CN217327980U

CN217327980U - Device for realizing extension by utilizing helical gear

Info

Publication number: CN217327980U
Application number: CN202221028787.9U
Authority: CN
Inventors: 李石生; 沈辉
Original assignee: Jiangsu Shisheng Intelligent Equipment Co ltd
Current assignee: Jiangsu Shisheng Intelligent Equipment Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-30
Anticipated expiration: 2032-04-29

Abstract

The utility model belongs to the technical field of the telescoping device, especially, for an utilize helical gear to realize flexible device, which comprises an outer shell, the apron is installed in the front of shell, the inside of shell rotates through the bearing and is connected with the driven shaft, the both ends of driven shaft all extend to the outside of shell, the surface cover of driven shaft is established and is fixed with 45 degrees helix angle cylinder helical gears No. one, the inside of shell rotates through the bearing and is connected with the drive shaft, the surface cover of drive shaft is established and is fixed with 45 degrees helix angle cylinder helical gears No. two. The utility model discloses can be more for convenient and fast's realization telescope tube stretch out or retract, and the cooperation of 45 degrees helical angle cylinder helical gears and No. two 45 degrees helical angle cylinder helical gears, its space installation requirement is less, and overall structure is comparatively simple, and holistic production manufacturing cost is also lower, so the practicality is stronger.

Description

Device for realizing extension by utilizing helical gear

Technical Field

The utility model relates to a telescoping device technical field specifically is an utilize helical gear to realize flexible device.

Background

In the manufacturing process of some industrial products, the telescopic device is often required to be used for achieving the telescopic purpose, for example, the telescopic cross rods which are used for bearing and connecting on some telescopic platforms at present or the fields of some telescopic guardrails, telescopic enclosing plates and the like are all used, but most of the telescopic devices on the market at present are complex in structure, high in production and manufacturing cost and high in space installation requirement, so that the device for achieving the telescopic effect by utilizing the bevel gears is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an it is not enough to prior art, the utility model provides an utilize helical gear to realize flexible device has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a device for realizing extension by utilizing helical gears comprises a shell, wherein a cover plate is installed on the front surface of the shell, a driven shaft is rotatably connected inside the shell through a bearing, two ends of the driven shaft extend to the outside of the shell, a 45-degree helical angle cylindrical helical gear is fixedly arranged on the surface sleeve of the driven shaft, a driving shaft is rotatably connected inside the shell through a bearing, a second 45-degree helical angle cylindrical helical gear is fixedly arranged on the surface sleeve of the driving shaft, the second 45-degree helical angle cylindrical helical gear is meshed with the first 45-degree helical angle cylindrical helical gear, one end of the driving shaft extends to the outside of the shell and is fixedly provided with a hand crank, a square sleeve is fixedly arranged on one side wall of the shell, a connecting sleeve is installed at one end of the driven shaft, a trapezoidal lead screw is fixedly arranged at one end of the connecting sleeve, and a trapezoidal nut is connected to the surface thread of the trapezoidal lead screw, the surface of the trapezoidal nut is fixedly provided with a telescopic sleeve in a sleeved mode, and the telescopic sleeve is connected into the square sleeve in a sliding mode.

Furthermore, connecting plates are fixed on the surfaces of two ends of the square sleeve, and mounting holes are formed in two ends of each connecting plate.

Furthermore, the surface of the hand crank is provided with anti-skidding lines.

Further, the cover plate is connected with the shell through bolts, and the shell is connected with the square sleeve through bolts.

Furthermore, a connecting block is fixed at one end of the telescopic pipe, and a mounting hole is formed in the surface of the connecting block.

(III) advantageous effects

Compared with the prior art, the utility model provides an utilize helical gear to realize flexible device possesses following beneficial effect:

the utility model discloses, through setting up driven shaft, 45 degrees helical angle cylinder helical gears, drive shaft, No. two 45 degrees helical angle cylinder helical gears, crank, square sleeve pipe, adapter sleeve, trapezoidal lead screw and trapezoidal nut, can be comparatively convenient and fast's realization telescopic tube stretch out or retract, and the cooperation of 45 degrees helical angle cylinder helical gears and No. two 45 degrees helical angle cylinder helical gears, its space installation requirement is less, overall structure is comparatively simple, holistic production manufacturing cost is also lower, so the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall side view structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic view of the connection between the first 45 degree helical angle cylindrical helical gear and the second 45 degree helical angle cylindrical helical gear of the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. a driven shaft; 4. a first 45-degree helical angle cylindrical helical gear; 5. a drive shaft; 6. a second 45-degree helical angle cylindrical helical gear; 7. a hand crank; 8. a square sleeve; 9. connecting sleeves; 10. a trapezoidal screw rod; 11. a trapezoidal nut; 12. a telescopic sleeve; 13. a connecting plate; 14. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, 2, 3 and 4, an embodiment of the present invention provides a device for extending and retracting by using helical gears, which includes a housing 1, a cover plate 2 is installed on a front surface of the housing 1, a driven shaft 3 is rotatably connected to an inside of the housing 1 through a bearing, both ends of the driven shaft 3 extend to an outside of the housing 1, a first 45-degree helical angle cylindrical helical gear 4 is fixedly sleeved on a surface of the driven shaft 3, a driving shaft 5 is rotatably connected to an inside of the housing 1 through a bearing, a second 45-degree helical angle cylindrical helical gear 6 is fixedly sleeved on a surface of the driving shaft 5, the second 45-degree helical angle cylindrical helical gear 6 is meshed with the first 45-degree helical angle cylindrical helical gear 4, one end of the driving shaft 5 extends to an outside of the housing 1 and is fixedly provided with a crank 7, a square sleeve 8 is fixedly provided on a side wall of the housing 1, a connecting sleeve 9 is installed at one end of the driven shaft 3, a trapezoidal screw rod 10 is fixed at one end of the connecting sleeve 9, a trapezoidal nut 11 is connected to the surface of the trapezoidal screw rod 10 in a threaded manner, an expansion sleeve 12 is fixedly sleeved on the surface of the trapezoidal nut 11, and the expansion sleeve 12 is connected in the square sleeve 8 in a sliding manner; to sum up, when need control telescopic tube 12 and stretch out, can rotate crank 7, crank 7 can drive shaft 5 and rotate, drive shaft 5 can drive No. two 45 degrees helix angle cylinder helical gears 6 and rotate, No. two 45 degrees helix angle cylinder helical gears 6 can drive No. one 45 degrees helix angle cylinder helical gears 4 and rotate, No. one 45 degrees helix angle cylinder helical gears 4 can drive driven shaft 3 and rotate, driven shaft 3 can drive adapter sleeve 9 and rotate, adapter sleeve 9 can drive trapezoidal lead screw 10 and rotate, trapezoidal lead screw 10 can drive trapezoidal nut 11 and move outward, thereby can drive telescopic tube 12 and stretch out outward, what need to explain here, can install adapter sleeve 9 at the other end of driven shaft 3 as required additional, square sleeve 8, parts such as trapezoidal lead screw 10, can realize two-way flexible effect like this.

As shown in fig. 1 and 3, in the present embodiment, the connecting plates 13 are fixed to both end surfaces of the square sleeve 8, and mounting holes are opened at both ends of the connecting plates 13, so that the device can be conveniently mounted at a desired position by using bolts.

As shown in fig. 1, in this embodiment, the surface of the crank handle 7 is provided with anti-slip lines, which can play a better anti-slip role, so that people can rotate the crank handle 7 conveniently.

As shown in fig. 1, in the present embodiment, the cover plate 2 is connected to the housing 1 by bolts, and the housing 1 is connected to the square sleeve 8 by bolts, which is to facilitate the disassembly and assembly of the cover plate 2 and the square sleeve 8, so as to facilitate the maintenance of the components in the housing 1 and the square sleeve 8.

As shown in fig. 1, in the present embodiment, a connection block 14 is fixed to one end of the telescopic tube 12, and a mounting hole is formed in a surface of the connection block 14, which is a member required for convenient connection using a bolt.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for realizing extension and retraction by utilizing a helical gear comprises a shell (1), and is characterized in that: the front of shell (1) is installed apron (2), the inside of shell (1) is connected with driven shaft (3) through bearing rotation, the both ends of driven shaft (3) all extend to the outside of shell (1), the surface cover of driven shaft (3) is established and is fixed with 45 degrees helical angle cylinder helical gear (4) No. one, the inside of shell (1) is connected with drive shaft (5) through bearing rotation, the surface cover of drive shaft (5) is established and is fixed with 45 degrees helical angle cylinder helical gear (6) No. two, 45 degrees helical angle cylinder helical gear (6) and 45 degrees helical angle cylinder helical gear (4) meshing connection No. two, the one end of drive shaft (5) extends to the outside of shell (1) and is fixed with crank (7), a lateral wall of shell (1) is fixed with square sleeve pipe (8), adapter sleeve (9) is installed to the one end of driven shaft (3), the one end of adapter sleeve (9) is fixed with trapezoidal lead screw (10), the surperficial threaded connection of trapezoidal lead screw (10) has trapezoidal nut (11), the surface cover of trapezoidal nut (11) is established and is fixed with telescopic tube (12), telescopic tube (12) sliding connection is in square sleeve pipe (8).

2. The device for realizing the extension and retraction by using the helical gear as claimed in claim 1, wherein: the surface of both ends of square sleeve pipe (8) all is fixed with connecting plate (13), the mounting hole has all been seted up at the both ends of connecting plate (13).

3. The device for realizing the extension and retraction by using the helical gear as claimed in claim 1, wherein: the surface of the hand crank (7) is provided with anti-skid lines.

4. The device for realizing the extension and retraction by using the helical gear according to claim 1, wherein: the cover plate (2) is connected with the shell (1) through bolts, and the shell (1) is connected with the square sleeve (8) through bolts.

5. The device for realizing the extension and retraction by using the helical gear as claimed in claim 1, wherein: one end of the telescopic sleeve (12) is fixed with a connecting block (14), and a mounting hole is formed in the surface of the connecting block (14).