CN219529551U - Transmission shaft with simplified installation - Google Patents

Abstract

The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft with simplified installation, which comprises a shaft rod, wherein first threaded holes are symmetrically formed in two sides of the shaft rod, cross universal joints are symmetrically arranged in two sides of the shaft rod, second threaded holes are symmetrically formed in two cross universal joint surfaces in a penetrating mode, the cross universal joints are fixedly connected with an inner groove of an outer ring of the outer ring, so that when the transmission shaft is used, the included angle between connected parts can be allowed to change within a certain range on the premise of not affecting power, fifth threaded holes are symmetrically formed in the surface of each protection cover in a penetrating mode, telescopic rubber sleeves are clamped between each locking clamp, and then double round nuts can be screwed on an outer ring connecting shaft.

Description

Transmission shaft with simplified installation

Technical Field

The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft with simplified installation.

Background

The drive shaft is a rotating body with high rotation speed and less support, so that the dynamic balance of the drive shaft is important. The dynamic balance test is carried out on the common transmission shaft before delivery, and the dynamic balance test is adjusted on a balancing machine. For front engine rear wheel drive vehicles, the transmission rotation is transmitted to the axle of the main speed reducer, which can be in several sections, and the sections can be connected by universal joints.

But current partial transmission shaft is usually fixed the endless clamp of no ear when flexible gum cover, and endless clamp of no ear is comparatively firm when fixed gum cover presss from both sides tightly, but needs to use special pneumatic callipers, and the cost is higher and comparatively troublesome, and it is useless to report when the assembly more easily, can cause certain wasting of resources, and current transmission shaft links to each other through the tire shaft coupling when being connected with the tire in general moreover, because the use cost of tire shaft coupling is higher for the double round nut, and it is comparatively troublesome to need fix a plurality of bolts when the installation.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a transmission shaft with simplified installation.

In order to solve the technical problems, the utility model provides the following technical scheme: the novel cross universal joint comprises a shaft rod, wherein first threaded holes are symmetrically formed in two sides of the shaft rod, cross universal joints are symmetrically arranged in two sides of the shaft rod, second threaded holes are symmetrically formed in the surfaces of the cross universal joints in a penetrating mode, first screws are arranged in the second threaded holes in a threaded mode, each first screw is respectively arranged in the second threaded holes and the first threaded holes in a threaded mode, outer rings are arranged on the side walls of the two cross universal joints, outer ring inner grooves are formed in the two outer rings, and one sides of the two cross universal joints are fixedly arranged in the outer ring inner grooves;

clamping devices are symmetrically sleeved on the surfaces of the shaft rod and the outer ring;

the clamping device comprises locking hoops, the surfaces of each locking hoop are symmetrically penetrated with third threaded holes, and the surfaces of each locking hoop are symmetrically provided with fourth threaded holes.

As a preferable technical scheme of the utility model, each fourth threaded hole is positioned below the third threaded hole, and a second screw is arranged in each fourth threaded hole in a threaded manner.

As a preferable technical scheme of the utility model, a first nut is sleeved on the surface of each second screw, a protective cover is arranged at the lower end part of each locking clamp, and a fifth threaded hole is symmetrically threaded on the surface of each protective cover.

As a preferable technical scheme of the utility model, a third screw is arranged in each fifth threaded hole in a threaded manner, and each third screw is respectively arranged in the third threaded hole and the fifth threaded hole in a threaded manner.

As a preferable technical scheme of the utility model, the surface of each third screw is sleeved with a second nut, a telescopic rubber sleeve is clamped between each locking clamp, outer ring connecting shafts are fixedly arranged on the side walls of two outer rings, and rectangular splines are fixedly arranged on the surfaces of the two outer ring connecting shafts.

As a preferable technical scheme of the utility model, the surfaces of the two outer ring connecting shafts are fixedly provided with the check rings, the two check rings are positioned on one side of the outer ring, and the surfaces of the two outer ring connecting shafts are sleeved with the double round nuts.

Compared with the prior art, the utility model has the following beneficial effects:

firstly, when the transmission shaft is installed, a first screw is screwed inwards in a second threaded hole and a first threaded hole, and because the first screw is in threaded connection between the second threaded hole and the first threaded hole, and a shaft lever is in threaded connection with a cross universal joint which is fixedly connected with an inner groove of an outer ring in the outer ring, the included angle between connected parts can be allowed to change within a certain range under the premise of not influencing power when the transmission shaft is used;

secondly, the second nut on the third screw can be rotated until the second nut is attached to the protective cover, so that the cross universal joint can not be corroded by external sand and dust when the transmission shaft is used, dust and rust are prevented, the outer ring is fixedly connected with the outer ring connecting shaft, rectangular splines are fixedly arranged on the surface of the outer ring connecting shaft, and the double round nuts can bear large axial force and are normally arranged on the transmission shaft and the tire through the tire coupling, so that the cost can be reduced to a certain extent, and the installation is easier.

Drawings

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

FIG. 2 is a schematic view of a three-dimensional exploded structure of the present utility model;

FIG. 3 is a schematic diagram of the connecting explosion structure of the telescopic rubber sleeve of the utility model;

fig. 4 is a schematic view of the connection explosion structure of the outer ring connection shaft of the present utility model.

Wherein: 11. a shaft lever; 12. a first threaded hole; 13. a cross universal joint; 14. a second threaded hole; 15. a first screw; 16. an outer ring; 17. an outer ring inner groove; 18. locking the clamp; 19. a third threaded hole; 21. a fourth threaded hole; 22. a second screw; 23. a first nut; 24. a protective cover; 25. a fifth threaded hole; 26. a third screw; 27. a second nut; 28. a flexible rubber sleeve; 29. an outer ring connecting shaft; 31. rectangular spline; 32. a retainer ring; 33. a double round nut.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the transmission shaft with simplified installation comprises a shaft lever 11, wherein first threaded holes 12 are symmetrically formed on two sides of the shaft lever 11, cross universal joints 13 are symmetrically arranged on two sides of the shaft lever 11, second threaded holes 14 are symmetrically formed on the surfaces of the two cross universal joints 13 in a penetrating manner, first screws 15 are arranged in the second threaded holes 14 in a threaded manner, because the first screws 15 are in threaded connection between the second threaded holes 14 and the first threaded holes 12, the cross universal joints 13 are fixedly connected with outer ring inner grooves 17 in an outer ring 16 through the threaded connection of the shaft lever 11, and therefore when the transmission shaft is used, the included angle between connected parts can be allowed to be changed within a certain range under the condition that power is not affected, each first screw 15 is respectively and in the second threaded holes 14 and the first threaded holes 12, outer ring inner grooves 17 are formed in the inner walls of the two cross universal joints 13, and one sides of the two cross universal joints 13 are fixedly arranged in the outer ring inner grooves 17;

clamping devices are symmetrically sleeved on the surfaces of the shaft rod 11 and the outer ring 16;

the clamping device comprises locking hoops 18, the surface of each locking hoop 18 is symmetrically penetrated and provided with a third threaded hole 19, the surface of each locking hoop 18 is symmetrically provided with a fourth threaded hole 21, each fourth threaded hole 21 is positioned below the corresponding third threaded hole 19, a second screw 22 is arranged in each fourth threaded hole 21 in a threaded manner, a first nut 23 is sleeved on the surface of each second screw 22, the lower end part of each locking hoop 18 is provided with a protective cover 24, the surface of each protective cover 24 is symmetrically threaded and penetrated and provided with a fifth threaded hole 25, the interior of each fifth threaded hole 25 is internally provided with a third screw 26, a second nut 27 on the third screw 26 can be rotated until the second nut 27 is jointed with the protective cover 24, so that the cross universal joint 13 can not be corroded by external sand dust and rust when the transmission shaft is used, each third screw 26 is respectively arranged in the third threaded hole 19 and the fifth threaded hole 25 in a threaded manner, a second nut 27 is sleeved on the surface of each third screw 26, a telescopic rubber sleeve 28 is clamped between each locking clamp 18, outer ring connecting shafts 29 are fixedly arranged on the side walls of two outer rings 16, rectangular splines 31 are fixedly arranged on the surfaces of the two outer ring connecting shafts 29, check rings 32 are fixedly arranged on the surfaces of the two outer ring connecting shafts 29, the two check rings 32 are respectively arranged on one side of the outer rings 16, double round nuts 33 are sleeved on the surfaces of the two outer ring connecting shafts 29, then the double round nuts 33 can be screwed on the outer ring connecting shafts 29 until the double round nuts 33 are tightly attached to a tire, and because the installation of the double round nuts 33 can bear large axial force, and the installation of a transmission shaft and the tire is usually carried out through a tire coupling, the cost can be reduced to a certain extent, and is easier to install.

Working principle:

the first step: during installation, first screws 15 are firstly screwed inwards in second threaded holes 14 and first threaded holes 12, because first screws 15 are in threaded connection between second threaded holes 14 and first threaded holes 12, because shaft rod 11 is in threaded connection with cross universal joint 13, and cross universal joint 13 is fixedly connected with outer ring inner groove 17 in outer ring 16, when a transmission shaft is used, the included angle between connected parts can be allowed to change within a certain range under the premise of not influencing power, then two ends of telescopic rubber sleeve 28 are respectively put into shaft rod 11 on one side and locking clamp 18 on outer ring 16, then first nuts 23 can be screwed on second screws 22 until locking clamp 18 is attached to telescopic rubber sleeve 28.

And a second step of: the second nut 27 on the third screw 26 can be rotated until the second nut 27 is attached to the protective cover 24, so that the cross universal joint 13 can not be corroded by external sand and dust when the transmission shaft is used, not only is dust-proof and rust-proof, but also the cost can be reduced to a certain extent because the outer ring 16 is fixedly connected with the outer ring connecting shaft 29, and the rectangular spline 31 is fixedly arranged on the surface of the outer ring connecting shaft 29, so that the connection stress is uniform when the transmission shaft is used, larger load can be born, then the internally splined tire can be put into the rectangular spline 31, and then the double round nut 33 can be rotated on the outer ring connecting shaft 29 until the tire is attached, and because the double round nut 33 can bear large axial force, and the transmission shaft and the tire are usually arranged through the tire coupling, the transmission shaft can be reduced in cost to a certain extent, and the installation is easy.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a transmission shaft of installation simplification, includes axostylus axostyle (11), first screw hole (12) have all been seted up to axostylus axostyle (11) both sides symmetry, axostylus axostyle (11) bilateral symmetry is provided with cross universal joint (13), two second screw hole (14) have all been run through to cross universal joint (13) surface symmetry, every first screw (15) are installed to inside equal screw thread of second screw hole (14), its characterized in that: each first screw (15) is respectively and spirally arranged in a second threaded hole (14) and a first threaded hole (12), an outer ring (16) is arranged on the side wall of each cross universal joint (13), an outer ring inner groove (17) is arranged in each outer ring (16), and one side of each cross universal joint (13) is fixedly arranged in each outer ring inner groove (17);

clamping devices are symmetrically sleeved on the surfaces of the shaft rod (11) and the outer ring (16);

the clamping device comprises locking hoops (18), wherein third threaded holes (19) are symmetrically formed in the surfaces of the locking hoops (18) in a penetrating mode, and fourth threaded holes (21) are symmetrically formed in the surfaces of the locking hoops (18).

2. A transmission shaft with simplified installation as claimed in claim 1, characterised in that each of said fourth threaded holes (21) is located under a respective third threaded hole (19), and that a second screw (22) is threadedly installed inside each of said fourth threaded holes (21).

3. The transmission shaft with simplified installation according to claim 2, wherein a first nut (23) is sleeved on the surface of each second screw (22), a protective cover (24) is arranged at the lower end of each locking clamp (18), and a fifth threaded hole (25) is symmetrically threaded through the surface of each protective cover (24).

4. A transmission shaft with simplified installation according to claim 3, characterized in that a third screw (26) is screwed into each of the fifth threaded holes (25), each third screw (26) being screwed into each of the third threaded holes (19) and the fifth threaded holes (25).

5. The transmission shaft with simplified installation according to claim 4, wherein a second nut (27) is sleeved on the surface of each third screw (26), a telescopic rubber sleeve (28) is clamped between each locking clamp (18), an outer ring connecting shaft (29) is fixedly installed on the side wall of each outer ring (16), and rectangular splines (31) are fixedly installed on the surfaces of the outer ring connecting shafts (29).

6. The transmission shaft with simplified installation according to claim 5, wherein the surfaces of the two outer ring connecting shafts (29) are fixedly provided with check rings (32), the two check rings (32) are positioned on one side of the outer ring (16), and the surfaces of the two outer ring connecting shafts (29) are sleeved with double round nuts (33).