CN218817377U - Cam rises back locking mechanism - Google Patents

Abstract

The utility model provides a cam rises back locking mechanism relates to locking technical field, including supplementary seat, the inboard rotation of supplementary seat is connected with the drive shaft, and the surface of drive shaft is provided with big cam, and the upper surface of big cam is provided with the clamp plate, and the front end of clamp plate runs through and has seted up the circular slot, and the inboard of circular slot is provided with center pin and supplementary roller bearing, and the surface of center pin is equipped with little cam. The utility model discloses, through having set up supplementary seat, drive shaft, big cam, clamp plate, center pin, little cam, can realize the driving function to big cam through supplementary seat, drive shaft to through the clamp plate, inject to the position of big cam, through the rotation of big cam and center pin, little cam, supplementary roller bearing cooperation, reach the application of force function to little cam, drive about the clamp plate function and locking, this kind of structural support performance is stable, locking capacity is strong, can accomplish at any time the locking at the lift in-process.

Description

Cam rises back locking mechanism

Technical Field

The utility model relates to a locking mechanism technical field especially relates to a cam rises back locking mechanism.

Background

Locking mechanism, be one kind through stop mechanism cylinder, motor lead screw module etc. and reach the locking function to the mechanism, in locking mechanism's in-service use, the ubiquitous mechanism rises the back, and stability is not enough, can not bear too big load, and the speed is slow or take place the problem of displacement, causes the influence to locking mechanism's stability, needs to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cam lifting rear locking mechanism.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a cam rises back locking mechanism, includes supplementary seat, the inboard of supplementary seat is rotated and is connected with the drive shaft, the surface of drive shaft is provided with big cam, the upper surface of big cam is provided with the clamp plate, the front end of clamp plate is run through and has been seted up the circular slot, the inboard of circular slot is provided with center pin and supplementary roller bearing, little cam is equipped with to the surface of center pin, the front end of big cam is run through and has been seted up the driving groove, the driving groove is the hexagon with the shape of drive shaft, the drive shaft is laminated with the inner wall in driving groove mutually, the upper surface of supplementary seat is equipped with driving motor, driving motor passes through caterpillar drive with the drive shaft and is connected.

In order to realize the position to big cam and prescribe a limit to the function, the utility model discloses an improvement has, the clamp plate sets up the surface front and back end at big cam, be equipped with the connecting axle between the clamp plate.

Further inject in order to go on the rotation orbit to the center pin, the utility model discloses an improvement has, the center pin is laminated with supplementary roller bearing mutually, be the equidistant distribution of circumference between the supplementary roller bearing, supplementary roller bearing laminates with the inner wall of circular slot mutually.

In order to realize big cam to the altitude mixture control function of cam, the utility model discloses an improvement has, be symmetric distribution between the cam, the cam is laminated with big cam mutually.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses, through having set up supplementary seat, drive shaft, big cam, clamp plate, center pin, little cam, can realize the driving function to big cam through supplementary seat, drive shaft to through the clamp plate, inject to the position of big cam, through the rotation of big cam and center pin, little cam, supplementary roller bearing cooperation, reach the application of force function to little cam, drive about the clamp plate function and locking, this kind of structural support performance is stable, locking capacity is strong, can accomplish at any time the locking at the lift in-process.

Drawings

Fig. 1 is a schematic view of the overall components of a locking mechanism after the cam is lifted according to the present invention;

fig. 2 is the utility model provides a big cam, little cam structure sketch of locking mechanism after the cam rises.

Illustration of the drawings:

1. an auxiliary seat; 2. a drive shaft; 3. a large cam; 4. pressing a plate; 5. a central shaft; 6. a small cam; 7. an auxiliary roller; 8. a drive slot; 9. the motor is driven.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Example one

Referring to fig. 1-2, the present invention provides a technical solution: a cam after-rise locking mechanism comprises an auxiliary seat 1, wherein a driving shaft 2 is rotatably connected to the inner side of the auxiliary seat 1, a large cam 3 is arranged on the outer surface of the driving shaft 2, a pressing plate 4 is arranged on the upper surface of the large cam 3, the pressing plate 4 is arranged at the front end and the rear end of the outer surface of the large cam 3, a connecting shaft is arranged between the pressing plates 4, the design aims to construct a connecting structure of two groups of pressing plates 4 and limit the position of the large cam 3 through the structure of the pressing plates 4, a circular groove is formed in the front end of the pressing plate 4 in a penetrating mode, a central shaft 5 and an auxiliary rolling shaft 7 are arranged on the inner side of the circular groove, a small cam 6 is arranged on the outer surface of the central shaft 5, the central shaft 5 is attached to the auxiliary rolling shaft 7, the auxiliary rolling shaft 7 is distributed at equal intervals in the circumference, the auxiliary rolling shaft 7 is attached to the inner wall of the circular groove, and the design is realized through the rotation of the auxiliary rolling shaft 7, the rotation track of the central shaft 5 is limited, the central shaft 5 and the small cams 6 rotate more smoothly, the small cams 6 are symmetrically distributed, the small cams 6 are attached to the large cams 3, the front ends of the large cams 3 are provided with driving grooves 8 in a penetrating mode, the driving grooves 8 and the driving shafts 2 are hexagonal, the driving shafts 2 are attached to the inner walls of the driving grooves 8, the driving motors 9 are mounted on the upper surfaces of the auxiliary seats 1, the driving motors 9 are connected with the driving shafts 2 through crawler belt transmission, the crawler belts are driven to operate through the operation of the driving motors 9, the driving effect on the driving shafts 2 is achieved, the driving shafts 2 and the driving grooves 8 are arranged in a shape, the driving shafts 2 rotate to drive the large cams 3 to rotate along the centers of the driving shafts 2 to serve as circle centers, the eccentric circle effect is achieved, the small cams 6 are driven to rotate, and finally the height of the pressing plates 4 is adjusted, when 9 stop operation of driving motor, the automatic locking of little cam 6, this kind of structural support stable performance, the locking ability reinforce can accomplish at any time the locking at the lift in-process.

The working principle is as follows: through clamp plate 4 self structure, position to big cam 3 is injectd, rotation through supplementary roller bearing 7, the rotation orbit to center pin 5 is injectd, and make the rotation of center pin 5 and little cam 6 more smooth, the function through driving motor 9 drives the track and operates, and reach the drive effect to drive shaft 2 with this, shape setting through drive shaft 2 and drive groove 8, make the rotation of drive shaft 2, can drive big cam 3 and regard as centre of a circle rotation along drive shaft 2 center, reach the eccentric circle effect, it is rotatory to drive little cam 6, finally adjust the height of clamp plate 4, when driving motor 9 stops the operation, little cam 6 automatic locking, this kind of structural support performance is stable, the locking capacity is strong, can accomplish locking at any time at the lift in-process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified to be equivalent variations by using the above-mentioned technical contents to other fields, but any simple modifications, equivalent variations and modifications made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. The utility model provides a locking mechanism after cam rises, includes auxiliary seat (1), its characterized in that: the inboard of auxiliary seat (1) is rotated and is connected with drive shaft (2), the surface of drive shaft (2) is provided with big cam (3), the upper surface of big cam (3) is provided with clamp plate (4), the front end of clamp plate (4) is run through and has been seted up the circular slot, the inboard of circular slot is provided with center pin (5) and auxiliary roller bearing (7), little cam (6) are equipped with to the surface of center pin (5), the front end of big cam (3) is run through and has been seted up drive groove (8), drive groove (8) are the hexagon with the shape of drive shaft (2), drive shaft (2) are laminated with the inner wall of drive groove (8) mutually, the upper surface of auxiliary seat (1) is equipped with driving motor (9), driving motor (9) are connected through crawler drive with drive shaft (2).

2. The mechanism of claim 1, wherein: the pressing plates (4) are arranged at the front end and the rear end of the outer surface of the large cam (3), and a connecting shaft is arranged between the pressing plates (4).

3. The mechanism of claim 1, wherein: the central shaft (5) is attached to the auxiliary rollers (7), the auxiliary rollers (7) are distributed at equal intervals in the circumferential direction, and the auxiliary rollers (7) are attached to the inner wall of the circular groove.

4. The mechanism of claim 1, wherein: the small cams (6) are symmetrically distributed, and the small cams (6) are attached to the large cam (3).

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