CN213450983U

CN213450983U - Hydraulic equipment mechanical seal structure

Info

Publication number: CN213450983U
Application number: CN202022700130.XU
Authority: CN
Inventors: 戴勇; 唐开胜
Original assignee: Taixing City Madian Water Control Project Service Center
Current assignee: Taixing City Madian Water Control Project Service Center
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-15
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of mechanical sealing, and discloses a hydraulic equipment mechanical sealing structure, which comprises a movable ring seat, wherein one end of the movable ring seat is provided with a connecting groove, the other end of the movable ring seat is connected with a spring seat, a movable ring is arranged in the connecting groove, one end of the movable ring extending to the outside of the movable ring seat is connected with a static ring, a connecting shaft penetrates through the static ring, the movable ring seat and the spring seat, sealing springs are arranged at two ends of the inner part of the spring seat close to one side of the connecting shaft, cavity grooves are arranged at two sides of the inner wall of the connecting groove, the movable ring can be limited and fixed in the connecting groove through the matching of a positioning column and a positioning hole, and the gap between the movable ring and the inner wall of the connecting groove can be greatly reduced through the matching of the springs and a silica gel pad, so that the outer wall of, the sealing effect is improved, the connecting strength of the movable ring is enhanced, and the movable ring is prevented from loosening.

Description

Hydraulic equipment mechanical seal structure

Technical Field

The utility model belongs to the technical field of mechanical seal, concretely relates to hydraulic equipment mechanical seal structure.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, keeping fit and sliding relatively under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.

In chinese patent with patent number CN201420248345.4, a mechanical seal structure of water pump is disclosed, the device is through setting up the sealing washer in the spread groove of rotating ring seat, in order to increase the sealing performance between rotating ring and the rotating ring seat, but the rotating ring combines inseparably with the spread groove inner wall when using in reality, the clearance of production is great, influence sealed effect, and easily not hard up, joint strength is relatively poor, in addition, the last pivot of hydraulic equipment can produce great heat at the rotation in-process, and seal structure is difficult to lead the heat away fast, the device is ageing to a long time can be accelerated, influence the life of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic equipment mechanical seal structure to the rotating ring that proposes in solving above-mentioned background art combines inseparably with the spread groove inner wall, and seal structure is difficult to lead the problem of leaving the heat fast.

In order to achieve the above object, the utility model provides a following technical scheme: a mechanical sealing structure of hydraulic equipment comprises a movable ring seat, wherein one end of the movable ring seat is provided with a connecting groove, the other end of the movable ring seat is connected with a spring seat, a movable ring is arranged in the connecting groove, one end of the movable ring extending to the outside of the movable ring seat is connected with a static ring, a connecting shaft penetrates through the static ring, the dynamic ring seat and the spring seat, sealing springs are respectively arranged at two ends of the interior of the spring seat close to one side of the connecting shaft, two sides of the inner wall of the connecting groove are both provided with cavity grooves, springs are arranged inside the cavity grooves, one end of each spring extending to the inside of the connecting groove is connected with a silica gel pad, locating holes are formed in two sides of one end, far away from the static ring, of the movable ring, a sealing ring is mounted on the inner wall of the connecting groove and located outside the connecting shaft, and locating columns matched with the locating holes are connected to two ends of the side wall of the sealing ring.

Preferably, the outer wall of the movable ring seat is provided with heat dissipation holes, the inner wall of the movable ring seat is provided with a heat dissipation ring, and the inner wall of the heat dissipation ring is connected with an anti-abrasion ring.

Preferably, the inner wall of the positioning hole is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-slip groove.

Preferably, the heat dissipation holes are of hollow cylindrical structures, and the intervals of the two adjacent heat dissipation holes are equal.

Preferably, the movable ring seat is annular, and two ends of the outer wall of the movable ring seat are smooth.

Preferably, the inner diameters of the static ring and the dynamic ring are the same, and the outer diameters of the static ring and the dynamic ring are smaller than the outer diameter of the dynamic ring seat.

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

(1) the utility model discloses a cooperation of reference column and locating hole can restrict the rotating ring and fix in the spread groove, and through the cooperation of spring and silica gel pad, can reduce the clearance between rotating ring and the spread groove inner wall greatly to make the outer wall of rotating ring and the inner wall of spread groove combine closely, improved sealed effect, strengthened the joint strength of rotating ring, prevented that the rotating ring from taking place not hard up.

(2) The utility model discloses a wearability between rotating ring seat and the connecting axle can be strengthened to the abrasionproof ring to the inner wall degree of wear of rotating ring seat when reducing the assembly can be with the heat to external diffusion rapidly under the cooperation of cooling ring and louvre simultaneously, thereby effectually plays the radiating effect, has improved the radiating efficiency, has prolonged the life of device greatly.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1-a stationary ring; 2-moving ring seat; 3-heat dissipation holes; 4-spring seats; 5-a connecting shaft; 6-sealing spring; 7-sealing ring; 8-cavity groove; 9-connecting groove; 10-a moving ring; 11-a spring; 12-a heat dissipation ring; 13-an anti-wear ring; 14-a locating post; 15-positioning holes; 16-silica gel pad.

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, the present invention provides the following technical solutions: a mechanical sealing structure of water conservancy equipment comprises a movable ring seat 2, one end of the movable ring seat 2 is provided with a connecting groove 9, the other end of the movable ring seat 2 is connected with a spring seat 4, a movable ring 10 is arranged inside the connecting groove 9, one end of the movable ring 10 extending to the outside of the movable ring seat 2 is connected with a stationary ring 1, a connecting shaft 5 penetrates through the stationary ring 1, the movable ring 10, the movable ring seat 2 and the spring seat 4, one side of two ends inside the spring seat 4 close to the connecting shaft 5 is provided with a sealing spring 6, two sides of the inner wall of the connecting groove 9 are provided with cavity grooves 8, a spring 11 is arranged inside the cavity grooves 8, one end of the spring 11 extending to the inside of the connecting groove 9 is connected with a silica gel pad 16, two sides of one end of the movable ring 10 far away from the stationary ring 1 are provided with positioning holes 15, a sealing ring 7 is arranged on the inner wall of the connecting groove, through inserting reference column 14 in locating hole 15, can restrict and fix rotating ring 10 in spread groove 9, use under spring 11 and silica gel pad 16's cooperation simultaneously, the clearance between rotating ring 10 and the spread groove 9 inner wall has reduced greatly to make the outer wall of rotating ring 10 and the inner wall of spread groove 9 combine closely, improved sealed effect, simultaneously further fix rotating ring 10 in rotating ring seat 2, strengthened the joint strength of rotating ring 10, prevented that rotating ring 10 from taking place to become flexible.

Further, louvre 3 has been seted up to the outer wall of rotating ring seat 2, and rotating ring seat 2's inner wall installs cooling ring 12, the inner wall connection of cooling ring 12 has abrasionproof ring 13, abrasionproof ring 13 adopts the copper to make, can strengthen the wearability between rotating ring seat 2 and the connecting axle 5, thereby the inner wall degree of wear of rotating ring seat 2 when reducing the assembly, simultaneously can lead the heat on the sealed department connecting axle 5 to cooling ring 12 fast through abrasionproof ring 13, then through louvre 3 outside diffusion rapidly, and then the effectual radiating effect that plays, and the heat dissipation efficiency is improved, and the service life of the device is prolonged.

Further, the backing plate is installed to the inner wall of locating hole 15, and the backing plate plays firm effect, and the antiskid groove has been seted up to the outer wall of backing plate.

Specifically, the heat dissipation holes 3 are hollow cylindrical structures, and the intervals between two adjacent heat dissipation holes 3 are equal, and the heat dissipation holes 3 have a heat dissipation effect.

Specifically, the movable ring seat 2 is annular, and two ends of the outer wall of the movable ring seat 2 are smooth, so that the skin can be prevented from being scratched through smooth arrangement.

Specifically, the inner diameters of the stationary ring 1 and the moving ring 10 are the same, and the outer diameters of the stationary ring 1 and the moving ring 10 are smaller than the outer diameter of the moving ring seat 2.

The utility model discloses a theory of operation and use flow: when the utility model is used, the stationary ring 1, the movable ring 10, the movable ring seat 2 and the spring seat 4 can be respectively sleeved on the connecting shaft 5 on the hydraulic equipment and are connected together through bolts, wherein the stationary ring 1 and the movable ring 10 are of a welding integrated structure, when the movable ring 10 is installed on the movable ring seat 2, the positioning column 14 can be firstly inserted into the positioning hole 15, the movable ring 10 is limited and fixed in the connecting groove 9, simultaneously, under the matching use of the spring 11 and the silica gel pad 16, the gap between the movable ring 10 and the inner wall of the connecting groove 9 is greatly reduced, thereby the outer wall of the movable ring 10 is tightly combined with the inner wall of the connecting groove 9, the sealing effect is improved, simultaneously, the movable ring 10 is further fixed in the movable ring seat 2, the connecting strength of the movable ring 10 is enhanced, the movable ring 10 is prevented from loosening, in addition, the wear resistance between the movable ring seat 2 and the connecting shaft 5 can be enhanced through the anti-wear ring 13, thereby the inner wall degree of wear of rotating ring seat 2 when reducing the assembly can lead the heat on the sealed department connecting axle 5 to the cooling ring 12 fast through abrasionproof ring 13 simultaneously, then through louvre 3 outside diffusion rapidly, and then the effectual radiating effect that plays, has improved the radiating efficiency, has prolonged the life of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic equipment mechanical seal structure which characterized in that: the movable ring sealing device comprises a movable ring seat (2), wherein a connecting groove (9) is formed in one end of the movable ring seat (2), a spring seat (4) is connected to the other end of the movable ring seat (2), a movable ring (10) is installed inside the connecting groove (9), a static ring (1) is connected to one end, extending to the outside of the movable ring seat (2), of the movable ring (10), a connecting shaft (5) penetrates through the static ring (1), connecting shafts (5) are arranged between the static ring (1), the movable ring seat (2) and the spring seat (4), sealing springs (6) are installed on one sides, close to the connecting shaft (5), of two ends inside the spring seat (4), cavity grooves (8) are formed in two sides of the inner wall of the connecting groove (9), springs (11) are installed inside the cavity grooves (8), one ends, extending to the inside of the connecting groove (9), of the springs (11) are connected with a silica gel pad (16), and positioning holes (15) are formed in, the inner wall of connecting groove (9) just is located the externally mounted of connecting axle (5) and has sealing washer (7), the lateral wall both ends of sealing washer (7) all are connected with and position column (14) with locating hole (15) assorted.

2. The mechanical seal structure of hydraulic equipment according to claim 1, wherein: the outer wall of the moving ring seat (2) is provided with heat dissipation holes (3), the inner wall of the moving ring seat (2) is provided with a heat dissipation ring (12), and the inner wall of the heat dissipation ring (12) is connected with an anti-abrasion ring (13).

3. The mechanical seal structure of hydraulic equipment according to claim 1, wherein: the inner wall of the positioning hole (15) is provided with a backing plate, and the outer wall of the backing plate is provided with an anti-slip groove.

4. The mechanical seal structure of hydraulic equipment according to claim 2, wherein: the radiating holes (3) are of hollow cylindrical structures, and the intervals of two adjacent radiating holes (3) are equal.

5. The mechanical seal structure of hydraulic equipment according to claim 1, wherein: the movable ring seat (2) is annular, and two ends of the outer wall of the movable ring seat (2) are smooth.

6. The mechanical seal structure of hydraulic equipment according to claim 1, wherein: the inner diameters of the static ring (1) and the moving ring (10) are the same, and the outer diameters of the static ring (1) and the moving ring (10) are smaller than the outer diameter of the moving ring seat (2).