CN216199948U

CN216199948U - Connecting shaft structure

Info

Publication number: CN216199948U
Application number: CN202122396219.6U
Authority: CN
Inventors: 禹果; 包更传; 郑子淦; 李明飞; 徐永强; 杨培海; 钟博
Original assignee: Zhengzhou Fengsen Machinery Co ltd
Current assignee: Zhengzhou Fengsen Machinery Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a connecting shaft structure, which relates to the technical field of connecting shafts and comprises a first connecting shaft and a second connecting shaft, wherein one end of the first connecting shaft is fixedly connected with four first support plates which are annularly and uniformly distributed, one end of the second connecting shaft is fixedly connected with four second support plates which are annularly and uniformly distributed, the four second support plates and the four first support plates are arranged in a staggered manner, one side of each first support plate is provided with a limiting sliding groove, and one side of each second support plate is fixedly connected with a limiting sliding block which is positioned in the limiting sliding groove and slides along the limiting sliding groove in a single degree of freedom; the positioning component is taken out from the inside of the arc-shaped positioning groove, the first support plate and the second support plate are positioned, the first connecting shaft and the second connecting shaft are pushed, the first support plate and the second support plate slide in opposite directions, the first support plate and the second support plate are effectively prevented from being separated under the limitation of the limiting sliding groove and the limiting sliding block, and therefore the length of the connecting shaft is adjusted.

Description

Connecting shaft structure

Technical Field

The utility model relates to the technical field of connecting shafts, in particular to a connecting shaft structure.

Background

The connecting shaft is an important mechanical connecting assembly in mechanical transmission connection, and when the connecting shaft is in transmission connection, reliable connection between the connecting shaft and a working component or a transmission shaft rod is required.

Connecting axle that now uses, the most unable better length to the connecting axle is adjusted, when connecting axle length overlength or when short, can only realize the connection between the equipment through the connecting axle of changing different models, and is comparatively inconvenient, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting shaft structure, and aims to solve the problems that the length of a connecting shaft cannot be adjusted well and the practicability is low in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the connecting shaft structure includes: the connecting device comprises a first connecting shaft and a second connecting shaft, wherein one end of the first connecting shaft is fixedly connected with a first support plate with four annular uniform distributions, one end of the second connecting shaft is fixedly connected with a second support plate with four annular uniform distributions, the second support plate and the four first support plates are arranged in a staggered manner, a limiting sliding groove is formed in one side of the first support plate, one side of the second support plate is fixedly connected with a limiting sliding block which is positioned in the limiting sliding groove and slides along the limiting sliding groove with single degree of freedom, arc-shaped positioning grooves are formed in the outer walls of the first support plate and the second support plate, positioning parts used for limiting the relative positions of the first connecting shaft and the second connecting shaft are arranged in the arc-shaped positioning grooves, and a plurality of arc-shaped auxiliary grooves which are distributed equidistantly and used for mounting the positioning parts are formed in the outer walls of the first support plate and the second support plate.

In order to enable the length of the support plate to be convenient to adjust, the support plate has the further technical scheme that the first support plate and the second support plate are equal in shape and size, and the cross sections of the first support plate and the second support plate are both fan-shaped and are distributed in a staggered mode to form a ring.

In order to enable the connecting shaft to have a good effect of adjusting the length of the connecting shaft and fixing the connecting shaft, the positioning component comprises two house type positioning plates with equal shapes and sizes, one ends of the two arc-shaped positioning plates are respectively provided with a clamping groove, the other ends of the two arc-shaped positioning plates are respectively and fixedly connected with a clamping block which is matched with the clamping groove in the direction of the clamping groove, the clamping block on one arc-shaped positioning plate is mutually clamped and connected with the clamping groove on the other arc-shaped positioning plate to form a circular ring, the side wall of each arc-shaped positioning plate is in threaded connection with a fixing bolt positioned on one side of the clamping groove, the bottom end of each fixing bolt is in threaded connection with the inside of the clamping block in the clamping groove, the arc-shaped positioning grooves and the arc-shaped auxiliary grooves are equal in shape and size, and the widths of the arc-shaped positioning plates and the arc-shaped positioning grooves are equal.

In order to enable the utility model to have a better mounting effect, the utility model has the further technical scheme that one end of each of the first connecting shaft and the second connecting shaft is fixedly connected with a mounting head, a mounting groove is formed in the mounting head, a thread groove is formed in the outer wall of the mounting head, and a positioning hole perpendicular to the central shaft is formed in one side of the mounting head.

The utility model has the beneficial effects that:

when the positioning device is used, the positioning component is taken out from the interior of the arc-shaped positioning groove, the positioning of the first support plate and the second support plate is released, the first connecting shaft and the second connecting shaft are pushed, the first support plate and the second support plate slide oppositely, the first support plate and the second support plate are effectively prevented from being separated under the limitation of the limiting sliding groove and the limiting sliding block, and therefore the length of the connecting shaft is adjusted.

Drawings

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

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of the utility model at a in fig. 2.

In the figure: 1. a first connecting shaft; 2. a second connecting shaft; 3. a first support plate; 4. a second support plate; 5. a limiting chute; 6. a limiting slide block; 7. an arc-shaped positioning groove; 8. a positioning member; 801. an arc-shaped positioning plate; 802. a card slot; 803. a clamping block; 9. an arc-shaped auxiliary groove; 10. fixing the bolt; 11. a mounting head; 12. mounting grooves; 13. a thread groove; 14. and (7) positioning the holes.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 3, a connecting shaft structure includes: a first connecting shaft 1 and a second connecting shaft 2, wherein one end of the first connecting shaft 1 is fixedly connected with four first support plates 3 which are annularly and uniformly distributed, one end of the second connecting shaft 2 is fixedly connected with four second support plates 4 which are annularly and uniformly distributed, and crisscross distribution setting between four second extension boards 4 and four first extension boards 3, spacing spout 5 has been seted up to one side of first extension board 3, one side fixedly connected with of second extension board 4 is located spacing spout 5 inside and along the spacing slider 6 that spacing spout 5 single degree of freedom slided, arc constant head tank 7 has all been seted up to the outer wall of first extension board 3 and second extension board 4, the inside of arc constant head tank 7 is provided with the locating part 8 that is used for restricting first connecting axle 1 and 2 relative positions of second connecting axle, a plurality of equidistance distributions are all seted up to the outer wall of first extension board 3 and second extension board 4 and are used for the arc auxiliary tank 9 of locating part 8 installation.

In the embodiment, the positioning component 8 is taken out from the inside of the arc-shaped positioning groove 7, the positioning of the first support plate 3 and the second support plate 4 is released, the first connecting shaft 1 and the second connecting shaft 2 are pushed, the first support plate 3 and the second support plate 4 slide towards each other, under the limit of the limit sliding groove 5 and the limit sliding block 6, the first support plate 3 and the second support plate 4 are effectively prevented from being separated, so that the length of the connecting shaft is adjusted, because a plurality of first supporting plates 3 and second supporting plates 4 are arranged in a staggered way, the arc-shaped positioning grooves 7 and the arc-shaped auxiliary grooves 9 which are arranged on different first supporting plates 3 and second supporting plates 4, after sliding a certain distance, communicate with each other, and then are positioned again using the positioning member 8, can accomplish the adjustment to connecting axle length to the trouble of changing the connecting axle has been saved to the connection of the different equipment of completion that is more convenient, improve equipment's practicality.

Specifically, the shapes and sizes of the first support plate 3 and the second support plate 4 are equal, the cross sections of the first support plate 3 and the second support plate 4 are both fan-shaped and are distributed in a staggered mode to form a ring shape, and the cross sections of the fan-shaped first support plate 3 and the fan-shaped second support plate 4 are distributed in a staggered mode to form a cylinder shape after being overlapped in sliding, so that the equipment can be positioned conveniently, gaps between different first support plates 3 and different second support plates 4 can be reduced, and the use strength of the equipment is enhanced.

Specifically, the positioning component 8 includes two arc positioning plates 801 that the shape and size are equal, the draw-in groove 802 has all been seted up to the one end of two arc positioning plates 801, the equal fixedly connected with of the other end of two arc positioning plates 801 and the draw-in groove 803 of draw-in groove 802 to the adaptation, and the draw-in groove 802 mutual joint on one of them arc positioning plate 801 and the draw-in groove 802 of another arc positioning plate 801 forms the ring, two arc positioning plates 801 form annular joint inside the arc positioning groove 7 of first extension board 3 and second extension board 4 through draw-in groove 803 and draw-in groove 802, it is spacing to carry out first extension board 3 and second extension board 4.

Furthermore, the side wall of the arc-shaped positioning plate 801 is in threaded connection with a fixing bolt 10 located on one side of the clamping groove 802, the bottom end of the fixing bolt 10 is in threaded connection with the inside of a clamping block 803 inside the clamping groove 802, and the clamping block 803 is fixed through the fixing bolt 10, so that the two arc-shaped positioning plates 801 are not prone to being separated when the device is used.

Further, the shape size homoenergetic of arc constant head tank 7 and arc auxiliary tank 9 equals, and the width of arc locating plate 801 and arc constant head tank 7 equals, because the shape size homoenergetic of arc constant head tank 7 and arc auxiliary tank 9 equals, arc locating plate 801 can be better act on both, after the adjustment of accomplishing connecting axle length, better fix a position fixedly to equipment.

Preferably, the mounting head 11 is fixedly connected to one end of each of the first connecting shaft 1 and the second connecting shaft 2, the mounting groove 12 is formed in the mounting head 11, the thread groove 13 is formed in the outer wall of the mounting head 11, the positioning hole 14 perpendicular to the central axis is formed in one side of the mounting head 11, the connecting shaft can be mounted through the positioning hole 14 in cooperation with the mounting groove 12, and the mounting can also be performed through the thread groove 13, so that the application range of the device is wider.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A connecting shaft structure, comprising: the connecting device comprises a first connecting shaft (1) and a second connecting shaft (2), and is characterized in that one end of the first connecting shaft (1) is fixedly connected with four first support plates (3) which are annularly and uniformly distributed, one end of the second connecting shaft (2) is fixedly connected with four second support plates (4) which are annularly and uniformly distributed, the four second support plates (4) and the four first support plates (3) are arranged in a staggered manner, one side of each first support plate (3) is provided with a limiting sliding groove (5), one side of each second support plate (4) is fixedly connected with a limiting sliding block (6) which is positioned in the limiting sliding groove (5) and slides along the limiting sliding groove (5) in a single degree of freedom, the outer walls of the first support plate (3) and the second support plate (4) are both provided with arc-shaped positioning grooves (7), and positioning parts (8) for limiting the relative positions of the first connecting shaft (1) and the second connecting shaft (2) are arranged in the arc-shaped positioning grooves (7), the outer walls of the first support plate (3) and the second support plate (4) are provided with a plurality of arc-shaped auxiliary grooves (9) which are distributed at equal intervals and used for installing the positioning component (8).

2. A connecting shaft structure according to claim 1, wherein the first support plate (3) and the second support plate (4) are equal in shape and size, and the first support plate (3) and the second support plate (4) are fan-shaped in cross section and are distributed in a staggered manner to form a ring.

3. A connecting shaft structure according to claim 1, wherein the positioning member (8) includes two arc-shaped positioning plates (801) having the same shape and size, a clamping groove (802) is formed at one end of each of the two arc-shaped positioning plates (801), a clamping block (803) adapted to the clamping groove (802) is fixedly connected to the other end of each of the two arc-shaped positioning plates (801), and the clamping block (803) of one of the arc-shaped positioning plates (801) and the clamping groove (802) of the other arc-shaped positioning plate (801) are clamped to each other to form a circular ring.

4. A connecting shaft structure according to claim 3, wherein the side wall of the arc-shaped positioning plate (801) is in threaded connection with a fixing bolt (10) located on one side of the clamping groove (802), and the bottom end of the fixing bolt (10) is in threaded connection with the inside of a clamping block (803) inside the clamping groove (802).

5. A connecting shaft structure according to claim 3, wherein the arc positioning groove (7) and the arc auxiliary groove (9) are equal in shape and size, and the arc positioning plate (801) and the arc positioning groove (7) are equal in width.

6. A connecting shaft structure according to any one of claims 1 to 5, wherein one end of each of the first connecting shaft (1) and the second connecting shaft (2) is fixedly connected with a mounting head (11), a mounting groove (12) is formed inside the mounting head (11), a threaded groove (13) is formed on the outer wall of the mounting head (11), and a positioning hole (14) perpendicular to the central shaft is formed on one side of the mounting head (11).