CN111637131B

CN111637131B - Ball type parcel formula movable nut

Info

Publication number: CN111637131B
Application number: CN202010308330.2A
Authority: CN
Inventors: 王晓军; 昌厚峰; 徐艳秋; 解永辉; 马珀; 李红远; 刘云福
Original assignee: Weifang Vocational College
Current assignee: Weifang Vocational College
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2022-01-11
Anticipated expiration: 2040-04-18
Also published as: CN111637131A

Abstract

The invention discloses a ball-type wrapped movable nut which comprises a hollow truncated ball-shaped cue ball with one side cross-sectioned by a plane, wherein a columnar bulge is arranged on the inner side of one end of the cue ball, which is far away from a section, relative to the center of the section; a truncated spherical subsphere with two opposite ends both cross-sectioned by planes is wrapped in the cue ball, hemispherical depressions are inwards arranged at the cross sections of the two sides of the subsphere, and one end of the hemispherical depression is a limiting depression and corresponds to the columnar bulge; the other end is a screw inlet, and the concave top end of the screw inlet extends towards the inside of the ball to form a columnar screw connecting channel with threads; be equipped with a plurality of card strip passageways that pierce through the spheroid on the screw connection passageway of being close to screw import sunken end relatively, have the card strip through the resilient means swing joint who corresponds the setting with the card strip in the card strip passageway, card strip length is greater than the length of card strip passageway. The nut can change the direction according to the requirement, so that the screw can be conveniently screwed in; the nut is matched with the screw to overcome the defects in the prior art, and the nut has the effects of simple structure and convenience in use.

Description

Ball type parcel formula movable nut

Technical Field

The invention belongs to the technical field of connecting devices, and particularly relates to a ball-type wrapped movable nut.

Background

The screw is generally used in present production and life as a connection accessory, but has some reasons and can lead to some deviations to appear between screw and the nut and make the screw can't be identical with the nut mouth accurately, for example when automatically controlled cabinet is installing the load accessory, can lead to the appearance of automatically controlled cabinet to take place certain deformation, and the screw can't insert in the nut effectively this moment. When the deviation is small, if the screw is screwed into the nut by force, the screw and the nut can be damaged, so that the service life of the nut is greatly reduced; when the deviation is large, the screw cannot be screwed into the nut, and when this occurs, the screw can only be replaced by re-drilling.

The existing screws and nuts sold in the market are of a single structure, and the problems cannot be solved, so that a connecting device capable of solving the problems is urgently needed to meet the market needs.

A ball type wrapping type movable nut is designed, and the problems encountered in the screw installation process are solved.

The invention content is as follows:

the technical problem to be solved by the invention is as follows: the ball-type packaging type movable nut is provided, the direction of the nut can be changed according to requirements, and a screw can be screwed into the nut from different directions; therefore, the nut is matched with the corresponding screw for use, the defects in the prior art can be overcome, and the nut has the effects of simple structure and convenience in use.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a ball-type wrapped movable nut comprises a hollow truncated ball with one side cross-sectioned by a plane, wherein a columnar bulge is arranged on the inner side of one end of the ball, which is far away from a section, relative to the center of the section; a truncated spherical subsphere with two opposite ends both cross-sectioned by planes is wrapped in the cue ball, hemispherical depressions are inwards arranged at the cross sections of the two sides of the subsphere, and one end of the hemispherical depression is a limiting depression and corresponds to the columnar bulge; the other end is a screw inlet, and the concave top end of the screw inlet extends towards the inside of the ball to form a columnar screw connecting channel with threads; be equipped with a plurality of card strip passageways that pierce through the spheroid on the screw connection passageway of being close to screw import sunken end relatively, have the card strip through the resilient means swing joint who corresponds the setting with the card strip in the card strip passageway, card strip length is greater than the length of card strip passageway.

Preferably, the inner wall of the cue ball is uniformly provided with a plurality of clamping grooves, and the clamping grooves extend from the section to the columnar protrusion. The clamping groove can play a better fixing role for the clamping strip.

Preferably, the number of the clamping strip channels is two, and the number of the corresponding clamping strips is also two.

Preferably, the clamping strip is an elliptic cylinder-shaped clamping strip, the long diameter of the clamping strip is perpendicular to the central line of the screw connection channel, the port which is positioned in the subsphere and close to the end of the screw connection channel is the inner end, the inner end is a wedge-shaped structure, the port which is close to the shell end of the mother ball is the outer end, and the outer end is an arc-shaped end. When the clamping strip is not in use, the outer end of the clamping strip is positioned in the clamping strip channel, and the inner end of the clamping strip is positioned in the screw connecting channel; when the clamping bar is used, the clamping bar is extruded outwards by the screw along the clamping bar channel, so that the arc-shaped outer end is clamped in the clamping groove of the mother ball in a very fit manner, and a fixing effect is achieved; meanwhile, the inner end is designed to be a wedge-shaped structure, so that the screw can be pushed in, and the plane of the port at the inner end cannot damage the screw on the screw after the screw is pushed in because the top end of the wedge-shaped structure is of a plane structure.

Preferably, the width of the clamping groove on the inner wall of the cue ball is matched with the width of the corresponding clamping strip. Therefore, the end part of the clamping strip can be clamped in the clamping groove, and a better fixing effect is achieved.

Preferably, the rebounding device comprises an elastic sheet groove arranged in the middle of the clamping strip channel and a triangular groove arranged on the clamping strip corresponding to the elastic sheet groove, a V-shaped elastic sheet is movably arranged between the elastic sheet groove and the triangular groove, and the V-shaped elastic sheets arranged on the two sides correspondingly form a mirror image.

Preferably, a cubic fixing block can be fixedly connected outside the cue ball body, so that an object to be installed can be conveniently provided with an installation notch.

The principle of the invention is as follows:

the structure of the sub-ball of cue ball parcel can let the sub-ball rotatory position at will, and sub-ball nut upper portion is the hemisphere sunken, and the screw can drive the sub-ball through sunken and rotate, adjusts the nut position, makes the screw can be to the nut mouth to this lets the screw can twist smoothly among the nut.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the invention, the orientation of the subsphere nut can be changed according to requirements, so that the screw can be screwed into the nut from different orientations, the damage to the nut thread is reduced, and the service life of the nut is prolonged; the nut is matched with a corresponding screw for use, so that the defects in the prior art can be overcome, and the nut has the effects of simple structure and convenience in use.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of an embodiment of the present invention;

FIG. 3 is a schematic view of a rebounding device according to an embodiment of the present invention;

FIGS. 4 and 5 are schematic views of the structure of a card strip according to an embodiment of the invention;

wherein, 1, a cue ball; 2. a columnar bulge; 3. a subsphere; 4. limiting and sinking; 5. a screw inlet; 6. the screw is connected with the channel; 7. a strip clamping channel; 8. a rebounding device; 81. a spring plate groove; 82. a triangular groove; 83. a V-shaped elastic sheet; 9. clamping the strip; 10. a clamping groove.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples:

the first embodiment is as follows:

as shown in fig. 1 to 5, a ball-wrapped movable nut comprises a hollow truncated-ball-shaped cue ball 1 with one side cross-sectioned by a plane, wherein a columnar bulge 2 is arranged on the inner side of one end of the cue ball 1 far away from the section and opposite to the center of the section; a truncated spherical subsphere 3 with two opposite ends both cross-sectioned by planes is wrapped in the cue ball 1, hemispherical depressions are inwards arranged at the cross sections at the two sides of the subsphere 3, wherein one end of the hemispherical depression is a limiting depression 4 and corresponds to the columnar bulge 2; the other end is a screw inlet 5, and the concave top end of the screw inlet 5 extends inwards to form a columnar screw connecting channel 6 with threads; be equipped with a plurality of card strip passageways 7 that pierce through the spheroid on the screw connection passageway 6 that is close to the screw import 5 sunken end relatively, have card strip 9 through the resilient means 8 swing joint who corresponds the setting with the card strip in the card strip passageway 7, card strip 9 length is greater than the length of card strip passageway 7, guarantees that card strip 9 can bulge to the external draw-in groove 10 block with on the mother's ball 1 of subsphere 3 after the screw top is gone into, fixes subsphere 3.

A plurality of clamping grooves 10 are uniformly formed in the inner wall of the mother ball 1, two ends of each clamping strip 9 are of wedge-shaped structures, wherein the end part positioned in the mother ball is an inner end, the end part positioned outside the mother ball is an outer end, and the height of the port surface of the inner end is greater than that of the port surface of the outer end; rebound device 8 is including setting up the shell fragment recess 81 at card strip 7 middle part to and the triangular groove 82 of setting on card strip 9 corresponding to shell fragment recess 81, and the activity is provided with V type shell fragment 83 in the middle of shell fragment recess 81 and the triangular groove 82, and the corresponding V type shell fragment 83 that sets up in both sides becomes the mirror image setting.

When the screw is actually used, when the screw is inserted into the screw inlet 5 on the sub-ball 3, the screw can drive the sub-ball 3 to rotate through the screw inlet 5, so that the position of the screw connecting channel 6 is adjusted, the screw can be inserted into the screw connecting channel 6 just opposite to the screw, after the screw is inserted, the clamping strip 9 is pushed open, the clamping strip 9 moves outwards and is pushed into the clamping groove 10 of the mother ball 1, and the effect of fixing the sub-ball 3 is achieved; when the screw is unscrewed, the clamping strip 9 is returned under the action of the resilient means 8. The columnar bulge 2 in the mother ball 1 and the limiting recess 4 of the son ball 3 can limit the random rotation of the son ball 3 under the combined action, so that the rotation of the son ball 3 is kept within a certain range.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. The spherical wrapping type movable nut is characterized by comprising a hollow truncated spherical cue ball with one side cross-sectioned by a plane, wherein a columnar bulge is arranged on the inner side of one end, far away from the section, of the cue ball relative to the center of the section; a truncated spherical subsphere with two opposite ends both cross-sectioned by planes is wrapped in the cue ball, hemispherical depressions are inwards arranged at the cross sections of the two sides of the subsphere, and one end of the hemispherical depression is a limiting depression and corresponds to the columnar bulge; the other end of the screw inlet is a screw inlet, and the recessed top end of the screw inlet extends towards the inside of the ball to form a columnar screw connecting channel with threads; a plurality of clamping strip channels penetrating through the sphere are oppositely arranged on the screw connecting channel close to the recessed end of the screw inlet, clamping strips are movably connected in the clamping strip channels through springback devices arranged corresponding to the clamping strips, and the length of each clamping strip is greater than that of each clamping strip channel; a plurality of clamping grooves are uniformly formed in the inner wall of the mother ball, and the clamping grooves extend from the section to the columnar protrusion;

the rebounding device comprises an elastic sheet groove arranged in the middle of the clamping strip channel and a triangular groove arranged on the clamping strip and corresponding to the elastic sheet groove, wherein a V-shaped elastic sheet is movably arranged between the elastic sheet groove and the triangular groove, and the V-shaped elastic sheets arranged on the two sides correspondingly form a mirror image.

2. The ball-type wrappable nut of claim 1 wherein: the card strip passageway is provided with two, and corresponding card strip also is provided with two.

3. The ball-type wrappable nut of claim 1 wherein: the clamping strip is an elliptic cylinder-shaped clamping strip, the inner end of the clamping strip is of a wedge-shaped structure, and the outer end of the clamping strip is an arc-shaped end.

4. The ball-type wrappable nut of claim 1 wherein: the width of the clamping groove on the inner wall of the cue ball is matched with the width of the corresponding clamping strip.

5. The ball-type wrappable nut of claim 1 wherein: the outside of the cue ball body can be fixedly connected with a cubic fixed block.