CN219133749U

CN219133749U - Wheel steering shaft with good protection

Info

Publication number: CN219133749U
Application number: CN202223252687.7U
Authority: CN
Inventors: 傅军; 杨旭宏
Original assignee: Tai'an Hancheng Trailer Equipment Manufacturing Co ltd
Current assignee: Tai'an Hancheng Trailer Equipment Manufacturing Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-06
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of universal wheel steering shafts, and discloses a wheel steering shaft with good protection performance. This wheel steering axle that protectiveness is good is through installing urceolus, movable rod, spring, fixed cover and rubber sleeve for when the pulley removes in rugged ground, the accessible movable rod reduces the impact force that axle bed and steering axle body received in the removal cooperation spring of urceolus inner wall, makes it not fragile, and the setting of a plurality of fixed covers has increased the intensity of steering axle body simultaneously, and the setting of rethread rubber sleeve prevents that steering axle body surface from receiving the pollution and leading to corroding, has improved the protectiveness of steering axle body and axle bed, has increased life, makes steering axle body and axle bed more durable.

Description

Wheel steering shaft with good protection

Technical Field

The utility model relates to the technical field of universal wheel steering shafts, in particular to a wheel steering shaft with good protection.

Background

The universal wheel is a so-called movable castor wheel, which is structured to allow a 360 degree horizontal rotation. Casters are a generic term and include movable casters and fixed casters. The fixed castor has no rotating structure and can not rotate horizontally but only vertically. The two casters are commonly matched, for example, the handcart has a structure that two fixed wheels are arranged at the front and two movable universal wheels are arranged at the rear and close to the pushing handrail. And the core of the steering of the universal wheel is a wheel steering shaft.

When the existing universal wheel steering shaft moves on the rugged ground, the wheel steering shaft is easy to impact, the service life is reduced, the steering shaft is easy to deform, the surface is easy to pollute, and therefore the surface of the wheel steering shaft is corroded.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the wheel steering shaft with good protection performance, which comprises an outer cylinder, a movable rod, a spring, a fixed sleeve and a rubber sleeve, so that when a pulley moves on the rugged ground, the impact force born by a shaft seat and a steering shaft body is reduced through the movement of the movable rod on the inner wall of the outer cylinder and the deformation of the spring, the shaft seat and the steering shaft body are not easy to damage, meanwhile, the strength of the steering shaft body is increased through the arrangement of a plurality of fixed sleeves, the corrosion caused by the pollution on the surface of the steering shaft body is prevented through the arrangement of the rubber sleeve, the protection performance of the steering shaft body and the shaft seat is improved, the service life is prolonged, and the like.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the wheel steering shaft with good protection comprises a pulley, a mounting frame, a steering shaft body, a shaft seat, a bearing, a cover body, an oil conveying port, a sealing cover, an outer cylinder, a movable rod, a spring, a conical cover, a fixed sleeve and a rubber sleeve;

the installation rack is characterized in that the inner wall of the installation rack is provided with a pulley, the top surface of the installation rack is provided with a shaft seat, the inner wall of the shaft seat is provided with a steering shaft body, the top surface of the shaft seat is provided with a conical cover, the top surface of the conical cover is provided with a cover body, and the surface of the cover body is provided with an oil conveying port.

Preferably, mounting holes are formed in two sides of the inner wall of the mounting frame respectively, connecting shafts are arranged at the middle ends of two sides of the pulleys respectively, the pulley connecting shafts are sleeved on the mounting hole of the inner wall of the mounting frame, a shaft seat is fixedly mounted on the top surface of the mounting frame, and one end of the steering shaft body is sleeved on the inner wall of the shaft seat.

Through above-mentioned technical scheme for the pulley can roll in the mounting bracket mounting hole, and the accessible steering spindle body turns to with the axle bed cooperation when removing.

Preferably, the axle bed top surface fixed mounting has the toper cover, toper cover top surface and bottom surface all are equipped with the opening, toper cover top surface fixed mounting has the cover body, cover body top surface is equipped with the opening, and top surface opening inner wall fixed mounting has the bearing, bearing inner wall and steering spindle body arc fixed surface connection, cover body bottom surface is equipped with the opening, cover body top surface one end is equipped with the oil delivery port, oil delivery port arc surface is equipped with the screw thread, and threaded connection has sealed lid.

Through above-mentioned technical scheme for can follow defeated oil port to cover the inside transport lubricating oil of internal portion, when flowing to the toper cover inner wall, because its toper design makes lubricating oil can receive gravity inflow axle bed and steering spindle body between, lubricate, the accessible sealed lid seals after ending, and the setting up of bearing makes the cover body can not influence the steering spindle body.

Preferably, the steering shaft body top surface fixedly connected with movable rod, the movable rod arc surface is equipped with two spacing respectively, the urceolus inner wall is equipped with two spacing grooves respectively, the urceolus is inserted to movable rod one end, and spacing inserts spacing groove, spring one end and urceolus inner wall top surface fixed connection, the spring other end and movable rod top surface fixed connection.

Through the technical scheme, when the pulley moves on the rugged ground, the impact force born by the shaft seat and the steering shaft body is reduced through the movement of the movable rod on the inner wall of the outer cylinder and the deformation of the spring, so that the pulley is not easy to damage.

Preferably, a plurality of fixing sleeves are fixedly arranged on the arc-shaped surface of the steering shaft body, the fixing sleeves are metal rings, and rubber sleeves are fixedly arranged on the arc-shaped surface of the fixing sleeves.

Through above-mentioned technical scheme for the intensity of steering spindle body has been increased in the setting of a plurality of fixed covers, and the setting of rethread rubber sleeve prevents that steering spindle body surface from receiving the pollution and leading to corroding, has improved the protectiveness of steering spindle body and axle bed.

Compared with the prior art, the utility model provides the wheel steering shaft with good protection, which has the following beneficial effects:

1. according to the utility model, the outer cylinder, the movable rod, the spring, the fixed sleeve and the rubber sleeve are arranged, so that when the pulley moves on the rugged ground, the impact force on the shaft seat and the steering shaft body is reduced by the movement of the movable rod on the inner wall of the outer cylinder and the deformation of the spring, the shaft seat and the steering shaft body are not easy to damage, meanwhile, the strength of the steering shaft body is increased by arranging the fixed sleeves, the corrosion caused by pollution on the surface of the steering shaft body is prevented by arranging the rubber sleeve, the protection of the steering shaft body and the shaft seat is improved, and the service life is prolonged.

2. According to the utility model, the conical cover, the cover body, the oil delivery port and the sealing cover are arranged, so that lubricating oil can be delivered from the oil delivery port to the inside of the cover body, and when the lubricating oil flows to the inner wall of the conical cover, the lubricating oil can flow between the shaft seat and the steering shaft body by gravity for lubrication due to the conical design of the conical cover, and the lubricating oil can be sealed by the sealing cover after the lubricating oil is finished.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional front view of the structure of the present utility model;

FIG. 3 is a schematic front cross-sectional view of the outer barrel of the present utility model.

Wherein: 1. a wheel steering shaft; 2. a pulley; 3. a mounting frame; 4. a steering shaft body; 5. a shaft seat; 6. a bearing; 7. a cover body; 8. an oil delivery port; 9. sealing cover; 10. an outer cylinder; 11. a movable rod; 12. a spring; 13. a conical cover; 14. a fixed sleeve; 15. a rubber sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a wheel steering shaft with good protection performance comprises a wheel steering shaft 1, wherein the wheel steering shaft 1 comprises a pulley 2, a mounting frame 3, a steering shaft body 4, a shaft seat 5, a bearing 6, a cover body 7, an oil delivery port 8, a sealing cover 9, an outer cylinder 10, a movable rod 11, a spring 12, a conical cover 13, a fixed sleeve 14 and a rubber sleeve 15;

the mounting bracket 3 inner wall is equipped with pulley 2, and mounting bracket 3 top surface is equipped with axle bed 5, and axle bed 5 inner wall is equipped with steering spindle body 4, and axle bed 5 top surface is equipped with toper cover 13, and toper cover 13 top surface is equipped with the cover body 7, and cover body 7 surface is equipped with oil transfer port 8.

Specifically, mounting holes are respectively formed in two sides of the inner wall of the mounting frame 3, connecting shafts are respectively arranged at the middle ends of two sides of the pulley 2, the connecting shafts of the pulley 2 are sleeved on the mounting holes of the inner wall of the mounting frame 3, the shaft seat 5 is fixedly mounted on the top surface of the mounting frame 3, and one end of the steering shaft body 4 is sleeved on the inner wall of the shaft seat 5. The advantage is, makes pulley 2 can roll in mounting bracket 3 mounting hole, and the accessible steering spindle body 4 and axle bed 5 cooperation turn to when removing.

Specifically, axle bed 5 top surface fixed mounting has toper cover 13, and toper cover 13 top surface and bottom surface all are equipped with the opening, and toper cover 13 top surface fixed mounting has cover body 7, and cover body 7 top surface is equipped with the opening, and top surface opening inner wall fixed mounting has bearing 6, bearing inner wall and steering shaft body 4 arc fixed surface connection, cover body 7 bottom surface is equipped with the opening, and cover body 7 top surface one end is equipped with oil delivery port 8, and oil delivery port 8 arc surface is equipped with the screw thread, and threaded connection has sealed lid 9. The advantage is, makes can follow defeated oil port 8 to cover the inside transport lubricating oil of body 7, when flowing to conical cover 13 inner wall, because its toper design makes lubricating oil can flow into between axle bed 5 and the steering spindle body 4 by gravity, lubricates, and the accessible sealed lid 9 seals after the end, and the setting up of bearing 6 makes cover body 7 can not influence steering spindle body 4.

Specifically, the steering shaft body 4 is fixedly connected with the movable rod 11 on the top surface, two limiting bars are respectively arranged on the arc-shaped surface of the movable rod 11, two limiting grooves are respectively arranged on the inner wall of the outer cylinder 10, one end of the movable rod 11 is inserted into the outer cylinder 10, the limiting bars are inserted into the limiting grooves, one end of the spring 12 is fixedly connected with the top surface of the inner wall of the outer cylinder 10, and the other end of the spring 12 is fixedly connected with the top surface of the movable rod 11. The pulley has the advantages that when the pulley 2 moves on the rugged ground, the impact force applied to the shaft seat 5 and the steering shaft body 4 can be reduced through the movement of the movable rod 11 on the inner wall of the outer cylinder 10 and the deformation of the spring 12, so that the pulley is not easy to damage.

Specifically, a plurality of fixed sleeves 14 are fixedly arranged on the arc-shaped surface of the steering shaft body 4, the fixed sleeves 14 are metal rings, and rubber sleeves 15 are fixedly arranged on the arc-shaped surface of the fixed sleeves 14. The advantage is for the setting of a plurality of fixed sleeves 14 has increased the intensity of steering spindle body 4, and rethread rubber sleeve 15's setting prevents that steering spindle body 4 surface from receiving the pollution and leading to the corruption, has improved the protectiveness of steering spindle body 4 and axle bed 5.

When the device is used, the top surface of the outer cylinder 10 is fixedly connected with the bottom surface of the device to be moved, so that the device can move through the pulley 2, the pulley can turn to the shaft seat 5 through the steering shaft body 4, when the pulley 2 moves on the rugged ground, the impact force born by the shaft seat 5 and the steering shaft body 4 is reduced through the movement of the movable rod 11 on the inner wall of the outer cylinder 10 and the deformation of the spring 12, the device is not easy to damage, the strength of the steering shaft body 4 is increased through the arrangement of the fixed sleeves 14, the surface of the steering shaft body 4 is prevented from being polluted to cause corrosion through the arrangement of the rubber sleeve 15, and when lubrication is needed, the lubricating oil can be conveyed from the oil conveying port 8 to the inside of the cover body 7, and when the lubricating oil flows to the inner wall of the conical cover 13, the lubricating oil can flow between the shaft seat 5 and the steering shaft body 4 due to the conical design, the lubricating is carried out, the sealing can be carried out through the sealing cover 9 after the lubricating is finished, and the cover body 7 cannot influence the steering shaft body 4 due to the arrangement of the bearing 6.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wheel steering axle that protectiveness is good, includes wheel steering axle (1), its characterized in that: the wheel steering shaft (1) comprises a pulley (2), a mounting frame (3), a steering shaft body (4), a shaft seat (5), a bearing (6), a cover body (7), an oil delivery port (8), a sealing cover (9), an outer cylinder (10), a movable rod (11), a spring (12), a conical cover (13), a fixed sleeve (14) and a rubber sleeve (15);

the novel steering shaft comprises a mounting frame (3), wherein a pulley (2) is arranged on the inner wall of the mounting frame (3), a shaft seat (5) is arranged on the top surface of the mounting frame (3), a steering shaft body (4) is arranged on the inner wall of the shaft seat (5), a conical cover (13) is arranged on the top surface of the shaft seat (5), a cover body (7) is arranged on the top surface of the conical cover (13), and an oil conveying port (8) is arranged on the surface of the cover body (7).

2. A well-protected wheel steering shaft according to claim 1, characterized in that: the novel steering shaft comprises a mounting frame (3), wherein mounting holes are formed in two sides of the inner wall of the mounting frame (3), connecting shafts are arranged at the middle ends of two sides of a pulley (2), the connecting shafts of the pulley (2) are sleeved on the mounting holes of the inner wall of the mounting frame (3), an axle seat (5) is fixedly arranged on the top surface of the mounting frame (3), and one end of a steering shaft body (4) is sleeved on the inner wall of the axle seat (5).

3. A well-protected wheel steering shaft according to claim 1, characterized in that: the utility model discloses a steering shaft, including axle bed (5), bearing, oil transportation mouth, bearing inner wall and steering shaft body (4) arc fixed surface, cover (7) bottom surface is equipped with the opening, cover (7) top surface one end is equipped with oil transportation mouth (8), oil transportation mouth (8) arc surface is equipped with the screw thread, and threaded connection has sealed lid (9).

4. A well-protected wheel steering shaft according to claim 1, characterized in that: the steering shaft comprises a steering shaft body (4), wherein a movable rod (11) is fixedly connected to the top surface of the steering shaft body (4), two limiting grooves are respectively formed in the arc-shaped surface of the movable rod (11), two limiting grooves are respectively formed in the inner wall of an outer cylinder (10), one end of the movable rod (11) is inserted into the outer cylinder (10), the limiting grooves are respectively formed in the limiting grooves, one end of a spring (12) is fixedly connected with the top surface of the inner wall of the outer cylinder (10), and the other end of the spring (12) is fixedly connected with the top surface of the movable rod (11).

5. A well-protected wheel steering shaft according to claim 1, characterized in that: the steering shaft comprises a steering shaft body (4), wherein a plurality of fixing sleeves (14) are fixedly arranged on the arc-shaped surface of the steering shaft body, the fixing sleeves (14) are metal rings, and rubber sleeves (15) are fixedly arranged on the arc-shaped surface of the fixing sleeves (14).