Shaft arm rotating mechanism with locking function

Abstract

The utility model discloses a shaft arm rotating mechanism with a locking function, and relates to the technical field of joint robots, the shaft arm rotating mechanism comprises two groups of mounting plates which are symmetrically arranged, a rotating arm is arranged between the two mounting plates, and the bottoms of the two mounting plates are provided with fixing rods; the arc-shaped plate is arranged at the upper end of the rotating arm, the arc-shaped plate is arranged in an arc shape, limiting holes are formed in the surface of the arc-shaped plate, a plurality of limiting holes are distributed in the surface of the arc-shaped plate, the rotating arm is mounted on the inner side of the mounting plate, and first connecting holes are formed in the surface of the mounting plate; the arc-shaped plate can pass through the inner side of the first connecting hole when the rotating arm rotates, the locking rod penetrates through the first connecting hole and the limiting hole, the position of the arc-shaped plate is limited and fixed, the rotating arm can be driven to be fixed, the rotating arm is limited and fixed through the locking rod when rotating to a proper position, and therefore the stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to joint robot technical field, concretely is a kind of shaft arm rotating mechanism with locking function. BACKGROUND

[0002] Shaft arm rotating mechanism is a mechanical term, usually refers to a kind of mechanical structure that can make shaft and arm relative rotation.This mechanism has wide application in mechanical design and engineering, especially in the occasion that needs to realize rotary motion, the working principle of shaft arm rotating mechanism is based on mechanics, and shaft and arm are connected together by connecting piece (such as bearing, pin shaft etc.), and they are allowed to rotate within a certain range.

[0003] The existing shaft arm rotating mechanism is relatively single, resulting in poor torque, cannot be effectively fixed, easily lead to the fracture of shaft arm mechanism;Therefore we propose a kind of shaft arm rotating mechanism with locking function, in order to solve the problems raised in the above. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of shaft arm rotating mechanism with locking function, to solve the problems raised in the above background art that the existing shaft arm rotating mechanism is relatively single, resulting in poor torque, cannot be effectively fixed, easily lead to the fracture of shaft arm mechanism.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of shaft arm rotating mechanism with locking function, including mounting plate, and two groups of mounting plate are symmetrically arranged, rotating arm is arranged between two mounting plates, and the bottom of two mounting plates is provided with fixed rod;

[0006] Further comprising:

[0007] Arc plate is arranged at the upper end of rotating arm, and the arc plate is arranged in circular arc shape, the surface of the arc plate is provided with limiting hole, and the limiting hole is provided with several and evenly distributed on the surface of arc plate, the surface of the mounting plate is provided with first connecting hole, and the limiting hole is aligned with the first connecting hole, the limiting hole and the first connecting hole are connected by locking rod, and the locking rod passes through limiting hole and first connecting hole and locks the rotating arm.

[0008] Preferably, the upper end of the fixed rod is provided with connecting seat, the two ends of the connecting seat are symmetrically provided with second rotating shaft, the bottom surface of the mounting plate is provided with third connecting hole, the second rotating shaft is connected with the third connecting hole, and the mounting plate is swung at the upper end of the fixed rod by the connection of the second rotating shaft and the third connecting hole.

[0009] Preferably, the middle part of the rotating arm is symmetrically provided with a first rotating shaft at both ends, the front end surface of the mounting plate is provided with a second connecting hole, the second connecting hole is in butt joint with the first rotating shaft, the shaft center of the arc-shaped plate is consistent with the shaft center of the first rotating shaft, and the rotating arm swings in the inside of the mounting plate through the butt joint of the first rotating shaft and the second connecting hole.

[0010] Preferably, one side of the mounting plate is provided with an electric push rod, and the electric push rod is connected with the locking rod.

[0011] Preferably, the surface of the fixing rod is provided with a through groove, the through groove is in communication between the two sides of the surface of the fixing rod, and the arc-shaped plate is movable in the inside of the through groove.

[0012] Preferably, the two mounting plates are connected and fixed through a connecting rod.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] By setting the arc-shaped plate at one end of the rotating arm, distributing a plurality of limiting holes on the surface of the arc-shaped plate, and mounting the rotating arm in the inside of the mounting plate, setting the first connecting hole on the surface of the mounting plate, making the arc-shaped plate pass through the inside of the first connecting hole when the rotating arm rotates, and using the locking rod to pass through the first connecting hole and the limiting hole, the position of the arc-shaped plate is limited and fixed, so that the rotating arm can be fixed, and when the rotating arm rotates to the appropriate position, the locking rod is used for limiting and fixing, thereby improving the stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure left side schematic view of the utility model;

[0016] Figure 2 It is the overall structure right side schematic view of the utility model;

[0017] Figure 3 It is the overall structure explosion drawing of the utility model;

[0018] Figure 4 It is the overall structure side view of the utility model;

[0019] In the drawing: 1, mounting plate; 2, fixed rod; 3, through groove; 4, rotating arm; 5, arc-shaped plate; 6, limiting hole; 7, first connecting hole; 8, second connecting hole; 9, third connecting hole; 10, electric push rod; 11, locking rod; 12, first rotating shaft; 13, connecting seat; 14, second rotating shaft; 15, connecting rod. PREFERRED EMBODIMENT

[0020] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0021] The utility model provides a kind of shaft arm rotating mechanism with locking function, the device includes mounting plate 1, two groups are symmetrically provided in mounting plate 1, two mounting plates 1 are connected and fixed by connecting rod 15 between two mounting plates 1, rotating arm 4 is provided between two mounting plates 1, the bottom of two mounting plates 1 is provided with fixed rod 2.The utility model mainly solves the problem that the existing shaft arm rotating mechanism is relatively single, resulting in poor torque, cannot be effectively fixed, easily leading to the fracture of shaft arm mechanism.

[0022] For the device provided by the utility model, please refer to Figures 1-4 , specific introduction is made as follows.

[0023] Arc-shaped plate 5 is arranged at the upper end of rotating arm 4, and the arc-shaped plate 5 is arranged in a circular arc shape, and a limiting hole 6 is arranged on the surface of the arc-shaped plate 5, and the limiting hole 6 is arranged in a plurality of and uniformly distributed on the surface of the arc-shaped plate 5, and a first connecting hole 7 is arranged on the surface of the mounting plate 1, and the limiting hole 6 is aligned with the first connecting hole 7, and the limiting hole 6 and the first connecting hole 7 are connected by a locking rod 11, and the locking rod 11 passes through the limiting hole 6 and the first connecting hole 7 to lock and limit the rotating arm 4, and one side of the mounting plate 1 is provided with an electric push rod 10, and the electric push rod 10 is connected with the locking rod 11, and the electric push rod 10 is used to drive the locking rod 11 to extend and retract, so that the rotating arm 4 is rotated to a certain position, and then the electric push rod 10 is driven to pass the locking rod 11 through the inside of the limiting hole 6 and the first connecting hole 7, so as to limit the arc-shaped plate 5, and the middle part of the rotating arm 4 is symmetrically provided with a first rotating shaft 12, and the front end surface of the mounting plate 1 is provided with a second connecting hole 8, and the second connecting hole 8 is butt-jointed with the first rotating shaft 12, and the axis of the arc-shaped plate 5 is consistent with the axis of the first rotating shaft 12, so that the arc-shaped plate 5 rotates along the axis of the first rotating shaft 12, and the rotating arm 4 swings in the inside of the mounting plate 1 through the butt-joint of the first rotating shaft 12 and the second connecting hole 8, and the upper end of the fixed rod 2 is provided with a connecting seat 13, and the two ends of the connecting seat 13 are symmetrically provided with a second rotating shaft 14, and the bottom surface of the mounting plate 1 is provided with a third connecting hole 9, and the second rotating shaft 14 is butt-jointed with the third connecting hole 9, and the mounting plate 1 swings at the upper end of the fixed rod 2 through the connection of the second rotating shaft 14 and the third connecting hole 9, so that the mounting plate 1 can swing at the upper end of the fixed rod 2, and the surface of the fixed rod 2 is provided with a through slot 3, and the through slot 3 communicates the two sides of the surface of the fixed rod 2, and the arc-shaped plate 5 moves in the inside of the through slot 3, so that the rotating arm 4 can pass through the through slot 3 to avoid the shielding of the fixed rod 2 when driving the arc-shaped plate 5 to rotate.

[0024] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A shaft arm rotating mechanism with locking function, comprising a mounting plate (1), and two sets of mounting plates (1) are symmetrically arranged, a rotating arm (4) is arranged between the two mounting plates (1), and a fixing rod (2) is arranged at the bottom of the two mounting plates (1). characterized in that Further comprising: An arc-shaped plate (5) is arranged at the upper end of the rotating arm (4), and the arc-shaped plate (5) is arranged in a circular arc shape, a limiting hole (6) is arranged on the surface of the arc-shaped plate (5), and a plurality of limiting holes (6) are uniformly distributed on the surface of the arc-shaped plate (5), a first connecting hole (7) is arranged on the surface of the mounting plate (1), the limiting hole (6) is aligned with the first connecting hole (7), the limiting hole (6) and the first connecting hole (7) are connected through a locking rod (11), and the locking rod (11) passes through the limiting hole (6) and the first connecting hole (7) to lock and limit the rotating arm (4).

2. The shaft arm rotating mechanism with locking function according to claim 1, characterized in that: The upper end of the fixing rod (2) is provided with a connecting seat (13), the two ends of the connecting seat (13) are symmetrically provided with a second rotating shaft (14), the bottom surface of the mounting plate (1) is provided with a third connecting hole (9), the second rotating shaft (14) is connected with the third connecting hole (9), and the mounting plate (1) is swung at the upper end of the fixing rod (2) through the connection of the second rotating shaft (14) and the third connecting hole (9).

3. The shaft arm rotating mechanism with locking function according to claim 1, characterized in that: The middle part of the rotating arm (4) is symmetrically provided with a first rotating shaft (12), the front end surface of the mounting plate (1) is provided with a second connecting hole (8), the second connecting hole (8) is connected with the first rotating shaft (12), the axis of the arc-shaped plate (5) is consistent with the axis of the first rotating shaft (12), and the rotating arm (4) is swung in the mounting plate (1) through the connection of the first rotating shaft (12) and the second connecting hole (8).

4. The shaft arm rotating mechanism with locking function according to claim 1, characterized in that: One side of the mounting plate (1) is provided with an electric push rod (10), and the electric push rod (10) is connected with the locking rod (11).

5. The shaft arm rotating mechanism with locking function according to claim 1, characterized in that: The surface of the fixing rod (2) is provided with a through groove (3), the through groove (3) communicates the two sides of the surface of the fixing rod (2), and the arc-shaped plate (5) is movably arranged in the through groove (3).

6. The shaft arm rotating mechanism with locking function according to claim 1, characterized in that: The two mounting plates (1) are connected and fixed through a connecting rod (15).

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