CN211423655U

CN211423655U - Sealing structure of tee joint and screw pump bearing seat

Info

Publication number: CN211423655U
Application number: CN201921863539.4U
Authority: CN
Inventors: 王欣强
Original assignee: Chongqing Mingzhu Mechanical & Electric Co ltd
Current assignee: Chongqing Mingzhu Mechanical & Electric Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-09-04
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a seal structure of tee bend and screw pump bearing frame, including tee bend and bearing frame assembly the terminal surface of bearing frame assembly sets up first connector ring tee bend connector terminal surface is provided with the second go-between, first connector ring stretches into in the second go-between the outer terminal surface inner wall of second go-between is the chamfer angle form the cover is equipped with the sealing washer that the cross-section is triangle-shaped on the first connector ring, this sealing washer with terminal surface inner wall structure suits outside the second go-between, the utility model discloses simple structure directly sets up the chamfer at tee bend port inner wall, overlaps the sealing washer and establishes epaxial can realize sealedly, simple to operate, and is sealed effectual, and the sealing washer of cross-section triangle-shaped's outer polymer ceramic granule wear-resistant coating that adopts, more wear-resisting, and life is longer.

Description

Sealing structure of tee joint and screw pump bearing seat

Technical Field

The utility model relates to a mechanical seal technical field specifically is a seal structure of tee bend and screw pump bearing frame.

Background

With the progress of science and technology, the development of various industries is continuously promoted. The sealing ring is widely applied to the fields of hardware and plastics, water supply and drainage, heating, ventilation and air conditioning, fire control, pharmacy, ships, pipeline systems and the like, automobiles, motorcycles, various machines, household appliances, electronics, toys, sports equipment, pneumatic elements, bathrooms and the like.

The sealing mode that present tee bend and screw pump bearing frame were used commonly has two kinds, one is seted up the groove at the tee bend terminal surface, installs O type sealing washer in the inslot, and the other one is set up sealed asbestos pad at tee bend and bearing frame contact position, but the first kind is troublesome to install, and drops easily, causes the poor condition of sealed effect, and the second kind of sealing mode can only be used for once only sealedly, and the unable reuse of sealing member easily causes the waste of resource, has increased the cost, for this, the utility model provides an it is simple and convenient to install, sealed effectual, and can repetitious installation seal structure of using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an it is simple and convenient to install, sealed effectual, and the seal structure of tee bend and screw pump bearing frame that can use of installing many times in order to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of tee bend and screw pump bearing frame, includes tee bend and bearing frame assembly the terminal surface of bearing frame assembly sets up first go-between the connector terminal surface of tee bend is provided with the second go-between, first go-between stretches into in the second go-between the outer terminal surface inner wall of second go-between is the form of chamfer the cover is equipped with the sealing washer that the cross-section is triangle-shaped on the first go-between, this sealing washer with terminal surface inner wall structure suits outside the second go-between.

Preferably, the mounting groove has been seted up on the terminal surface of bearing frame assembly, and sealing washer one end is contradicted on the mounting groove, avoid because pressure is too big, and produce the displacement, let the sealing washer card advance the junction of tee bend and bearing frame, cause the poor problem of sealed effect.

Preferably, the outer layer of the sealing ring is a wear-resistant layer, the inner layer of the sealing ring is made of rubber with uniform latticed cross sections, and the service life is longer.

Preferably, the wear-resistant layer is a high-molecular ceramic particle wear-resistant coating.

Preferably, the inner wall of the outer end face of the second connecting ring is provided with a limiting groove, a protrusion is arranged on the contact surface of the sealing ring and the second connecting ring, and the protrusion is matched with the limiting groove, so that displacement caused by overlarge pressure is avoided.

Preferably, a sealing groove is further formed in the outer end face of the second connecting ring, an O-shaped sealing ring is arranged in the sealing groove, and the O-shaped sealing ring is in sealing contact with the end face of the bearing seat assembly, so that the sealing effect is better.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure directly sets up the chamfer at tee bend port inner wall, establish the sealing washer cover epaxial can realize sealedly, simple to operate, sealed effectual, cross-section triangle's sealing washer skin adopts the wear-resisting coating of polymer ceramic granule, more wear-resisting, life is longer, has seted up the chamfer on the kneck inner wall of tee bend and bearing frame, has seted up the mounting groove on the shaft shoulder of axle, the sealing washer is difficult for producing the displacement, is absorbed in the condition in gap, and sealed effect is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of fig. 1-a of the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and 2, a sealing structure of a tee joint and a screw pump bearing seat comprises a tee joint 1 and a bearing seat assembly 2, wherein a first connecting ring 3 is arranged on the end surface of the bearing seat assembly 2, an installation groove 4 is arranged on the end surface of the bearing seat assembly 2, one end of a sealing ring 5 is abutted against the installation groove 4, so that the problem of poor sealing effect caused by displacement due to overlarge pressure and clamping of the sealing ring into the joint of the tee joint 1 and the bearing seat is avoided, a second connecting ring 9 is arranged on the end surface of a connector of the tee joint 1, the first connecting ring 3 extends into the second connecting ring 9, the inner wall of the outer end surface of the second connecting ring 9 is in an inverted right angle shape, the sealing ring 5 with a triangular cross section is sleeved on the first connecting ring 3, the sealing ring 5 is adapted to the inner wall structure of the outer end surface of the second connecting ring 9, a limiting groove 6 is arranged on the inner wall of the outer, sealing washer 5 with be equipped with the arch on the contact surface of second go-between 9, this arch with spacing groove 6 cooperation avoids producing the displacement because pressure is too big, 5 skin of sealing washer be the wearing layer, and the inlayer is even latticed rubber material for the cross-section, and life is longer, the wearing layer is polymer ceramic granule wear-resistant coating still seted up seal groove 7 on the outer terminal surface of second go-between 9, is equipped with O type sealing washer 8 in the seal groove 7, this O type sealing washer 8 with the end face seal contact of bearing frame assembly 2, sealed effect is better.

The working principle is as follows: the sealing ring 5 is sleeved on the first connecting ring 3, one side of the sealing ring is abutted on the end face of the bearing seat assembly 2 and located in the mounting groove 4, the O-shaped sealing ring 8 is placed in the sealing groove 7, the shaft is penetrated in the tee joint 1, the sealing ring 5 is attached to the chamfer of the tee joint, the bulge of the sealing ring 5 is installed in the limiting groove of the chamfer of the tee joint 1, the tee joint and the bearing seat are connected and fixed, and sealing is achieved simultaneously.

Claims

1. A sealing structure of a tee joint and a screw pump bearing seat comprises a tee joint (1) and a bearing seat assembly (2), and is characterized in that a first connecting ring (3) is arranged on the end face of the bearing seat assembly (2), a second connecting ring (9) is arranged on the end face of a connector of the tee joint (1), and the first connecting ring (3) extends into the second connecting ring (9);

the inner wall of the outer end face of the second connecting ring (9) is in a shape of an inverted right angle, a sealing ring (5) with a triangular section is sleeved on the first connecting ring (3), and the sealing ring (5) is matched with the inner wall structure of the outer end face of the second connecting ring (9).

2. The sealing structure of the tee joint and the screw pump bearing seat according to claim 1, wherein: the bearing seat assembly is characterized in that an installation groove (4) is formed in the end face of the bearing seat assembly (2), and one end of a sealing ring (5) abuts against the installation groove (4).

3. The sealing structure of the tee joint and the screw pump bearing seat according to claim 1, wherein: the outer layer of the sealing ring (5) is a wear-resistant layer, and the inner layer is made of rubber with uniform latticed cross sections.

4. The sealing structure of the tee joint and the screw pump bearing seat according to claim 3, wherein: the wear-resistant layer is a high-molecular ceramic particle wear-resistant coating.

5. The sealing structure of the tee joint and the screw pump bearing seat according to claim 1, wherein: and a limiting groove (6) is formed in the inner wall of the outer end face of the second connecting ring (9), a protrusion is arranged on the contact surface between the sealing ring (5) and the second connecting ring (9), and the protrusion is matched with the limiting groove (6).

6. The sealing structure of the tee joint and the screw pump bearing seat according to claim 1, wherein: the outer end face of the second connecting ring (9) is further provided with a sealing groove (7), an O-shaped sealing ring (8) is arranged in the sealing groove (7), and the O-shaped sealing ring (8) is in sealing contact with the end face of the bearing seat assembly (2).