CN211852492U

CN211852492U - Ball joint assembly

Info

Publication number: CN211852492U
Application number: CN202020289719.2U
Authority: CN
Inventors: 柴明军
Original assignee: NINGBO YONGXIN AUTO COMPONENTS MANUFACTURING CO LTD
Current assignee: NINGBO YONGXIN AUTO COMPONENTS MANUFACTURING CO LTD
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-03
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a ball hinge assembly, including ball round pin casing and ball seat, ball round pin casing on be equipped with the through-hole, the ball seat pressure equipment in the through-hole, ball seat upper end be equipped with the recess that is used for installing pull rod ball round pin, it still includes the plug screw, through-hole lower extreme and ball seat lower surface form the spread groove, the spread groove opening part be equipped with the inside turn-ups, the spread groove inner wall be equipped with first screw thread, the outer circumference of plug screw upper end be equipped with first screw-thread fit's second screw thread, the plug screw rivet in the spread groove through the inside turn-ups soon, the utility model provides a ball hinge assembly that the reliability is high.

Description

Ball joint assembly

Technical Field

The utility model relates to an automobile parts technical field especially relates to a ball hinge assembly.

Background

The ball joint is a very key part in an automobile steering system and is usually used for being matched with a steering pull rod. The flanging is too thick, a large-tonnage press machine needs to be selected for equipment, the appearance is seriously deformed after riveting, and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: overcome above prior art's defect, provide a ball joint assembly that reliability is high.

The utility model adopts the technical proposal that: the utility model provides a ball hinge joint assembly, includes ball round pin casing and ball seat, ball round pin casing on be equipped with the through-hole, the ball seat pressure equipment in the through-hole, ball seat upper end be equipped with the recess that is used for installing the pull rod ball round pin, it still includes the plug screw, through-hole lower extreme and ball seat lower surface form the spread groove, the spread groove opening part be equipped with the inside turn-ups, the spread groove inner wall be equipped with first screw thread, the outer circumference of plug screw upper end be equipped with first screw-thread fit's second screw thread, the plug screw rivet in the spread groove soon through the inside turn-ups.

After the structure more than adopting, compared with the prior art, the utility model has the following advantage: establish the plug screw, turn up the limit in the opening part of spread groove and form the inside turn-ups, establish first screw thread at the spread groove inner wall, establish the second screw thread at the plug screw surface, utilize to rivet soon the plug screw dress in the spread groove, first screw thread and second screw thread spiro union are in the same place simultaneously, and during bulb axial tension failure test, the destructive power is mostly undertaken by the screw thread of connecting, and the inside turn-ups only need guarantee that the screw thread takes off, and the inside turn-ups need not be too thick. The appearance size after riveting does not deform. The breaking load can meet more than 110kN, and the reliability is high.

Preferably, the upper end of the screw plug is provided with a bulge protruding out of the outer circumference of the screw plug, the second thread is arranged on the outer surface of the bulge, and the lower surface of the bulge abuts against the inner surface of the inward flange, so that the connection is reliable.

Preferably, the diameter of the connecting groove is larger than that of the ball seat, the outer circumference of the upper end face of the protrusion abuts against the upper end face of the connecting groove, the screw plug is not easy to fall off from the connecting groove, and the reliability is high.

Preferably, the upper end surface of the bulge is extruded on the lower surface of the ball seat, so that the ball seat can be prevented from loosening, and the reliability is high.

As preferred, protruding upper surface be equipped with the joint groove, the ball seat lower surface be equipped with the joint arch, the protruding joint of joint in the joint inslot, utilize the protruding card of joint in the joint inslot, can prevent that the ball seat is not hard up and can prevent that the plug screw from droing in the spread groove again, the reliability is high.

Preferably, the shape of the cross section of the clamping groove is trapezoidal, the diameter of the bottom of the clamping groove is smaller than that of the opening of the clamping groove, the connection is reliable, and the strength is high.

The trapezoid is an isosceles trapezoid, and the effect is best.

Preferably, the lower surface of the ball seat is provided with a hole communicated with the groove, so that the ball seat has a certain deformation amount, and the plug screw is conveniently separated from the ball seat.

Drawings

Fig. 1 is a front cross-sectional view of a ball joint assembly of the present invention;

fig. 2 is a front sectional view of the screw plug of the ball joint assembly of the present invention.

Wherein, 1, ball round pin casing, 2, ball seat, 3, pull rod ball round pin, 4, plug screw, 5, through-hole, 6, spread groove, 7, inside flanging, 8, first screw thread, 9, second screw thread, 10, arch, 11, joint groove, 12, joint arch, 13, hole, 14, recess.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in the figures, the utility model provides a ball hinge joint assembly, including ball round pin casing 1 and ball seat 2, ball round pin casing 1 on be equipped with through-hole 5, ball seat 2 pressure equipment in through-hole 5, ball seat 2 upper end be equipped with be used for installing pull rod ball round pin 3 recess 14, it still includes plug screw 4, the lower extreme of through-hole 5 and ball seat 2 lower surface form spread groove 6, spread groove 6 opening part be equipped with inside flanging 7, spread groove 6 inner wall be equipped with first screw 8, the outer circumference of plug screw 4 upper end be equipped with first screw 8 complex second screw 9, plug screw 4 rivet in spread groove 6 through inside flanging 7 soon, the utility model has the advantages of establish plug screw 4, form inside flanging 7 at spread groove 6 opening part toward inside flanging, establish first screw 8 at spread groove 6 inner wall, establish second screw 9 at plug 4 surface, utilize to rivet soon and adorn plug screw 4 in spread groove 6, first screw thread 8 and second screw thread 9 spiro union are in the same place simultaneously, and during bulb axial tensile failure test, the destructive power is mostly born by the screw thread of connecting, and the turn-ups 7 only need guarantee that the screw thread pine takes off, and turn-ups 7 need not be too thick. The appearance size after riveting does not deform. The breaking load can meet more than 110kN, and the reliability is high.

The upper end of the screw plug 4 is provided with a bulge 10 protruding out of the outer circumference of the screw plug 4, the second thread 9 is arranged on the outer surface of the bulge 10, and the lower surface of the bulge 10 abuts against the inner surface of the inner flanging 7, so that the connection is reliable.

The diameter of connecting groove 6 be greater than the diameter of ball seat 2, the outer circumference of protruding 10 up end support and lean on at connecting groove 6 up end, plug screw 4 is difficult to drop from connecting groove 6 in, the reliability is high.

The upper end surface of the bulge 10 is extruded on the lower surface of the ball seat 2, so that the ball seat 2 can be prevented from loosening, and the reliability is high.

Protruding 10 upper surface be equipped with joint groove 11, 2 lower surfaces of ball seat be equipped with joint arch 12, the protruding 12 joints of joint in joint groove 11, utilize the protruding 12 cards of joint in joint groove 11, can prevent that ball seat 2 is not hard up and can prevent that plug screw 4 from droing in the spread groove 6 again, the reliability is high.

The shape of the cross section of the clamping groove 11 is trapezoidal, the diameter of the bottom of the clamping groove 11 is smaller than that of the opening of the clamping groove 11, connection is reliable, and strength is high.

The trapezoid is an isosceles trapezoid, and the effect is best.

The lower surface of the ball seat 2 is provided with a hole 13 communicated with the groove 14, so that the ball seat has a certain deformation amount, and the plug screw 4 is conveniently separated from the ball seat 2.

Particularly, the utility model discloses a principle is to establish plug screw 4, turn down the turn-ups in forming 7 at the opening part of spread groove 6, establish first screw thread 8 at the 6 inner walls of spread groove, establish second screw thread 9 at 4 surfaces of plug screw, utilize to rivet soon 4 dress of plug screw in spread groove 6, first screw thread 8 and 9 spiro unions of second screw thread are in the same place simultaneously, during bulb axial tension destructive test, the destructive power is mostly born by the screw thread of connecting, turn-ups 7 only need guarantee that the screw thread pine takes off, turn-ups 7 need not be too thick. The appearance size after riveting does not deform. The breaking load can meet more than 110kN, the reliability is high, the existing design is free of threads, and the quality of all breaking force needing flanging is guaranteed. The design is that the screw plug 4 is additionally provided with external threads and the ball pin shell 1 is additionally provided with internal threads. During assembly, the screw plug 4 is screwed into the ball pin shell and then can be riveted.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a ball hinge joint assembly, includes ball round pin casing (1) and ball seat (2), ball round pin casing (1) on be equipped with through-hole (5), ball seat (2) pressure equipment in through-hole (5), ball seat (2) upper end be equipped with recess (14) that are used for installing pull rod ball round pin (3), its characterized in that: it still includes plug screw (4), through-hole (5) lower extreme and ball seat (2) lower surface form spread groove (6), spread groove (6) opening part be equipped with inside flanging (7), spread groove (6) inner wall be equipped with first screw thread (8), the outer circumference of plug screw (4) upper end be equipped with first screw thread (8) complex second screw thread (9), plug screw (4) rivet soon in spread groove (6) through inside flanging (7).

2. The ball joint assembly of claim 1, wherein: the upper end of the screw plug (4) is provided with a bulge (10) protruding out of the outer circumference of the screw plug (4), the second thread (9) is arranged on the outer surface of the bulge (10), and the lower surface of the bulge (10) abuts against the inner surface of the inward flanging (7).

3. The ball joint assembly of claim 2, wherein: the diameter of the connecting groove (6) is larger than that of the ball seat (2), and the outer circumference of the upper end face of the bulge (10) abuts against the upper end face of the connecting groove (6).

4. A ball joint assembly according to claim 3, wherein: the upper end surface of the bulge (10) is extruded on the lower surface of the ball seat (2).

5. A ball joint assembly according to claim 3, wherein: protruding (10) upper surface be equipped with joint groove (11), ball seat (2) lower surface be equipped with joint arch (12), the protruding (12) joint of joint in joint groove (11).

6. The ball joint assembly of claim 5, wherein: the cross section of the clamping groove (11) is trapezoidal, and the diameter of the bottom of the clamping groove (11) is smaller than that of the opening of the clamping groove (11).

7. The ball joint assembly of claim 6, wherein: the trapezoid is an isosceles trapezoid.

8. The ball joint assembly of claim 1, wherein: the lower surface of the ball seat (2) is provided with a hole (13) communicated with the groove (14).