CN211693133U

CN211693133U - Dustproof oiliness pivot

Info

Publication number: CN211693133U
Application number: CN202020175325.4U
Authority: CN
Inventors: 陈沛多
Original assignee: Shanghai Zhiling Metal Products Co ltd
Current assignee: Shanghai Zhiling Metal Products Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-10-16
Anticipated expiration: 2030-02-17

Abstract

The utility model discloses a dustproof oiliness pivot, including the axis body, the dirt proof boot has all been cup jointed at the both ends of axis body outer wall, two the both sides inner wall of dirt proof boot is fixed with sealed dish, two through the bearing the both sides inner wall of dirt proof boot all has the collar through the bolt fastening, the both ends outer wall of axis body all is provided with the mounting disc, the circular slot has all been seted up to the both sides outer wall of sealed dish, and the bottom inner wall of two circular slots all has the spring that the equidistance distributes through the bolt fastening, spring coupling has the sealing washer, one of them the bottom inner wall of circular slot seted up with axis body assorted round mouth, two the internal diameter of sealing washer and the external diameter phase-match of axis body. The utility model discloses a set up sealed dish on the dirt proof boot, prevent the dust to get into the dirt proof boot through two sealing washer on the sealed dish, two oil pockets cooperate the help axis body through with the oil leak hole and lubricate, reduce the wearing and tearing when axis body pivoted, have improved the life of pivot.

Description

Dustproof oiliness pivot

Technical Field

The utility model relates to a pivot technical field especially relates to a dustproof oiliness pivot.

Background

The shaft pin is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used for the hinged part of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly.

When the shaft pin is used as a rotating part, the shaft pin is greatly abraded due to the fact that lubricating oil is not arranged on the shaft pin, and the service life of the shaft pin is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dustproof oiliness shaft pin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dustproof oil-containing shaft pin comprises a shaft body, two ends of the outer wall of the shaft body are respectively sleeved with a dustproof sleeve, the inner walls of two sides of the two dustproof sleeves are fixedly provided with a sealing disc through bearings, the inner walls of two sides of the two dustproof sleeves are respectively fixedly provided with a mounting ring through bolts, the outer walls of the two ends of the shaft body are respectively provided with a mounting disc, the outer walls of the two sides of the sealing disc are respectively provided with a circular groove, and the inner walls of the bottoms of the two circular grooves are fixed with springs which are distributed at equal intervals through bolts, the springs are connected with sealing rings, the inner wall of the bottom of one of the circular grooves is provided with a circular opening matched with the shaft body, the inner diameters of the two sealing rings are matched with the outer diameter of the shaft body, the both ends of axis body outer wall have all cup jointed the spacing ring, annular spout has all been seted up at the outside both ends of axis body, and the bottom inner wall of two spouts all is provided with the rolling element that the equidistance distributes.

Preferably, the inner walls of two sides of the two mounting rings are provided with first oil cavities, and the outer wall of one side of each of the two mounting rings is provided with a slide way.

Preferably, the inner walls of the bottoms of the two slide ways are provided with first oil leakage holes, and the first oil leakage holes are connected to the first oil cavity through oil ducts.

Preferably, the specification of the first oil leakage hole is matched with that of the rolling body.

Preferably, the inner walls of the two mounting plates are provided with second oil cavities, and the inner walls of the bottoms of the two sliding grooves are provided with second oil leakage holes.

Preferably, the second oil leakage hole is connected to the second oil chamber through an oil passage.

The utility model has the advantages that:

this dustproof oiliness pivot is provided with the dirt proof boot through the both ends at the axis body, sheathes in again through setting up sealed dish at the dirt proof boot, prevents during the dust gets into the dirt proof boot through two sealing washers on sealed dish, sets up the oil pocket again on collar and mounting disc, and two oil pockets cooperate the help axis body through with the oil leak hole and lubricate, reduce the wearing and tearing when axis body pivoted, have improved the life of pivot.

Drawings

Fig. 1 is a schematic front view of a dustproof oil-containing shaft pin according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a dustproof oil-containing shaft pin according to the present invention;

fig. 3 is a schematic view of a sealing disc structure of a dustproof oil-containing shaft pin according to the present invention;

fig. 4 is a schematic view of a partial structure of a shaft body of a dustproof oil-containing shaft pin according to the present invention;

fig. 5 is a schematic view of a mounting ring structure of a dustproof oil-containing shaft pin according to the present invention;

fig. 6 is a schematic view of a partial sectional structure of a mounting ring of a dustproof oil-containing shaft pin according to the present invention.

In the figure: the device comprises a shaft body 1, a dust-proof sleeve 2, a sealing disc 3, a mounting ring 4, a mounting disc 5, a limiting ring 6, a spring 7, a sealing ring 8, a round opening 9, a first oil cavity 10, a slideway 11, a first oil leakage hole 12, a second oil cavity 13, a sliding groove 14, a second oil leakage hole 15 and a rolling body 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a dustproof oil-containing shaft pin comprises a shaft body 1, two ends of the outer wall of the shaft body 1 are respectively sleeved with a dustproof sleeve 2, two side inner walls of the two dustproof sleeves 2 are respectively fixed with a sealing disk 3 through a bearing, two side inner walls of the two dustproof sleeves 2 are respectively fixed with a mounting ring 4 through bolts, two end outer walls of the shaft body 1 are respectively provided with a mounting disk 5, two side outer walls of the sealing disk 3 are respectively provided with a circular groove, the bottom inner walls of the two circular grooves are respectively fixed with springs 7 which are distributed equidistantly through bolts, the springs 7 are connected with a sealing ring 8, the bottom inner wall of one circular groove is provided with a round opening 9 which is matched with the shaft body 1, the inner diameters of the two sealing rings 8 are matched with the outer diameter of the shaft body 1, two ends of the outer wall of the shaft body 1 are respectively sleeved with a limiting ring 6, two ends of the outer part, the both sides inner wall of two collars 4 all is provided with first oil pocket 10, and slide 11 has all been seted up to one side outer wall of two collars 4, first oil leak hole 12 has all been seted up to the bottom inner wall of two slide 11, and first oil leak hole 12 passes through the oil duct and connects on first oil pocket 10, the specification of first oil leak hole 12 and the specification phase-match of rolling element 16, the inner wall of two mounting discs 5 all is provided with second oil pocket 13, second oil leak hole 15 has all been seted up to the bottom inner wall of two spouts 14, the second oil leak hole 15 passes through the oil duct and connects on second oil pocket 13.

The working principle is as follows: when the shaft body 1 rotates, the rolling body 16 on the shaft body 1 rolls on the mounting ring 4, when the rolling body 16 rolls through the first oil leakage hole 12, lubricating oil on the first oil leakage hole 12 adheres to the rolling body 16, friction between the rolling body 16 and the mounting ring 4 is reduced, and the dustproof sleeve 2 is sealed by the two sealing rings 8 on the sealing disc 3 to prevent dust from entering the dustproof sleeve 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The dustproof oil-containing shaft pin comprises a shaft body (1) and is characterized in that two ends of the outer wall of the shaft body (1) are respectively sleeved with a dustproof sleeve (2), two inner walls of two sides of the dustproof sleeves (2) are respectively fixed with a sealing disc (3) through a bearing, two inner walls of two sides of the dustproof sleeves (2) are respectively fixed with a mounting ring (4) through bolts, outer walls of two ends of the shaft body (1) are respectively provided with a mounting disc (5), outer walls of two sides of the sealing disc (3) are respectively provided with a circular groove, the inner walls of the bottoms of the two circular grooves are respectively fixed with springs (7) which are distributed at equal intervals through bolts, the springs (7) are connected with sealing rings (8), the inner wall of the bottom of one circular groove is provided with a circular opening (9) matched with the shaft body (1), and the inner diameters of the two sealing rings (8) are, both ends of axis body (1) outer wall have all cup jointed spacing ring (6), annular spout (14) have all been seted up at the outside both ends of axis body (1), and the bottom inner wall of two spouts (14) all is provided with the rolling element (16) that the equidistance distributes.

2. The dustproof oil-containing shaft pin according to claim 1, wherein the inner walls of two sides of the two mounting rings (4) are provided with first oil cavities (10), and the outer wall of one side of the two mounting rings (4) is provided with a slideway (11).

3. The dustproof oil-containing shaft pin according to claim 2, wherein the bottom inner walls of the two slide ways (11) are provided with first oil leakage holes (12), and the first oil leakage holes (12) are connected to the first oil chamber (10) through oil passages.

4. A dustproof oiliness shaft pin according to claim 3, characterized in that the specification of said first oil leak hole (12) matches the specification of the rolling body (16).

5. The dustproof oil-containing shaft pin according to claim 4, wherein the inner walls of the two mounting plates (5) are provided with second oil chambers (13), and the inner walls of the bottoms of the two sliding grooves (14) are provided with second oil leakage holes (15).

6. A dustproof oilless shaft pin according to claim 5, characterized in that the second oil leaking hole (15) is connected to the second oil chamber (13) through an oil passage.