CN218480076U

CN218480076U - Large-diameter oil seal high-torsion-resistance universal joint

Info

Publication number: CN218480076U
Application number: CN202222918695.4U
Authority: CN
Inventors: 周东升
Original assignee: Hangzhou Donray Machinery Co ltd
Current assignee: Hangzhou Donray Machinery Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-02-14
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a high antitorque universal joint of major diameter oil blanket relates to universal joint technical field. Including the universal joint body, the universal joint body includes four spindle noses, the spindle nose sets up respectively top, bottom, the both ends of universal joint body, the outside of spindle nose is provided with the axle sleeve, the outside of axle sleeve is provided with fixed establishment, fixed establishment includes the inner ring, the inner ring sets up the outside of axle sleeve, the outside of inner ring is provided with the outer loop, the outside of outer loop is provided with the lantern ring, the outside both ends fixedly connected with linking arm of the lantern ring. The utility model discloses a set up the inner ring in the outside of axle sleeve, set up the outer loop in the outside of inner ring, contact with lantern ring inboard through the outer loop outside, like this when the universal joint is bearing great pressure, through setting up the linking arm between the two lantern rings, can protect the universal joint like this, from avoiding the universal joint to take place distortion, cause the damage of universal joint.

Description

Large-diameter oil seal high-torsion-resistance universal joint

Technical Field

The utility model relates to a universal joint technical field specifically is a high antitorque universal joint of major diameter oil blanket.

Background

The universal joint comprises cross axle and bearing, thereby the bearing cup joints the effect that universal rotation was realized on the cross axle, and the bearing generally is needle bearing, and general bearing uses after passing through the retaining ring is spacing.

The universal joint assembly with the oil seal mechanism disclosed in the publication No. CN202545624U solves the problems of reduction of service life and product quality caused by poor flexibility in the universal joint.

When the universal joint bears large pressure in the actual use process, the universal joint is difficult to protect, so that the universal joint is twisted and deformed, and the universal joint is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high antitorque universal joint of major diameter oil blanket to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high antitorque universal joint of major diameter oil blanket, includes the cross universal joint body, the cross universal joint body includes four spindle noses, the spindle nose sets up respectively top, bottom, both ends of cross universal joint body, the outside of spindle nose is provided with the axle sleeve, the outside of axle sleeve is provided with fixed establishment, fixed establishment includes the inner ring, the inner ring sets up the outside of axle sleeve, the outside of inner ring is provided with the outer loop, the outside of outer loop is provided with the lantern ring, the outside both ends fixedly connected with linking arm of the lantern ring.

Preferably, the outer side of the inner ring is provided with a circumferential groove, the inner side of the outer ring is provided with a circumferential groove, the outer side of the inner ring and the inner side of the outer ring are provided with a plurality of balls, and the groove on the outer side of the inner ring and the groove on the inner side of the outer ring are matched with the balls.

Preferably, the outer side of the outer ring is provided with a groove, one end of the top of the outer ring is provided with a round hole, and a plug is arranged at the round hole.

Preferably, a clamp spring is arranged at the bottom of the shaft head, an oil seal is arranged at one end, close to the clamp spring, of the shaft head, a plurality of rolling needles are arranged on the periphery of the circumference of the top of the oil seal, and the outer sides of the rolling needles are in contact with the inner side of the shaft sleeve.

Preferably, the clamp spring is a carbon spring steel block with a gap formed in one cylindrical side, and the oil seal is located above the clamp spring.

Preferably, the connecting arms and the lantern rings are connected in a pairwise cross mode, the connecting arms are trapezoidal metal plates, and the outer side of the outer ring is in contact with the inner side of the lantern ring.

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

this kind of high antitorque universal joint of major diameter oil blanket sets up the inner ring through the outside at the axle sleeve, sets up the outer loop in the outside of inner ring, contacts through the outer loop outside and lantern ring inboard, like this when the universal joint is bearing great pressure, through the linking arm that sets up between the two lantern rings, can protect the universal joint like this, from avoiding the universal joint to take place distortion, causes the damage of universal joint.

This kind of high antitorque universal joint of major diameter oil blanket sets up the ball through the recess department at inner ring outside groove and outer loop inboard, and the outer loop passes through the ball like this and can rotates around the inner ring, has improved the flexibility of this universal joint like this.

Drawings

Fig. 1 is a schematic diagram of a side structure of a universal joint of the present invention;

fig. 2 is a schematic structural view of the universal joint of the present invention;

fig. 3 is a schematic structural view of the rotating mechanism of the present invention.

In the figure: 1. a cross-pin universal joint body; 101. a shaft head; 102. rolling needles; 103. a shaft sleeve; 104. a clamp spring; 105. oil sealing; 2. a fixing mechanism; 201. a collar; 202. a plug; 203. a ball bearing; 204. a connecting arm; 205. an outer ring; 206. a circular hole; 207. an inner ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship indicated based on the drawings, which is only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, e.g., the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

The universal joint is a machine part for realizing variable-angle power transmission, and the device can not protect the universal joint when the universal joint bears larger pressure in the actual use process, so that the universal joint is distorted and deformed to cause the damage of the universal joint.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a high antitorque universal joint of major diameter oil blanket, including universal joint body 1, universal joint body 1 includes four spindle nose 101, spindle nose 101 sets up the top at universal joint body 1 respectively, the bottom, both ends, the outside of spindle nose 101 is provided with axle sleeve 103, the outside of axle sleeve 103 is provided with fixed establishment 2, fixed establishment 2 includes inner ring 207, inner ring 207 sets up the outside at axle sleeve 103, the outside of inner ring 207 is provided with outer loop 205, the outside of outer loop 205 is provided with lantern ring 201, the outside both ends fixedly connected with connecting arm 204 of lantern ring 201, through setting up inner ring 207 in the outside of axle sleeve 103, set up outer loop 205 in the outside of inner ring 207, contact with lantern ring 201 inboard through the outer loop 205 outside, like this when the universal joint is bearing great pressure, through the connecting arm 204 that sets up between two lantern rings 201, can protect the universal joint like this, from avoiding the universal joint to take place the distortion, cause the damage of universal joint.

The circumference's recess has been seted up in the outside of inner ring 207, the circumference's recess has been seted up to the inboard of outer loop 205, the inboard of the inner ring 207 outside and outer loop 205 is provided with a plurality of ball 203, the recess in the inner ring 207 outside, the inboard recess and the ball 203 looks adaptation of outer loop 205, through set up ball 203 in inner ring 207 outside groove and the inboard groove of outer loop 205, outer loop 205 can rotate around inner ring 207 through ball 203 like this, the flexibility of this universal joint has been improved like this.

The outside of outer loop 205 is seted up flutedly, and the round hole 206 has been seted up to the one end at outer loop 205 top, and round hole 206 department is provided with stopper 202, and the staff is through taking out stopper 202, through the inside lubricating oil that injects into of the round hole 206 of outer loop 205 one end to outer loop 205, can make the universal joint carry out better function like this.

The bottom of the shaft head 101 is provided with a clamp spring 104, one end, close to the clamp spring 104, of the shaft head 101 is provided with an oil seal 105, a plurality of roller pins 102 are arranged on the periphery of the top of the oil seal 105, the outer sides of the roller pins 102 are in contact with the inner side of the shaft sleeve 103, and the shaft sleeve 103 can rotate around the roller pins 102 by the aid of the plurality of roller pins 102 arranged on the periphery of the top of the oil seal 105, so that the flexibility of the universal joint is improved.

The clamp spring 104 is a carbon spring steel block with a gap formed in one cylindrical side, the oil seal 105 is located above the clamp spring 104, and the clamp spring 104 is arranged at the bottom of the shaft head 101, so that the position of the shaft head 101 can be fixed, and the stability of the shaft head 101 is improved.

Two liang of cross connection of linking arm 204 and lantern ring 201, linking arm 204 are trapezoidal metal sheet, and the outside of outer loop 205 and the inboard of the lantern ring 201 contact, through linking arm 204 with two liang of cross connection of lantern ring 201, linking arm 204 can protect the universal joint like this, from avoiding the universal joint to take place distortion, causes the damage of universal joint.

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

Claims

1. The utility model provides a high antitorque universal joint of major diameter oil blanket, includes cross axle universal joint body (1), its characterized in that: the universal joint is characterized in that the universal joint body (1) comprises four shaft heads (101), the shaft heads (101) are arranged at the top, the bottom and the two ends of the universal joint body (1) respectively, the shaft sleeves (103) are arranged outside the shaft heads (101), fixing mechanisms (2) are arranged outside the shaft sleeves (103), each fixing mechanism (2) comprises an inner ring (207), the inner rings (207) are arranged outside the shaft sleeves (103), outer rings (205) are arranged outside the inner rings (207), a sleeve ring (201) is arranged outside the outer rings (205), and connecting arms (204) are fixedly connected to the two ends of the sleeve ring (201).

2. A large diameter oil-sealed high torsion resistant universal joint according to claim 1, wherein: the outer side of the inner ring (207) is provided with a circumferential groove, the inner side of the outer ring (205) is provided with a circumferential groove, the outer sides of the inner ring (207) and the outer ring (205) are provided with a plurality of balls (203), and the groove in the outer side of the inner ring (207) and the groove in the inner side of the outer ring (205) are matched with the balls (203).

3. A large diameter oil-sealed high torsion resistant universal joint according to claim 1, wherein: the outer side of the outer ring (205) is provided with a groove, one end of the top of the outer ring (205) is provided with a round hole (206), and a plug (202) is arranged at the round hole (206).

4. A large diameter oil-sealed high torsion resistant universal joint according to claim 1, wherein: the clamping spring (104) is arranged at the bottom of the shaft head (101), an oil seal (105) is arranged at one end, close to the clamping spring (104), of the shaft head (101), a plurality of rolling needles (102) are arranged on the periphery of the top of the oil seal (105) in the circumferential direction, and the outer sides of the rolling needles (102) are in contact with the inner side of the shaft sleeve (103).

5. A large diameter oil-sealed high torsion resistant universal joint according to claim 4, wherein: the clamp spring (104) is a cylindrical carbon spring steel block with a notch formed in one side, and the oil seal (105) is located above the clamp spring (104).

6. A large diameter oil sealed high torsion resistant universal joint according to claim 1, wherein: the connecting arms (204) are connected with the lantern ring (201) in a pairwise crossing mode, the connecting arms (204) are trapezoid metal plates, and the outer side of the outer ring (205) is in contact with the inner side of the lantern ring (201).