CN217455574U

CN217455574U - Higher distance rod of intensity

Info

Publication number: CN217455574U
Application number: CN202221614859.8U
Authority: CN
Inventors: 傅运军; 柳尧辉; 孙立胜; 高鹏
Original assignee: Yantai Chenyu Auto Parts Co ltd
Current assignee: Yantai Chenyu Auto Parts Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-20
Anticipated expiration: 2032-06-24

Abstract

The application relates to a higher thrust rod of intensity, it includes the body of rod. The ball pin is characterized in that connecting ball seats are arranged at two ends of the rod body, pin penetrating holes are formed in the connecting ball seats, elastic sleeves are arranged in the pin penetrating holes, bearing sleeves are arranged in the elastic sleeves, ball pins are rotatably connected in the bearing sleeves and comprise ball heads and connecting rods, the connecting rods are arranged on two sides of the ball heads, a plurality of annular convex edges are arranged on the inner annular surfaces of the elastic sleeves, and the annular convex edges are elastic. When the thrust rod is impacted by external force, the annular convex edges can deform and invade gaps on two sides of the annular convex edges, so that the buffer effect is achieved, the impact resistance of the thrust rod is improved, and the improvement of the strength of the thrust rod is facilitated.

Description

Higher distance rod of intensity

Technical Field

The application relates to the field of automobile parts, in particular to a thrust rod with higher strength.

Background

The thrust rod plays a role in positioning and force transmission between an axle and a frame in a multi-shaft driving system, on one hand, the driving force of an engine is transmitted to wheels through the frame suspension thrust rod and the axle to push the wheels to rotate so as to drive a vehicle to run, and on the other hand, the thrust rod transmits the resistance, the friction force and the centripetal force of the ground to the wheels to the frame through the axle, the thrust rod and the suspension.

In the related art, as disclosed in chinese patent publication No. CN104908550A, a thrust rod is disclosed, in which a surface of the thrust rod, at which snap springs are installed, is designed to be threaded, and a housing is provided corresponding to the threaded surface, an inner cavity of the housing is threaded, and the housing is rotated to compress a torsion rubber sleeve.

According to the related technology, the thrust rod is installed on a chassis of a heavy truck, the thrust rod can be subjected to axial force in the running process of the heavy truck, and the ball pin and the bearing sleeve in the thrust rod can be frequently subjected to impact force, so that the service life of the ball pin and the bearing sleeve is influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce bearing housing and ball round pin and receive the impact force, improve the intensity of distance rod, this application provides the higher distance rod of intensity.

The application provides a higher thrust bar of intensity adopts following technical scheme:

the high-strength thrust rod comprises a rod body, wherein connecting ball seats are arranged at two ends of the rod body, pin penetrating holes are formed in the connecting ball seats, elastic sleeves are arranged in the pin penetrating holes, bearing sleeves are arranged in the elastic sleeves, ball pins are rotatably connected in the bearing sleeves and comprise ball heads and connecting rods, the connecting rods are arranged on two sides of the ball heads, a plurality of annular convex edges are arranged on the annular surfaces in the elastic sleeves, and the annular convex edges have elasticity.

Through adopting above-mentioned technical scheme, when the distance rod received external force and assaulted, annular bead can take place to warp and invade to its both sides space to play the effect of buffering, improve the impact resistance of distance rod, be favorable to improving the intensity of distance rod.

Optionally, a lubricating oil storage tank is arranged on the inner annular surface of the bearing sleeve.

Through adopting above-mentioned technical scheme, the emollient storage tank can make emollient distribution more even to reduce the frictional force between bulb and the bearing housing, make the bulb rotate more smoothly in the bearing housing.

Optionally, an oil injection channel is formed in the side surface of the connecting ball seat, a first oil inlet is formed in the lubricating oil storage tank, a second oil inlet is formed in the elastic sleeve, and the first oil inlet and the second oil inlet can be communicated with the oil injection channel.

By adopting the technical scheme, the lubricating oil is injected into the lubricating oil storage tank on the inner ring surface of the bearing sleeve through the oil injection channel, so that the ball head and the bearing sleeve rotate more flexibly, and the friction loss is reduced.

Optionally, the oil injection channel is located at an end opening of the outer side surface of the connecting ball seat and is recessed inwards to form a groove, and an oil cup is arranged in the groove.

By adopting the technical scheme, the oil cup is used for injecting oil into the oil injection channel, the use is convenient and fast, the lubrication degree of the ball head between the bearing sleeves can be ensured, and the friction loss is reduced.

Optionally, a cross-shaped convex block is fixedly arranged on the outer annular surface of the bearing sleeve, and a cross-shaped clamping groove matched with the cross-shaped convex block is formed between the annular convex edges on the inner annular surface of the elastic sleeve.

By adopting the technical scheme, the bearing sleeve and the elastic sleeve are conveniently in limited connection through the cross convex block and the cross clamping groove, and the first oil inlet and the second oil inlet are conveniently communicated in an aligning manner.

Optionally, the elastic sleeve is made of a polyurethane material.

Through adopting above-mentioned technical scheme, the elastic sleeve has good elasticity and anti extrudeing nature, plays the buffering guard action to the ball round pin.

Optionally, the outer annular surface of the elastic sleeve is provided with a plurality of protrusions, and the inner annular surface of the pin through hole is provided with a plurality of clamping grooves matched with the protrusions.

Through adopting above-mentioned technical scheme, restricted elastic sleeve and the ascending relative movement of connection ball seat in elastic sleeve axial and circumference, be favorable to making the connection of elastic sleeve and connection ball seat more firm.

Optionally, end covers are arranged at two ends of the connecting ball seat, an elastic ring edge is arranged on the outer wall of each end cover, an annular groove matched with the elastic ring edge is formed in the inner annular surface of the connecting ball seat, and the elastic ring edge can be clamped into the annular groove.

Through adopting above-mentioned technical scheme, the end cover can effectively block parts such as damage ball round pin in dust, steam etc. entering connection ball seat.

Optionally, the rod body is connected with the connecting ball seat through hot riveting.

Through adopting above-mentioned technical scheme, will connect the ball seat and link to each other with the body of rod through hot riveting mode, be favorable to thrust rod bulk strength to increase, weight reduction, be favorable to reducing the processing cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the oil injection channel, lubricating oil is conveniently injected into the lubricating oil storage tank on the inner ring surface of the bearing sleeve, so that the ball head and the bearing sleeve can rotate more flexibly, and the friction loss can be reduced;

2. through the setting of annular bead, cushion between bearing housing and the elastic sleeve, improve distance rod's impact resistance, be favorable to improving distance rod's intensity.

Drawings

Fig. 1 is a schematic view of the internal structure of a thrust rod having high strength.

FIG. 2 is a schematic diagram of a relatively strong thrust rod showing the connection of the parts within the connection tee.

Fig. 3 is a schematic view showing an internal structure of a coupling ball seat in a high-strength thrust rod.

Description of reference numerals: 1. a rod body; 2. connecting a ball seat; 21. a pin hole is penetrated; 22. a card slot; 23. an oil injection channel; 24. a groove; 25. an oil cup; 26. an annular groove; 3. an elastic sleeve; 31. a protrusion; 32. a convex edge; 33. a second oil inlet; 4. a bearing housing; 41. a lubricating oil reservoir; 42. a first oil inlet; 43. a cross-shaped bump; 5. a ball pin; 51. a ball head; 52. a connecting rod; 53. a through hole; 54. connecting grooves; 6. an end cap; 61. an elastic ring edge; 62. and connecting the clamping edges.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a thrust rod with high strength.

The utility model provides a higher thrust bar of intensity, as shown in figure 1, includes the body of rod 1, and the body of rod 1 is cylindric body of rod structure, and body of rod 1 inner wall cavity, body of rod 1 both ends are connected with connection ball seat 2 through hot riveting mode. The strength of the thrust rod is improved, the thrust rod is prevented from deforming after being extruded, the service life of the thrust rod is prolonged, the overall weight of the thrust rod is reduced, and the processing cost is reduced.

As shown in fig. 2, a pin hole 21 has been opened on the connecting ball seat 2, an elastic sleeve 3 made of polyurethane material is provided in the pin hole 21, the elastic sleeve 3 has symmetrical open-ended hollow spheres for opposite sides, the outer annular surface of the elastic sleeve 3 is spherical and matched with the pin hole 21, the inner annular surface is cylindrical, a bearing sleeve 4 is installed in the elastic sleeve 3, the bearing sleeve 4 has symmetrical open-ended hollow cylinders for opposite sides, the outer annular surface of the elastic sleeve 3 is provided with a plurality of protrusions 31, the inner annular surface of the pin hole 21 is provided with a plurality of slots 22 matched with the protrusions 31, a plurality of annular ribs 32 are provided on the inner annular surface of the elastic sleeve 3, and the annular ribs 32 have elasticity. Draw-in groove 22 has restricted elastic sleeve 3 axial and ascending relative movement in circumference in connecting ball seat 2 with arch 31, is favorable to making elastic sleeve 3 more firm with being connected ball seat 2's connection, and elastic sleeve 3 has good elasticity and anti extrudability, and when the distance rod received external force and assaulted, annular bead 32 can take place to warp and invade to its both sides space to play the effect of buffering, improve the impact resistance of distance rod.

As shown in fig. 2, a cross-shaped protrusion 43 is fixedly disposed on the outer circumferential surface of the bearing sleeve 4, and a cross-shaped slot matched with the cross-shaped protrusion 43 is disposed between the annular ribs 32 on the inner circumferential surface of the elastic sleeve 3. The bearing sleeve 4 and the elastic sleeve 3 are conveniently in limit connection through the cross-shaped convex blocks 43 and the cross-shaped clamping grooves, and the bearing sleeve 4 is limited from moving in the elastic sleeve 3 in the axial direction and the circumferential direction.

As shown in fig. 2, a ball pin 5 is rotatably connected in the bearing housing, the ball pin 5 includes a ball head 51 and a connecting rod 52, the connecting rods 52 are symmetrically arranged on two sides of the ball head 51, a through hole 53 radially penetrating the connecting rod body 1 is formed in the side surface of the end portion, far away from the ball head 51, of each connecting rod 52, the through hole 53 is a bolt assembling hole, and the edge of the through hole is provided with a chamfer so that a bolt can be conveniently and accurately inserted.

As shown in fig. 2 and fig. 3, a lubricating oil storage tank 41 is disposed on an inner circumferential surface of the bearing sleeve 4, a first oil inlet 42 is disposed on the lubricating oil storage tank 41, a second oil inlet 33 is disposed on the elastic sleeve 3, an oil filling channel 23 communicated with the first oil inlet 42 and the second oil inlet 33 is disposed on a side surface of the connecting ball seat 2, the oil filling channel 23 is located at an end of an outer side surface of the connecting ball seat 2 and is recessed inwards to form a groove 24, and an oil cup 25 is disposed in the groove 24. Through oiling in oil cup 25 to oiling passageway 23, convenient to use is swift, and lubricating oil pours into the lubricating oil storage tank 41 of the inner annular surface of bearing housing 4 into through oiling passageway 23, second oil inlet 33 and first oil inlet 42 in, makes lubricating oil distribute more evenly in spheroid and bearing housing 4, better nimble when making to rotate between autumn and the bearing housing 4, is favorable to reducing the friction loss.

As shown in fig. 2 and 3, two ends of the connecting ball seat 2 are respectively provided with an end cover 6 with an annular structure, the outer wall of the end cover 6 is provided with an elastic annular edge 61, the inner annular surface of the connecting ball seat 2 is provided with an annular groove 26 matched with the elastic annular edge 61, and the elastic annular edge 61 is clamped in the annular groove 26. The end cover 6 is beneficial to reducing dust, water vapor and the like entering the elastic sleeve 3 to damage the components such as the ball pin 5 and the like.

As shown in fig. 2 and fig. 3, the inner wall of the end cap 6 is provided with a connecting clip 62, and the outer surface of one end of the connecting rod 52 close to the ball 51 is annularly provided with a connecting groove 54 matched with the connecting clip 62. When the ball pin is installed, the connecting clamping edge 62 is clamped with the connecting groove 54, so that the ball pin 5 is conveniently connected with the connecting ball seat 2.

The implementation principle of the thrust rod with higher strength in the embodiment of the application is as follows: the rod body 1 is processed into a hollow cylindrical tube shape, the rod body 1 and the connecting ball seat 2 are fixedly connected in a hot riveting mode, the ball pin 5 is arranged in the bearing sleeve 4, the bearing sleeve 4 is sleeved in the elastic sleeve 3, the spring sleeve is sleeved in the through hole 21, the end cover 6 is clamped with the connecting ball seat 2, an operator enables the pin shaft to penetrate through the through hole 53 in the connecting rod 52, and the thrust rod is fixed on an axle through the pin shaft.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a higher thrust bar of intensity, includes the body of rod (1), its characterized in that: the utility model discloses a ball pin, including body of rod (1), body of rod (1) both ends are provided with connecting ball seat (2), wear pinhole (21) have been seted up on connecting ball seat (2), be provided with elastic sleeve (3) in wearing pinhole (21), be provided with bearing housing (4) in elastic sleeve (3), bearing housing (4) internal rotation is connected with ball round pin (5), ball round pin (5) are including bulb (51) and connecting rod (52), connecting rod (52) set up in bulb (51) both sides, be provided with a plurality of annular bead (32) on elastic sleeve (3) inner ring face, annular bead (32) have elasticity.

2. The stronger thrust rod of claim 1, wherein: and a lubricating oil storage tank (41) is arranged on the inner ring surface of the bearing sleeve (4).

3. The stronger thrust rod of claim 2, wherein: an oiling channel (23) is formed in the side face of the connecting ball seat (2), a first oil inlet (42) is formed in the lubricating oil storage tank (41), a second oil inlet (33) is formed in the elastic sleeve (3), and the first oil inlet (42) and the second oil inlet (33) can be communicated with the oiling channel (23).

4. The stronger thrust rod of claim 3, wherein: the oil filling channel (23) is located at the end opening of the outer side face of the connecting ball seat (2) and is inwards sunken to form a groove (24), and an oil cup (25) is arranged in the groove (24).

5. The stronger thrust rod of claim 4, wherein: the bearing sleeve (4) is characterized in that a cross-shaped convex block (43) is fixedly arranged on the outer annular surface of the bearing sleeve (4), and a cross-shaped clamping groove matched with the cross-shaped convex block (43) is formed between the annular convex ribs (32) on the inner annular surface of the elastic sleeve (3).

6. The higher strength thrust rod of claim 1, wherein: the elastic sleeve (3) is made of polyurethane material.

7. The stronger thrust rod of claim 1, wherein: the outer ring surface of the elastic sleeve (3) is provided with a plurality of protrusions (31), and the inner ring surface of the pin hole (21) is provided with a plurality of clamping grooves (22) matched with the protrusions (31).

8. The stronger thrust rod of claim 1, wherein: connect ball seat (2) both ends and be provided with end cover (6), end cover (6) outer wall is provided with elastic ring limit (61), the interior anchor ring of connecting ball seat (2) is seted up and is had annular groove (26) with elastic ring limit (61) matched with, elastic ring limit (61) can block in annular groove (26).

9. The stronger thrust rod of claim 1, wherein: the rod body (1) is connected with the connecting ball seat (2) through hot riveting.