CN215980080U

CN215980080U - High-pressure mechanical sealing element for high-pressure jet pump

Info

Publication number: CN215980080U
Application number: CN202122450835.5U
Authority: CN
Inventors: 黄虎
Original assignee: Jiangsu Keao Fluid Technology Co ltd
Current assignee: Gaodao Sealing Technology Suzhou Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-08
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to the technical field of mechanical sealing, and discloses a high-pressure mechanical sealing element for a high-pressure jet pump, which comprises a connecting pipe, wherein two sides of the connecting pipe are provided with connecting heads, a connecting port communicated with the connecting pipe is arranged on each connecting head, one side of each connecting head, corresponding to the inner wall of the connecting pipe, is fixedly provided with a ring III, the ring III is kept attached to the inner wall of the connecting pipe, two sides of the connecting pipe are respectively provided with a ring groove, a ring II is arranged at the position, corresponding to the ring groove, of each connecting head and is clamped with the corresponding ring groove, a spring is fixedly arranged inside the corresponding ring groove and is fixedly connected with the ring II, a ring I is fixedly arranged on each connecting head, the inner wall of the ring I is attached to the outer wall of the connecting pipe, a matching bolt penetrates through the ring I to fixedly connect the connecting heads at two ends of the connecting pipe, and the novel arrangement can achieve the effect of multiple sealing, so that the sealing effect is more excellent.

Description

High-pressure mechanical sealing element for high-pressure jet pump

Technical Field

The utility model relates to the technical field of mechanical sealing, in particular to a high-pressure mechanical sealing element for a high-pressure jet pump.

Background

The mechanical seal for the pump is a component which is installed and operated in pump equipment and has the starting state sealing function, and prevents fluid media in the volute of the water pump from flowing out of the water pump through the pump shaft.

The mechanical seal for the pump is penetrated to current height generally gives consideration to when leakproofness, generally only adopts the individual layer to seal, then the sealing washer is gone up in the collocation and waterproof circle is sealed in cooperation, consequently such setting can't reach the sealed effect of multilayer, for this we have proposed a high pressure mechanical seal for pump that penetrates height.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-pressure mechanical sealing element for a high-pressure jet pump, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a high pressure mechanical seal spare for high jet pump, includes the connecting pipe, and the both sides of connecting pipe are provided with the connector, set up the connector with the connecting pipe intercommunication on the connector, one side fixed mounting that the connector corresponds the connecting pipe inner wall has ring three, and ring three keeps the laminating with the inner wall of connecting pipe, and the ring channel has all been seted up to the both sides of connecting pipe, installs ring two on the position that the connector corresponds the ring channel, ring two and ring channel joint, the inside fixed mounting of ring channel has the spring, spring and two fixed connection of ring, fixed mounting has ring one on the connector, the inner wall of ring one is laminated with the lateral wall of connecting pipe, and the cooperation bolt passes ring one, with connector fixed connection at the both ends of connecting pipe, this novel such setting can, plays multiple sealed effect for sealed effect is more outstanding.

Preferably, the inner wall both sides of connecting pipe all fixed mounting have with the three O shape circles of laminating of ring, through having increased the increase leakproofness that O shape circle can be further.

Preferably, the equal fixed mounting in one end that the ring three of the corresponding both sides of connecting pipe is close to each other has annular connecting block, every the equal fixed mounting in one side that annular connecting block is close to ring three has annular dog, and annular dog is located ring three insidely, and such setting makes annular connecting block cooperation annular dog wrap up ring three, and when such setting makes the connecting pipe inside have liquid to pass through, prevent that it from directly impacting ring three, reduces the possibility that liquid directly enters into the clearance between ring three and the connecting pipe.

Preferably, the middle part of the connecting pipe is provided with a recess, and the diameter of the recess is gradually increased from two sides to the middle, so that when liquid passes through the inside of the connecting pipe, the storage space in the connecting pipe can be increased, and the impact force of water flow passing through can be properly reduced.

Preferably, four threaded holes used for being connected with the flange plate are formed in the connecting head.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-pressure mechanical sealing element for a high-pressure jet pump, which has the following beneficial effects:

1. this high pressure mechanical seal spare for high jet pump through having set up ring one, ring two and ring three, can carry out the sealed effect of three-layer to the both ends of connecting pipe, such improvement that sets up the at utmost has sealed effect, prevents that fluid medium from outside through the outflow water pump.

2. This high pressure mechanical seal for high jet pump through having set up O shape circle, further increase the leakproofness of this device.

3. This high pressure mechanical seal spare for high jet pump, through having set up annular dog, annular dog is located ring three insidely, and such setting makes annular connecting block cooperation annular dog wrap up ring three, and such setting prevents that it from directly impacting ring three when making the connecting pipe inside have liquid to pass through, reduces the possibility that liquid directly enters into the clearance between ring three and the connecting pipe.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic side view of the connecting head;

fig. 3 is a schematic perspective side sectional view of a connection tube.

In the figure: 1. a connecting pipe; 2. recessing; 3. a connector; 4. a connecting port; 5. a first circular ring; 6. a second circular ring; 7. a third circular ring; 8. an annular groove; 9. a spring; 10. an O-shaped ring; 11. an annular connecting block; 12. annular dog.

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 high pressure mechanical seal for a high-pressure jet pump, includes a connecting pipe 1, connectors 3 are disposed on two sides of the connecting pipe 1, a connecting port 4 communicated with the connecting pipe 1 is disposed on each connector 3, a ring three 7 is fixedly mounted on one side of each connector 3 corresponding to an inner wall of the connecting pipe 1, the ring three 7 is in contact with the inner wall of the connecting pipe 1, ring grooves 8 are disposed on two sides of the connecting pipe 1, a ring two 6 is mounted on the connector 3 corresponding to the ring groove 8, the ring two 6 is connected with the ring groove 8, a spring 9 is fixedly mounted inside the ring groove 8, the spring 9 is fixedly connected with the ring two 6, a ring one 5 is fixedly mounted on the connector 3, the inner wall of the ring one 5 is in contact with an outer side wall of the connecting pipe 1, a bolt is matched to pass through the ring one 5, and the connectors 3 are fixedly connected to two ends of the connecting pipe 1, play multiple sealed effect for sealed effect is more outstanding.

Furthermore, the two sides of the inner wall of the connecting pipe 1 are fixedly provided with O-shaped rings 10 attached to the three circular rings 7, and the sealing performance can be further improved by adding the O-shaped rings 10.

Further, the equal fixed mounting in one end that the three 7 of rings that correspond both sides of connecting pipe 1 are close to each other has annular connecting block 11, the equal fixed mounting in one side that every annular connecting block 11 is close to three 7 of rings has annular dog 12, annular dog 12 is located inside three 7 of rings, such setting makes annular connecting block 11 cooperation annular dog 12 wrap up three 7 of rings, such setting makes when connecting pipe 1 is inside to have liquid to pass through, prevent that it from directly impacting three 7 of rings, reduce the possibility that liquid directly enters into the clearance between three 7 of rings and connecting pipe 1.

Furthermore, the middle part of the connecting pipe 1 is provided with a recess 2, the diameter of the recess 2 is gradually increased from two sides to the middle, and the arrangement enables the storage space inside the connecting pipe 1 to be increased when liquid passes through the inside of the connecting pipe 1, so that the impact force of water flow passing through can be properly reduced.

Furthermore, four threaded holes for connecting with the flange plate are formed in the connector 3.

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 high-pressure mechanical seal spare for high jet pump, includes connecting pipe (1), and the both sides of connecting pipe (1) are provided with connector (3), offer connector (4) with connecting pipe (1) intercommunication on connector (3), its characterized in that: one side fixed mounting that connector (3) corresponds connecting pipe (1) inner wall has ring three (7), and ring three (7) keep laminating with the inner wall of connecting pipe (1), and ring channel (8) have all been seted up to the both sides of connecting pipe (1), installs ring two (6) on connector (3) corresponds the position of ring channel (8), ring two (6) and ring channel (8) joint, the inside fixed mounting of ring channel (8) has spring (9), spring (9) and ring two (6) fixed connection, fixed mounting has ring one (5) on connector (3), the inner wall of ring one (5) and the lateral wall laminating of connecting pipe (1).

2. The high pressure mechanical seal for an overhead jet pump according to claim 1, wherein: and O-shaped rings (10) attached to the third ring (7) are fixedly mounted on two sides of the inner wall of the connecting pipe (1).

3. The high pressure mechanical seal for an overhead jet pump according to claim 1, wherein: the connecting pipe is characterized in that the annular connecting blocks (11) are fixedly mounted at one ends, close to the three circular rings (7) on the two corresponding sides of the connecting pipe (1), of the connecting pipe, one side, close to the three circular rings (7), of each annular connecting block (11) is fixedly mounted with an annular stop block (12), and the annular stop blocks (12) are located inside the three circular rings (7).

4. The high pressure mechanical seal for an overhead jet pump according to claim 1, wherein: the middle part of the connecting pipe (1) is provided with a recess (2).

5. The high pressure mechanical seal for an overhead jet pump according to claim 1, wherein: four threaded holes used for being connected with the flange plate are formed in the connector (3).