CN219221023U

CN219221023U - Telescopic main shaft

Info

Publication number: CN219221023U
Application number: CN202222595397.6U
Authority: CN
Inventors: 王宇亭
Original assignee: Baoji Xinyutong Machinery Manufacturing Co ltd
Current assignee: Baoji Xinyutong Machinery Manufacturing Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-06-20
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to the field of transmission, in particular to a telescopic main shaft which comprises a first main shaft, wherein an adjusting column is connected in a sliding manner in the first main shaft, one end of the adjusting column is provided with a second main shaft, four groups of clamping assemblies for automatically clamping the adjusting column are arranged in the first main shaft at intervals along the circumferential direction, one end of the first main shaft is connected with four groups of L-shaped clamping rods in a rotating manner along the circumferential direction, the four groups of L-shaped clamping rods are respectively provided with a fastening assembly matched with the adjusting column and used for fixing the position of the adjusting column, the second main shaft is dragged at first, the adjusting column is controlled to slide outwards from a containing groove according to the distance between the second main shaft and the first main shaft, after adjustment, an L-shaped clamping plate is dragged, one end of the L-shaped clamping plate rotates from the containing groove, and when the second main shaft rotates, the upper fixing plate corresponds to the side wall of the adjusting column, and then an adjusting handle is rotated on the fixing plate, so that one end of a screw is in threaded connection with a thread groove, and the position of the adjusting column is fixed.

Description

Telescopic main shaft

Technical Field

The utility model relates to the field of transmission, in particular to a telescopic main shaft.

Background

In the prior art, the general length of the main shaft is fixed, when the main shaft is actually assembled, once the error exists in the parts connected with the main shaft or the error occurs in the positions of the main shaft and the parts during the installation, the main shaft cannot be matched, the length of the main shaft is fixed, a lot of places for conveying the main shaft are needed during the actual assembly, and the lengths of the main shafts needed in the places are not necessarily the same, so that the main shafts with other sizes are needed to be purchased, the working efficiency is reduced, and meanwhile, the manpower and material resources are wasted.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a telescopic main shaft, which solves the technical problems that once the error exists in parts connected with the main shaft or the error occurs in the installation position, the main shaft and the parts cannot be matched, the main shaft with other sizes needs to be purchased, the working efficiency is reduced, and the manpower and material resources are wasted.

The scheme adopted by the utility model is as follows: the utility model provides a telescopic main shaft, includes first main shaft, first main shaft sliding connection has the regulation post, regulation post one end is equipped with the second main shaft, be equipped with four sets of clamping components that are used for automatic clamping regulation post along circumference interval in the first main shaft, first main shaft one end is connected with four sets of L type clamping bars along circumference rotation, four sets of all be equipped with on the L type clamping bar and be used for the fixed fastening components who adjusts the post position with the cooperation of regulation post.

Preferably, the accommodating groove is formed in the lower end face of the first main shaft, the adjusting columns are slidably connected in the accommodating groove, and a plurality of thread grooves are formed in the adjusting columns along the circumferential direction at intervals.

Preferably, the fastening assembly comprises a fixed plate arranged at one end of the L-shaped clamping rod, a screw rod is connected to the fixed plate in a threaded mode, an adjusting handle is arranged at one end of the screw rod, and the position of the screw rod corresponds to the position of the thread groove.

Preferably, four storage grooves are formed in one end of the first main shaft at intervals along the circumferential direction, the four storage grooves are all rotationally connected with a rotating shaft, the other end of the L-shaped clamping rod is fixedly connected with the rotating shaft, and the size of each storage groove is matched with the size of the L-shaped clamping rod.

Preferably, a circular baffle is arranged at the notch of the accommodating groove, and a circular limiting block is arranged at one end of the main shaft opposite to the first main shaft.

Preferably, the clamping assembly comprises grooves formed in the inner wall of the accommodating groove at intervals along the circumferential direction, clamping blocks are connected in the grooves in a sliding mode, one ends of the clamping blocks are arc-shaped, and clamping springs are arranged between the clamping blocks and the grooves.

Preferably, a silica gel layer is arranged on the side wall of the circular baffle plate.

Preferably, the outer side walls of the first main shaft and the second main shaft are respectively provided with an anti-slip layer.

The utility model has the beneficial effects that:

the first main shaft is dragged to control the adjusting column to slide outwards from the accommodating groove, the distance between the second main shaft and the first main shaft is controlled, the L-shaped clamping plate is dragged after adjustment, one end of the L-shaped clamping plate rotates from the accommodating groove to be out, the upper fixing plate corresponds to the side wall of the adjusting column, the adjusting handle on the fixing plate is rotated, one end of the screw rod is in threaded connection with the threaded groove, and the position of the adjusting column is fixed, so that the technical problems that once an error exists in a part connected with the main shaft or the error occurs in the position during installation, the main shaft and the part cannot be matched, the main shaft with other sizes needs to be purchased, the working efficiency is reduced, and meanwhile, manpower and material resources are wasted are solved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an enlarged view of part of A of FIG. 1;

FIG. 3 is a schematic view of the first spindle and the adjusting column of the present utility model;

FIG. 4 is an enlarged view of part of A of FIG. 3;

fig. 5 is a top plan view of the first spindle of the present utility model.

Reference numerals: 1. a first spindle; 2. an adjusting column; 3. a second spindle; 4. an L-shaped clamping rod; 5. a receiving groove; 6. a thread groove; 7. a fixing plate; 8. a screw; 9. an adjusting handle; 10. a storage groove; 11. a rotating shaft; 12. a circular baffle; 13. a circular limiting block; 14. a groove; 15. a clamping block; 16. a clamping spring; 17. a silica gel layer; 18. an anti-slip layer.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become apparent from the following detailed description, which is to be read in connection with the accompanying examples of fig. 1-5. The following embodiments are described in detail with reference to the drawings.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

Embodiment one, a telescopic main shaft, including first main shaft 1, first main shaft 1 sliding connection has adjusting column 2, adjusting column 2 one end is equipped with second main shaft 3, the interval of first main shaft 1 and second main shaft 3 is adjusted to the slip adjusting column 2, be equipped with four sets of clamping assembly that are used for automatic centre gripping adjusting column 2 along the circumference interval in the first main shaft 1, carry out the centre gripping to adjusting column 2, improve adjusting column 2's stability, first main shaft 1 one end is connected with four sets of L type clamping bars 4 along the circumference rotation, all be equipped with the fastening assembly that is used for fixed adjusting column 2 position with adjusting column 2 cooperation on four sets of L type clamping bars 4.

In the second embodiment, on the basis of the first embodiment, the lower end surface of the first spindle 1 is provided with a receiving groove 5, the adjusting column 2 is slidably connected in the receiving groove 5, and a plurality of thread grooves 6 are distributed in the adjusting column 2 at intervals along the circumferential direction.

In the third embodiment, on the basis of the first embodiment, the fastening assembly includes a fixing plate 7 disposed at one end of the L-shaped clamping rod 4, a screw rod 8 is screwed on the fixing plate 7, an adjusting handle 9 is disposed at one end of the screw rod 8, and the position of the screw rod 8 corresponds to the position of the thread groove 6.

In the fourth embodiment, on the basis of the first embodiment, four accommodating grooves 10 are formed in one end of the first spindle 1 at intervals along the circumferential direction, rotating shafts 11 are rotatably connected in the four accommodating grooves 10, the other end of the L-shaped clamping rod 4 is fixedly connected with the rotating shafts 11, and the size of the accommodating grooves 10 is matched with that of the L-shaped clamping rod 4.

In the fifth embodiment, on the basis of the second embodiment, a circular baffle 12 is disposed at the notch of the accommodating groove 5, and a circular limiting block 13 is disposed at one end of the spindle opposite to the first spindle 1.

In the sixth embodiment, on the basis of the second embodiment, the clamping assembly includes grooves 14 formed on the inner wall of the accommodating groove 5 at intervals along the circumferential direction, clamping blocks 15 are slidably connected in the grooves 14, one ends of the clamping blocks 15 are arc-shaped, clamping springs 16 are arranged between the clamping blocks 15 and the grooves 14, and when the clamping springs 16 stand still, the arc-shaped ends of the clamping columns are driven by elastic force to abut against the side walls of the adjusting columns 2.

In the seventh embodiment, on the basis of the fifth embodiment, a silica gel layer 17 is disposed on a side wall of the circular baffle 12, the circular limiting plate and the circular baffle 12 are used for preventing the adjusting column 2 from falling from the accommodating groove 5 of the first main shaft 1, and the silica gel layer 17 is used for preventing the circular limiting plate and the circular baffle 12 from mutually striking and wearing when propping against each other.

In the eighth embodiment, on the basis of the first embodiment, the outer side walls of the first spindle 1 and the second spindle 3 are provided with the anti-slip layer 18, and the anti-slip layer 18 is used as a grip portion when adjusting the distance between the first spindle 1 and the second spindle 3.

When the utility model is used, the second main shaft 3 is dragged at first, the adjusting column 2 is controlled to slide outwards from the accommodating groove 5, the distance between the second main shaft 3 and the first main shaft 1 is controlled, after adjustment, the L-shaped clamping plate is dragged, one end of the L-shaped clamping plate rotates from the accommodating groove 5, the upper fixing plate 7 corresponds to the side wall of the adjusting column 2 when the L-shaped clamping plate is used, then the adjusting handle 9 on the fixing plate 7 is rotated, one end of the screw rod 8 is in threaded connection with the thread groove 6, and the position of the adjusting column 2 is fixed, so that the technical problems that once the error exists in parts connected with the main shaft during actual assembly, or the error occurs in the position when the main shaft and the parts are installed, the main shaft cannot be matched, other main shafts with other sizes need to be purchased, and manpower and material resources are wasted when the working efficiency is reduced are solved.

The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.

Claims

1. The utility model provides a telescopic main shaft, its characterized in that, includes first main shaft (1), sliding connection has adjusting column (2) in first main shaft (1), adjusting column (2) one end is equipped with second main shaft (3), be equipped with four sets of clamping assembly that are used for automatic centre gripping adjusting column (2) along the circumference interval in first main shaft (1), first main shaft (1) one end is connected with four sets of L type clamping bars (4) along circumference rotation, four sets of all be equipped with on L type clamping bars (4) and adjust the fastening assembly that column (2) position are used for fixed adjusting column (2) cooperation.

2. The telescopic spindle according to claim 1, wherein the lower end surface of the first spindle (1) is provided with a containing groove (5), the adjusting column (2) is slidably connected in the containing groove (5), and a plurality of thread grooves (6) are distributed in the adjusting column (2) at intervals along the circumferential direction.

3. A telescopic spindle according to claim 1, wherein the fastening assembly comprises a fixing plate (7) arranged at one end of the L-shaped clamping rod (4), a screw (8) is connected to the fixing plate (7) in a threaded manner, an adjusting handle (9) is arranged at one end of the screw (8), and the position of the screw (8) corresponds to the position of the thread groove (6).

4. The telescopic spindle according to claim 1, wherein four accommodating grooves (10) are formed in one end of the first spindle (1) at intervals along the circumferential direction, the four accommodating grooves (10) are rotationally connected with rotating shafts (11), the other end of the L-shaped clamping rod (4) is fixedly connected with the rotating shafts (11), and the size of the accommodating grooves (10) is matched with that of the L-shaped clamping rod (4).

5. A telescopic spindle according to claim 2, characterized in that the notch of the receiving groove (5) is provided with a circular baffle (12), and the opposite end of the spindle to the first spindle (1) is provided with a circular stop block (13).

6. A telescopic spindle according to claim 2, wherein the clamping assembly comprises grooves (14) formed in the inner wall of the accommodating groove (5) at intervals along the circumferential direction, clamping blocks (15) are slidably connected in the grooves (14), one ends of the clamping blocks (15) are arc-shaped, and clamping springs (16) are arranged between the clamping blocks (15) and the grooves (14).

7. A telescopic spindle according to claim 5, characterized in that the side walls of the circular baffles (12) are provided with a layer of silica gel (17).

8. A telescopic spindle according to claim 1, characterized in that the outer side walls of the first spindle (1) and the second spindle (3) are provided with anti-slip layers (18).