CN212455184U - Connecting shaft and butt joint mechanism thereof - Google Patents

Abstract

The utility model discloses a connecting axle and docking mechanism thereof, including the connecting axle body, the tip of connecting axle body is provided with the butt joint section, the outside interval of butt joint section is provided with a plurality of assembly beads, and a plurality of assembly beads are all along the axis setting of connecting axle body, and the length unanimity of a plurality of assembly beads and both ends flush, still be provided with the joint groove on the butt joint section, the joint groove is sunken to the center of connecting axle body, one side that the joint groove is close to the tip is the stop surface, the joint groove is the shrink face with the relative one side of stop surface, the shrink face is the inclined plane. The beneficial effects of the above technical scheme are: the joint groove that sets up can play the fixed action when the assembly for the connecting axle fastening after connecting is motionless, and the assembly bead can increase the connecting axle and bear tangential force, makes the connecting axle can strengthen the ability of transmission moment.

Description

Connecting shaft and butt joint mechanism thereof

Technical Field

The utility model relates to a connecting axle technical field, concretely relates to connecting axle and docking mechanism thereof.

Background

A shaft is a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment. Typically in the form of a metal rod, each section may have a different diameter. The parts of the machine that rotate are mounted on the shaft. In addition, the connecting shaft is also required to be connected with some non-standard parts so as to drive the non-standard parts to move, the existing connecting mode is inconvenient to disassemble, the installation steps are complex, and the operation efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a connecting axle and docking mechanism thereof for the connecting axle can dock fast and dismantle fast, has improved the operating efficiency.

The utility model discloses a technical scheme who provides in an aspect is: the utility model provides a connecting shaft, includes the connecting axle body, the tip of connecting axle body is provided with the butt joint section, the outside interval of butt joint section is provided with a plurality of assembly beads, and the axis setting of connecting axle body is all followed to a plurality of assembly beads, and the length unanimity and both ends of a plurality of assembly beads flush, still be provided with the joint groove in the butt joint section, the joint groove is sunken to the center of connecting axle body, one side that the joint groove is close to the tip is the stop face, the joint groove is the shrink face with the one side that the stop face is relative, the shrink face is the inclined plane.

The beneficial effects of the above technical scheme are: the joint groove that sets up can play the fixed action when the assembly for the connecting axle fastening after connecting is motionless, and the assembly bead can increase the connecting axle and bear tangential force, makes the connecting axle can strengthen the ability of transmission moment.

Further, the length of the assembling convex rib is 1/2 of the butt joint section, and the assembling convex rib extends inwards from the outermost end of the butt joint section. The assembling convex ribs of the connecting shaft can freely rotate after crossing the obstacles, so that the quick disassembly of the connecting shaft can be realized.

Further, the joint groove sets up in the interval of assembling the bead. And the space is saved.

Furthermore, the joint groove has two, and two joint grooves are along the axis symmetrical arrangement of connecting axle body. So that the connection of the connecting shaft is firmer.

The utility model discloses another aspect provides a technical scheme is: the utility model provides a docking mechanism, include with connecting axle assorted sleeve, be provided with the butt joint space that holds the butt joint section in the sleeve, be provided with on the telescopic inner wall with assembly bead assorted assembly groove, the sleeve inner wall corresponds joint groove activity and is provided with the joint piece, the joint piece passes through the spring and sets up on the sleeve inner wall, and the butt joint section is impressed the joint piece in telescopic inner wall when inserting the sleeve, still be provided with the locating part on the sleeve, through the locating part makes the connecting axle stop the position that the joint piece blocks the joint groove completely.

Further, the sleeve has a length at least twice as long as the butt section, and the fitting groove extends inward from an outer end portion of the sleeve. When the connecting axle continues to stretch into to the sleeve, the assembly bead can all cross the assembly recess, crosses the shrink face of back connecting axle and can impress the joint piece in telescopic inner wall for the connecting axle can rotate and take out by the sleeve after certain angle.

Furthermore, the limiting part is an inserted bar which penetrates through the sleeve, and the part of the inserted bar, which is located in the sleeve, blocks the end part of the connecting shaft. The inserted bar can block the connecting shaft from further extending inwards after being inserted into the sleeve, namely, the connecting shaft can be prevented from being pulled out by the sleeve subsequently.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a cross-sectional view of a docking section in an embodiment of the present invention;

fig. 3 is a cross-sectional view of embodiment 2 of the present invention;

fig. 4 is a schematic view of the connection shaft and the docking mechanism according to the embodiment of the present invention.

Reference numerals: the connecting shaft comprises a connecting shaft body 100, a butt joint section 110, an assembling convex ridge 111, a clamping groove 120, a contraction surface 121, a stopping surface 122, a sleeve 200, an assembling groove 210, a clamping block 220, a spring 221 and an inserting rod 230.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1-2, this embodiment provides a connecting shaft, including connecting shaft body 100, the tip of connecting shaft body 100 is provided with butt joint section 110, the outside interval of butt joint section 110 is provided with a plurality of assembly bead 111, and a plurality of assembly bead 111 all set up along the axis of connecting shaft body 100, and the length unanimous and both ends of a plurality of assembly bead 111 flush, and preferred four assembly bead 111 that set up on the connecting shaft of this embodiment, the ninety degrees setting in the adjacent interval of four assembly bead 111, still be provided with joint groove 120 on the butt joint section 110, joint groove 120 is sunken to the center of connecting shaft body 100, one side that joint groove 120 is close to the tip is stopping surface 122, the one side that joint groove 120 is relative with stopping surface 122 is shrink surface 121, shrink surface 121 is the inclined plane. The joint groove 120 that sets up can play the fixed action when the assembly for the connecting axle fastening after connecting is motionless, and assembly bead 111 can increase the connecting axle and bear tangential force, makes the connecting axle can strengthen the ability of transmission moment.

Further, the length of the assembling protrusion 111 is 1/2 of the butt-joint section 110, and the assembling protrusion 111 extends inwards from the outermost end of the butt-joint section 110. So that the assembling protrusions 111 of the coupling shaft can freely rotate after crossing the obstacle, and the quick disassembly of the coupling shaft can be realized.

Further, the catching grooves 120 are formed in the intervals of the assembling protrusions 111. And the space is saved.

Further, the number of the catching grooves 120 is two, and the two catching grooves 120 are symmetrically arranged along the axis of the connecting shaft body 100. So that the connection of the connecting shaft is firmer.

Example 2

As shown in fig. 3-4, this embodiment provides a docking mechanism, including with connecting axle assorted sleeve 200 in embodiment 1, be provided with the butt joint space that holds butt joint section 110 in the sleeve 200, be provided with on the inner wall of sleeve 200 with assembly bead 111 assorted assembly groove 210, assembly groove 210 is enclosed by the bead of outstanding sleeve 200 inner wall and closes to form, and it is that an assembly groove 210 is enclosed to close by two beads promptly, the sleeve 200 inner wall corresponds joint groove 120 activity and is provided with joint piece 220, joint piece 220 sets up on the sleeve 200 inner wall through spring 221, and butt joint section 110 impresses joint piece 220 in the inner wall of sleeve 200 when inserting sleeve 200, still be provided with the locating part on the sleeve 200 is interior, make to stop at the position that connecting axle joint piece 220 completely blocks into joint groove 120 through the locating part.

Further, the sleeve 200 has a length at least twice as long as the butt section 110, and the fitting groove 210 extends inward from the outer end of the sleeve 200. When the connecting axle continues to stretch into in the sleeve 200, assembly bead 111 can all cross assembly groove 210, cross shrink face 121 of back connecting axle and can impress joint piece 220 in the inner wall of sleeve 200, make the connecting axle can rotate certain angle (this embodiment is 90) back and take out by sleeve 200, the condition that the connecting axle was taken out is that assembly bead 111 can be by roll-off in the assembly groove 210, joint groove 120 staggers with joint piece 220 simultaneously, make the connecting axle can not lead to joint piece 220 to block once more in the joint groove 120 at the in-process of taking out, avoid can't taking out the connecting axle.

Furthermore, the position-limiting member is an insertion rod 230 that traverses the sleeve 200, and the position of the insertion rod 230 in the sleeve 200 blocks the end of the connecting shaft. After the insertion rod 230 is inserted into the sleeve 200, the connection shaft can be prevented from further extending inwards, that is, the connection shaft can be prevented from being subsequently drawn out from the sleeve 200.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (7)

1. The utility model provides a connecting shaft, a serial communication port, includes connecting shaft body (100), the tip of connecting shaft body (100) is provided with butt joint section (110), the outside interval of butt joint section (110) is provided with a plurality of assembly bead (111), and the axis setting of connecting shaft body (100) is all followed in a plurality of assembly bead (111), and the length unanimity of a plurality of assembly bead (111) and both ends flush, still be provided with joint groove (120) on butt joint section (110), joint groove (120) are sunken to the center of connecting shaft body (100), one side that joint groove (120) are close to the tip is stopping surface (122), the one side that joint groove (120) are relative with stopping surface (122) is shrink face (121), shrink face (121) are the inclined plane.

2. A coupling shaft according to claim 1, wherein the length of the assembling protrusion (111) is 1/2 of the butt joint section (110), and the assembling protrusion (111) extends inwards from the outermost end of the butt joint section (110).

3. A coupling shaft according to claim 1, wherein the catching grooves (120) are provided in the intervals of the fitting protrusions (111).

4. A connecting shaft according to claim 3, wherein the number of the catching grooves (120) is two, and the two catching grooves (120) are symmetrically arranged along the axis of the connecting shaft body (100).

5. The butt joint mechanism is characterized by comprising a sleeve (200) matched with the connecting shaft according to any one of claims 1 to 4, wherein a butt joint space for accommodating the butt joint section (110) is formed in the sleeve (200), an assembly groove (210) matched with the assembly convex edge (111) is formed in the inner wall of the sleeve (200), a joint block (220) is movably arranged on the inner wall of the sleeve (200) corresponding to the joint groove (120) in the sleeve (200), the joint block (220) is arranged on the inner wall of the sleeve (200) through a spring (221), the butt joint section (110) presses the joint block (220) into the inner wall of the sleeve (200) when the sleeve (200) is inserted into the sleeve (200), a limiting part is further arranged in the sleeve (200), and the connecting shaft is stopped at the position where the joint block (220) is completely clamped into the joint groove (120) through the limiting.

6. A docking mechanism according to claim 5, characterized in that the length of the sleeve (200) is at least twice the length of the docking section (110), the fitting recess (210) extending inwardly from the outer end of the sleeve (200).

7. A docking mechanism according to claim 5 wherein the retaining member is an insert rod (230) extending across the sleeve (200), the insert rod (230) being located within the sleeve (200) to block the end of the connecting shaft.

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