Rotating shaft structure based on gear locking

Abstract

The rotating shaft structure based on gear locking comprises a shaft seat and a shell structure, a sliding groove is formed in one side of the upper end of the shaft seat, protruding butt joint parts protruding upwards are arranged at the two ends of the sliding groove, and butt joint holes are formed in the adjacent sides of the protruding butt joint parts on the two sides. A shaft body assembly in butt joint with the shaft seat in a matched mode is arranged in the shell structure, the shaft body assembly comprises an upper shaft body part and a lower shaft body part which are in butt joint with the protruding butt joint parts on the two sides in a matched mode respectively, and a groove body is formed in the shell structure and allows the end of the upper shaft body part and the end of the lower shaft body part to penetrate through. According to the utility model, the handle drives the gear to drive the upper shaft body part and the lower shaft body part which are overlapped up and down to move oppositely in the horizontal direction, and are respectively matched and butted with the upper shaft body part and the lower shaft body part at the two ends, so that the shaft bodies are mounted and locked, and the stability of the whole structure of the rotating shaft structure during use is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pivot structure based on gear locking belongs to pivot structure technical field. BACKGROUND

[0002] Pivot structure is used for the shaft body structure of rotary connection between different structures in mechanical design, in many application scenarios, such as automation equipment, robot, numerical control machine tool and precision instrument, the stability and reliability of pivot are crucial.

[0003] The existing pivot structure is usually rotated and connected with connecting piece at both ends of shaft body, which is difficult to disassemble conveniently in use, and cannot realize flexible locking and dismounting function.

[0004] Therefore, a pivot structure based on gear locking is needed to improve the above problems. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problems in the prior art, and provides a pivot structure based on gear locking to solve the problems that the existing pivot structure is usually rotated and connected with connecting piece at both ends of shaft body, which is difficult to disassemble conveniently in use, and cannot realize flexible locking and dismounting function.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] A pivot structure based on gear locking, comprising shaft seat and shell structure, the upper end of the shaft seat is provided with a sliding groove on one side, the two ends of the sliding groove are provided with upward protruding protruding butt joints, and the adjacent sides of the protruding butt joints on both sides are provided with butt holes, the shell structure is provided with a shaft body assembly matched with the shaft seat, the shaft body assembly comprises an upper shaft body and a lower shaft body matched with the protruding butt joints on both sides, a groove is formed in the shell structure for the end of the upper shaft body and the lower shaft body to pass through, the main bodies of the upper shaft body and the lower shaft body are arranged in a stacked manner, and gear drive structures are arranged in the middle of the main bodies of the upper shaft body and the lower shaft body, so that the upper shaft body and the lower shaft body move in opposite directions in the horizontal plane when driven by the gear drive structures.

[0008] Among them, the upper shaft body comprises an upper frame, and the lower shaft body comprises a lower frame, the upper frame and the lower frame form an overlapping space in the vertical direction, the upper frame is fixedly connected with a butt shaft a on one side through an upper connecting piece, the lower frame is fixedly connected with a butt shaft b on one side through a lower connecting piece, the upper connecting piece and the lower connecting piece extend to the outside of the shell structure through the groove, and the butt shaft a and the butt shaft b are arranged outside the shell structure.

[0009] The gear driving structure comprises a gear arranged inside the overlapping space, the middle part of the gear is fixedly connected with a shaft body, the two ends of the shaft body are rotationally connected with the shell structure, the upper end of the shaft body extends to the outside through the shell structure and is fixedly connected with a handle, the gear driving structure further comprises a rack fixedly connected with the lower frame body and the inner side of the upper frame body, the racks fixedly connected with the inner sides of the lower frame body and the upper frame body are oppositely arranged and respectively engaged with the two sides of the gear.

[0010] The height of the gear is the same as the overlapping height of the upper frame body and the lower frame body.

[0011] The shell structure comprises a shell, the inside of the shell is hollow and the lower end of the shell is open, a bottom cover is arranged at the lower end of the shell in a matching mode, and the bottom cover is fixedly connected with the shell through screws.

[0012] The groove body comprises a moving groove a and a moving groove b which are arranged on one side of the shell in a penetrating mode, and the moving groove a is located above the moving groove b.

[0013] The width of the moving groove a is matched with the thickness of the upper connecting piece, and the width of the moving groove b is matched with the thickness of the lower connecting piece.

[0014] The protruding butt joint parts located at the two ends limit the rotation of the handle, so that the rotation degree of the handle is 0-180°.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] In the utility model, the upper shaft body part and the lower shaft body part arranged in a superposed mode are driven by the handle to move in opposite directions in the horizontal direction, and are respectively matched and connected with the upper shaft body part and the lower shaft body part at the two ends, so that the installation and locking of the shaft body are completed, the overall structural stability of the rotating shaft structure during use is ensured, and when disassembly is needed, the upper shaft body part and the lower shaft body part can be quickly disassembled and separated by driving the gear in the opposite direction. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or other aspects of the utility model will become more apparent by the following description in connection with the accompanying drawings and specific embodiments.

[0018] Figure 1 It is an installation schematic view of the utility model;

[0019] Figure 2 It is a split view of the utility model;

[0020] Figure 3 It is a split view of the locking structure in the utility model. DETAILED DESCRIPTION

[0021] The utility model can be better understood according according to the following examples.

[0022] Embodiment, please refer to Figure 1 、 2 and 3, a kind of based on gear locking's rotating shaft structure, including shaft seat 1 and shell structure, the upper end of shaft seat 1 one side is provided with sliding slot 5, the both ends of sliding slot 5 are provided with the protruding butt joint portion 2 of upward protrusion, and the adjacent side of both sides protruding butt joint portion 2 is provided with butt joint hole 6, shell structure is provided with the shaft body assembly of cooperation butt joint with shaft seat 1, and the shaft body assembly includes the upper shaft body piece and lower shaft body piece of cooperation butt joint with both sides protruding butt joint portion 2 respectively, groove is set up on shell structure, and the end of upper shaft body piece and lower shaft body piece passes through, the main body of upper shaft body piece and lower shaft body piece is arranged in stack in up and down, and gear drive structure is set up in the main body of upper shaft body piece and lower shaft body piece, and upper shaft body piece and lower shaft body piece are driven in horizontal plane and move in opposite directions by the gear drive structure.

[0023] Gear drive structure is used to drive upper shaft body piece and lower shaft body piece and move in opposite directions, and cooperation butt joint with both ends protruding butt joint portion 2, overall installation is convenient, guarantee the stability of rotating shaft structure when using, can also realize the disassembly of convenience.

[0024] Please refer to Figure 1 、 2 and 3, upper shaft body piece includes upper frame body 11, and lower shaft body piece includes lower frame body 12, and upper frame body 11 and lower frame body 12 form overlapping space in vertical direction, and one side of upper frame body 11 is fixedly connected with butt joint shaft a 7 by upper connecting piece 14, and one side of lower frame body 12 is fixedly connected with butt joint shaft b 8 by lower connecting piece 15, and upper connecting piece 14 and lower connecting piece 15 extend to the outside of shell structure through groove, and butt joint shaft a 7 and butt joint shaft b 8 are arranged outside shell structure.

[0025] Frame body 11 and lower frame body 12 form overlapping space, can be installed for gear drive structure, and upper frame body 11 and lower frame body 12 are respectively connected with butt joint shaft a 7 and butt joint shaft b 8 by upper connecting piece 14 and lower connecting piece 15, and butt joint shaft a 7 and butt joint shaft b 8 are respectively inserted with the butt joint hole on the protruding butt joint portion 2 of both ends.

[0026] Please refer to Figure 1 、 2And 3, the gear driving structure includes the gear arranged in the overlapping space, the middle part of the gear is fixedly connected with the shaft body, the both ends of the shaft body are rotatably connected with the shell structure, the upper end of the shaft body extends to the outside through the shell structure and is fixedly connected with the handle 4, the gear driving structure further includes the rack 13 fixedly connected with the lower frame body 12 and the inner side of the upper frame body 11, the rack 13 fixedly connected with the inner side of the lower frame body 12 and the upper frame body 11 is oppositely arranged and is engaged with the both sides of the gear respectively, the height of the gear is same with the overlapping height of the upper frame body 11 and the lower frame body 12.

[0027] The driving structure drives the gear to rotate by the handle 4, the gear is engaged with the rack 13 in the inner side of the lower frame body 12 and the upper frame body 11 respectively, drives the lower frame body 12 and the upper frame body 11 to move in the opposite direction, the height of the gear is same with the overlapping height of the upper frame body 11 and the lower frame body 12, ensures the stability of movement during driving, the convex butt joint part 2 at both ends limits the rotation of the handle 4, and the rotation degree of the handle 4 is 0-180 degrees.

[0028] The shell structure includes the shell 3, the inside of the shell 3 is hollow and the lower end is open, the lower end of the shell 3 is matched with the bottom cover, the bottom cover is fixedly connected with the shell 3 through screws, the groove body includes the moving groove a 9 and the moving groove b 10 throughly arranged on one side of the shell 3, the moving groove a 9 is located above the moving groove b 10, the width of the moving groove a 9 is adapted to the thickness of the upper connecting piece 14, and the width of the moving groove b 10 is adapted to the thickness of the lower connecting piece 15.

[0029] The utility model provides a kind of thought and method of pivot structure based on gear locking, the method and approach of specifically realizing this technical scheme are many, above-mentioned is only preferred implementation mode of the utility model, it should be pointed out, for the ordinary skilled in the art of this technology, without departing from the principle of the utility model, still can make several improvements and refinements under the premise, these improvements and refinements also should be regarded as the protection scope of the utility model. The components not explicitly in the embodiment can be realized by prior art.

Claims

1. A gear locking based rotating shaft structure, comprising a shaft seat (1) and a shell structure, a sliding groove (5) is formed on one side of the upper end of the shaft seat (1), upward protruding protruding butt joints (2) are arranged at both ends of the sliding groove (5), and adjacent sides of the protruding butt joints (2) on both sides are provided with butt joints (6), characterized in that: The shell structure is internally provided with an axle body assembly matched with the axle seat (1), the axle body assembly includes an upper axle body piece matched with the two side protruding butt joint parts (2) respectively, and a lower axle body piece, a groove is formed on the shell structure for the end part of the upper axle body piece and the lower axle body piece to pass through, the main bodies of the upper axle body piece and the lower axle body piece are arranged in a stack-up manner, and a gear driving structure is arranged in the middle part of the main bodies of the upper axle body piece and the lower axle body piece, so that the upper axle body piece and the lower axle body piece are driven to move in opposite directions in a horizontal plane.

2. The shaft structure based on the gear locking according to claim 1, characterized in that: The upper axle body piece includes an upper frame body (11), and the lower axle body piece includes a lower frame body (12), the upper frame body (11) and the lower frame body (12) form an overlapping space in a vertical direction, one side of the upper frame body (11) is fixedly connected with a butt joint axle a (7) through an upper connecting piece (14), one side of the lower frame body (12) is fixedly connected with a butt joint axle b (8) through a lower connecting piece (15), the upper connecting piece (14) and the lower connecting piece (15) extend to the outside of the shell structure through the groove, and the butt joint axle a (7) and the butt joint axle b (8) are arranged outside the shell structure.

3. The shaft structure based on the gear locking according to claim 2, characterized in that: The gear driving structure includes a gear arranged inside the overlapping space, a shaft body is fixedly connected to the middle part of the gear, both ends of the shaft body are rotatably connected to the shell structure, the upper end of the shaft body extends to the outside of the shell structure and is fixedly connected with a handle (4), and the gear driving structure further includes a rack (13) fixedly connected to the inside of the lower frame body (12) and the upper frame body (11), the racks (13) fixedly connected to the inside of the lower frame body (12) and the upper frame body (11) are oppositely arranged and respectively engaged with both sides of the gear.

4. The shaft structure based on the gear locking according to claim 3, characterized in that: The height of the gear is the same as the overlapping height of the upper frame body (11) and the lower frame body (12).

5. The shaft structure based on the gear locking according to any one of claims 1 to 4, characterized in that: The shell structure includes a shell (3), the inside of the shell (3) is hollow and the lower end of the shell (3) is open, a bottom cover is arranged at the lower end of the shell (3), and the bottom cover is fixedly connected to the shell (3) through screws.

6. The shaft structure based on the gear locking according to claim 5, characterized in that: The groove includes a moving groove a (9) and a moving groove b (10) arranged on one side of the shell (3), and the moving groove a (9) is located above the moving groove b (10).

7. The shaft structure based on the gear locking according to claim 6, characterized in that: The width of the moving groove a (9) is adapted to the thickness of the upper connecting piece (14), and the width of the moving groove b (10) is adapted to the thickness of the lower connecting piece (15).

8. The shaft structure based on the gear locking according to claim 3, characterized in that: The protruding butt joint parts (2) at both ends limit the rotation of the handle (4), and the rotation degree of the handle (4) is 0-180°.

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