CN217582877U - Inner and outer ring integrated type crossed cylindrical roller bearing - Google Patents

Abstract

The utility model discloses an integral alternately cylindrical roller bearing of inner outer ring, including inner circle, outer lane, install alternately cylindrical roller between inner circle and the outer lane, the lubricating oil pore has been seted up to one side surface of outer lane, the thread groove is seted up to the lubricating oil pore department outer end of outer lane and is connected with the convex plug wire, the inner of convex plug wire is provided with a convex section of thick bamboo, sliding connection has the sprue in a convex section of thick bamboo, the outer end of sprue is fixed with the pole of interlude, the spring has been cup jointed to the surface of pole of interlude, the guide hole is seted up to the surface of a convex section of thick bamboo, and through setting up convex plug wire, its inner end sets up the check valve subassembly, can be convenient for push into and open, is convenient for add lubricating oil, and the sprue blocks up again after adding, is convenient for seal, can not outflow.

Description

An inner and outer ring integral cross cylindrical roller bearing

technical field

The utility model relates to the field of crossed cylindrical roller bearings, in particular to an integral crossed cylindrical roller bearing of inner and outer rings.

Background technique

The internal structure of the crossed roller bearing adopts the rollers arranged perpendicular to each other at 90°. There are spacers or spacers between the rollers, which can prevent the inclination of the rollers and the mutual friction between the rollers and effectively prevent the rotation torque. increase;

In the prior art inner and outer ring integral crossed cylindrical roller bearings, the crossed cylindrical rollers need to be lubricated when used, and it is not convenient to add lubricating oil.

Utility model content

In view of the problems existing in the prior art, the purpose of the present utility model is to provide an integral cross cylindrical roller bearing with inner and outer rings. By setting a convex plugging wire and a check valve assembly at the inner end, it can be easily pushed in and opened. It is easy to add lubricating oil. After adding, the blocking block is re-blocked, which is convenient for sealing and will not flow out.

In order to solve the above problems, the present invention adopts the following technical solutions.

An integral crossed cylindrical roller bearing with inner and outer rings, comprising an inner ring and an outer ring, a crossed cylindrical roller is installed between the inner ring and the outer ring, and a lubricating oil hole is opened on the outer surface of one side of the outer ring, The outer end of the lubricating oil channel of the outer ring is provided with a threaded groove to be connected with a convex plug wire, the inner end of the convex plug wire is provided with a convex cylinder, and a plug block is slidably connected in the convex cylinder. An insertion rod is fixed at the outer end of the blocking block, a spring is sleeved on the outer surface of the insertion rod, and a guide hole is provided on the outer surface of the convex cylinder. It can be easily opened and opened, and it is easy to add lubricating oil. After adding, the blocking block is re-blocked, which is convenient for sealing and will not flow out.

Further, the spring is pressed against the inner end surface of the blocking block, the blocking block adopts a round block structure, and the outer end thereof is provided with a rubber layer, which is convenient for fitting and sealing.

Further, a positioning protrusion is arranged on the outside of the insertion rod, and the positioning protrusion is attached to the outer end surface of the convex cylinder, so as to facilitate the positioning of the blocking block.

Further, the inner surface of the convex plugging wire is provided with a hexagonal groove, which is convenient for twisting the inner hexagonal wrench to install and remove the convex plugging wire.

Further, the convex plugging wire is embedded and installed on the inner surface of the outer ring, and there is no protrusion on the surface of the outer ring, which is convenient for use and does not hinder the use.

Compared with the prior art, the advantages of the present utility model are:

(1) By setting a convex plug wire and a one-way valve assembly at its inner end, it is easy to push in and open, and it is easy to add lubricating oil. After adding, the plug is re-blocked, which is convenient for sealing and will not flow out.

(2) The spring is extruded on the inner end surface of the blocking block, the blocking block adopts a round block structure, and the outer end is provided with a rubber layer, which is convenient for fitting and sealing.

(3) A positioning protrusion is arranged on the outside of the insertion rod, and the positioning protrusion is attached to the outer end surface of the convex cylinder to facilitate the positioning of the blocking block.

(4) The inner surface of the convex plugging wire is provided with a hexagonal groove, which is convenient for twisting the inner hexagonal wrench to install and remove the convex plugging wire.

(5) The convex plug wire is embedded in the inner surface of the outer ring, and the surface of the outer ring has no protrusions, which is easy to use and does not hinder the use.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the overall structure side view of the utility model;

Fig. 3 is the enlarged view of A of the utility model.

Description of the labels in the figure:

1 inner ring, 2 outer ring, 3 crossed cylindrical rollers, 20 lubricating oil holes, 4 convex plugs, 5 convex cylinders, 6 plugs, 7 through rods, 50 guide holes, 70 positioning protrusions, 40 hexagonal concave groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figure 1-3, an integral crossed cylindrical roller bearing with inner and outer rings, including an inner ring 1, an outer ring 2, a crossed cylindrical roller 3 installed between the inner ring 1 and the outer ring 2, and a part of the outer ring 2 The outer surface of the side is provided with a lubricating oil channel 20, and the outer end of the lubricating oil channel 20 of the outer ring 2 is provided with a threaded groove connected with a convex plugging wire 4. The inner end of the convex plugging wire 4 is provided with a convex cylinder 5. The convex cylinder A blocking block 6 is slidably connected inside the block 6 , an interpenetrating rod 7 is fixed at the outer end of the blocking block 6 , a spring 8 is sleeved on the outer surface of the interpenetrating rod 7 , and a guide hole 50 is provided on the outer surface of the convex cylinder 5 .

Please refer to Fig. 1-3, the spring 8 is pressed against the inner end surface of the blocking block 6, the blocking block 6 adopts a round block structure, and the outer end is provided with a rubber layer, which is convenient for fitting and sealing. , the positioning protrusion 70 is attached to the outer end surface of the convex cylinder 5, which is convenient for the positioning of the blocking block 6. The inner surface of the convex plugging wire 4 is provided with a hexagonal groove 40, which is convenient for the inner hexagonal wrench to twist, install and remove the convex blocking block. Wire 4, the convex plug wire 4 is embedded and installed on the inner surface of the outer ring 2, and the surface of the outer ring 2 has no protrusions, which is convenient for use and does not hinder the use.

When in use, a lubricating oil channel 20 is opened through the outer surface of one side of the outer ring 2, and the outer end of the lubricating oil channel 20 of the outer ring 2 is provided with a threaded groove connected with a convex plug wire 4. The inner end of the convex plug wire 4 A convex cylinder 5 is provided, and a blocking block 6 is slidably connected in the convex cylinder 5. The outer end of the blocking block 6 is fixed with an interpenetrating rod 7, and the outer surface of the interpenetrating rod 7 is sleeved with a spring 8, and the outer surface of the convex cylinder 5 is A guide hole 50 is opened. When adding lubricating oil, the lubricating oil bottle mouth is clamped into the block 6, the block 6 can be squeezed to move, and the guide hole 50 can be opened. When extruding, it can flow into the lubricating oil channel 20 through the guide hole 50 Inside, the cross cylindrical roller 3 can be lubricated, and the outer ring 2 can be rotated to spray lubricating oil evenly.

The above descriptions are only preferred specific embodiments of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improvement concept, equivalently replaces or changes, should be covered within the protection scope of the present invention.

Claims (5)

1. An integral cross cylindrical roller bearing with inner and outer rings, comprising an inner ring (1) and an outer ring (2), characterized in that: a cross cylinder is installed between the inner ring (1) and the outer ring (2) In the roller (3), a lubricating oil channel (20) is provided on the outer surface of one side of the outer ring (2), and the outer end of the lubricating oil channel (20) of the outer ring (2) is provided with a threaded groove connected with a protrusion. A plugging wire (4), the inner end of the convex plugging wire (4) is provided with a convex cylinder (5), and a blocking block (6) is slidably connected in the convex cylinder (5), and the blocking block The outer end of (6) is fixed with an insertion rod (7), the outer surface of the insertion rod (7) is sleeved with a spring (8), and the outer surface of the convex cylinder (5) is provided with a guide hole (50). 2. A kind of integral cross cylindrical roller bearing with inner and outer rings according to claim 1, characterized in that: the spring (8) is pressed against the inner end surface of the blocking block (6), and the blocking block (6) adopts The round block structure is provided with a rubber layer at the outer end. 3. The inner and outer ring integral type crossed cylindrical roller bearing according to claim 1, characterized in that: a positioning protrusion (70) is provided on the outside of the insertion rod (7), and the positioning protrusion (70) is fitted At the outer end surface of the convex barrel (5). 4 . The inner and outer ring integral cross cylindrical roller bearing according to claim 1 , wherein a hexagonal groove ( 40 ) is formed on the inner surface of the convex plugging wire ( 4 ). 5 . 5. The inner and outer ring integral type crossed cylindrical roller bearing according to claim 1, characterized in that: the convex plugging wire (4) is embedded in the inner surface of the outer ring (2), and the outer ring (2) ) without bulges on the surface.

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