is arranged in the shell, a pressing plate is further installed in the shell, and a driving assembly used for driving the shell to rotate along the fixing rod is arranged on the pressing plate. In this way, the size of the product is reduced, the product is lighter and more attractive, and in some small electronic products, the eccentric rotating structure not only has remarkable advantages in space utilization, but also has the advantage of simplicity in overall assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of terminal equipment, in particular to an eccentric rotating structure. Background Art

[0002] In the field of intelligent interactive devices, especially monitoring, detection and communication devices, the design of the upper head plays a key role in the performance and function of the device. The traditional head rotation structure design is usually based on the rotation mechanism of the product center axis. Although this design is simple and easy, it has significant limitations in terms of space utilization. With the continuous development of intelligent interactive devices towards miniaturization and lightweight, designers are faced with the challenge of reducing size, weight and improving aesthetics without sacrificing device performance.

[0003] The existing center rotation design requires the head rotating part to rotate around the center axis, which results in a large amount of space being occupied inside the device and limits the miniaturization of the device. In addition, this design may also increase the overall weight of the device, affecting its portability and aesthetics.

[0004] Therefore, for smart interactive devices, seeking a more efficient rotating structure design to optimize space utilization, reduce weight and improve appearance has become an urgent need in the industry. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the conventional central rotation design of the head rotation structure in the prior art, which requires the head rotation part to rotate around the central axis, resulting in a large amount of space occupied inside the device, and proposes an eccentric rotation structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] Design an eccentric rotating structure, including:

[0008] Fixed rods, used as the installation and support basis for various components;

[0009] The housing has a slide groove on its shell surface, and the housing is slidably connected to the fixing rod along an arc track through the slide groove;

[0010] wherein the center of the arc trajectory is offset outside any location of the fixed rod;

[0011] A pressing plate is also installed inside the shell, and a driving assembly for driving the shell to rotate along the fixing rod is arranged on the pressing plate.

[0012] Further, the fixing rod includes a rod portion and a guide portion;

[0013] The rod portion slides in the slide groove, and the guide portion is an arc-shaped structure, which defines the direction of the arc track.

[0014] Furthermore, guide surfaces are formed inside the shell along both sides of the slide groove, and the guide portion is attached to and slides above the guide surfaces, wherein the guide surface and the guide portion have the same curvature.

[0015] Furthermore, two limit blocking pieces are formed on the inner side of the shell, and the two limit blocking pieces are located on both sides of the two guide surfaces and are used to stop both sides of the guide part.

[0016] Furthermore, the pressure plate has an arc-shaped constriction below the middle portion, the arc-shaped constriction and the guide surface are arranged opposite to each other and have the same curvature, a slideway is constructed between the arc-shaped constriction and the guide surface, and the guide part slides in the slideway.

[0017] Furthermore, a limiting protrusion is formed on the inner side of the arc-shaped contraction, and a guiding notch matched with the limiting protrusion is formed on the side edge of the guiding portion.

[0018] Furthermore, a plurality of connection holes are arranged on the end surface of the pressure plate, and a plurality of connection columns are arranged on the inner side of the shell. The connection columns and the connection holes are plugged and positioned, and are locked and fixed by locking pieces.

[0019] Furthermore, the pressing plate also has at least two installation step surfaces and an avoidance portion, and at least a portion of the guide portion is exposed below the avoidance portion.

[0020] Furthermore, the driving assembly is a motor, the mounting wing of the motor is connected to the mounting step surface through a fastener, and a gear is fixedly mounted on the shaft end of the motor;

[0021] The gear is placed in the avoidance portion.

[0022] Furthermore, a rack portion is provided on the arc surface of the guide portion, the rack portion is directly opposite to the avoidance portion and is meshed with the gear for transmission.

[0023] An eccentric rotating structure proposed in the utility model has the beneficial effect that: in the utility model, the shell and the fixing rod are designed with an eccentric rotating structure, and the shell is driven by the driving component to rotate, so that the product volume is reduced, and it is lighter and more beautiful. In some small electronic products, the eccentric rotating structure not only shows significant advantages in space utilization, but also reflects the characteristics of simplicity in overall assembly. The overall assembly process is simpler and more efficient by fixing with a pressure plate. In addition, the eccentric design has a good reference role for similar products in the future. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the fixing rod structure of the utility model;

[0027] Figure 4 It is a schematic diagram of the pressing plate structure of the utility model.

[0028] In the figure: 1. fixing rod; 11. rod portion; 12. guide portion; 13. guide notch; 14. rack portion; 2. housing; 21. slide groove; 22. guide surface; 23. limit baffle; 24. connecting column; 3. pressure plate; 31. arc-shaped neck; 32. slideway; 33. limit protrusion; 34. connecting hole; 35. mounting step surface; 36. avoidance portion; 4. drive assembly; 41. gear. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] Reference Figure 1-4 It is an embodiment of the utility model, which discloses an eccentric rotating structure. Specifically, the rotating structure includes a fixing rod 1, which is used as the installation and support basis of various components, that is, the fixing rod 1 described in this embodiment is installed on the body base;

[0031] and a housing 2, the housing surface of which is provided with a slide groove 21, the housing 2 is slidably connected to the fixing rod 1 along an arc track through the slide groove 21;

[0032] The center of the arc trajectory is offset outside any position of the fixing rod 1;

[0033] A pressing plate 3 is also installed inside the housing 2 , and a driving assembly 4 is provided on the pressing plate 3 for driving the housing 2 to rotate along the fixing rod 1 .

[0034] Reference Figure 3 In some embodiments, the fixed rod 1 in the utility model includes a rod portion 11 and a guide portion 12; the rod portion 11 slides in the slide groove 21, and the guide portion 12 is an arc-shaped structure, which defines the direction of the arc trajectory. Preferably, the guide portion 12 described in this embodiment is a plate with an arc-shaped structure, which is arranged on the inner side of the shell 2.

[0035] Reference Figure 3 Furthermore, in the present embodiment, guide surfaces 22 are formed inside the shell 2 along both sides of the slide groove 21, and the guide portion 12 is fitted and slides above the guide surfaces 22, wherein the guide surfaces 22 and the guide portion 12 have the same curvature, and the guide surfaces 22 are designed to adapt to the connection and sliding with the guide portion 12. Of course, the guide surfaces 22 and the shell 2 in the present embodiment are integrally formed, and the two guide surfaces 22 are respectively adapted to the two sides of the guide portion 12.

[0036] Reference Figure 3 On the basis of the above embodiment, two limit baffles 23 are further formed on the inner side of the shell 2. The two limit baffles 23 are located on both sides of the two guide surfaces 22 and are used to stop both sides of the guide portion 12. Specifically, the two limit baffles 23 are adapted to the two guide surfaces 22. The two limit baffles 23 are designed to stop the side edges of the guide portion 12 to eliminate the assembly gap and avoid the problem of the guide portion 12 being offset and shaking inside the shell 2.

[0037] Reference Figure 2 , Figure 4 Optionally, in the present embodiment, an arc-shaped constriction 31 is provided at the lower middle part of the pressing plate 3, and the arc-shaped constriction 31 and the guide surface 22 are arranged opposite to each other and have the same curvature, and a slideway 32 is constructed between the arc-shaped constriction 31 and the guide surface 22, and the guide portion 12 slides in the slideway 32, that is, in the present embodiment, an arc-shaped constriction 31 is provided at the bottom of the pressing plate 3, and a slideway 32 is formed by the arc-shaped constriction 31 and the guide surface 22. Since the pressing plate 3 is located above the guide portion 12, the upper side of the guide portion 12 can be stopped, and the design of the upper limit baffle 23 can respectively realize the upper and side sliding limit of the guide portion 12 to ensure the sliding stability of the guide portion 12.

[0038] In order to further improve the sliding stability, in this embodiment, a limiting protrusion 33 is formed on the inner side of the arc-shaped constriction 31 , and a guide notch 13 matched with the limiting protrusion 33 is formed on the side of the guide portion 12 .

[0039] Reference Figure 4 In some embodiments, a plurality of connecting holes 34 are arranged on the end face of the pressure plate 3 in the utility model, and a plurality of connecting columns 24 are provided on the inner side of the shell 2. The connecting columns 24 and the connecting holes 34 are plugged in and positioned, and locked and fixed by locking members. The locking members described in the embodiment are optionally configured as bolts. During assembly, the connecting holes 34 on the pressure plate 3 and the connecting columns 24 in the shell 2 are plugged in and positioned. After positioning is completed, the connecting columns 24 are threadedly connected by bolts to lock and fix the pressure plate 3. The assembly process is simple and convenient.

[0040] Reference Figure 4 On the basis of the above-mentioned embodiment, the pressure plate 3 in this embodiment further has at least two mounting step surfaces 35 and an avoidance portion 36, and at least part of the guide portion 12 is exposed below the avoidance portion 36. The avoidance portion 36 in this embodiment is an opening, and its purpose is to connect the driving component 4 to the guide portion 12 through the opening.

[0041] Specifically, the driving component 4 in this embodiment is a motor, and the mounting wing of the motor is connected to the mounting step surface 35 through a fastener. Of course, the fastener in this embodiment can also be set as a bolt, and a gear 41 is fixedly installed on the shaft end of the motor;

[0042] The gear 41 is disposed in the escape portion 36 .

[0043] In addition, a rack portion 14 is disposed on the arc surface of the guide portion 12 . The rack portion 14 faces the avoidance portion 36 and meshes with the gear 41 for transmission.

[0044] During the specific assembly, firstly, the rod portion 11 of the fixing rod 1 is inserted into the slide groove 21, and the guide portion 12 is fitted with the guide surface 22, and then the pressing plate 3 is fixed inside the housing 2 by a locking member to stop the upper side of the guide portion 12;

[0045] After the assembly is completed, the motor with the gear 41 can be installed. When the rotation is controlled, the motor only needs to drive the gear 41 to rotate, and the rotation adjustment of the housing 2 can be achieved through the meshing transmission of the gear 41 and the rack part 14.

[0046] In summary, in the utility model, the shell 2 and the fixing rod 1 are designed with an eccentric rotating structure, and the driving component 4 drives the shell 2 to rotate. In some small electronic products, the eccentric rotating structure not only shows significant advantages in space utilization, but also reflects the characteristics of simplicity in overall assembly. The fixing method through the pressure plate 3 makes the overall assembly process simpler and more efficient. In addition, the eccentric design has a good reference role for similar products in the future.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An eccentric rotating structure, characterized in that: include: A fixing rod (1) is used as a base for mounting and supporting various components; A shell body (2), the shell surface of which is provided with a slide groove (21), and the shell body (2) is slidably connected to the fixing rod (1) along an arc track via the slide groove (21); The center of the arc trajectory is offset outside any location of the fixing rod (1); A pressure plate (3) is also installed inside the housing (2), and a driving component (4) is provided on the pressure plate (3) for driving the housing (2) to rotate along the fixing rod (1).

2. An eccentric rotating structure according to claim 1, characterized in that: The fixing rod (1) comprises a rod portion (11) and a guide portion (12); The rod portion (11) slides in the slide groove (21), and the guide portion (12) is an arc-shaped structure, and the arc-shaped structure defines the direction of the arc trajectory.

3. An eccentric rotating structure according to claim 2, characterized in that: The shell (2) is internally formed with guide surfaces (22) along both sides of the slide groove (21), and the guide portion (12) is attached to and slides above the guide surfaces (22), wherein the guide surfaces (22) and the guide portion (12) have the same curvature.

4. The eccentric rotating structure according to claim 3, characterized in that: Two limit stoppers (23) are also formed on the inner side of the shell (2), and the two limit stoppers (23) are located on both sides of the two guide surfaces (22) and are used to stop both sides of the guide portion (12).

5. The eccentric rotating structure according to claim 3, characterized in that: The lower middle portion of the pressure plate (3) has an arc-shaped constriction (31), the arc-shaped constriction (31) and the guide surface (22) are arranged opposite to each other and have the same arc, a slideway (32) is constructed between the arc-shaped constriction (31) and the guide surface (22), and the guide portion (12) slides in the slideway (32).

6. The eccentric rotating structure according to claim 5, characterized in that: A limiting protrusion (33) is formed on the inner side of the arc-shaped constriction (31), and a guide notch (13) matching the limiting protrusion (33) is formed on the side edge of the guide portion (12).

7. The eccentric rotating structure according to claim 3, characterized in that: A plurality of connection holes (34) are arranged on the end surface of the pressure plate (3), and a plurality of connection columns (24) are provided on the inner side of the housing (2). The connection columns (24) and the connection holes (34) are plugged in and positioned, and locked and fixed by a locking piece.

8. The eccentric rotating structure according to claim 3, characterized in that: The pressing plate (3) further comprises at least two mounting step surfaces (35) and an avoidance portion (36), and at least a portion of the guide portion (12) is exposed below the avoidance portion (36).

9. The eccentric rotating structure according to claim 8, characterized in that: The driving assembly (4) is a motor, the mounting wings of the motor are connected to the mounting step surface (35) via fasteners, and a gear (41) is fixedly mounted on the shaft end of the motor; The gear (41) is placed in the avoidance portion (36).

10. An eccentric rotating structure according to claim 9, characterized in that: A rack portion (14) is provided on the arc surface of the guide portion (12); the rack portion (14) is directly opposite to the avoidance portion (36) and meshes with the gear (41) for transmission.

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