CN212615985U

CN212615985U - Low-noise drum-type flat shaft head constant-speed three-fork universal joint

Info

Publication number: CN212615985U
Application number: CN202021378064.2U
Authority: CN
Inventors: 董樟玉
Original assignee: Jiangxi Tianyun Electronic Technology Co ltd
Current assignee: Jiangxi Tianyun Electronic Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-26
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a trident universal joint technical field specifically is a low noise drum-type flat spindle nose constant speed trident universal joint, including bulb and loop bar, the activity chamber has been seted up out in the bulb, loop bar left end outer wall encircles and cuts a hole and has wavy spacing line, spacing line nestification has the freely movable joint, loop bar outer wall nestification has the seal cover, the seal cover is located the right-hand of spacing line. The utility model discloses a setting of seal cover because the bulb right side is dug out the spacing groove, and freely movable joint is located bulb internalization chamber, and in the normal use of trident universal joint, outside dust granule gets into the activity intracavity through the clearance between freely movable joint and the spacing inslot easily, through the nestification of seal cover for the seal cover corresponds the spacing groove, makes outside dust granule be difficult to get into the activity intracavity, avoids causing the joint activity to appear blocking, and is not in the same direction as smooth, is convenient for go on lubricating oil.

Description

Low-noise drum-type flat shaft head constant-speed three-fork universal joint

Technical Field

The utility model relates to a trident universal joint technical field specifically is a low noise drum-type flat spindle nose constant speed trident universal joint.

Background

The tripod constant velocity universal joint is also called a triangular universal joint and is mainly composed of a tripod assembly and an outer ball seat. The outer ball seat and the outer half shaft with the external spline are manufactured into a whole, and three curved surface grooves are formed in the inner surface of the outer ball seat to form a roller path of the roller.

The existing patent (publication number is CN 208719178U) and low noise drum-type flat axle head constant velocity trident universal joint, this patent can increase the rotation pivot angle of trident universal joint, and the noise is little, simple structure, convenient to use, but its freely movable joint department outside dust gets into easily, causes the joint activity to appear blockking, and is not smooth and easy.

Therefore, the low-noise drum-type flat shaft head constant-speed three-fork universal joint is provided, so that the phenomenon that external dust enters a movable joint to cause the joint to move to be blocked and unsmooth is avoided, and lubricating oil is conveniently fed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise drum-type flat spindle nose constant velocity trident universal joint, the problem that proposes in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise drum-type flat spindle nose constant velocity trident universal joint, includes bulb and loop bar, the activity chamber has been seted up in the bulb, loop bar left end outer wall encircles and cuts a hole and has wavy spacing line, spacing line nestification has the freely movable joint, loop bar outer wall nestification has the seal cover, the seal cover is located the right-hand of spacing line.

As an optimal implementation mode of the utility model, the movable joint outer wall is evenly fixed with the movable tooth of three groups, the movable tooth outer wall nestification has the loose axle.

As an optimal implementation mode of the utility model, the loop bar right-hand member welding has the gag lever post.

As a preferred embodiment of the present invention, the movable joint is located in the movable cavity.

As a preferred embodiment of the utility model, the bulb right side is excavated with the spacing groove that leaks hopper-shaped.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a low noise drum-type flat spindle nose constant speed trident universal joint, setting through the seal cover, because the bulb right side is dug out the spacing groove, and freely movable joint is located bulb internalization chamber, in the trident universal joint in normal use, outside dust granule gets into the activity intracavity through the clearance between freely movable joint and the spacing inslot easily, through the nestification of seal cover, make the seal cover correspond the spacing groove, make outside dust granule be difficult to get into the internalization intracavity, avoid causing the joint activity to appear blockking, not in order, be convenient for go on lubricating oil.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the low-noise drum-type flat spindle nose constant velocity three-fork universal joint of the present invention;

fig. 2 is the structural schematic diagram of the low-noise drum-type flat shaft head constant-speed three-fork universal joint of the present invention.

In the figure: 1. a ball head; 2. a movable joint; 3. limiting lines; 4. a loop bar; 5. sealing sleeves; 6. a limiting rod; 7. a limiting groove; 8. a movable cavity; 9. a movable gear; 10. a movable shaft.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a low noise drum-type flat spindle nose constant velocity trident universal joint, includes bulb 1 and loop bar 4, movable chamber 8 has been dug out in the

bulb

1, 4 left end outer walls of loop bar encircle to dig and have wavy spacing line 3, 3 nestings of spacing line have freely

movable joint

2, 4 outer walls of loop bar nestings have seal cover 5, seal cover 5 is located the right-hand of spacing line 3.

In the embodiment, please refer to fig. 1 and fig. 2, since the right side of the ball head 1 is provided with the limiting groove 7, and the movable joint is located in the movable cavity 8 in the ball head 1, in the normal use process of the three-fork universal joint, external dust particles easily enter the movable cavity 8 through the gap between the movable joint 2 and the limiting groove 7, and the sealing sleeve 5 corresponds to the limiting groove 7 through the nesting of the sealing sleeve 5, so that the external dust particles are difficult to enter the movable cavity 8, thereby preventing the joint from being blocked and unsmooth in movement and facilitating the lubricating oil feeding.

Three groups of movable teeth 9 are uniformly fixed on the outer wall of the movable joint 2, and movable shafts 10 are nested on the outer wall of each movable tooth 9.

In this embodiment, referring to fig. 1, movable teeth 9 are uniformly fixed on the outer wall of the movable joint 2, so that the outer wall of the movable teeth 9 is nested in the movable shaft 10.

Wherein, the right end of the loop bar 4 is welded with a limiting rod 6.

In this embodiment, please refer to fig. 1, a limiting rod 6 is fixedly connected to the right end of the loop bar 4.

Wherein the movable joint 2 is positioned in the movable cavity 8.

In this embodiment, please refer to fig. 2, a limiting rod 6 is welded at the right end of the loop bar 4.

Wherein, the right side of the ball head 1 is provided with a funnel-shaped limiting groove 7.

In the embodiment, referring to fig. 1, a funnel-shaped limiting groove 7 is cut on the right side of the ball head 1, and the limiting groove 7 which is inclined inwards can increase the universal range of motion.

It should be noted that, the structure and principle of the low noise drum flat shaft head constant velocity three-fork universal joint of the present invention can be known by technical manual or conventional experimental method, in the idle place of the present device, all the electric devices, which refer to power components, electric devices, adaptive monitoring computer and power supply, are connected by wires, and the specific connection means, in the following working principle, the electric devices complete electric connection in sequence, the detailed connection means is known in the art, the following main description of working principle and process is not described in electric control, when a drying device for producing impregnated bond paper is used, the structure and principle can be known by technical manual or conventional experimental method, because the right side of the ball head 1 is chiseled with a limit groove 7 during working, the movable joint is positioned in a movable cavity 8 in the ball head 1, in the normal use process of the three-fork universal joint, external dust particles easily enter the movable cavity 8 through a gap between the movable joint 2 and the limiting groove 7, and the sealing sleeve 5 corresponds to the limiting groove 7 through nesting of the sealing sleeve 5, so that the external dust particles are difficult to enter the movable cavity 8.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low noise drum-type flat spindle nose constant velocity trident universal joint, includes bulb (1) and loop bar (4), its characterized in that: offer movable chamber (8) in bulb (1), loop bar (4) left end outer wall encircles and opens and has wavy spacing line (3), spacing line (3) nestification has freely movable joint (2), loop bar (4) outer wall nestification has seal cover (5), seal cover (5) are located the right-hand of spacing line (3).

2. The low noise drum spade stub shaft constant velocity three-pronged universal joint according to claim 1 wherein: the outer wall of the movable joint (2) is uniformly fixed with three groups of movable teeth (9), and the outer wall of each movable tooth (9) is nested with a movable shaft (10).

3. The low noise drum spade stub shaft constant velocity three-pronged universal joint according to claim 1 wherein: the right end of the loop bar (4) is welded with a limiting rod (6).

4. The low noise drum spade stub shaft constant velocity three-pronged universal joint according to claim 1 wherein: the movable joint (2) is positioned in the movable cavity (8).

5. The low noise drum spade stub shaft constant velocity three-pronged universal joint according to claim 1 wherein: the right side of the ball head (1) is provided with a funnel-shaped limiting groove (7).