CN216131228U

CN216131228U - High-protection driving shaft

Info

Publication number: CN216131228U
Application number: CN202121769350.6U
Authority: CN
Inventors: 石玮
Original assignee: Suzhou Weijia Precision Machinery Co ltd
Current assignee: Suzhou Weijia Precision Machinery Co ltd
Priority date: 2021-08-01
Filing date: 2021-08-01
Publication date: 2022-03-25
Anticipated expiration: 2031-08-01

Abstract

The utility model provides a driving shaft with high protection, which relates to the technical field of driving shaft equipment and comprises the following components: the gangbar, the surface of gangbar is fixed respectively and is provided with protection depressurization mechanism and spacing grafting mechanism, rubber protection ring and ground contact differential deformation, with planar form and ground contact, make the whole difficult emergence of device remove and other outside articles bump, when installation device, the height that outwards expands with rubber protection ring is greater than the diameter that bears the weight of organism inner wall, make rubber protection ring remove towards supporting the lantern ring inner wall, and compress the spring between the two, the thrust that the spring produced, hug closely the inner surface at the organism with the outer wall of rubber protection ring, and then reduce the inside space of organism, it is serious to reduce the direct and ground contact of tooth part and cause surface wear through above-mentioned condition, then the another side carries out spacing sheltering from through spacing fender ring, and then the phenomenon that the external gear of prevention device in the process of using takes place to drop.

Description

High-protection driving shaft

Technical Field

The utility model relates to the technical field of driving shaft equipment, in particular to a driving shaft with high protection performance.

Background

The shaft is a cylindrical object which is penetrated in the middle of a bearing or a wheel or a gear, but is also a small part of a square, and the shaft is a mechanical part which supports a rotating part and rotates together with the 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 torsional rigidity check of the shaft is the calculated torsional deformation amount of the shaft during working, and is measured by the torsional angle of the shaft length per meter, the torsional deformation of the shaft influences the performance and the working precision of the machine, and if the torsional angle of a camshaft of an internal combustion engine is too large, the correct opening and closing time of an air valve is influenced; the torsion angle of a transmission shaft of a movement mechanism of the gantry crane can influence the synchronism of the driving wheels; a greater torsional stiffness is required for shafts at risk of torsional vibrations, as well as for shafts in steering systems.

The existing driving shaft plays a great role in mechanical carrier equipment and is mainly used for transmission and working in the internal part of an internal combustion engine, but after the driving shaft of the existing device is produced and finished, the driving shaft or the driven shaft needs to be stored in an unused process, and in the process, driving teeth or driven teeth on the outer wall of the shaft are higher than the height of the main rod, so that the teeth are directly contacted with the ground to cause serious surface abrasion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the prior art does not well protect a structure arranged on a shaft body, so that abrasion damage is caused.

In order to achieve the purpose, the utility model adopts the following technical scheme: a highly protective driveshaft comprising: the outer surface of the linkage rod is respectively and fixedly provided with a protective pressure reduction mechanism and a limiting grafting mechanism;

protection step-down mechanism is used for placing the in-process to effectively protecting external structure to equipment before the installation, wherein: including two initiative rings, two a set of internal joint groove has all been seted up to the outer wall both sides of initiative ring gear every, and forms independent ring body in the middle of every internal joint groove of group, and the relative one side of every ring body has all been seted up a set of power hole of unloading, annular A has been seted up to the surface of gangbar, annular A's the fixed cover of interior table wall is equipped with the bearing, the outer table wall fixed cover of bearing is equipped with the support lantern ring, the activity is provided with two rubber protection rings between the inner wall both sides of the support lantern ring.

Preferably, two the surface of every of initiative ring gear all welds a set of external tooth, the outer wall of gangbar has the welding of one side of keeping away from initiative ring gear to have the external connection spline.

Preferably, the outer surface of the supporting lantern ring is provided with a plurality of round holes, half of the round holes are distributed into one group according to the number, and a spring is fixedly arranged between the inner wall of each half group of round holes and the inner surface wall of one of the rubber protection rings.

Preferably, the limiting grafting mechanism is used for installing an external gear, and the phenomenon of falling off on the surface of the mechanism is prevented in the process of working, wherein: including annular B, the fixed cover of interior table wall of annular B is equipped with the metal connecting ring.

Preferably, the fixed cover of surface of metal connecting ring is equipped with solid fixed ring, the welding of one side that external connection spline was kept away from to solid fixed ring's outer wall has spacing fender ring, the welding of one side that initiative ring gear was kept away from to spacing fender ring's outer wall has a plurality of metal inserted blocks.

Preferably, the inner surface walls of the two driving toothed rings are fixedly sleeved on the outer surface of the linkage rod, and the ring groove B is formed in the outer surface of the linkage rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, the diameter of the two are far larger than that of the linkage rod, so that the device is firstly contacted with the ground or the surface of bearing equipment in the placing process, the external teeth on the driving toothed ring are easy to deform and damage due to the excessive force applied by an operator in the stacking process, the adjusting structure contained on the surface of the external connecting spline can also deviate in size to reduce the installation precision, the rubber protecting ring is contacted with the ground to deform and is contacted with the ground in a plane form, so that the whole device is not easy to move and collide with other external objects, when the device is installed, the outward extending height of the rubber protecting ring is larger than the diameter of the inner wall of the bearing machine body, so that the rubber protecting ring moves towards the inner wall of the supporting sleeve ring and compresses the spring between the two, and the reverse thrust generated by the spring tightly attaches the outer wall of the rubber protecting ring to the inner surface of the machine body, further reducing the gap in the machine body, increasing the stability, and reducing the serious surface abrasion caused by the direct contact between the tooth part and the ground through the above conditions.

2. According to the device, the external gear is aligned to a groove body formed between every two metal insertion blocks through a fixing mechanism in the external gear and is arranged on the surface of the fixing ring, when the device rotates, one surface of the device is shielded by the organic shell, and the other surface of the device is shielded in a limiting mode through the limiting blocking ring, so that the phenomenon that the external gear falls off in the using process of the device is avoided.

Drawings

FIG. 1 is a schematic perspective view of a high-protection driving shaft according to the present invention;

FIG. 2 is a perspective view of the high protective drive shaft of FIG. 1 from above;

FIG. 3 is a perspective view of an enlarged structure of part A in FIG. 1 illustrating a high protective driving shaft according to the present invention.

Illustration of the drawings: 1. a linkage rod; 2. a protective pressure reducing mechanism; 21. a driving gear ring; 22. an interconnecting slot; 23. force unloading holes; 24. external connection teeth; 25. the outside is connected with a spline; 26. a ring groove A; 27. a bearing; 28. a support collar; 29. a circular hole; 210. a spring; 211. a rubber protection ring; 3. a limiting grafting mechanism; 31. a ring groove B; 32. a metal connecting ring; 33. a fixing ring; 34. a limit stop ring; 35. and (4) a metal insert block.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, the present invention provides a high-protectiveness driving shaft, comprising: the outer surfaces of the linkage rod 1 and the linkage rod 1 are respectively and fixedly provided with a protective pressure reduction mechanism 2 and a limiting grafting mechanism 3.

The specific arrangement and function of the protective pressure reduction mechanism 2 and the limit grafting mechanism 3 are described in detail below.

As shown in fig. 1 to 3, the protective pressure reduction mechanism 2 is used for effectively protecting an external structure during the placement process of equipment before installation, wherein: comprises two driving gear rings 21, a group of internal connecting grooves 22 are respectively arranged on the two sides of the outer wall of each driving gear ring 21, an independent ring body is formed in the middle of each group of internal connecting grooves 22, one group of force unloading holes 23 is formed in one side opposite to each ring body, a ring groove A26 is formed in the outer surface of the linkage rod 1, a bearing 27 is fixedly sleeved on the inner surface wall of the ring groove A26, a support sleeve ring 28 is fixedly sleeved on the outer surface wall of the outer shaft of the bearing 27, two rubber protection rings 211 are movably arranged between two sides of the inner wall of the support sleeve ring 28, a group of external connecting teeth 24 are welded on the outer surface of each of the two driving teeth rings 21, an external connecting spline 25 is welded on one side, away from the driving teeth 21, of the outer wall of the linkage rod 1, a plurality of circular holes 29 are formed in the outer surface of the support sleeve ring 28, one half of the plurality of circular holes 29 are distributed into one group according to the number, and a spring 210 is fixedly arranged between the inner wall of each half group of the round holes 29 and the inner surface wall of one of the rubber protection rings 211.

The whole protection pressure reducing mechanism 2 achieves the effect that after the device is produced in a factory and needs to be stored, the device comprises the linkage rod 1, but the connecting structure on the linkage rod 1 comprises a driving toothed ring 21 and an external connecting spline 25, the diameter of the driving toothed ring 21 and the external connecting spline 25 are far larger than that of the linkage rod 1, so that the device is firstly contacted with the ground or the surface of bearing equipment in the placing process, the external teeth 24 on the driving toothed ring 21 are easily deformed and damaged due to excessive force applied by an operator in the stacking process, the adjusting structure contained on the surface of the external connecting spline 25 can be subjected to size deviation to reduce the installation precision, the rubber protection ring 211 on the support sleeve ring 28 is firstly contacted with the ground in the whole process, the rubber protection ring 211 is contacted with the ground and deformed due to better elasticity of rubber materials and larger friction force between the rubber protection ring and the ground according to the influence of the weight of the device, the rubber protection ring 211 is extended outwards to a height larger than the diameter of the inner wall of a bearing machine body when the device is installed, so that the rubber protection ring 211 moves towards the inner wall of the support sleeve ring 28 and compresses the spring 210 between the rubber protection ring and the support sleeve ring, the reverse thrust generated by the spring 210 tightly attaches the outer wall of the rubber protection ring 211 to the inner surface of the machine body, further the gap inside the machine body is reduced, the stability is improved, and the condition is adopted to reduce the serious surface abrasion caused by the direct contact between the tooth part and the ground.

As shown in fig. 1-2, the limit grafting mechanism 3 is used for installing an external gear, and prevents the falling-off phenomenon on the surface of the mechanism in the process of working, wherein: including annular B31, the fixed cover of interior table wall of annular B31 is equipped with metal connecting ring 32, metal connecting ring 32's external fixed surface cover is equipped with solid fixed ring 33, one side welding that external connection spline 25 was kept away from to solid fixed ring 33's outer wall has limit stop ring 34, one side welding that initiative ring gear 21 was kept away from to limit stop ring 34's outer wall has a plurality of metal inserted blocks 35, the equal fixed cover of interior table wall of two initiative ring gears 21 is established at the surface of gangbar 1, annular B31 is seted up at the surface of gangbar 1.

The effect that its whole spacing grafting mechanism 3 reached does, at the in-process of installation external gear, through the inside fixed establishment of external gear, aims at the cell body that forms between every metal inserted block 35 with it to install at solid fixed ring 33 on the surface, when the device is at the pivoted in-process, one side has the organic shell to shelter from, then the another side carries out spacing sheltering from through spacing fender ring 34, and then the phenomenon that the external gear takes place to drop in the in-process that prevents the device use.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A driving shaft with high protection performance is characterized in that: the method comprises the following steps: the outer surface of the linkage rod (1) is respectively and fixedly provided with a protective pressure reduction mechanism (2) and a limiting grafting mechanism (3);

protection pressure-reducing mechanism (2) are including two initiative rings (21), two a set of internal joint groove (22) has all been seted up to the outer wall both sides of initiative rings (21) every, and forms independent ring body in the middle of every internal joint groove (22), and a set of power hole (23) of unloading has all been seted up to relative one side of every ring body, annular A (26) have been seted up to the surface of gangbar (1), the interior table wall fixed cover of annular A (26) is equipped with bearing (27), the outer table wall fixed cover of bearing (27) is equipped with the support sleeve ring body (28), the activity is provided with two rubber protection rings (211) between the inner wall both sides of the support sleeve body (28).

2. A highly protective axle shaft according to claim 1 wherein: two a set of external tooth (24) have all been welded to the surface of initiative ring gear (21) every, one side welding that initiative ring gear (21) was kept away from to the outer wall of gangbar (1) has external connection spline (25).

3. A highly protective axle shaft according to claim 1 wherein: the outer surface of the supporting sleeve ring (28) is provided with a plurality of round holes (29), the round holes (29) are divided into a group in a half-distribution mode according to the number, and springs (210) are fixedly installed between the inner wall of each half-group of round holes (29) and the inner surface wall of one rubber protection ring (211).

4. A highly protective axle shaft according to claim 1 wherein: spacing grafting mechanism (3) are including annular B (31), the fixed cover of interior table wall of annular B (31) is equipped with metal connecting ring (32).

5. A highly protective driveshaft according to claim 4 further characterised in that: the outer fixed surface cover of metal connecting ring (32) is equipped with solid fixed ring (33), one side welding that the outer wall of solid fixed ring (33) kept away from external connection spline (25) has spacing fender ring (34), one side welding that initiative ring gear (21) was kept away from to the outer wall of spacing fender ring (34) has a plurality of metal inserted blocks (35).

6. A highly protective driveshaft according to claim 5 further characterised in that: two the surface wall is all fixed cover and is established at the surface of gangbar (1) in the interior table wall of initiative ring gear (21), the surface at gangbar (1) is seted up in annular B (31).