CN217842441U - Novel universal elastic coupling - Google Patents

Abstract

The utility model relates to an universal coupling technical field just discloses a novel universal elastic coupling, including the connecting rod, first coupling head sets up at the left end of connecting rod, and the connecting axle piece sets up at the left end of connecting rod, and lubricated mechanism sets up in the inside of connecting axle piece, and lubricated mechanism includes first locating pin. The utility model discloses a with oiling mouth of pipe butt on the ball, support the inside of oiling chamber with the ball, carry out the oiling through oiling pipe to the inside in oiling chamber this moment, the epaxial through first pinhole injection of its injected lubricating oil, take out the oiling pipe after the completion, the butt can be under the effort of spring on the oiling mouth this moment ball, when the shaft coupling rotates, its inside lubricating oil can get into under the effect of centrifugal force in first pinhole and the second pinhole, lubricate the outer wall of first locating pin and round pin axle respectively, thereby reduce and rotate the phenomenon that connection structure received wearing and tearing easily, universal elastic coupling's life has been improved.

Description

Novel universal elastic coupling

Technical Field

The utility model relates to an universal joint technical field specifically is a novel universal resilient coupling.

Background

The universal coupling utilizes the characteristics of the mechanism thereof to ensure that the two shafts are not on the same axis, can realize the continuous rotation of the two connected shafts under the condition of an included angle of the axes and reliably transmit torque and motion, and has the biggest characteristics of larger angular compensation capability, compact structure, high transmission efficiency, different clamping angles of the two shafts of the universal coupling with different structural types, generally between 5 degrees and 45 degrees.

In the use of elasticity universal joint, because output shaft and input shaft are not coplanar for rotation connection structure in the elasticity universal joint receives wearing and tearing easily, and most elasticity universal joint on the existing market can't lubricate the shaft coupling when using, lead to elasticity universal joint's life to reduce, have improved use cost, cause certain waste.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme:

a novel universally resilient coupling comprising:

a connecting rod;

the first coupling head is arranged at the left end of the connecting rod;

the connecting shaft block is arranged at the left end of the connecting rod;

the lubricating mechanism is arranged inside the connecting shaft block;

a lubrication mechanism comprising:

the first positioning pin is inserted in the connecting shaft block;

the oil injection cavity is formed in the first positioning pin;

the limiting ring is fixedly arranged inside the oil injection cavity;

the limiting groove is formed in the upper surface of the limiting ring;

the spring is arranged inside the limiting groove;

and the ball is arranged in the oil injection cavity, and the upper end of the spring abuts against the bottom of the ball.

Preferably, the upper end fixed mounting of first locating pin is on first coupling head, spacing hole has been seted up to the upper surface of first locating pin, the inside in spacing hole is run through to the upper end of ball, can avoid the ball to be released by the spring through the setting in spacing hole and annotate the oil pocket, and the setting in spacing hole can make things convenient for the pouring into of lubricating oil simultaneously.

Preferably, the right-hand member of connecting rod is provided with the second and allies oneself with the spindle nose, the inside lower extreme of connecting the axle piece is pegged graft and is had the second locating pin, can improve the stability between first allies oneself with spindle nose and the connecting axle piece through the setting of second locating pin.

Preferably, the upper surface of the connecting shaft block is provided with a first pin hole, the lower end of the first positioning pin is inserted into the first pin hole, and the first positioning pin can be conveniently inserted into the connecting shaft block through the first pin hole.

Preferably, a second pin hole is formed in the connecting shaft block, the second pin hole is communicated with the first pin hole, a pin shaft is inserted into the second pin hole, two ends of the pin shaft are fixedly arranged in the left end of the connecting rod, and the connecting rod and the connecting shaft block can be conveniently connected through the pin shaft.

Preferably, the slot has been seted up to the upper surface of first shaft head, the inside embedding of slot has the rubber snap ring, the last fixed surface of rubber snap ring is connected with the sheet rubber, can play the guard action to the last port edge in oiling chamber through the setting of sheet rubber.

The utility model provides a novel universal elastic coupling. The method has the following beneficial effects:

(1) The utility model discloses a with oiling mouth of pipe butt on the ball, support the inside in oiling chamber with the ball, carry out the oiling through oiling pipe to the inside in oiling chamber this moment, its lubricating oil of pouring into can pour into the round pin epaxially into through first pinhole, take out oiling pipe after the completion, the ball can butt under the effort of spring on the oiling mouth this moment, when the shaft coupling rotates, its inside lubricating oil can get into under the effect of centrifugal force in first pinhole and the second pinhole, lubricate the outer wall of first locating pin and round pin axle respectively, thereby reduce and rotate the phenomenon that connection structure received wearing and tearing easily, universal elastic coupling's life has been improved.

(2) The utility model discloses a setting sets up the sheet rubber at the back of first antithetical couplet spindle nose, can avoid the phenomenon that dust impurity appears around the ball, plays the guard action to lubricated mechanism, when needing lubricated oiling, with the sheet rubber take off can, further improved universal elastic coupling's practicality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the connecting shaft block of the present invention;

fig. 3 is a schematic sectional view of the first positioning pin of the present invention;

in the figure: 1. a connecting rod; 2. a lubricating mechanism; 201. a first locating pin; 202. an oil injection cavity; 203. a limiting ring; 204. a limiting groove; 205. a spring; 206. a ball bearing; 3. a first coupling head; 4. connecting the shaft block; 5. a first pin hole; 6. a rubber sheet; 7. a rubber snap ring; 8. inserting slots; 9. a pin shaft; 10. a second coupling head; 11. a second pin hole; 12. and a second positioning pin.

Detailed Description

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a novel universal elastic coupling, including connecting rod 1, first shaft head 3 sets up the left end at connecting rod 1, connecting shaft piece 4 sets up the left end at connecting rod 1, lubricated mechanism 2 sets up the inside at connecting shaft piece 4, lubricated mechanism 2 includes first locating pin 201, first locating pin 201 is pegged graft in the inside of connecting shaft piece 4, the inside at first locating pin 201 is seted up in oiling chamber 202, spacing ring 203 fixed mounting is in the inside of oiling chamber 202, the upper surface at spacing ring 203 is seted up to spacing groove 204, spring 205 sets up the inside at spacing groove 204, ball 206 sets up the inside at oiling chamber 202, and spring 205's upper end butt is in the bottom of ball 206.

The upper end fixed mounting of first locating pin 201 is on first shaft head 3, spacing hole has been seted up to the upper surface of first locating pin 201, the inside in spacing hole is run through to the upper end of ball 206, can avoid ball 206 to be released by spring 205 and annotate oil pocket 202 through the setting in spacing hole, the setting in spacing hole can make things convenient for the pouring into of lubricating oil simultaneously, the right-hand member of connecting rod 1 is provided with second shaft head 10, the inside lower extreme of connecting shaft piece 4 is pegged graft and is had second locating pin 12, can improve the stability between first shaft head 3 and the connecting shaft piece 4 through the setting of second locating pin 12, first pinhole 5 has been seted up to the upper surface of connecting shaft piece 4, the lower extreme of first locating pin 201 is pegged graft in the inside of first pinhole 5, can make things convenient for first locating pin 201 to insert the inside of connecting shaft piece 4 through the setting of first pinhole 5, second pinhole 11 has been seted up in the inside of connecting shaft piece 4, second pinhole 11 communicates with each other with first pinhole 5, the inside of second pinhole 11 has peg graft 9, the both ends fixed mounting of connecting pin 9 is all inside the left end of connecting rod 1, it can make things convenient for connecting shaft piece to connect with the connecting rod 4 through the setting of round pin.

In this embodiment, through with oiling mouth of pipe butt on ball 206, with the inside of oiling chamber 202 to ball 206, carry out the oiling through oiling pipe to the inside of oiling chamber 202 this moment, its injected lubricating oil can be injected into round pin axle 9 through first pinhole 5 on, take out the oiling pipe after the completion, ball 206 can butt under spring 205's effort on the oiling mouth this moment, when the shaft coupling rotates, its inside lubricating oil can get into under the effect of centrifugal force in first pinhole 5 and second pinhole 11, lubricate first locating pin 201 and round pin axle 9's outer wall respectively, thereby reduce the phenomenon that the rotation connection structure received wearing and tearing easily, universal elastic coupling's life has been improved.

The second embodiment:

as shown in fig. 1-3, on the basis of the first embodiment, the utility model provides a technical solution: slot 8 has been seted up to the upper surface of first shaft head 3, and the inside embedding of slot 8 has rubber snap ring 7, and the last fixed surface of rubber snap ring 7 is connected with sheet rubber 6, can play the guard action to the upper port edge in oiling chamber 202 through setting up of sheet rubber 6.

In this embodiment, the rubber sheet 6 is arranged on the back of the first coupling head 3, so that the phenomenon of dust and impurities around the ball 206 can be avoided, the protection effect on the lubricating mechanism 2 is achieved, and when lubrication and oil injection are needed, the rubber sheet 6 can be taken down, and the practicability of the universal elastic coupling is further improved.

When the universal elastic coupling is used, the mouth of the oil filling pipe is abutted to the ball 206, the ball 206 is abutted to the inside of the oil filling cavity 202, the oil is filled into the inside of the oil filling cavity 202 through the oil filling pipe, the injected lubricating oil can be injected onto the pin shaft 9 through the first pin hole 5, the oil filling pipe is drawn out after the oil filling is completed, the ball 206 is abutted to the oil filling mouth under the action of the spring 205, and when the coupling rotates, the internal lubricating oil can enter the first pin hole 5 and the second pin hole 11 under the action of centrifugal force to lubricate the outer walls of the first positioning pin 201 and the pin shaft 9 respectively, so that the phenomenon that the rotary connecting structure is easily abraded is reduced, and the service life of the universal elastic coupling is prolonged; set up sheet rubber 6 through setting up at the back of first shaft head 3, can avoid appearing dust impurity's phenomenon around ball 206, play the guard action to lubricated mechanism 2, when needing lubricated oiling, with sheet rubber 6 take off can, further improved universal elastic coupling's practicality.

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 (6)

1. A novel universal elastic coupling, characterized by comprising:

a connecting rod (1);

the first coupling head (3) is arranged at the left end of the connecting rod (1);

the connecting shaft block (4) is arranged at the left end of the connecting rod (1);

a lubricating mechanism (2) arranged inside the connecting shaft block (4);

lubricating mechanism (2) comprising:

the first positioning pin (201) is inserted into the connecting shaft block (4);

the oil injection cavity (202) is formed in the first positioning pin (201);

the limiting ring (203) is fixedly arranged inside the oil injection cavity (202);

a limit groove (204) which is arranged on the upper surface of the limit ring (203);

a spring (205) disposed inside the stopper groove (204);

and a ball (206) disposed inside the oil injection chamber (202), wherein the upper end of the spring (205) abuts against the bottom of the ball (206).

2. A novel universally resilient coupling according to claim 1, wherein: the upper end fixed mounting of first locating pin (201) is on first shaft head (3), spacing hole has been seted up to the upper surface of first locating pin (201), the inside in spacing hole is run through to the upper end of ball (206).

3. A novel universal resilient coupling according to claim 1, wherein: the right end of the connecting rod (1) is provided with a second coupling shaft head (10), and the lower end of the inner part of the connecting shaft block (4) is spliced with a second positioning pin (12).

4. A novel universal resilient coupling according to claim 1, wherein: the upper surface of the connecting shaft block (4) is provided with a first pin hole (5), and the lower end of the first positioning pin (201) is inserted into the first pin hole (5).

5. A novel universal resilient coupling according to claim 4, wherein: a second pin hole (11) is formed in the connecting shaft block (4), the second pin hole (11) is communicated with the first pin hole (5), a pin shaft (9) is inserted into the second pin hole (11), and two ends of the pin shaft (9) are fixedly mounted inside the left end of the connecting rod (1).

6. A novel universally resilient coupling according to claim 1, wherein: slot (8) have been seted up to the upper surface of first shaft head (3), the inside embedding of slot (8) has rubber snap ring (7), the last fixed surface of rubber snap ring (7) is connected with sheet rubber (6).

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