CN202441746U

CN202441746U - Double-external-thread pentagonal prism telescopic pore-penetrating coupling

Info

Publication number: CN202441746U
Application number: CN2012200567973U
Authority: CN
Inventors: 张意立
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-13
Filing date: 2012-02-13
Publication date: 2012-09-19
Anticipated expiration: 2022-02-13

Abstract

The utility model provides a double-external-thread pentagonal prism telescopic pore-penetrating coupling. An external pentagonal bar at the inner end of an input coupling shaft is in telescopic sliding match with an inner pentagonal hole at the inner end of an output coupling shaft; as an improvement, an input shaft square groove is arranged at the outer end of the input coupling shaft; input shaft pin holes are formed on two side planes of the input shaft square groove; the two side planes of the input shaft square groove are in sliding match with two opposing planes of an input square block; the other two opposing planes of the input square block are in sliding match with two side planes of the input end square groove of an input external thread joint; the input square block penetrates through the input shaft pin hole and an input end pin hole in sliding match with the input shaft pin and is subsequently fixed in the input square block pin hole; an output shaft square groove is formed at the outer end of the output coupling shaft; output shaft pin holes are formed on two side planes of the output shaft square groove; the two side planes of the output shaft square groove are in sliding match with two opposing planes of the output square block; the other two opposing planes of the output square block are in sliding match with two side planes of the output end square groove of an input external thread joint; and the output square block penetrates the output shaft pin hole and the output end pin hole in sliding match with the output axis pin and is subsequently fixed in the output square block pin hole.

Description

A kind of pair of flexible pinking coupling of outside thread pentagonal prism

Technical field

The utility model belongs to a kind of coupling of conveying rotary motion, particularly a kind ofly can pass through aperture, and flexible again can also adapt to the transmitting torque coupling of small deflection, specifically is meant a kind of pair of outside thread pentagonal prism pinking coupling that stretches.

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, axially long very difficult accurately control.At present on the market, and all do not seen a kind of desirablely on the relevant scientific and technological magazine, and can pass through aperture, flexible again simultaneously can also adapt to the relevant report of the rotation coupling of small deflection.

Summary of the invention

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

To achieve these goals; The utility model adopts following technological scheme: a kind of pair of flexible pinking coupling of outside thread pentagonal prism; The inner outer five ribs rod of input joining shaft and output joining shaft inner interior five the rib hole is scalable is slidingly matched; As improvement: there is the input shaft square groove described input joining shaft outer end, and there is the input shaft pin-and-hole input shaft square groove bi-side, and input shaft square groove bi-side are being slidingly matched and are importing two opposites of square; The input end square groove bi-side that in addition two opposites of input square are being slidingly matched and imports male connection are slidingly matched to pass to be fixed on behind input shaft pin-and-hole and the input end pin-and-hole with the input pivot pin respectively and import in the square pin-and-hole; There is the output shaft square groove described output joining shaft outer end; There is the output shaft pin-and-hole output shaft square groove bi-side; Output shaft square groove bi-side are being slidingly matched and are exporting two opposites of square; The output terminal square groove bi-side that in addition two opposites of output square are being slidingly matched and exports male connection are slidingly matched to pass to be fixed on behind output shaft pin-and-hole and the output terminal pin-and-hole with the output pivot pin respectively and export in the square pin-and-hole.

As further improvement: described input square integral body presents square body; There are four input square pin-and-holes vertically to be positioned at the center on self plane respectively; The shaft axis of four input square pin-and-holes is in the same plane, and six seamed edges of input square all have input square chamfering; Described output square integral body presents square body, has output square pin-and-hole vertically to be positioned at the center on self plane respectively, and the shaft axiss of four output square pin-and-holes are in the same plane, and six seamed edges of output square all have output square chamfering.

As further improvement: an end of described output male connection has the output terminal square groove identical with output shaft square groove geomery, and the other end has the output outside thread; One end of described input male connection has the input end square groove identical with input shaft square groove geomery, and the other end has the input outside thread.

The beneficial effect of the utility model is: realized a kind ofly can passing through aperture, flexible again simultaneously can also adapt to the transmitting torque coupling 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 an A-A sectional drawing among Fig. 2;

C-C sectional drawing among Fig. 5 Fig. 2;

Fig. 6 is that the utility model uses the partial view that is;

Fig. 7 is the stereogram of output square 20;

Fig. 8 is the stereogram of input square 60;

Fig. 9 is the stereogram of input joining shaft 50;

Figure 10 is output joining shaft 30 stereograms;

Figure 11 is the stereogram of output male connection 10;

Figure 12 is the stereogram of input male connection 70.

Embodiment

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

A kind of pair of flexible pinking coupling of outside thread pentagonal prism; Import outer five ribs rod 53 of joining shaft 50 the inners and interior five rib holes 35 scalable being slidingly matched of output joining shaft 30 the inners; As improvement: there is input shaft square groove 56 described input joining shaft 50 outer ends; There is input shaft pin-and-hole 57 input shaft square groove 56 bi-side; Input shaft square groove 56 bi-side are being slidingly matched and are importing two opposites of square 60, and input end square groove 76 bi-side that in addition two opposites of input square 60 are being slidingly matched and imports male connection 70 are slidingly matched to pass to be fixed on behind input shaft pin-and-hole 57 and the input end pin-and-hole 75 with input pivot pin 66 respectively and import in the square pin-and-hole 64; There is output shaft square groove 32 described output joining shaft 30 outer ends; There is output shaft pin-and-hole 31 output shaft square groove 32 bi-side; Output shaft square groove 32 bi-side are being slidingly matched and are exporting two opposites of square 20; Output terminal square groove 12 bi-side that in addition two opposites of output square 20 are being slidingly matched and exports male connection 10 are slidingly matched to pass to be fixed on behind output shaft pin-and-hole 31 and the output terminal pin-and-hole 13 with output pivot pin 22 respectively and export in the square pin-and-hole 24.

As further improvement: described input square 60 integral body present square body; There are four input square pin-and-holes 64 vertically to be positioned at the center on self plane respectively; The shaft axis of four input square pin-and-holes 64 is in the same plane, and six seamed edges of input square 60 all have input square chamfering 62; Described output square 20 integral body present square body, have output square pin-and-hole 24 vertically to be positioned at the center on self plane respectively, and the shaft axiss of four output square pin-and-holes 24 are in the same plane, and six seamed edges of output square 20 all have output square chamfering 26.

As further improvement: an end of described output male connection 10 has output terminal square groove 12 identical with output shaft square groove 32 geomeries, and the other end has output outside thread 11; One end of described input male connection 70 has input end square groove 72 identical with input shaft square groove 56 geomeries, and the other end has input outside thread 77.

Structure explanation: see Fig. 1, Fig. 2:

Embodiment adopts: output joining shaft 30 total lengths are 120 millimeters, and self maximum outside diameter is less than 20 millimeters, and the degree of depth in inner interior five rib holes 35 is 80 millimeters.The bi-side distance of the output shaft square groove 32 of outer end is 12 millimeters, and the degree of depth of output shaft square groove 32 is 14 millimeters.

Embodiment adopts: input joining shaft 50 total lengths are 120 millimeters, and self maximum outside diameter is less than 20 millimeters, and the length of inner outer five ribs rod 53 is 80 millimeters.The bi-side distance of the input shaft square groove 56 of outer end is 12 millimeters, and the degree of depth of input shaft square groove 56 is 14 millimeters.Between the two adjacent outer five ribs rods 53 chamfer angle 55 is arranged, be convenient to and the assembling that is slidingly matched of interior five rib holes 35.

Embodiment adopts: the diameter of output square pin-and-hole 24 is 4 millimeters, and the length of side of output square 20 is 12 millimeters.

The input square 60 that embodiment adopts is identical with output square 20 geomeries.

Embodiment adopts: output male connection 10 total lengths are 40 millimeters; Self maximum outside diameter is less than 20 millimeters; The output terminal square groove 12 of one end is identical with output shaft square groove 32 geomeries of output joining shaft 30; Be connected on the output square pin-and-hole 24 of output square 20 through exporting four output pivot pin 22 dislocation respectively, and can adapt to the small deflection transmitting torque around 22 rotations of output pivot pin.The output outside thread of the other end is M12.

Embodiment adopts: input male connection 70 total lengths are 40 millimeters; Self maximum outside diameter is less than 20 millimeters; The input end square groove 72 of one end is identical with input shaft square groove 56 geomeries of input joining shaft 50; Be connected on the input square 60 through exporting four input pivot pin 66 dislocation respectively, and can adapt to the small deflection transmitting torque around 66 rotations of input pivot pin.The input outside thread of the other end is M12.

Working principle is seen Fig. 4:

Pass through the elongated clearance hole 44 of the thick and heavy divider wall 40 that width do not wait for needs; Earlier input joining shaft among Fig. 1, Fig. 2 50 and output joining shaft 30 are separated; The input outside thread 77 that to import male connection 70 respectively is fixedly attached to rotating power source; The output outside thread 11 of output male connection 10 is fixedly attached on the application apparatus; Both sides from thick and heavy divider wall 40 are inserted into interior five rib holes, 35 1 ends and outer five ribs rod 53 1 ends the elongated clearance hole 44 respectively then, five rib holes 35 and outer five ribs rod, 53 scalable being slidingly matched in making, but just normal use work.

Claims

1. flexible pinking coupling of two outside thread pentagonal prisms; Outer five ribs rods (53) interior five rib holes (35) scalable be slidingly matched inner that input joining shaft (50) is inner with output joining shaft (30); It is characterized in that: there is input shaft square groove (56) described input joining shaft (50) outer end; There is input shaft pin-and-hole (57) input shaft square groove (56) bi-side; Be slidingly matched two opposites of input square (60), input shaft square groove (56) bi-side; Be slidingly matched input end square groove (76) bi-side of input male connection (70), in addition two opposites of input square (60) are slidingly matched to pass to be fixed on behind input shaft pin-and-hole (57) and the input end pin-and-hole (75) with input pivot pin (66) respectively and import in the square pin-and-hole (64); There is output shaft square groove (32) described output joining shaft (30) outer end; There is output shaft pin-and-hole (31) output shaft square groove (32) bi-side; Be slidingly matched two opposites of output square (20), output shaft square groove (32) bi-side; Be slidingly matched output terminal square groove (12) bi-side of output male connection (10), in addition two opposites of output square (20) are slidingly matched to pass to be fixed on behind output shaft pin-and-hole (31) and the output terminal pin-and-hole (13) with output pivot pin (22) respectively and export in the square pin-and-hole (24).

2. a kind of pair of outside thread pentagonal prism according to claim 1 pinking coupling that stretches; It is characterized in that: described input square (60) integral body presents square body; There are four input square pin-and-holes (64) vertically to be positioned at the center on self plane respectively; The shaft axis of four input square pin-and-holes (64) is in the same plane, and six seamed edges of input square (60) all have input square chamfering (62); Described output square (20) integral body presents square body; There is output square pin-and-hole (24) vertically to be positioned at the center on self plane respectively; The shaft axis of four output square pin-and-holes (24) is in the same plane, and six seamed edges of output square (20) all have output square chamfering (26).

3. a kind of pair of outside thread pentagonal prism according to claim 1 pinking coupling that stretches; It is characterized in that: an end of described output male connection (10) has output terminal square groove (12) identical with output shaft square groove (32) geomery, and the other end has output outside thread (11); One end of described input male connection (70) has input end square groove (72) identical with input shaft square groove (56) geomery, and the other end has input outside thread (77).