CN213039808U

CN213039808U - Metal sealing ring convenient to installation

Info

Publication number: CN213039808U
Application number: CN202020776398.9U
Authority: CN
Inventors: 张希明
Original assignee: Zhejiang Guangcheng Industrial Co ltd
Current assignee: Zhejiang Guangcheng Industrial Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-04-23
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses a metal seal ring convenient to installation relates to the sealing ring field, including last becket, the one end of going up the becket is provided with down the becket, and goes up the becket and all be provided with spacing hole with the inside of becket down, the inner wall connection in spacing hole has spacing post, spacing post is kept away from the becket and all is fixed with the rubber pad with the one end of becket down, the rubber pad is close to the one end of spacing post and is located the outside of spacing post and be provided with the layer of pasting, the inside of going up becket, lower becket and rubber pad all is provided with the breach. The utility model discloses a set up spacing post, spacing hole and paste the layer, align with spacing post on two rubber pads respectively with last becket, the lower becket to the plastic film who will paste the layer surface covering takes out, later will paste layer and last becket, lower becket contact, can accomplish the rubber pad installation, and prevent that the rubber pad from droing, improved the installation effectiveness.

Description

Metal sealing ring convenient to installation

Technical Field

The utility model relates to a sealing ring field specifically is a metal seal ring convenient to installation.

Background

The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, and the sealing ring is tightly abutted against the inner hole wall of the static element by the elasticity of the pressed notch, so that the sealing effect can be achieved. Each contact surface is hardened and polished. The sealing ring is made of chromium-containing wear-resistant cast iron and can be used at the sliding speed of less than 100 m/s; if the sliding speed is in the range of 60 to 80m/s, the seal ring may be made of tin bronze.

However, present metal seal ring texture is harder, collides with other objects in the use and is impaired easily, is provided with the rubber pad on the current metal seal ring usually to improve metal seal ring's life, but unable quick install rubber pad and metal seal ring, lead to the installation effectiveness not high, when the sealing ring received external force, the sealing ring can't take place to rotate simultaneously, lead to the rubber pad to take place to distort the damage easily under the effect of power, reduced the life of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the metal sealing ring convenient to mount is provided in order to solve the problems that the mounting efficiency is not high, the rubber pad is easy to distort and damage under the action of force, and the service life of the device is shortened.

In order to achieve the above object, the utility model provides a following technical scheme: a metal sealing ring convenient to install comprises an upper metal ring and a clamping block, wherein a lower metal ring is arranged at one end of the upper metal ring, limiting holes are formed in the upper metal ring and the lower metal ring, limiting columns are connected to the inner walls of the limiting holes, rubber pads are fixed to the ends, far away from the upper metal ring and the lower metal ring, of the limiting columns, adhesive layers are arranged at one ends, close to the limiting columns, of the rubber pads and located on the outer sides of the limiting columns, notches are formed in the inner portions of the upper metal ring, the lower metal ring and the rubber pads, circular grooves are formed in the inner portions, close to each other, of the upper metal ring and the lower metal ring, balls are arranged in the circular grooves, strip-shaped grooves are formed in the upper metal ring, springs are fixed to the inner walls of the strip-shaped grooves, telescopic columns are connected to one ends of the springs, connecting grooves are formed in the telescopic columns, one end of the connecting groove is connected with a first spring.

Preferably, the inner wall of the limiting hole is matched with the outer wall of the limiting column, and the upper metal ring and the lower metal ring are connected with the rubber pad through the limiting column.

Preferably, lubricating oil is arranged at the position where the circular groove is contacted with the balls, the number of the balls is multiple, and the balls are equidistantly distributed in the upper metal ring and the lower metal ring.

Preferably, one end of the clamping block, which is far away from the telescopic column, is of a hemispherical structure, an annular groove is formed in the position where the lower metal ring is in contact with the clamping block, and the width of the annular groove is equal to the distance between the two clamping blocks.

Preferably, lubricating oil is arranged at the position where the fixture block is in contact with the lower metal ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up spacing post, spacing hole and paste the layer, align the spacing post on two rubber pads with the spacing hole on upper metal ring, lower metal ring respectively to take out the plastic film that pastes the surface covering, later with pasting the layer and contacting with upper metal ring, lower metal ring, can accomplish the rubber pad installation, and prevent that the rubber pad from droing, improved the installation effectiveness;

2. the utility model discloses a set up circular slot, ball, fixture block, when last becket and becket down received different external forces, external force drove last becket or becket down and rotates, and at this moment, the ball can effectively reduce go up the becket and down the frictional force between the becket, and simultaneously, the fixture block rotates in the becket internal ring channel down to reduce the influence of external force to the device, play the effect of extension fixture life-span.

Drawings

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

FIG. 2 is a cross-sectional view of the upper metal ring of the present invention;

fig. 3 is a partial enlarged view of the position a of the present invention.

In the figure: 1. an upper metal ring; 2. a lower metal ring; 3. a limiting hole; 4. a rubber pad; 5. an adhesive layer; 6. a limiting column; 7. a notch; 8. a circular groove; 9. a first spring; 10. a ball bearing; 11. a strip-shaped groove; 12. a second spring; 13. a telescopic column; 14. a clamping block; 15. and connecting the grooves.

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.

Referring to fig. 1-3, a metal seal ring convenient to mount comprises an upper metal ring 1 and a clamping block 14, wherein a lower metal ring 2 is arranged at one end of the upper metal ring 1, a limiting hole 3 is arranged inside the upper metal ring 1 and the lower metal ring 2, a limiting post 6 is connected with the inner wall of the limiting hole 3, a rubber pad 4 is fixed at one end of the limiting post 6 far away from the upper metal ring 1 and the lower metal ring 2, an adhesive layer 5 is arranged at one end of the rubber pad 4 close to the limiting post 6 and outside the limiting post 6, notches 7 are arranged inside the upper metal ring 1, the lower metal ring 2 and the rubber pad 4, a circular groove 8 is arranged inside one end of the upper metal ring 1 and the lower metal ring 2 close to each other, a ball 10 is arranged inside the circular groove 8, a strip-shaped groove 11 is arranged inside the upper metal ring 1, a second spring 12 is fixed on the inner wall of the strip-shaped groove 11, and a telescopic post 13 is connected with one end of, the inside of telescopic column 13 is provided with connecting groove 15, and the one end of connecting groove 15 is connected with spring 9.

Please refer to fig. 1, the inner wall of the limiting hole 3 is engaged with the outer wall of the limiting post 6, and the upper metal ring 1, the lower metal ring 2 and the rubber pad 4 are connected by the limiting post 6, so as to prevent the rubber pad 4 from being installed at an incorrect position when the rubber pad 4 is installed.

Please refer to fig. 2, the lubricating oil is disposed at the position where the circular groove 8 contacts the balls 10, so as to reduce the friction between the balls 10 and the circular groove 8, the number of the balls 10 is plural, and the plural balls 10 are equidistantly distributed inside the upper metal ring 1 and the lower metal ring 2, so as to facilitate the rotation of the plural balls 10, thereby further reducing the friction between the upper metal ring 1, the lower metal ring 2 and the balls 10.

Please refer to fig. 3, one end of the latch 14 away from the telescopic column 13 is a hemispherical structure, so that the latch 14 is forced to move toward the connecting groove 15, an annular groove is disposed at a position where the lower metal ring 2 contacts the latch 14, a width of the annular groove is equal to a distance between the two latches 14, so that the latch 14 can rotate inside the lower metal ring 2 through the annular groove.

Please refer to fig. 3, the position where the latch 14 contacts the lower metal ring 2 is provided with a lubricant, so as to reduce the friction between the latch 14 and the lower metal ring 2.

The working principle is as follows: firstly, when the device is assembled, the circular groove 8 is placed into the last ball 10 in the lower metal ring 2, then the telescopic column 13 is aligned to the right upper side of the annular groove, the telescopic column 13 drives the fixture block 14 to move towards the direction of the annular groove, when the fixture block 14 is contacted with the lower metal ring 2, the fixture block 14 is forced to move towards the inner wall of the connecting groove 15 until the fixture block 14 completely moves to the inner wall of the connecting groove 15, pressure is continuously applied to the telescopic column 13 until the fixture block 14 is aligned with the annular groove, and at the moment, the fixture block 14 is clamped into the inner wall of the annular groove under the action of the resetting force of the connecting groove 15; then, aligning the limiting columns 6 on the two rubber pads 4 with the limiting holes 3 on the upper metal ring 1 and the lower metal ring 2 respectively, taking out the plastic film covered on the surface of the adhesive layer 5, and then contacting the adhesive layer 5 with the upper metal ring 1 and the lower metal ring 2, so that the rubber pads 4 can be installed and the rubber pads 4 are prevented from falling off; finally, in the using process of the device, the upper metal ring 1 and the lower metal ring 2 cannot be in direct contact with other objects, so that the upper metal ring 1 and the lower metal ring 2 are prevented from being damaged due to collision, and the service life of the upper metal ring 1 and the service life of the lower metal ring 2 are prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a metal seal ring convenient to installation, includes becket (1) and fixture block (14), its characterized in that: a lower metal ring (2) is arranged at one end of the upper metal ring (1), a limiting hole (3) is formed in each of the upper metal ring (1) and the lower metal ring (2), a limiting column (6) is connected to the inner wall of the limiting hole (3), a rubber pad (4) is fixed to one end, far away from the upper metal ring (1) and the lower metal ring (2), of the limiting column (6), a sticking layer (5) is arranged at one end, close to the limiting column (6), of the rubber pad (4) and located on the outer side of the limiting column (6), notches (7) are formed in each of the upper metal ring (1), the lower metal ring (2) and the rubber pad (4), a circular groove (8) is formed in one end, close to each other, of the upper metal ring (1) and the lower metal ring (2), balls (10) are arranged in each circular groove (8), a strip-shaped groove (11) is formed in each of the upper metal ring (1), the inner wall in bar groove (11) is fixed with No. two spring (12), the one end of No. two spring (12) is connected with flexible post (13), the inside of flexible post (13) is provided with spread groove (15), the one end of spread groove (15) is connected with spring (9).

2. A metal seal ring for ease of installation according to claim 1, wherein: the inner wall of the limiting hole (3) is matched with the outer wall of the limiting column (6), and the upper metal ring (1), the lower metal ring (2) and the rubber pad (4) are connected through the limiting column (6).

3. A metal seal ring for ease of installation according to claim 1, wherein: the position department that circular slot (8) and ball (10) contacted is provided with lubricating oil, the quantity of ball (10) is a plurality of, and a plurality of ball (10) equidistance distribute in the inside of last becket (1) and lower becket (2).

4. A metal seal ring for ease of installation according to claim 1, wherein: one end, far away from the telescopic column (13), of the clamping block (14) is of a hemispherical structure, an annular groove is formed in the position, where the lower metal ring (2) is in contact with the clamping block (14), and the width of the annular groove is equal to the distance between the two clamping blocks (14).

5. A metal seal ring for ease of installation according to claim 1, wherein: and lubricating oil is arranged at the position where the clamping block (14) is contacted with the lower metal ring (2).