CN201526607U

CN201526607U - Holding rack

Info

Publication number: CN201526607U
Application number: CN200920040880XU
Authority: CN
Inventors: 吴裕平
Original assignee: CHANGZHOU DONGFENG BEARING Co Ltd
Current assignee: CHANGZHOU DONGFENG BEARING Co Ltd
Priority date: 2009-04-21
Filing date: 2009-04-21
Publication date: 2010-07-14
Anticipated expiration: 2019-04-21

Abstract

The utility model relates to a component of a rolling bearing, in particular to a holding rack of a rolling bearing. The holding rack comprises at least two retaining sides and a window beam, wherein the two retaining sides are fixedly connected together along the circumferential direction through the window beam, and the window beam comprises an upper lock mouth and a lower lock mouth. The holding rack has the advantages that two bulges are arranged on the side surface of the lower lock mouth facing the window, and when a roller pin is mounted to the holding rack, the roller pin is propped against the two bulges on the side surface of the lower lock mouth facing the window, thereby ensuring that the roller pin is mounted straightly in the window and less susceptible to upwarp through the function of the upper lock mouth, and facilitating improving the assembling performance and the bearing quality. The holding rack has simple structure, and is especially suitable for the mass and automated production.

Description

A kind of retainer

Technical field

The utility model relates to a kind of retainer that the parts of rolling bearing, particularly rolling bearing are used.

Background technique

The retainer that present rolling bearing is used comprises rib and window crossbeam, the window crossbeam is made up of last fore shaft and following fore shaft, needle roller is fitted between two window crossbeams, by last fore shaft and following fore shaft it is pinned the location, because the bi-side of following fore shaft are the plane along the axial direction of needle roller promptly along the axial direction of retainer, under roll extrusion in the fore shaft process, easily protruding in the middle of the following fore shaft crossbeam, make its bi-side along curved of the axial direction of retainer, pack into like this behind the needle roller, needle roller is to contact with the surface of contact of following fore shaft in retainer, is easy to cause needle roller to put injustice and perk at the window place of retainer, influences the quality of bearing and the assembling of bearing and uses.

Summary of the invention

The utility model is straight after providing needle roller being installed, and is difficult for a kind of retainer of perk.

The technological scheme that the utility model adopts in order to address the above problem is a kind of retainer, comprise at least two ribs and window crossbeam, the window crossbeam along the circumferential direction is fixed together two ribs, the window crossbeam comprises fore shaft and following fore shaft, and its innovative point is: described fore shaft down has two projectioies in the face of the side of window.

Described fore shaft down respectively has two projectioies in the face of the bi-side of both sides window.

Described fore shaft down respectively has two two projectioies with respect to following fore shaft axial centre symmetry in the face of the bi-side of both sides window.

Described fore shaft down is 0.1～0.2mm in the face of the height of projection of window side.

The utility model is owing to fore shaft under the window crossbeam locates to have increased by two projectioies in the face of the side of window, after needle roller is packed retainer into, needle roller offsets with two projectioies of following fore shaft in the face of the side of window, the effect of last fore shaft is arranged simultaneously, guaranteed that needle roller is straight in the installation of window place, be difficult for perk, help improving assembly performance and bearing quality.

Description of drawings

Fig. 1 is the structural representation of a kind of retainer of the present utility model;

Fig. 2 is the A-A sectional drawing of Fig. 1;

Fig. 3 is that the B of Fig. 1 is to view.

Embodiment

The embodiment who provides below in conjunction with accompanying drawing describes in further detail the utility model.

Referring to Fig. 1,2,3, a kind of retainer, comprise at least two ribs 1 and window crossbeam 2, window crossbeam 2 along the circumferential direction is fixed together two ribs 1, window crossbeam 2 comprises fore shaft 2-1 and following fore shaft 2-2, and its innovative point is: described fore shaft 2-2 down has two protruding 2-2-1 in the face of the side of window.

Described fore shaft 2-2 down respectively has two protruding 2-2-1 in the face of the bi-side of both sides window.

Described fore shaft 2-2 down respectively has two two protruding 2-2-1 with respect to following fore shaft axial centre symmetry in the face of two sides of both sides window.

Described fore shaft 2-2 down highly is 0.1～0.2mm in the face of the protruding 2-2-1 of window side.

Retainer of the present utility model in use, when needle roller is put into the window place of retainer, needle roller offsets in the face of two protruding 2-2-1 with respect to following fore shaft axial centre symmetry of window side with following fore shaft 2-2, the effect of last fore shaft 2-1 is arranged simultaneously, needle roller can be straight the window place that is installed in retainer, be difficult for perk, so just help improving assembly performance and bearing quality.Retainer of the present utility model is simple in structure, is specially adapted to production in enormous quantities, automation.

Claims

1. retainer, comprise at least two ribs (1) and window crossbeam (2), window crossbeam (2) along the circumferential direction is fixed together two ribs (1), window crossbeam (2) comprises fore shaft (2-1) and following fore shaft (2-2), it is characterized in that: described fore shaft (2-2) down has two projectioies (2-2-1) in the face of the side of window.

2. retainer according to claim 1 is characterized in that: described fore shaft (2-2) down respectively has two projectioies (2-2-1) in the face of the bi-side of both sides window.

3. retainer according to claim 1 and 2 is characterized in that: described fore shaft (2-2) down respectively has two two projectioies (2-2-1) with respect to following fore shaft axial centre symmetry in the face of two sides of both sides window.

4. retainer according to claim 1 and 2 is characterized in that: described fore shaft (2-2) down highly is 0.1～0.2mm in the face of the projection (2-2-1) of window side.