CN216078269U

CN216078269U - Hydraulic mechanical sealing element convenient to replace

Info

Publication number: CN216078269U
Application number: CN202122057417.XU
Authority: CN
Inventors: 童慧; 童英琦; 王海荣; 赵佳佳; 李海阳
Original assignee: JIANGSU GOLDEN EAGLE FLUID MACHINERY CO Ltd
Current assignee: JIANGSU GOLDEN EAGLE FLUID MACHINERY CO Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-18
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of mechanical sealing elements and discloses a hydraulic mechanical sealing element convenient to replace. When the pull block is not used, the pull block is placed in the corresponding clamping groove, then the T-shaped sliding block drives the fixing block to penetrate through the corresponding communicating hole and be inserted into the corresponding fixing groove on the pull block under the action of the two elastic forces of the spring, so that the pull block is limited, the pull block is fixedly clamped in the corresponding clamping groove, and the problem that the operation of equipment is influenced due to the fact that the pull block is exposed outside is solved.

Description

Hydraulic mechanical sealing element convenient to replace

Technical Field

The utility model relates to the technical field of mechanical sealing elements, in particular to a hydraulic mechanical sealing element convenient to replace.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to a rotation axis under the action of fluid pressure and the elasticity of a compensation mechanism and under the coordination of auxiliary seal.

Through retrieval application number CN202022290822.1 discloses a hydraulic pressure mechanical seal spare of convenient change, structural design is reasonable, convenient dismantlement installation, and the abrasionproof decreases the circle and can increase life, and the sealing washer can improve whole hydraulic pressure mechanical seal spare's sealed effect, adopts the top fastener to dismantle and is provided with sealed apron, adopts the bottom fastener to dismantle and is provided with the abrasionproof and decreases the circle, and the convenient dismantlement is changed.

Although the scheme is convenient to detach and replace the mechanical sealing element, the detaching handle in the scheme is exposed, so that the operation and the use of the equipment can be influenced. To this end, we propose a hydromechanical seal that is easy to replace.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects of the prior art, the utility model provides a hydraulic mechanical sealing element which is convenient to replace, and solves the problems.

Technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a hydraulic mechanical sealing element convenient to replace comprises a main body, wherein a sealing pipe fitting is sleeved on the main body, the lower wall surface of the sealing pipe fitting is movably clamped with a protective ring, the upper wall surface of the sealing pipe fitting is movably clamped with a sealing ring, two clamping grooves are symmetrically arranged on the outer wall surface of the sealing ring, the inner parts of the two clamping grooves are movably clamped with a pulling block, the outer wall surface of the sealing ring is provided with T-shaped sliding grooves at one side of the two clamping grooves in the clockwise direction, a T-shaped sliding block is movably clamped inside the T-shaped sliding groove, a fixed block is fixedly arranged on one side wall surface of the T-shaped sliding block close to the pulling block, the inside of T shape slider is close to one side wall of corresponding draw-in groove and has seted up the intercommunicating pore, draw the piece and be close to one side wall of corresponding fixed block and seted up the fixed slot, the inside shape size of fixed slot and the shape size looks adaptation of fixed block.

Preferably, two draw a piece side wall fixed mounting that is close to each other there is the connecting block, two the internal face of draw-in groove has seted up the spread groove corresponding to the position of drawing the piece on the connecting block, the inside shape size of spread groove and the shape size looks adaptation of connecting block, the inside of connecting block activity joint at the spread groove.

Preferably, a second spring is fixedly mounted on one side wall surface, far away from the corresponding clamping groove, of the inner portion of each of the two T-shaped sliding blocks, and the second spring is fixedly connected with the corresponding T-shaped sliding block.

Preferably, two inside mutually close side wall of spread groove all fixed mounting have a spring one, spring one and the connecting block fixed connection who corresponds.

Preferably, pull grooves are formed in the lower wall surfaces of the two pull blocks.

Advantageous effects

Compared with the prior art, the utility model provides a hydraulic mechanical sealing element convenient to replace, which has the following beneficial effects:

1. this hydraulic mechanical seal spare of convenient change, through setting up the fixed block, when using when not using and drawing the piece, will draw the piece and put into the inside that corresponds the draw-in groove, then T shape slider is under the effect of two elastic forces of spring, drive the fixed block and run through the intercommunicating pore that corresponds and insert the inside that corresponds and draw the piece and go up the fixed slot, thereby reach and play a spacing effect to drawing the piece, let its fixed joint in the inside that corresponds the draw-in groove, thereby avoided drawing the exposed problem that influences equipment operation outside of piece.

2. This hydraulic mechanical seal spare of convenient change, through setting up spring one, after drawing the inside that the piece got into the draw-in groove, spring one receives the extrusion of connecting block and takes place deformation, when needs are changed sealed pipe fitting and are overhauld, only need stir T shape slider towards the one side of keeping away from corresponding draw-in groove, let the fixed block break away from the inside that corresponds the fixed slot, draw the piece this moment and lost the spacing inside of popping out corresponding draw-in groove under the influence of spring elasticity, then the staff alright draw the piece through two and dismantle it and change.

3. This hydraulic mechanical seal spare of convenient change through setting up the kerve, draws the arc wall kerve that the wall was seted up under the piece two, has improved the handheld stability when drawing the piece of staff, has improved the practicality of this equipment.

Drawings

FIG. 1 is an overall perspective view of the present invention;

FIG. 2 is a top view of the seal ring of the present invention;

FIG. 3 is a bottom perspective view of the pull block of the present invention.

In the figure: 1. a main body; 2. sealing the pipe fitting; 3. a guard ring; 4. a seal ring; 5. a card slot; 6. pulling the block; 7. connecting grooves; 8. connecting blocks; 9. a first spring; 10. a T-shaped chute; 11. a T-shaped slider; 12. a second spring; 13. a fixed block; 14. a communicating hole; 15. fixing grooves; 16. and (6) groove drawing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a hydraulic mechanical seal element convenient for replacement comprises a main body 1, the main body 1 is of a conventional structure, and in no way is described, a sealing pipe 2 is sleeved on the main body 1, the sealing pipe 2 is of a conventional structure, in no way is described, a protection ring 3 is movably clamped on the lower wall surface of the sealing pipe 2, a sealing ring 4 is movably clamped on the upper wall surface of the sealing pipe 2, the protection ring 3 and the sealing ring 4 are connected in a conventional manner, two clamping grooves 5 are symmetrically arranged on the outer wall surface of the sealing ring 4, pull blocks 6 are movably clamped inside the two clamping grooves 5, the shape and size of the pull blocks 6 are matched with the shape and size inside the clamping grooves 5, a T-shaped sliding groove 10 is arranged on one side of the outer wall surface of the sealing ring 4, which is located in the clockwise direction of the two clamping grooves 5, a T-shaped sliding block 11 is movably clamped inside the T-shaped sliding groove 10, one side wall fixed mounting that T shape slider 11 is close to and draws piece 6 has fixed block 13, fixed block 13 is curved piece, intercommunicating pore 14 has been seted up to one side wall that the inside of T shape slider 11 is close to corresponding draw-in groove 5, intercommunicating pore 14 is the curved through-hole of section, and the inside shape size of intercommunicating pore 14 and the shape size looks adaptation of fixed block 13, draw piece 6 to be close to one side wall that corresponds fixed block 13 and seted up fixed slot 15, the inside shape size of fixed slot 15 and the shape size looks adaptation of fixed block 13, fixed block 13 runs through the inside that corresponds intercommunicating pore 14 and gets into the inside that corresponds fixed slot 15.

Two draw a lateral wall fixed mounting that 6 are close to each other of piece to have connecting block 8, and connecting block 8 is the piece that the section is T shape, and spread groove 7 has been seted up for the internal face of two draw-in grooves 5 corresponds the position of drawing connecting block 8 on 6, and the inside shape size of spread groove 7 and the shape size looks adaptation of connecting block 8, the inside of connecting block 8 activity joint at spread groove 7.

A second spring 12 is fixedly mounted on one side wall face, far away from the corresponding clamping groove 5, of the inner portions of the two T-shaped sliding blocks 11, the second spring 12 is of an existing structure, the second spring 12 is in a tight state, and the second spring 12 is fixedly connected with the corresponding T-shaped sliding block 11.

When not using when drawing piece 6 when using, will draw piece 6 and put into the inside that corresponds draw-in groove 5, then T shape slider 11 drives fixed block 13 and runs through corresponding intercommunicating pore 14 and insert and correspond the inside that draws fixed slot 15 on piece 6 under the effect of two 12 spring forces of spring, thereby reach and play a spacing effect to drawing piece 6, let its fixed joint in the inside that corresponds draw-in groove 5, thereby avoided drawing piece 6 to expose the problem that influences equipment operation outside.

The inside equal fixed mounting in a side wall face that is close to each other of two spread grooves 7 has spring 9, spring 9 and the connecting block 8 fixed connection who corresponds.

After drawing piece 6 to get into the inside of draw-in groove 5, spring 9 receives the extrusion of connecting block 8 to take place deformation, when needs are changed sealed pipe fitting 2 and are overhauld, only need stir towards one side of keeping away from corresponding draw-in groove 5T shape slider 11, let fixed block 13 break away from the inside that corresponds fixed slot 15, draw piece 6 this moment and lost the spacing inside that pops out corresponding draw-in groove 5 under the influence of spring 9 elasticity, then the staff alright draw piece 6 through two and dismantle the change to it.

Pull grooves 16 are formed in the lower wall surfaces of the two pull blocks 6, and the two pull grooves 16 are arc-shaped grooves.

Through the arc wall pull groove 16 that two pull blocks 6 lower wall surfaces were seted up, stability when having improved the handheld pull block 6 of staff has improved this equipment's practicality.

Principle of operation

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic mechanical seal spare of convenient change, includes main part (1), cup joint on main part (1) and be provided with sealed pipe fitting (2), the lower wall activity joint of sealed pipe fitting (2) has guard ring (3), the last wall activity joint of sealed pipe fitting (2) has sealing washer (4), its characterized in that: two draw-in grooves (5) have been seted up to the outer wall symmetry of sealing washer (4), and the equal activity joint in inside of two draw-in grooves (5) has been drawn piece (6), T shape spout (10) have all been seted up to the outer wall that is located two draw-in grooves (5) clockwise one side of sealing washer (4), the inside activity joint of T shape spout (10) has T shape slider (11), one side wall fixed mounting that T shape slider (11) are close to and draw piece (6) has fixed block (13), one side wall that the inside of T shape slider (11) is close to corresponding draw-in groove (5) has seted up intercommunicating pore (14), draw piece (6) to be close to one side wall that corresponds fixed block (13) and seted up fixed slot (15), the inside shape size of fixed slot (15) and the shape size looks adaptation of fixed block (13).

2. The hydromechanical seal that facilitates replacement of the claim 1, wherein: two draw a side wall fixed mounting that piece (6) are close to each other has connecting block (8), two connecting groove (7) have been seted up to the internal face of draw-in groove (5) corresponding position of drawing piece (6) on connecting block (8), the inside shape size of connecting groove (7) and the shape size looks adaptation of connecting block (8), connecting block (8) activity joint is in the inside of connecting groove (7).

3. The hydromechanical seal that facilitates replacement of the claim 1, wherein: two equal fixed mounting in inside of T shape slider (11) keep away from one side wall face that corresponds draw-in groove (5) has spring two (12), spring two (12) and the T shape slider (11) fixed connection that corresponds.

4. A hydromechanical seal to facilitate replacement according to claim 2, wherein: two equal fixed mounting in inside one side wall face that is close to each other of spread groove (7) has spring (9), spring (9) and connecting block (8) fixed connection that correspond.

5. The hydromechanical seal that facilitates replacement of the claim 1, wherein: pull grooves (16) are formed in the lower wall surfaces of the two pull blocks (6).