CN202597512U

CN202597512U - Quadrangular-hole bead positioning flange internal-thread universal joint

Info

Publication number: CN202597512U
Application number: CN 201220274485
Authority: CN
Inventors: 张意立
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-03
Filing date: 2012-06-03
Publication date: 2012-12-12
Anticipated expiration: 2022-06-03

Abstract

The utility model aims at providing a quadrangular-hole bead positioning flange internal-thread universal joint. An external quadrangular connecting shaft is in telescopic match with an internal quadrangular hole connecting shaft; the outer end of the external quadrangular connecting shaft is connected with an input flange joint through a cube cross block in a cruciform joint manner; and the outer end of the internal quadrangular hole connecting shaft is connected with an output internal thread joint through another cube cross block in a cruciform joint manner. The quadrangular-hole bead positioning flange internal-thread universal joint is characterized in that a quadrangular face of the internal quadrangular hole connecting shaft is provided with a row of small semi-circular holes; an internal quadrangular hole face of the internal quadrangular hole connecting shaft is provided with a bead hole, and the inner end of the bead hole is provided with a hole stopping edge ring; and the outer end of the bead hole is provided with a bead hole choke plug, one end, in the bead hole, of a small spring is adhered to the bead hole choke plug, and the other end of the small spring is abutted against a small bead.

Description

A kind of quadrangular hole circle pearl locating flange internal thread universal joint

Technical field

The utility model belongs to a kind of universal joint of transferring rotational motion, particularly a kind ofly can pass through aperture, and flexible again can also adapt to the transmitting torque universal joint of small deflection, specifically is meant a kind of quadrangular hole circle pearl locating flange internal thread universal joint.

Background technique

Have high-risk special dimensions such as radiation, high temperature and poison gas to some at transmitting torque, in order to accomplish good isolation, the outer buttons rotatory force can only be through elongated aperture input, and axial length is difficult to accurately control.At present on the market, and all do not seen on the relevant scientific and technological magazine and a kind ofly desirable can pass through aperture, flexible again can also adapt to the universal joint that the small deflection moment of torsion transmits.

Summary of the invention

The purpose of the utility model provides a kind ofly can pass through aperture; Flexible again; Can also adapt to the universal joint that the small deflection moment of torsion transmits, under the good isolation outer buttons rotatory force is input to some through elongated aperture and have in the high-risk special dimensions such as radiation, high temperature and poison gas so that can be useful in.

To achieve these goals; The utility model adopts following technological scheme: a kind of quadrangular hole circle pearl locating flange internal thread universal joint; Outer quadrangular coupling shaft cooperates with interior four rib hole coupling shafts are flexible, and the outer end of described outer quadrangular coupling shaft is connected with the cross shaped joint form with the input flange joint through a square body cross piece; The outer end of four rib hole coupling shafts is connected with the cross shaped joint form through screw joint in another square body cross piece and the output in described, as improvement: have one to arrange the smaller part circular hole in described on the quadrangular face of four rib hole coupling shafts; On the interior four rib hole faces of four rib hole coupling shafts a ball hole is arranged in described, and inner end, described ball hole there is seam edge circle; Described ball outer end of hole has hole of bead plug, and little spring end in the ball hole is pasting hole of bead plug, and the other end heads on little ball.

The beneficial effect of the utility model is: adopt that outer quadrangular coupling shaft and interior four rib hole coupling shafts are flexible to be cooperated, head on little ball through the little spring in ball hole on the row of one on quadrangular face smaller part circular hole and the interior four rib hole faces and contact the completion locating function of stretching with smaller part circular hole elastic force.Two square body cross pieces play the universal joint effect, have realized a kind ofly can passing through aperture that flexible again can also adapt to the transmitting torque universal joint of small deflection.The utility model is novel, and structure is unique, makes simple, easy to use.

Description of drawings

Fig. 1 is the part sectioned view of the utility model elongation state;

Fig. 2 is the part sectioned view that the utility model shortens state;

Fig. 3 is a B-B sectional drawing among Fig. 2;

Fig. 4 is the local amplification profile at little spring 88 and roundlet pearl 80 positions of living among Fig. 3;

Sectional drawing when Fig. 5 is the utility model user mode;

Fig. 6 is the stereogram of outer quadrangular coupling shaft 50;

Fig. 7 is interior four rib hole coupling shaft 30 stereograms;

Fig. 8 is the stereogram of square body cross piece 20;

Fig. 9 is an A-A sectional drawing among Fig. 2;

Figure 10 is a C-C sectional drawing among Fig. 2.

Embodiment

In conjunction with accompanying drawing and embodiment, further structure and the working principle to the utility model elaborates:

A kind of quadrangular hole circle pearl locating flange internal thread universal joint; Outer quadrangular coupling shaft 50 and interior 30 flexible cooperations of four rib hole coupling shafts, the outer end of described outer quadrangular coupling shaft 50 is connected with the cross shaped joint form with input flange joint 70 through a square body cross piece 20; The outer end of four rib hole coupling shafts 30 is connected with the cross shaped joint form through the interior screw joint 10 of another square body cross piece 20 and output in described, it is characterized in that: row's smaller part circular hole 58 is arranged on the quadrangular face 53 of four rib hole coupling shafts 30 in described; On the interior four rib hole faces 35 of four rib hole coupling shafts 30 a ball hole 38 is arranged in described, and 38 inner ends, described ball hole there is seam edge circle 37; There is hole of bead plug 39 38 outer ends, described ball hole, and little spring 88 end in ball hole 38 is pasting hole of bead plug 39, and the other end heads on roundlet pearl 80.

Among the embodiment:

There is the axis of a cylinder square groove 56 that is symmetrical in self shaft axis the outer end of described outer quadrangular coupling shaft 50, and all there is the axis of a cylinder slotted eye 57 perpendicular to self shaft axis axis of a cylinder square groove 56 both sides; There is the hole axle square groove 32 that is symmetrical in self shaft axis coupling shaft 30 outer ends, four rib holes in described, and all there is the axial trough hole, hole 31 perpendicular to self shaft axis axle square groove 32 both sides, hole; The be slidingly matched output square groove bi-side of screw joint 10 in the output of the be slidingly matched bi-side of square body cross piece 20, axle square groove 32 bi-side, described hole, the bi-side in addition of square body cross piece 20; The be slidingly matched input square groove bi-side of input flange joint 70 of the be slidingly matched bi-side of square body cross piece 20, described axis of a cylinder square groove 56 bi-side, the bi-side in addition of square body cross piece 20.

The interior four rib hole faces 35 of four rib hole coupling shaft 30 1 ends are slidingly matched with the outer quadrangular face 53 of outer quadrangular coupling shaft 50 1 ends in described; And between the two adjacent outer quadrangular faces 53 chamfer angle 55 is arranged, and the width of four rib hole faces 35 all is 1/10th of its length in four; The width of four outer quadrangular faces 53 all is 1/10th of its length.

An end of screw joint 10 has the output square groove identical with hole axle square groove 32 geomeries in the described output, and the other end has output internal thread 11.

One end of described input flange joint 70 has the input square groove identical with axis of a cylinder square groove 56 geomeries, and the other end has flange hole plane 77.

Working principle is seen Fig. 1, Fig. 2 and Fig. 5:

Pass through the elongated clearance hole 44 of the thick and heavy divider wall 40 that width do not wait for needs; Earlier outer quadrangular coupling shaft 50 is separated with interior four rib hole coupling shafts 30; Flange hole plane 77 with input flange joint 70 is fixedly attached to rotating power source respectively; The output internal thread 11 of screw joint 10 is fixedly attached on the application apparatus in the output; Respectively interior four rib hole face 35 1 ends and outer quadrangular face 53 1 ends are inserted into the elongated clearance hole 44 from the both sides of thick and heavy divider wall 40 then, four rib hole faces 35 and outer quadrangular face 53 scalable being slidingly matched in making, but with regard to proper functioning.

The structure explanation:

Fig. 1, Fig. 2, the output square groove of screw joint 10 is identical with hole axle square groove 32 geomeries of interior four rib hole coupling shafts 30 in the output, be connected on the square body cross piece 20 through exporting 22 dislocation of four connecting pins respectively, and can be around connecting pin 22 rotations.

The input square groove of input flange joint 70 is identical with axis of a cylinder square groove 56 geomeries of outer quadrangular coupling shaft 50, is connected on the square body cross piece 20 through exporting 22 dislocation of four connecting pins respectively, and can be around connecting pin 22 rotations.

The universal joint effect is played in 20 synergy of identical two the square body cross pieces of geomery, makes the utility model can also adapt to the rotation shaft coupling of small deflection.

Among Fig. 3, Fig. 4, Fig. 6, Fig. 7, row's smaller part circular hole 58 is arranged on the quadrangular face 53 of described interior four rib hole coupling shafts 30; On the interior four rib hole faces 35 of four rib hole coupling shafts 30 a ball hole 38 is arranged in described, and 38 inner ends, described ball hole there is seam edge circle 37; There is hole of bead plug 39 38 outer ends, described ball hole, and little spring 88 end in ball hole 38 is pasting hole of bead plug 39, and the other end heads on roundlet pearl 80.The effect of seam edge circle 37 is to guarantee roundlet pearl 80 under the thrust of little spring 88, and four rib hole faces 35 are outer in protruding falls into among the smaller part circular hole 58, but can not drop out interior four rib hole faces 35.

Among Fig. 8, described square body cross piece 20 has four shaft axis places square attachment hole 24 at grade.Six seamed edges of square body cross piece 20 all have bevel edge 26, and the diameter of square attachment hole 24 is 3 millimeters, and the length of side of square body cross piece 20 is 10 millimeters.

Among Fig. 9; Be on two orthogonal straight lines at four described square attachment holes 24; The inner of four connecting

pins

22 and 24 rotatable cooperations of square attachment hole; Be in axial trough hole, hole 31 secure fit on the hole axle square groove 32 of outer end and interior four rib hole coupling shafts 30 of two connecting pins 22 on the same straight line, output slotted eye secure fit on the output square groove of screw joint 10 in the outer end that is in two connecting pins 22 on another straight line and the output.

Among Figure 10; Be on two orthogonal straight lines at four described square attachment holes 24; The inner of four connecting

pins

22 and 24 rotatable cooperations of square attachment hole; Be in the outer end of two connecting pins 22 on the same straight line and axis of a cylinder square groove 56 upper prop axial trough holes 57 secure fit of outer quadrangular coupling shaft 50, be on the input square groove of outer end and input flange joint 70 of two connecting pins 22 on another straight line and import the slotted eye secure fit.

Claims

1. quadrangular hole circle pearl locating flange internal thread universal joint; Outer quadrangular coupling shaft (50) cooperates with interior four rib hole coupling shafts (30) are flexible, and the outer end of described outer quadrangular coupling shaft (50) is connected with the cross shaped joint form with input flange joint (70) through a square body cross piece (20); The outer end of four rib hole coupling shafts (30) is connected with the cross shaped joint form through the interior screw joint (10) of another square body cross piece (20) and output in described, it is characterized in that: row's smaller part circular hole (58) is arranged on the quadrangular face (53) of four rib hole coupling shafts (30) in described; On the interior four rib hole faces (35) of four rib hole coupling shafts (30) a ball hole (38) is arranged in described, and inner end, described ball hole (38) there is seam edge circle (37); There is hole of bead plug (39) outer end, described ball hole (38), and little spring (88) end in ball hole (38) is pasting hole of bead plug (39), and the other end heads on little ball (80).