Blade fixing bolt anti-rotation structure

Abstract

The utility model discloses an anti-rotation structure for a blade fixing bolt, and belongs to the field of blade connecting structures. A paddle fixing bolt anti-rotation structure comprises a paddle body mounted on a stirring shaft and further comprises a screw in threaded connection with the stirring shaft, a fixing seat is slidably arranged at the end, away from the screw, of a fixing rod, one end face of the fixing seat abuts against one end of the paddle body, and a clamping plate is elastically arranged on one end face of the fixing seat. A plurality of groups of clamping grooves are uniformly formed in the outer wall of the paddle body, and the clamping plates are connected with the corresponding clamping grooves in a clamping manner; the fixing base sliding along the axis of the screw rod is arranged on the screw rod, the clamping plate is elastically arranged on the fixing base, locking and rotation prevention can be achieved through clamping connection of the clamping plate and the clamping groove, the fixing base is pulled in the direction away from the fixing rod, at the moment, the clamping plate is separated from the clamping connection with the clamping groove, and therefore locking is achieved. At the moment, the fixed seat is driven to drive the screw rod to rotate reversely, so that the paddle body can be easily disassembled, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paddle connecting structure field especially relates to a paddle fixing bolt anti-rotation structure. BACKGROUND

[0002] In the production process of powder or liquid medicine, usually need to put multiple raw materials into the mixing box to stir, mix, usually bolt the paddle in the mixing box on the stirring shaft, in order to ensure that the paddle does not loosen in the running process due to vibration or external force, often use bolt anti-rotation structure, the commonly used anti-rotation structure has self-locking nut, double nut anti-loose structure, mechanical anti-loose device, chemical anti-loose agent, special anti-loose bolt etc.

[0003] The existing special anti-loose bolt generally is knurled on the bolt head or screw rod part, increases friction, prevents rotation, or has a spring inside, can automatically lock and prevent rotation, although it has certain anti-rotation effect, but when disassembling and maintaining the paddle, it is also difficult to disassemble, affects the maintenance efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem of difficult disassembly of the anti-loose bolt in the prior art, affecting the maintenance efficiency, and proposes a paddle fixing bolt anti-rotation structure.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A paddle fixing bolt anti-rotation structure, including the paddle body installed on the stirring shaft, still include the screw rod with the stirring shaft screw connection, the fixed rod is fixedly arranged on the one end of the screw rod extending out the paddle body, the fixed rod is slidably arranged with the fixed seat on the one end away from the screw rod, the one end surface of the fixed seat is abutted with the one end of the paddle body, the clamping plate is elastically arranged on the one end surface of the fixed seat, and a plurality of clamping grooves are uniformly arranged on the outer wall of the paddle body, and the clamping plate is clamped and connected with the corresponding clamping groove.

[0007] In order to ensure that the fixed seat reliably slides, preferably, the guide groove is formed in the fixed seat, the guide plate is slidably arranged in the guide groove, the one end of the fixed rod away from the screw rod is fixedly connected with the guide plate, and the first spring is sleeved on the fixed rod, and the two ends of the first spring are respectively abutted with the guide plate and the guide groove, and the guide plate is a polygon.

[0008] In order to realize the elastic sliding of the clamping plate, preferably, the limiting groove is formed in the fixed seat, the limiting plate is slidably arranged in the limiting groove, the one end of the clamping plate extending into the limiting groove is fixedly connected with the limiting plate, and the second spring is arranged in the limiting groove, and the two ends of the second spring are respectively abutbed with the limiting plate and the limiting groove.

[0009] In order to facilitate the rotation of the fixed seat, preferably, the fixed seat is a hemispherical structure, and a plurality of planes are uniformly arranged on the curved surface of the fixed seat.

[0010] Further, a plurality of protrusions are fixedly arranged on the planes.

[0011] Preferably, an inclined surface extending in the screw tightening direction is arranged on one side of the inner wall of the clamping groove.

[0012] Compared with the prior art, the paddle fixing bolt anti-rotation structure has the following beneficial effects:

[0013] 1. The paddle fixing bolt anti-rotation structure, by setting the fixed seat sliding along the axis of the screw on the screw, elastically arranging the clamping plate on the fixed seat, and through the clamping connection of the clamping plate and the clamping groove, locking and preventing rotation can be achieved. Pulling the fixed seat away from the fixed rod direction, at this time the clamping plate is disconnected with the clamping groove, and at this time the fixed seat is reversely rotated with the screw, which can easily realize the disassembly of the paddle body, and improve the maintenance efficiency.

[0014] 2. The paddle fixing bolt anti-rotation structure, by setting the fixed seat on the fixed seat, the plane is convenient for driving the fixed seat to rotate with the screw, and the protrusion is fixedly arranged on the plane, which is convenient for sliding the fixed seat, and improves the use effect.

[0015] The parts not involved in the device are the same as or can be realized by the prior art. The paddle fixing bolt anti-rotation structure, by setting the fixed seat sliding along the axis of the screw on the screw, elastically arranging the clamping plate on the fixed seat, and through the clamping connection of the clamping plate and the clamping groove, locking and preventing rotation can be achieved. Pulling the fixed seat away from the fixed rod direction, at this time the clamping plate is disconnected with the clamping groove, and at this time the fixed seat is reversely rotated with the screw, which can easily realize the disassembly of the paddle body, and improve the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the paddle fixing bolt anti-rotation structure is shown in the structure of the paddle fixing bolt anti-rotation structure. Figure One ;

[0017] Figure 2 The structure of the paddle fixing bolt anti-rotation structure is shown in the structure of the paddle fixing bolt anti-rotation structure. Figure Two ;

[0018] Figure 3 The structure of the paddle fixing bolt anti-rotation structure is shown in the structure of the paddle fixing bolt anti-rotation structure.

[0019] Figure 4 The structure of the paddle fixing bolt anti-rotation structure is shown in the structure of the paddle fixing bolt anti-rotation structureFigure 3 Enlarged view of part A.

[0020] In the figure: 1, screw rod; 101, fixed rod; 102, guide plate; 103, first spring; 2, fixed seat; 201, guide groove; 202, limiting groove; 203, plane; 3, limiting plate; 301, clamping plate; 302, second spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0022] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0023] Embodiment:

[0024] Referring to Figures 1-4The utility model provides a paddle fixed bolt anti -convolution structure, including the paddle body of installation on the stirring shaft, the fixed shaft of paddle body is set up the installation hole of polygon, the fixed setting of stirring shaft corresponds with installation hole limiting shaft, installation hole is hexagonal preferably, can avoid the relative rotation between paddle body and stirring shaft, causes the paddle body to be unable normal work. Still include the screw rod 1 of threaded connection with stirring shaft, fixedly set up fixed rod 101 on the one end of screw rod 1 extending out paddle body, the fixed seat 2 of sliding setting is set up on the end of fixed rod 101 away from screw rod 1, the end face of fixed seat 2 and fixed rod 101 combination is with the end face of paddle body and reaches, and the elastic setting of clamping plate 301 is set up on the end face of fixed seat 2 and fixed rod 101 combination, and the even set up of multiple sets of clamping groove is set up on the outer wall of paddle body, and clamping groove sets up two sets to thirty -six sets, preferably twenty sets, and multiple sets of clamping groove is evenly distributed in circumference, clamping plate 301 is connected with the corresponding clamping groove, and clamping plate 301 sets up two sets to twenty sets, here, we preferably five sets, in use, through the elastic setting of clamping plate 301 on fixed seat 2, with fixed seat 2 with screw rod 1 rotation to the fixed paddle body, clamping plate 301 can in turn slide from the clamping groove, after complete fixation, clamping plate 301 will be connected with the clamping groove of current position, at this time can automatically lock and prevent convolution, when needing to disassemble and maintain paddle body, can pull fixed seat 2 to the direction away from fixed rod 101, at this time clamping plate 301 is disconnected with the clamping connection of clamping groove, and at this time drive fixed seat 2 with screw rod 1 reverse rotation, can easily realize the paddle body is taken down, improve maintenance efficiency.

[0025] In use, by setting the fixed seat 2 of sliding along its axis on the screw rod 1, the elastic setting of clamping plate 301 on fixed seat 2, through the clamping connection of clamping plate 301 and clamping groove, can realize locking and prevent convolution, pull fixed seat 2 to the direction away from fixed rod 101, at this time clamping plate 301 is disconnected with the clamping connection of clamping groove, and at this time drive fixed seat 2 with screw rod 1 reverse rotation, can easily realize the paddle body is taken down, improve maintenance efficiency, by setting the plane 203 on fixed seat 2, facilitate drive fixed seat 2 with screw rod 1 rotation, and fixedly set up the convex on plane 203, facilitate pulling fixed seat 2 and sliding, improve use effect.

[0026] Refer to Figure 3The guiding groove 201 is arranged in the fixing base 2, the guiding plate 102 is slidably arranged in the guiding groove 201, the fixing rod 101 is fixedly connected with the guiding plate 102 at the end away from the screw rod 1, the first spring 103 is sleeved on the fixing rod 101, the two ends of the first spring 103 are respectively abutted against the guiding plate 102 and the guiding groove 201, the guiding plate 102 is a polygon, preferably a hexagon, so that the fixing base 2 cannot rotate relative to the fixing rod 101 in use, and normal use is ensured, in use, the guiding groove 201 is arranged in the fixing base 2, the guiding plate 102 is slidably arranged in the guiding groove 201, the fixing rod 101 is fixedly connected with the guiding plate 102, the fixing base 2 is conveniently driven to slide relative to the fixing rod 101, the clamping plate 301 is separated from the clamping groove, the paddle body is conveniently disassembled, and the use effect is improved; after the pulling of the fixing base 2 is released, the fixing base 2 can abut against the paddle body under the elastic force of the first spring 103.

[0027] Referring to Figure 4 The limiting groove 202 is arranged in the fixing base 2, the limiting plate 3 is slidably arranged in the limiting groove 202, the clamping plate 301 is fixedly connected with the limiting plate 3 at the end extending into the limiting groove 202, and the second spring 302 is arranged in the limiting groove 202, the two ends of the second spring 302 are respectively abutted against the limiting plate 3 and the limiting groove 202, in use, the limiting groove 202 is arranged in the fixing base 2, the limiting plate 3 is slidably arranged in the limiting groove 202, the clamping plate 301 is fixedly connected with the limiting plate 3, and the clamping plate 301 is conveniently slid out of the limiting groove 202 under the elastic force of the second spring 302, so that the automatic locking effect is realized.

[0028] Referring to Figures 1-3 The fixing base 2 is designed as a semispherical structure, the diameter of the fixing base 2 is equal to the diameter of the paddle body fixing shaft, the approximation and integrity are improved, and the aesthetic effect is improved, a plurality of planes 203 are uniformly arranged on the arc surface of the fixing base 2, the number of the planes 203 is two to ten, preferably eight, and the eight planes 203 are uniformly distributed in a circle and are spatially parallel to the axis of the fixing rod 101, in use, the planes 203 are arranged on the fixing base 2, the fixing base 2 is conveniently driven to rotate, and the use effect is improved.

[0029] Referring to Figure 2 And Figure 3 The protrusions are fixedly arranged on the plurality of planes 203, and the cross section of the protrusion is a rectangular structure, in use, the protrusions are fixedly arranged on the planes 203, when the fixing base 2 is pulled and slid along the axis of the fixing rod 101, the anti-skid effect is achieved, and reliable pulling is ensured.

[0030] Referring to Figure 2, we have the inclined surface extending to the screw 1 tightening direction on the inner wall of the one side of the clamping groove, that is to say, the inner wall of the one side of the clamping groove to the screw 1 tightening direction is inclined, in the tightening process, the clamping plate 301 is conveniently slid out from the current clamping groove to the next clamping groove, automatic locking is realized, and when the screw 1 is reversely rotated, the clamping plate 301 abuts against the inner wall of the other side of the clamping groove, the screw 1 is prevented from being rotated reversely, and the use effect is improved.

[0031] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A paddle fixing bolt anti-rotation structure comprising a paddle body mounted on a stirring shaft, characterized by, Also include with the stirring shaft threaded connection screw (1), the screw (1) extends out of the paddle body one end fixedly provided with a fixed rod (101), the fixed rod (101) away from the screw (1) one end of the fixed seat (2) is provided with slidingly, the fixed seat (2) one end face and paddle body one end abuts, the fixed seat (2) one end face is elastically provided with a clamping plate (301), and the paddle body outer wall is evenly provided with a plurality of clamping grooves, the clamping plate (301) and the corresponding clamping groove are clamped and connected.

2. A paddle retaining bolt anti-rotation structure according to claim 1, wherein The fixed seat (2) is provided with a guide groove (201), the guide groove (201) is provided with a guide plate (102) slidingly, the fixed rod (101) away from the screw (1) one end and the guide plate (102) are fixedly connected, and the fixed rod (101) is provided with a first spring (103), the both ends of the first spring (103) are respectively abutted with the guide plate (102) and the guide groove (201), and the guide plate (102) is a polygon.

3. A paddle retaining bolt anti-rotation structure according to claim 1, wherein The fixed seat (2) is provided with a limiting groove (202), the limiting groove (202) is provided with a limiting plate (3) slidingly, the clamping plate (301) one end extending into the limiting groove (202) and the limiting plate (3) are fixedly connected, and the limiting groove (202) is provided with a second spring (302), the both ends of the second spring (302) are respectively abutted with the limiting plate (3) and the limiting groove (202).

4. A paddle retaining bolt anti-rotation structure according to claim 1, wherein The fixed seat (2) is a semispherical structure, and a plurality of flat surfaces (203) are evenly arranged on the curved surface of the fixed seat (2).

5. A paddle retaining bolt anti-rotation structure according to claim 4, wherein A plurality of the flat surfaces (203) are fixedly provided with protrusions, and the cross section of the protrusions is a rectangular structure.

6. A paddle retaining bolt anti-rotation structure according to claim 1, wherein The inner wall of the clamping groove is provided with an inclined surface extending in the screwing direction of the screw (1).

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