CN211599531U

CN211599531U - Bearing oil seal of floating machine head

Info

Publication number: CN211599531U
Application number: CN201921933816.4U
Authority: CN
Inventors: 刘徐俊
Original assignee: Lishui Junxi Bearing Manufacturing Co ltd
Current assignee: Lishui Junxi Bearing Manufacturing Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-09-29
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a bearing oil seal of a floating machine head, which comprises an outer ring, wherein an avoidance ring is arranged at the middle position of the outer surface of the outer ring, the inner side surface of the outer ring is fixedly connected with an inner ring, the lower end of the inner side surface of the inner ring is fixedly connected with a dustproof ring, the upper end of the inner side surface of the inner ring is provided with a sealing ring, the upper end of the outer surface of the inner ring is provided with an arc-shaped ring groove, the inner side surface of the arc-shaped ring groove is fixedly clamped with a sealing spring, the sealing spring is positioned between the outer ring and the inner ring, the inner part of the outer ring is fixedly embedded with a ring-shaped framework, the lower surface of the outer ring is provided with an annular groove, the lower surface of the ring-shaped framework is fixedly connected with a framework bulge, the framework, the mounting and dismounting efficiency is ensured.

Description

Bearing oil seal of floating machine head

Technical Field

The utility model relates to an oil blanket field, more specifically say, relate to a bearing oil blanket of aircraft nose floats.

Background

In the current industrial processing process, various mechanical and hydraulic equipment, particularly a floating machine head part is needed, oil needs to be filled for lubricating and cooling at a bearing connecting part, and an oil seal needs to be arranged at the connecting position for sealing in order to ensure the sealing performance and stability in the uniformity process.

But current oil blanket structure is thick when in actual use in some weak points, for example the installation is, need be with the cover on the locomotive pole, and the outer lane location is inside sealed recess, because need compress tightly sealed, the installation resistance of inner circle and outer lane is great, is unfavorable for stably placing inside sealed recess, and current oil blanket structure is after the installation location simultaneously, and the lower extreme plane is outside, also is convenient for taking out during the dismantlement, needs to break and tear open, easily damages the locomotive pole, and the result of use is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a bearing oil blanket of aircraft nose floats, through setting up in the outer lane outside and dodging the ring, can reduce the area in the contact of sealed recess when installing, and then reduce the resistance, do benefit to the installation location, it is protruding through the inside skeleton that sets up of the annular groove at the lower surface simultaneously, can directly draw when demolising, convenient stable, and cover through covering the ring during use, can not interfere, can improve the convenience and the stability of use greatly like this, guarantee installation and dismantlement efficiency.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a bearing oil seal of aircraft nose floats, includes the outer lane, the surface intermediate position of outer lane is equipped with dodges the ring, the inboard fixed surface of outer lane is connected with the inner circle, the inboard surperficial lower extreme fixedly connected with dust ring of inner circle, the inboard surperficial upper end of inner circle is equipped with the sealing ring, the surface upper end of inner circle is equipped with arc ring groove, the inboard fixed surface fastening joint in arc ring groove has sealing spring, sealing spring is located between outer lane and the inner circle, the inside of outer lane is fixed to be inlayed and is had ring shape skeleton, the lower surface of outer lane is equipped with annular groove, the lower fixed surface of ring shape skeleton is connected with the skeleton arch, the protruding inside intermediate position that is located annular groove of skeleton, the bellied.

Further, the inside surface joint of annular groove has the cover ring, the surface that covers the ring is equipped with the joint hole, the inside surface joint in joint hole is in the bellied surface of skeleton, through setting up the joint hole at the cover ring surface, can fix a position in the skeleton arch of joint, and then covers, does benefit to the installation and uses, and is convenient high-efficient.

Further, outer lane and inner circle all adopt the polyurethane material to make, and the wall thickness is 3 millimeters to 5 millimeters, adopt the polyurethane to make, can compress to the connecting surface and seal, avoid revealing, safety and stability.

Furthermore, the circular ring-shaped framework is made of carbon steel materials and completely covers the inner part of the outer ring, and the circular ring-shaped framework covers the inner part of the outer ring, so that the strength of the framework can be enhanced, stable support is facilitated, and sealing is facilitated.

Furthermore, the skeleton is protruding all has five with the joint hole, and circumference equiangular evenly distributed.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through setting up in the outer lane outside and dodging the ring, can reduce the area in sealed recess contact when installing, and then reduces the resistance, does benefit to the installation location, and it is protruding through the inside skeleton that sets up of annular groove at the lower surface simultaneously, can directly draw convenient stable when demolising.

(2) Through set up the joint hole on covering the ring surface, can block and fix a position on the skeleton arch, and then cover, do benefit to the installation and use, convenient high-efficient.

(3) The sealing device is made of polyurethane, can be compressed to a connecting surface for sealing, avoids leakage, and is safe and stable.

(4) The annular framework is coated inside the outer ring, so that the strength of the framework can be enhanced, stable support is facilitated, and sealing is facilitated.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged view of the connection of the covering ring at a position a in fig. 2 according to the present invention;

FIG. 4 is a schematic perspective view of the ring-shaped frame of the present invention;

fig. 5 is a schematic perspective view of the covering ring of the present invention.

The reference numbers in the figures illustrate:

the device comprises an outer ring 1, an avoidance ring 11, an inner ring 12, a dustproof ring 13, a sealing ring 14, an arc-shaped circular groove 15, a sealing spring 16, a circular skeleton 17, a circular groove 2, a skeleton protrusion 21, a through hole 22, a covering circular ring 23 and a clamping hole 24.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, a bearing oil seal of a floating machine head comprises an outer ring 1, referring to fig. 1, 2 and 4, an avoiding ring 11 is arranged at the middle position of the outer surface of the outer ring 1, and the diameter of the local position of the outer ring 1 can be reduced, so that when the bearing oil seal is installed, the contact area with a sealing groove can be reduced, the friction resistance is reduced, the bearing oil seal is convenient to position and place, and the installation is convenient, and the balance and the stability are ensured, an inner ring 12 is fixedly connected to the inner side surface of the outer ring 1, a dust ring 13 is fixedly connected to the lower end of the inner side surface of the inner ring 12, a sealing ring 14 is arranged at the upper end of the inner side surface of the inner ring 12, an arc-shaped ring groove 15 is arranged at the upper end of the outer surface of the inner ring 12, a sealing spring 16 is fixedly clamped on the inner side surface of the arc-, do benefit to the use, sealing spring 16 is located between outer lane 1 and the inner circle 12, the fixed ring shape skeleton 17 that inlays in the inside of outer lane 1, through inside cladding ring shape skeleton 17, can strengthen the structural strength of outer lane 1, do benefit to stable installation, and then carry out the skeleton to inner circle 12 and support, improve the stability and the sealed effect of installation, the lower surface of outer lane 1 is equipped with annular groove 2, the lower fixed surface of ring shape skeleton 17 is connected with skeleton arch 21, skeleton arch 21 is located annular groove 2's inside intermediate position, the inside intermediate position of skeleton arch 21 is equipped with through-hole 22, in the dismantlement formula, can pass through the inside through-hole 22 of skeleton arch 21, insert the drag hook and directly outwards draw, convenient direct taking off, do benefit to the operation, need not break to tear open, avoid damaging aircraft nose.

Please refer to fig. 2, fig. 3 and fig. 5, the inner side surface of the annular groove 2 is clamped with the covering ring 23, the outer surface of the covering ring 23 is provided with a clamping hole 24, the inner side surface of the clamping hole 24 is clamped on the outer surface of the framework protrusion 21, during normal use, the covering ring 23 is clamped inside the annular groove 2 through the clamping hole 24 for positioning, so as to cover the framework protrusion 21, avoid damage and interference, and facilitate use.

During the use, can overlap inner circle 12 on the aircraft nose pole, then inside pushing into hookup location's sealed recess, at this moment through dodging ring 11 and reducing the area of contact of 1 surface in outer lane and sealed recess, and then reduce the resistance, do benefit to the installation and target in place, convenient operation, the surface of aircraft nose pole is compressed tightly through the inside sealing ring 14 of inner circle 12 like this, can seal the connection face, convenient and stable, and when needing to dismantle the maintenance, can take off and cover ring 23, expose 2 inside skeleton archs 21 of annular groove, can use the drag hook to insert inside through-hole 22, directly outwards draw and take out the skeleton oil blanket, convenient operation need not break open, avoid damaging the aircraft nose pole, safety and high efficiency, do benefit to installation and dismantlement.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a bearing oil seal of unsteady aircraft nose, includes outer lane (1), its characterized in that: the outer surface intermediate position of outer lane (1) is equipped with dodges ring (11), the inboard fixed surface of outer lane (1) is connected with inner circle (12), the inboard fixed surface lower extreme fixedly connected with dust ring (13) of inner circle (12), the inboard surface upper end of inner circle (12) is equipped with sealing ring (14), the surface upper end of inner circle (12) is equipped with arc ring groove (15), the inboard fixed surface joint of arc ring groove (15) has sealing spring (16), sealing spring (16) are located between outer lane (1) and inner circle (12), the inside fixed of outer lane (1) is inlayed and is had ring shape skeleton (17), the lower surface of outer lane (1) is equipped with annular groove (2), the lower fixed surface of ring shape skeleton (17) is connected with skeleton arch (21), skeleton arch (21) are located the inside intermediate position of annular groove (2), the middle position in the skeleton arch (21) is provided with a through hole (22).

2. The bearing oil seal of the floating machine head as claimed in claim 1, wherein: the inboard surface joint of annular groove (2) has cover ring (23), the surface that covers ring (23) is equipped with joint hole (24), the inboard surface joint in the surface of skeleton arch (21) of joint hole (24).

3. The bearing oil seal of the floating machine head as claimed in claim 1, wherein: the outer ring (1) and the inner ring (12) are both made of polyurethane materials, and the wall thickness is 3-5 mm.

4. The bearing oil seal of the floating machine head as claimed in claim 1, wherein: the circular ring-shaped framework (17) is made of carbon steel materials and completely covers the inner part of the outer ring (1).

5. The bearing oil seal of the floating machine head as claimed in claim 2, wherein: skeleton arch (21) and joint hole (24) all have five, and the circumference is to the angular uniform distribution that waits.