CN210068729U - Rotating device with angle adjusting locking function - Google Patents

Abstract

The rotating device with the angle adjusting and locking function comprises an upper top cover, a rotating positioning assembly, a lower base and a pushing block, wherein a central shaft is arranged at the central position of the lower base, the central shaft penetrates through the central position of the upper top cover, the pushing block is inserted into the lower base and abutted against the rotating positioning assembly, the pushing block pushes the rotating positioning assembly to rotate between the upper top cover and the lower base relative to the lower base by taking the central shaft as an axis, pin holes are uniformly distributed in the circumference of the upper top cover, limiting jacking pins are arranged at two ends of the rotating positioning assembly, the upper top cover rotates relative to the lower base by taking the central shaft as the axis to adjust the angle, and the limiting jacking pins are inserted into the pin holes to lock the upper top cover. The utility model has the advantages of convenient operation, improvement work efficiency, save space, the mechanism is simple, conversion efficiency is showing, cost of maintenance is low.

Description

Rotating device with angle adjusting locking function

Technical Field

The utility model relates to a mechanical rotation part technical field, concretely relates to rotary device with angle modulation locking.

Background

Rotating devices are widely used in places where rotation is needed in daily life, such as a rotating dining table, a rotating door, a wheel maintenance device, which are simple relative rotation between two components.

The mechanical rotating devices are mainly classified into two types, one type is a microcomputer control type, and the other type is an automatic centering type. The automatic centering type rotation balancing device has the advantages of simple structure, reliable work, low cost and no need of providing external energy, can automatically adjust the unbalance of the rotating shaft, but has the characteristic of increasing the unbalance amount of the rotating shaft in a subcritical state, so that the rotating device can play the role of automatic balancing only when the rotating device runs in a state of passing a critical rotating speed, has the defect of incapability of adjusting under rotation, has certain limitation in application, and is mostly applied to large machinery rotating at high speed at present.

The self-locking device is used in a mechanical positioning device and has a snap-in type and the like. Some self-locking positioning devices comprise an automatically controlled unlocking component. When the unlocking element is unlocked, the rotary element can be rotated and locked again in a new position. In the prior art, the self-locking positioning device is generally in a unidirectional rotation mode, and the mechanical structure is large in size and complex to operate. The large-volume structure is inconvenient to operate, needs a large space for installation and use, is long in installation time and is high in maintenance cost.

Therefore, it is necessary to design a rotating device with an angle adjustment lock to solve the above disadvantages of rotation and self-locking positioning.

Disclosure of Invention

In view of this, the utility model aims at providing a rotary device with angle modulation locking has convenient operation, improves work efficiency, saves space, and the mechanism is simple, conversion efficiency is showing, cost of maintenance low grade advantage.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the rotating device with the angle adjusting and locking function comprises an upper top cover, a rotating positioning assembly, a lower base and a pushing block, wherein a central shaft is arranged at the central position of the lower base, the central shaft penetrates through the central position of the upper top cover, the pushing block is inserted into the lower base and abutted against the rotating positioning assembly, the pushing block pushes the rotating positioning assembly to rotate between the upper top cover and the lower base relative to the lower base by taking the central shaft as an axis, pin holes are uniformly distributed in the circumference of the upper top cover, limiting jacking pins are arranged at two ends of the rotating positioning assembly, the upper top cover rotates relative to the lower base by taking the central shaft as the axis to adjust the angle, and the limiting jacking pins are inserted into the pin holes to lock the upper top cover.

Preferably, the rotational positioning component further comprises a limiting slide rail and a T-shaped support, the limiting slide rail is sleeved on the central shaft, a reset torsion spring is arranged between the central shaft in a pressing mode, the surface of the limiting slide rail is provided with the symmetrical bearing slide grooves which are arranged as the symmetrical centers of the central shaft, one end of the limiting ejector pin is arranged at the top end of the T-shaped support in a penetrating mode, the other end of the limiting ejector pin is connected with the bearing slide grooves in a sliding mode through bearings, and the top end axis of the T-shaped support is perpendicular to the axis of the bearings in the spatial position.

Preferably, the number of the T-shaped supports is 2, the central shaft is arranged on the lower base as a symmetric center, a long strip-shaped push block sliding groove and a notch are further formed in the lower base, the notch is formed in the circumference of the lower base, the push block is embedded in the notch and slides along the axial direction of the push block sliding groove, and a top center connecting line of the T-shaped supports is perpendicular to the transverse axis of the push block sliding groove.

Preferably, a boss is arranged at one end of the push block, which is located on the outer side of the lower base, a vertical tail wing-shaped stop dog is arranged at one end of the push block, which is located on the inner side of the lower base, the stop dog is abutted to the side face of the limiting slide rail, an inward concave movable limiting block is further arranged on the push block slide groove, and the push block is embedded in the inward concave part of the movable limiting block and slides along the axial direction of the push block slide groove.

Preferably, the outer surface of the boss is provided with a flexible gasket, and the length of the push block is greater than that of the push block sliding groove.

Preferably, a fixed groove is formed in the center of the upper top cover in a downward recessed mode, the top end of the central shaft is lower than the top end of the fixed groove, an open pin is arranged at the top end of the central shaft, and the open pin is abutted to the bottom of the fixed groove to achieve fixed connection of the upper top cover, the rotary positioning assembly and the lower base.

Compared with the prior art, the utility model provides a pair of rotary device with angle modulation locking has following advantage:

1. the upper top cover is connected with an external using device and the limiting ejector pin is inserted into the pin hole, so that the working efficiency is improved, the device is small in size, and the space is saved;

2. the device is characterized in that the upper top cover and the lower base cover are arranged together and rotate mutually, the mechanism is relatively simple, the position can be adjusted within 360 degrees in the horizontal plane according to the requirement of a user, the position conversion efficiency is obvious, the number of formed mechanical structure parts is small, and the maintenance cost is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an external shape of a rotating device with an angle adjusting lock according to the present invention;

fig. 2 is a partial cross-sectional view of a rotating device with an angle adjustment lock according to the present invention;

fig. 3 is an internal structural schematic diagram of a rotating device with an angle adjusting lock according to the present invention.

Reference numerals and component parts description referred to in the drawings:

1. a central shaft; 11. a limiting slide rail; 12. a bearing runner; 13. a bearing; 14. a T-shaped bracket; 15. a limit knock pin; 16. a push block chute; 18. a cotter pin; 19. a return torsion spring;

2. a top cover is arranged; 21. a pin hole; 22. connecting the ear holes;

3. a push block; 31. a boss; 32. a stopper; 33. a movable limiting block;

4. a lower base; 41. and (4) a notch.

Detailed Description

The technical solution of the present invention will be described clearly and completely through the following detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the device comprises an upper top cover 2, a lower base 4, a push block 3 and a rotary positioning assembly, wherein the upper top cover 2 and the lower base 4 are inserted through a cotter pin 18 on a central shaft 1, and the push block 3 pushes the rotary positioning assembly to rotate between the upper top cover 2 and the lower base 4 by taking the central shaft 1 as an axis.

The inner bottom surface of the lower base 4 is provided with 2T-shaped supports 14, a strip-shaped push block sliding groove 16 and a central shaft 1, the central shaft 1 is arranged at the central position of the lower base 4, the top ends of the T-shaped supports 14 are of hollow circular structures, and the T-shaped supports are symmetrically arranged by taking the central shaft 1 as a symmetric center. A notch 41 is arranged on the circumference of the lower base 4, the outer end part of the push block sliding groove 16 is arranged at the notch 41, and the top end of the central shaft 1 is lower than the top end of the upper top cover 2, so that the upper top cover 2 and an external using device can be conveniently installed.

Go up the central point of top cap 2 and put the undercut and be equipped with a fixed slot, the top of center pin 1 is less than the top setting of fixed slot, the fixed slot bottom is equipped with the recess, the stepped shaft structure sliding connection on recess and 4 tops of lower base, center pin 1 is worn out from the recess central point of top, cotter 18 pegs graft in the top department of center pin 1 and with the recess butt at the top of last top cap 2 in order to realize top cap, the rotational positioning subassembly, lower base fixed connection. The upper top cover 2 rotates around the central shaft 1 at any angle, and the size of an included angle between the adjacent pin holes 21 can be adjusted according to the precision required by actual rotation. The side surface of the upper top cover 2 is provided with pin holes 21 which are uniformly distributed on the circumference, the pin holes 21 are inserted with the limit top pin 15 of the rotary positioning component, the top position of the outer circumference of the upper top cover 2 is uniformly distributed with at least 3 connecting lug holes 22, and the connecting lug holes 22 are connected with an external using device.

The rotary positioning assembly comprises a limiting slide rail 11, a limiting top pin 15 and a T-shaped support 14 which are sequentially connected, the limiting slide rail 11 is sleeved on the central shaft 1, and a reset torsion spring 19 is arranged between the limiting slide rail 11 and the central shaft 1 in a pressing mode. The surface of the limiting slide rail 11 is provided with symmetrical bearing slide grooves 12 by taking the central shaft 1 as a symmetrical center, one end of a limiting top pin 15 penetrates through the top end of the T-shaped support 14, and the other end of the limiting top pin 15 is in sliding connection with the bearing slide grooves 12 through a bearing 13. The top end axis of the T-shaped support 14 is vertical to the axis of the bearing 13 in spatial position, the reset torsion spring 19 is compressed when the pushing block 3 pushes the limit sliding rail 11, rotation power is provided for the rotation positioning assembly, the limit ejector pin 15 is pulled out from the pin hole 21 of the upper ejection cover 2 at the moment, the reset torsion spring 19 automatically resets when the pushing block 3 is loosened, and the limit ejector pin 15 is inserted into the pin hole 21 and locked.

The push block 3 is embedded in the notch 41 and slides along the axial direction of the push block sliding groove 16, and the length of the push block 3 is larger than that of the push block sliding groove 16. The one end department that ejector pad 3 is located the lower base 4 outside is equipped with a boss 31, the surface of boss 31 is equipped with flexible gasket, the inboard one end department of base is equipped with a perpendicular tail wing's dog 32 under ejector pad 3 is located, dog 32 and spacing slide rail 11's lateral wall butt, still be equipped with the activity stopper 33 of interior concavity on the ejector pad spout 16, ejector pad 3 inlays the interior concavity of putting at activity stopper 33, activity stopper 33 is connected with lower base 4 for restrict the slip direction of ejector pad 3 in ejector pad spout 16.

A rotating device with angle adjustment locking is characterized in that an upper top cover 2 is fixed on an external using device through at least 3 connecting lug holes 22, a push block 3 slides in a push block sliding groove 16 through a notch 41 on the circumferential wall of a lower base 4, the end of a stop block 32 of the push block 3 pushes the side wall of a limit sliding rail 11 to enable the limit sliding rail 11 to rotate around a central shaft 1, a compression force is provided for a reset torsion spring 19, the limit sliding rail 11 rotates and simultaneously drives a bearing 13 to slide in a bearing sliding groove 12 of the limit sliding rail 11 so as to drive a limit top pin 15 to horizontally move towards the center direction of a lower base in a T-shaped bracket 14, when the limit top pin 15 moves out of a pin hole 21, the upper top cover 2 can rotate in an optional circumferential direction at the moment, the rotation is stopped after the limit top pin rotates to a required angle, the push block 3 is released, and at the time, the reset torsion, at the moment, the limit ejector pin 15 horizontally moves towards the outer direction of the lower base 4 and then is inserted into the pin hole 21 for locking, so that the functions of rotation adjustment and locking of the device are realized.

The utility model provides a rotary device with angle adjustment locking has the manual ejector pad and promotes the rotation of spacing slide rail, is convenient for rotatory operation, and the upper header is connected with the external use device to and the grafting of spacing knock pin and pinhole, improved work efficiency, this device is small, has saved the space; the device is characterized in that the upper top cover and the lower base cover are arranged together and rotate mutually, the mechanism is relatively simple, the position can be adjusted within 360 degrees in the horizontal plane according to the requirement of a user, the position conversion efficiency is obvious, the number of formed mechanical structure parts is small, and the maintenance cost is low.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. A rotary device with angle adjustment locking characterized in that: the upper top cover is provided with pin holes which are uniformly distributed in a circumferential direction, the two ends of the rotary positioning assembly are provided with limit ejector pins, the upper top cover rotates relative to the lower base by taking the central shaft as the axis to adjust the angle, and the limit ejector pins are inserted into the pin holes to lock the upper top cover.

2. A rotary device having an angle adjustment lock as claimed in claim 1, wherein: the rotational positioning subassembly still includes spacing slide rail and T type support, spacing slide rail cover is established on the center pin, and with the pressure is equipped with reset torsion spring between the center pin, the surface of spacing slide rail with the center pin sets up the bearing spout of symmetry as the center of symmetry, the one end department of spacing knock pin wears to establish the top department of T type support, the other end department of spacing knock pin through the bearing with bearing spout sliding connection, the top axis of T type support with the axis of bearing is perpendicular on spatial position.

3. A rotary device having an angle adjustment lock as claimed in claim 2, wherein: the quantity of T type support is 2 to with the center pin sets up as the center of symmetry on the base down, still be equipped with the ejector pad spout and a breach of a rectangular shape on the base down, the breach sets up on the circumference of base down, the ejector pad inlays to be established in the breach and follow the endwise slip of ejector pad spout, the top center line of T type support with the transverse axis of ejector pad spout is perpendicular.

4. A rotary device having an angle adjustment lock as claimed in claim 3, wherein: the push block is characterized in that a boss is arranged at one end, located on the outer side of the lower base, of the push block, a vertical tail wing-shaped stop dog is arranged at one end, located on the inner side of the lower base, of the push block, the stop dog is abutted to the side face of the limiting slide rail, an inwards concave movable limiting block is further arranged on the push block slide groove, and the push block is embedded in the inwards concave part of the movable limiting block and slides along the axial direction of the push block slide groove.

5. A rotary device having an angle adjustment lock as claimed in claim 4, wherein: the outer surface of the boss is provided with a flexible gasket, and the length of the push block is greater than that of the push block sliding groove.

6. A rotation device with angle adjustment lock according to any one of claims 1 to 5, wherein: the center position department of going up the top cap is sunken downwards and is equipped with a fixed slot, the top of center pin is less than the top setting of fixed slot, the top department of center pin is provided with a split pin, the split pin with the tank bottom butt of fixed slot is in order to realize going up top cap, rotational positioning subassembly, lower base fixed connection.

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