Middle shell of universal rotating structure and universal rotating structure

Abstract

The middle shell of the universal rotating structure is of a hollow structure defined by four edges, the middle shell is provided with an upper opening and a lower opening, shaft holes are coaxially formed in the two sides of the shell in a penetrating mode, and bearing seat parts are arranged on the side walls of the two sides of the shell corresponding to the shaft holes. And the bearing seat part and the shell are integrally formed. According to the middle shell of the universal rotating structure, the bearing seat part and the shell are integrally formed, so that the connecting steps are simplified, the non-uniformity of thermal expansion and cold contraction caused by temperature change is effectively reduced, the rotating stability of a main shaft is improved, and the noise level during operation is remarkably reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of universal rotating structure accessories, and more specifically to an intermediate shell of a universal rotating structure and a universal rotating structure. Background Art

[0002] CN 202884705 U discloses an LED irradiation lamp with a universal rotation structure;

[0003] In CN 202884739 U, a police vehicle-mounted lighting, glare and directional strong sound denial system is disclosed;

[0004] A novel large-viewing-angle variable-brightness two-way surveillance camera is disclosed in CN 204362165 U;

[0005] The above three patent solutions all use a universal rotating structure, and the same or different related equipment are coaxially installed on the left and right sides of the universal rotating structure. The intermediate housing of the existing universal rotating structure is installed with the main shaft through the shaft support seat. The intermediate housing and the shaft support seat will expand and contract due to temperature changes. Due to the uneven temperature changes inside and outside the housing, there is a difference in the amount of thermal expansion and contraction between the intermediate housing and the shaft support seat, which affects the rotation stability of the main shaft and generates noise. Summary of the invention

[0006] The utility model aims to solve one of the technical problems in the related art to a certain extent. To this end, the utility model proposes an intermediate housing with a universal rotation structure, which simplifies the connection steps by integrally forming the bearing seat and the housing, effectively reduces the uneven thermal expansion and contraction caused by temperature changes, improves the rotation stability of the main shaft and significantly reduces the noise level during operation.

[0007] The utility model also provides a universal rotation structure with the intermediate housing.

[0008] The technical solution adopted by the utility model is: to provide an intermediate shell of a universal rotating structure, the shell is surrounded by four sides to form a hollow structure, and has two upper and lower openings. Axial holes are coaxially penetrated on both sides of the shell, and bearing seat parts are provided on the side walls of both sides of the shell corresponding to the positions of the axle holes, and the bearing seat parts are integrally formed with the shell.

[0009] Compared with the existing technology in which the shaft support seat and the housing are separated, the utility model simplifies the connection steps required for the separated structure by forming the bearing seat and the housing in one piece. After adopting the above structure, the uneven thermal expansion and contraction caused by temperature changes between the intermediate housing and the shaft support seat can be effectively reduced, thereby improving the rotation stability of the main shaft and significantly reducing the noise level during operation. The core advantage of this design is to integrate the shaft hole and the bearing seat to ensure their integrity with the intermediate housing, thereby effectively reducing the negative impact caused by thermal expansion and contraction.

[0010] According to an embodiment of the present invention, the bearing seat portion and the housing are integrally formed by casting or die-casting; preferably, the bearing seat portion and the housing are formed by aluminum die-casting.

[0011] According to an embodiment of the utility model, the bearing seat portion is detachably connected to the first bearing pressing block, and the combination of the bearing seat portion and the first bearing pressing block is used to fix the main shaft in the shaft hole.

[0012] According to an embodiment of the present invention, the shell is detachably connected to an upper cover and / or a lower cover.

[0013] According to one embodiment of the utility model, the inner wall of the shell has a fixing portion for installing the motor bracket, and the fixing portion is integrally formed with the shell; in the prior art, the platform structure for installing the motor bracket and the shell adopt a split design, and the two need to be connected into one through a welding process. The utility model directly forms the fixing portion on the inner wall of the shell, thereby simplifying the assembly process.

[0014] A universal rotating structure comprises a main shaft and any of the above-mentioned housings, wherein a first device and a second device are respectively installed at two ends of the main shaft.

[0015] According to an embodiment of the utility model, the universal rotation structure also includes a base and a driving assembly, the driving assembly includes a vertical motor and a horizontal motor, the vertical motor is used to drive the main shaft to rotate, and the horizontal motor is used to drive the shell to rotate relative to the base.

[0016] According to an embodiment of the present utility model, the universal rotation structure further includes a second motor bracket, and the horizontal motor is mounted on the second motor bracket.

[0017] According to an embodiment of the utility model, the second motor bracket includes a first platform and a second platform, the second platform is formed by lateral extension of the first platform, and the horizontal motor is installed on the second platform.

[0018] According to an embodiment of the present invention, the second motor bracket is integrally formed by casting or die casting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A three-dimensional diagram of a housing in an embodiment of the utility model;

[0021] Figure 2 A top view of the housing in the embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the housing in the embodiment of the utility model;

[0023] Figure 4 A three-dimensional diagram of the housing and the main shaft in the embodiment of the utility model;

[0024] Figure 5 It is a three-dimensional diagram of the universal rotating structure in the embodiment of the utility model;

[0025] Figure 6 A perspective view of the universal rotating structure in the embodiment of the utility model;

[0026] Figure 7 A half-section view of the universal rotating structure in the embodiment of the utility model;

[0027] Figure 8 A three-dimensional diagram of the second motor bracket in the embodiment of the utility model;

[0028] Fig. 9 This is a schematic diagram of the structure of the second motor bracket in the embodiment of the utility model;

[0029] Fig.10 It is a three-dimensional diagram of the main shaft in the embodiment of the utility model.

[0030] Description of the numbers in the figure:

[0031] 10. housing; 20. spindle; 30. base; 40. drive assembly;

[0032] 11. shaft hole; 12. bearing seat; 13. fixing portion; 14. first bearing pressing block; 15. upper cover; 16. lower cover;

[0033] 12a, positioning protrusion; 12b, first fixing hole;

[0034] 13a, second fixing hole;

[0035] 21. shaft; 22. vertical gear;

[0036] 21a, center hole; 21b, open slot;

[0037] 41. vertical motor; 42. first motor bracket; 43. second motor bracket; 44. horizontal motor; 45. horizontal gear; 46. horizontal bearing; 47. second bearing block;

[0038] 43a, first platform; 43b, second platform; 43c, first through hole; 43d, second through hole. DETAILED DESCRIPTION

[0039] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention. Example 1

[0040] like Figure 1-4 As shown, in this embodiment, an intermediate shell 10 of a universal rotating structure is disclosed. The shell 10 is formed by four sides to form a hollow structure, and has two upper and lower openings. Axle holes 11 are coaxially penetrated on both sides of the shell 10, and bearing seats 12 are provided on the side walls of both sides of the shell 10 corresponding to the positions of the axle holes 11, and the bearing seats 12 are integrally formed with the shell 10.

[0041] Furthermore, in the present embodiment, the housing 10 is enclosed by four sides to form a hollow structure, and has four side walls, namely, front and rear side walls and left and right side walls, and the width of the left and right side walls is greater than that of the front and rear side walls. The left and right side walls are both provided with an axial hole 11, and the two axial holes 11 are coaxially arranged. The inner surfaces of the left and right side walls are both provided with a bearing seat 12, and the bearing seat 12 adopts a half structure. The surface of the bearing seat 12 is provided with a positioning protrusion 12a and a first fixing hole 12b, and the bearing seat 12 is detachably connected to the first bearing block 14, and the combination of the bearing seat 12 and the first bearing block 14 is used to fix the main shaft 20 in the axial hole 11.

[0042] Furthermore, the first bearing block 14 and the bearing seat 12 are combined to form a shaft support seat structure, and the first bearing block 14 is provided with a positioning groove adapted thereto at a position corresponding to the positioning protrusion 12a. The first bearing block 14 is provided with a through hole coaxially corresponding to the first fixing hole 12b, and a first fastener passes through the through hole and the first fixing hole 12b to fix the first bearing block 14 to the bearing seat 12. The bearing seat 12 and the housing 10 are integrally formed by casting or die-casting; preferably, the bearing seat 12 and the housing 10 are formed by aluminum die-casting.

[0043] Specifically, combined Figure 5 As shown, the housing 10 is detachably connected to an upper cover 15 and a lower cover 16, wherein the upper cover 15 seals the upper opening of the housing 10 and the lower cover 16 seals the lower opening of the housing 10. The housing 10, the upper cover 15 and the lower cover 16 together form a closed space.

[0044] Specifically, combined Figure 2 As shown, the inner wall of the shell 10 has a fixing portion 13 for installing the motor bracket, and the fixing portion 13 is integrally formed with the shell 10; in the prior art, the platform structure for installing the motor bracket and the shell 10 adopt a split design, and the two need to be connected as one through a welding process. The utility model directly forms the fixing portion 13 on the inner wall of the shell 10 to simplify the assembly process.

[0045] Furthermore, in this embodiment, the fixing portion 13 is integrally connected to the adjacent side walls of the housing 10 , and the fixing portion 13 is a platform structure with a second fixing hole 13 a on its surface, through which the motor bracket is mounted on the fixing portion 13 . Example 2

[0046] Combination Figure 5-10 As shown, in another embodiment, a universal rotation structure is disclosed, including a main shaft 20 and the housing 10 in Embodiment 1, wherein the first device and the second device are respectively installed at both ends of the shaft body 21 of the main shaft 20.

[0047] Further, in this embodiment, the first device is the same as or different from the second device, and the first device and / or the second device includes an illumination device, a camera device, an optical sensor device, or a sound playback device. The universal rotation structure also includes a base 30 and a drive assembly 40, the drive assembly 40 includes a vertical motor 41 and a horizontal motor 44, the vertical motor 41 is used to drive the main shaft 20 to rotate, and the horizontal motor 44 is used to drive the housing 10 to rotate relative to the base 30.

[0048] Further, the housing 10 is rotatably mounted on the upper part of the base 30, and the fixed part 13 of the housing 10 is mounted with a first motor bracket 42, and the first motor bracket 42 is fixedly mounted with a vertical motor 41. The bottom shell is fixedly mounted with a second motor bracket 43, and the second motor bracket 43 is fixedly mounted with a horizontal motor 44. A vertical gear 22 is fixedly mounted on the shaft body 21 of the main shaft 20, and the output shaft of the vertical motor 41 is connected to the vertical gear 22 through a belt, thereby driving the main shaft 20 to rotate. A horizontal gear 45 is fixedly mounted on the bottom shell, and the output shaft of the horizontal motor 44 is connected to the horizontal gear 45 through a belt, thereby driving the housing 10 to rotate relative to the base 30.

[0049] Furthermore, combined with Figure 8-9As shown, the second motor bracket 43 includes a first platform 43a and a second platform 43b, the second platform 43b is formed by the lateral extension of the first platform 43a, and the horizontal motor 44 is installed on the second platform 43b. The first platform 43a is provided with a first through hole 43c, and the second platform 43b is provided with a second through hole 43d, and the output shaft of the horizontal motor 44 extends out of the second platform 43b through the second through hole 43d. A horizontal bearing 46 is provided between the base 30 and the housing 10, and a second bearing pressing block 47 is installed in the first through hole 43c, and the second bearing pressing block 47 is used to fix the horizontal bearing 46. In this embodiment, the second motor bracket 43 is formed in one piece by aluminum die casting.

[0050] Furthermore, combined with Fig.10 As shown, in this embodiment, the main shaft 20 is axially penetrated with a center hole 21a, and the middle area of ​​the main shaft 20 is provided with an open groove 21b connected to the center hole 21a, and the open groove 21b is located inside the housing 10. The open groove 21b and the center hole 21a are used to lay a cable connecting the first device and the second device.

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An intermediate housing of a universal rotating structure, wherein the housing is enclosed by four sides to form a hollow structure, and has two upper and lower openings, and shaft holes are coaxially penetrated on both sides of the housing, characterized in that: The side walls on both sides of the shell are provided with bearing seats corresponding to the positions of the shaft holes, and the bearing seats are integrally formed with the shell.

2. The intermediate housing of the universal rotating structure according to claim 1, characterized in that: The bearing seat portion and the housing are integrally formed by casting or die-casting.

3. The intermediate housing of the universal rotating structure according to claim 1, characterized in that: The bearing seat portion is detachably connected to a first bearing pressing block, and the combination of the bearing seat portion and the first bearing pressing block is used to fix the main shaft in the shaft hole.

4. The intermediate housing of the universal rotating structure according to claim 1, characterized in that: The shell is detachably connected with an upper cover and / or a lower cover.

5. The intermediate housing of the universal rotating structure according to claim 1, characterized in that: The inner wall of the shell has a fixing portion for mounting the motor bracket, and the fixing portion is integrally formed with the shell.

6. A universal rotating structure, characterized in that: It comprises a main shaft and a shell as described in any one of claims 1 to 5, wherein a first device and a second device are respectively installed at two ends of the main shaft.

7. A universal rotation structure according to claim 6, characterized in that: It also includes a base and a driving assembly, wherein the driving assembly includes a vertical motor and a horizontal motor, wherein the vertical motor is used to drive the main shaft to rotate, and the horizontal motor is used to drive the shell to rotate relative to the base.

8. The universal rotation structure according to claim 7, characterized in that: It also includes a second motor bracket, and the horizontal motor is mounted on the second motor bracket.

9. The universal rotation structure according to claim 8, characterized in that: The second motor bracket includes a first platform and a second platform, the second platform is formed by lateral extension of the first platform, and the horizontal motor is installed on the second platform.

10. The universal rotation structure according to claim 9, characterized in that: The second motor bracket is integrally formed by casting or die-casting.

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