CN215980449U

CN215980449U - Joint bearing

Info

Publication number: CN215980449U
Application number: CN202122050739.1U
Authority: CN
Inventors: 王能仓
Original assignee: Wuxi Carrison Machinery Technology Co ltd
Current assignee: Wuxi Carrison Machinery Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-08
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to a joint bearing which comprises an outer ring and a split ball, wherein the split ball is movably arranged in a shaft hole formed in the outer ring, the split ball comprises a central flat ball section, two sides of the central flat ball section are connected with outer side ball sections, two sides of the shaft hole are provided with mounting grooves for mounting the split ball, the width of each mounting groove in the vertical direction is larger than the thickness of the central flat ball section of the split ball and smaller than the whole thickness of the split ball, inner spherical surfaces for supporting the split ball are arranged on the upper side and the lower side of the shaft hole, the width of each mounting groove of the joint bearing is shortened, the area of each inner spherical surface is increased, and therefore the axial bearing capacity of the joint bearing can be improved.

Description

Joint bearing

Technical Field

The utility model relates to a bearing, in particular to a joint bearing.

Background

Joint bearing is a spherical sliding bearing, its sliding contact surface is interior sphere and an ectosphere, can be in arbitrary angular rotation swing during the motion, joint bearing includes outer lane and spheroid, the spheroid activity is arranged in the shaft hole of outer lane, the shaft hole both sides are seted up and are used for installing the spheroid mounting groove, the width of mounting groove is about to be greater than spheroidal width, the shaft hole is filled in from the width direction to the spheroid during easy to assemble, then rotate the spheroid, make spheroidal sphere and shaft hole on, the interior sphere cooperation that sets up down is installed in the spheroid, the spheroid width is big, then the width of mounting groove is just wide, cause the shaft hole in, interior sphere area is little down for two, it is less to make joint bearing's axial bearing capacity.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an apparatus that solves one or more problems of the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a joint bearing, includes outer lane and components of a whole that can function independently ball, components of a whole that can function independently ball movable mounting is in the shaft hole of seting up in the outer lane, the components of a whole that can function independently ball includes central oblate spheroid section, outside spheroid section is connected to central oblate spheroid section both sides, the mounting groove that is used for installing the components of a whole that can function independently ball is seted up to the shaft hole both sides, the width in the vertical direction of mounting groove is greater than the central oblate spheroid section thickness of components of a whole that can function independently ball, is less than the holistic thickness of components of a whole that can function independently ball, the upper and lower both sides in shaft hole set up the interior sphere that supports the components of a whole that can function independently ball.

As a further improvement of the above technical solution:

and the two outer side ball body sections are connected with the central flat ball section in an inserting way.

A gap is left between the two outer spherical segments.

The outer ring can be connected with the rod end body.

And the outer side of the rod end body is provided with an external thread.

The centers of the inner spherical surfaces arranged on the upper side and the lower side of the shaft hole are provided with abdicating grooves.

Compared with the prior art, the utility model has the following beneficial technical effects:

1) the ball body of the joint bearing is a split ball, and when the joint bearing is installed, only the central oblate spheroid section of the split ball needs to be installed in the shaft hole, and then the outer spheroid sections on the two sides are connected to the central oblate spheroid section;

2) the outer side ball section is connected with the central flat ball section in an inserting way, so that the installation is convenient;

3) a gap is reserved between the two outer ball body sections, and the two outer ball body sections are mounted without mutual influence;

4) the center of the inner spherical surface is provided with the abdicating groove, so that the contact area with the spherical surface of the split ball is reduced, the friction is reduced, and the abrasion is delayed.

Drawings

Fig. 1 shows a front view of the spherical plain bearing of the present invention.

Fig. 2 shows a schematic cross-sectional view of a spherical plain bearing according to the utility model.

Figure 3 shows a front view of the knuckle bearing outer race and rod end body of the present invention.

Fig. 4 shows a cross-sectional view of a spherical plain bearing split of the present invention.

FIG. 5 illustrates a front view of the knuckle bearing of the connecting rod end body of the present invention.

In the drawings, the reference numbers:

1. an outer ring; 11. a shaft hole; 111. mounting grooves; 112. an inner spherical surface; 113. a yielding groove; 2. a split ball; 21. a central oblate spheroid section; 22. an outboard sphere section; 3. a rod end body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

As shown in fig. 1 to 4, the joint bearing of the present embodiment includes an outer ring 1 and a split ball 2, the split ball 2 is movably mounted in a shaft hole 11 formed in the outer ring 1, the split ball 2 includes a central flat ball section 21, two sides of the central flat ball section 21 are respectively connected to an outer ball section 22 in an inserting manner, two sides of the shaft hole 11 are provided with mounting grooves 111 for mounting the split ball 2, a width of the mounting groove 111 in a vertical direction is greater than a thickness of the central flat ball section 21 of the split ball 2 and smaller than an overall thickness of the split ball 2, and inner spherical surfaces 112 for supporting the split ball 2 are disposed on upper and lower sides of the shaft hole 11.

A gap is reserved between the two outer spherical sections 22, and the two outer spherical sections and the central oblate spheroid section 21 are not affected when being connected in an inserting mode.

The centers of the inner spherical surfaces 112 arranged on the upper side and the lower side of the shaft hole 11 are provided with the abdicating grooves 113, so that the contact area between the inner spherical surfaces 112 and the outer spherical surfaces of the split balls 2 can be reduced, the friction is reduced, and the abrasion between the inner spherical surfaces 112 and the outer spherical surfaces of the split balls 2 is delayed.

As shown in FIG. 5, the outer ring 1 can also be connected with the rod end body 3, and the outer side of the rod end body 3 is provided with an external thread.

When the joint bearing of the embodiment is assembled, the central oblate spheroid section 21 is firstly horizontally inserted into the position of the installation groove 111 of the shaft hole 11 from the width direction, then the central oblate spheroid section 21 is rotated to enable the upper outer spherical surface and the lower outer spherical surface of the central oblate spheroid section 21 to respectively enter the inner spherical surfaces 112 arranged at the upper side and the lower side of the shaft hole 11, the central oblate spheroid section 21 can be movably installed in the shaft hole 11, and the installation of the central oblate spheroid section 21 is completed, after the central oblate spheroid section 21 is installed, only the two outer oblate spheroid sections 22 are inserted and connected with the central oblate spheroid section 21 to form the complete split sphere 2, and the assembly of the joint bearing is completed, because the width of the central oblate spheroid section 21 is smaller, the installation groove 111 is installed only slightly larger than the width of the central oblate spheroid section 21, the width of the installation groove 111 is greatly shortened, and simultaneously because the width of the installation groove 111 is shortened, the upper inner part of the shaft hole 11 is provided with the flat sphere 2, The area of the inner spherical surface 112 arranged at the lower two sides and used for supporting the split ball 2 is increased, so that the axial bearing capacity of the joint bearing can be increased.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A spherical plain bearing, characterized in that: including outer lane and components of a whole that can function independently ball, components of a whole that can function independently ball movable mounting is in the shaft hole of seting up in the outer lane, the components of a whole that can function independently ball includes central oblate spheroid section, outside spheroid section is connected to central oblate spheroid section both sides, the mounting groove that is used for installing the components of a whole that can function independently ball is seted up to the shaft hole both sides, the ascending width in the vertical direction of mounting groove is greater than the central oblate spheroid section thickness of components of a whole that can function independently ball, is less than the holistic thickness of components of a whole that can function independently ball, the upper and lower both sides in shaft hole set up the interior sphere that supports the components of a whole that can function independently ball.

2. The spherical plain bearing of claim 1, wherein: and the two outer side ball body sections are connected with the central flat ball section in an inserting way.

3. The spherical plain bearing of claim 2, wherein: a gap is left between the two outer spherical segments.

4. The spherical plain bearing of claim 1, wherein: the outer ring can be connected with the rod end body.

5. The spherical plain bearing of claim 4, wherein: and the outer side of the rod end body is provided with an external thread.

6. The spherical plain bearing of claim 1, wherein: the centers of the inner spherical surfaces arranged on the upper side and the lower side of the shaft hole are provided with abdicating grooves.