CN214662824U

CN214662824U - Ultrahigh pressure conical surface hard sealing four-way joint

Info

Publication number: CN214662824U
Application number: CN202023294895.4U
Authority: CN
Inventors: 黄道松
Original assignee: Nantong Naco Fluid Equipment Co Ltd
Current assignee: Nantong Naco Fluid Equipment Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-09
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a hard sealed cross joint of superhigh pressure conical surface, including the joint body, the thread groove has all been seted up to top, bottom and the left and right sides of the joint body, the cross chamber has been seted up to the inboard of the joint body, the inboard threaded connection of thread groove has the nut, the one end that the nut is close to the joint body has been seted up the slot, the inboard grafting of nut has the takeover, the outside threaded connection of takeover has the lantern ring, the pressure release hole has been seted up in the outside of takeover, the snap ring has been cup jointed in the outside of nut, the outside of nut is adjusted and is had lower snap ring, go up the outside fixedly connected with of snap ring and extend the board on two, go up the outside fixedly connected with inserted bar of extending the board, extend the board down and keep away from one side of snap ring and seted up the slot down. The ultrahigh pressure conical surface hard sealing four-way joint has strong high pressure resistance, is convenient to disassemble and assemble, and has good sealing effect.

Description

Ultrahigh pressure conical surface hard sealing four-way joint

Technical Field

The utility model belongs to the technical field of the four-way connection and specifically relates to a superhigh pressure conical surface seals four-way connection firmly.

Background

The four-way pipe joint is a pipe fitting for connecting pipelines at the branch positions of the pipelines, the common four-way pipe joint has the difference between equal diameter and different diameter, the pressure of liquid in the pipeline is usually required to be measured in real time when the pipeline is used, and the four-way pipe joint is a pipeline connecting piece and is used for connecting a main pipeline with a joint part of two or three branch pipelines.

In the existing industry standard, only PN2500 ultrahigh-pressure valves and pipe fittings are specified, but foreign customers often have 4138bar requirements, and need a four-way joint to be used in an ultrahigh-pressure environment, and the general four-way joint has weak high-pressure resistance, is inconvenient to assemble and disassemble and has poor sealing effect, so that the ultrahigh-pressure conical surface hard sealing four-way joint is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to solve the problem that prior art exists, the utility model provides a superhigh pressure conical surface seals cross joint firmly possesses high pressure resistant ability reinforce, and the dismouting of being convenient for, and sealed effectual advantage such as has solved general cross joint and has resisted high pressure resistant ability weak point, and the dismouting of being not convenient for, sealed not good problem of effect.

The technical scheme is as follows: in order to achieve the above purpose, the utility model can adopt the following technical proposal:

the utility model provides a super high pressure conical surface hard seal four-way connection, includes the joint body, the thread groove has all been seted up to top, bottom and the left and right sides of the joint body, the cross chamber has been seted up to the inboard of the joint body, the inboard threaded connection of thread groove has the nut, the slot has been seted up to the one end that the nut is close to the joint body, the inboard grafting of nut has the takeover, the outside threaded connection of takeover has the lantern ring, the pressure release hole has been seted up in the outside of takeover, the snap ring has been cup jointed in the outside of nut, the snap ring has been adjusted down in the outside of nut, go up two extension plates of outside fixedly connected with of snap ring, go up the outside fixedly connected with inserted bar of extension plate, two extension plates down in the outside fixedly connected with of snap ring, the draw-in groove has been seted up to one side that the snap ring was kept away from down to the extension plate down, the sealing washer has been cup jointed in the outside of nut.

Preferably, the four thread grooves are communicated with the cross cavity, and the four lantern rings are respectively spliced with the four slots.

Preferably, the inner diameter of the slot is larger than that of the nut, and the upper clamping ring and the lower clamping ring are both semicircular.

Preferably, the four sealing rings are all tightly attached to the joint body, and the inserted rod is in a hook shape.

Preferably, the hardness of the joint body, the hardness of the nut, the hardness of the connecting pipe and the hardness of the lantern ring are all HB330, and the inserted bar is clamped with the corresponding clamping groove.

Preferably, the four upper clamping rings are respectively attached to the four lower clamping rings, and the sealing rings are located on the inner sides of the upper clamping rings and the lower clamping rings which are opposite.

Has the advantages that: the utility model has the advantages of it is following:

through taking over outside threaded connection lantern ring, the lantern ring inserts in the slot, take over the nut that runs through, install on the nut taking over, rethread nut and thread groove threaded connection, it installs well to be about four-way connection, reverse operation can be with it dismantlement according to above-mentioned principle, the installation is convenient with the dismantlement, through the joint body, the nut, the hardness of taking over and the lantern ring is HB330, under high-pressure environment, there can be effectual holding compressive property, satisfy high-pressure service environment, run through the draw-in groove joint through the inserted bar, snap ring and last snap ring are connected down, thereby compress tightly the sealing washer, thereby promote the leakproofness between the nut and the joint body, this four-way connection, high pressure resistant ability is strong, and the dismouting of being convenient for, it is sealed effectual.

Drawings

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

fig. 2 is a left side view of the upper snap ring and the lower snap ring of the present invention.

Detailed Description

Referring to fig. 1-2, an ultrahigh pressure conical surface hard sealing four-way joint comprises a joint body 1, threaded grooves 2 are respectively arranged at the top, the bottom and the left and right sides of the joint body 1, a cross-shaped cavity 3 is arranged at the inner side of the joint body 1, four threaded grooves 2 are respectively communicated with the cross-shaped cavity 3, a nut 4 is in threaded connection with the inner side of each threaded groove 2, a slot 5 is arranged at one end of the nut 4 close to the joint body 1, the inner diameter of the slot 5 is larger than that of the nut 4, a connecting pipe 6 is inserted into the inner side of the nut 4, a lantern ring 7 is in threaded connection with the outer side of the connecting pipe 6, the hardness of the joint body 1, the nut 4, the connecting pipe 6 and the lantern ring 7 is HB330, the joint body 1, the nut 4, the connecting pipe 6 and the lantern ring 7 are all made of hard stainless steel 316, the four lantern rings 7 are respectively inserted into the four slots 5, a pressure relief hole 8 is arranged at the outer side of the connecting pipe 6, an upper snap ring 9 is sleeved on the outer side of the nut 4, a lower snap ring 10 is adjusted on the outer side of the nut 4, the upper snap ring 9 and the lower snap ring 10 are both in a semicircular shape, the four upper snap rings 9 are respectively tightly attached to the four lower snap rings 10, two upper extension plates 11 are fixedly connected to the outer side of the upper snap ring 9, an insertion rod 12 is fixedly connected to the outer side of the upper extension plate 11, the insertion rod 12 is in a hook shape, two lower extension plates 13 are fixedly connected to the outer side of the lower snap ring 10, a clamping groove 14 is formed in one side, far away from the lower snap ring 10, of each lower extension plate 13, the insertion rod 12 is clamped with the corresponding clamping groove 14, a sealing ring 15 is sleeved on the outer side of the nut 4, the four sealing rings 15 are respectively tightly attached to the connector body 1, the sealing ring 15 is positioned on the inner sides of the upper snap ring 9 and the lower snap ring 10 which are opposite, a lantern ring 7 is in threaded connection through the outer side of the connecting pipe 6, the lantern ring 7 is inserted into the inserting groove 5, the connecting pipe 6 penetrates through the nut 4, the connecting pipe 6 is installed on the nut 4 and is in threaded connection with the threaded groove 2, be about to the four-way connection and install, can dismantle it according to above-mentioned principle reverse operation, the installation is convenient with the dismantlement, is HB330 through the hardness that connects body 1, nut 4, takeover 6 and lantern ring 7, under high-pressure environment, can have effectual holding compressive resistance, satisfy high-pressure service environment, run through draw-in groove 14 joint through inserted bar 12, will descend snap ring 10 and last snap ring 9 to be connected, thereby compress tightly sealing washer 15, thereby promote nut 4 and the leakproofness that connects between the body 1.

When using, through taking over 6 outside threaded connection lantern rings 7, lantern ring 7 inserts in slot 5, take over 6 and run through nut 4, install on nut 4 taking over 6, rethread

nut

4 and 2 threaded connection of thread groove, be about to four-way connection installs, reverse operation can be dismantled it according to above-mentioned principle, the installation is convenient with the dismantlement, through the joint body 1, nut 4, the hardness of taking over 6 and lantern ring 7 is HB330, under high-pressure environment, there can be effectual holding compressive property, satisfy high-pressure service environment, run through draw-in groove 14 joint through inserted bar 12, snap ring 10 and last snap ring 9 are connected down, thereby compress tightly sealing washer 15, thereby promote nut 4 and the leakproofness that connects between the body 1.

The utility model discloses a superhigh pressure conical surface hard seal four-way connection, through take over 6 outside threaded connection lantern ring 7, lantern ring 7 inserts in the slot 5, take over 6 runs through nut 4, install take over 6 on nut 4, and then through nut 4 and thread groove 2 threaded connection, will four-way connection installs, reverse operation can dismantle it according to above-mentioned principle, it is convenient to install and dismantle, through the connector body 1, nut 4, take over 6 and lantern ring 7 hardness be HB330, under high-pressure environment, can have the effective compressive resistance that keeps, satisfy high-pressure service environment, run through draw-in groove 14 joint through inserted bar 12, will go down snap ring 10 and last snap ring 9 to connect, thereby compress tightly sealing washer 15, thereby promote the leakproofness between nut 4 and the connector body 1, this four-way connection, high pressure resistance is strong, and the dismouting of being convenient for, good sealing effect, general four-way connection high pressure resistance weak can be solved, and the sealing structure is inconvenient to disassemble and assemble and has poor sealing effect.

Claims

1. The utility model provides an ultrahigh pressure conical surface seals four-way connection firmly, includes the joint body (1), its characterized in that: the joint comprises a joint body (1), threaded grooves (2) are formed in the top, the bottom and the left side and the right side of the joint body (1), a cross cavity (3) is formed in the inner side of the joint body (1), nuts (4) are connected to the inner side of the threaded grooves (2) in a threaded manner, slots (5) are formed in one ends, close to the joint body (1), of the nuts (4), connecting pipes (6) are inserted into the inner sides of the nuts (4), lantern rings (7) are connected to the outer sides of the connecting pipes (6) in a threaded manner, pressure relief holes (8) are formed in the outer sides of the connecting pipes (6), upper snap rings (9) are sleeved on the outer sides of the nuts (4), lower snap rings (10) are adjusted on the outer sides of the nuts (4), two upper extension plates (11) are fixedly connected to the outer sides of the upper snap rings (9), insert rods (12) are fixedly connected to the outer sides of the upper extension plates (11), two lower extension plates (13) are fixedly connected to the outer sides of the lower snap rings (10), one side of the lower extension plate (13) far away from the lower clamping ring (10) is provided with a clamping groove (14), and the outer side of the nut (4) is sleeved with a sealing ring (15).

2. The ultrahigh pressure conical surface hard sealing four-way joint according to claim 1, wherein: the four thread grooves (2) are communicated with the cross-shaped cavity (3), and the four lantern rings (7) are respectively spliced with the four slots (5).

3. The ultrahigh pressure conical surface hard sealing four-way joint according to claim 1, wherein: the inner diameter of the slot (5) is larger than that of the nut (4), and the upper clamping ring (9) and the lower clamping ring (10) are both semicircular.

4. The ultrahigh pressure conical surface hard sealing four-way joint according to claim 1, wherein: the four sealing rings (15) are tightly attached to the joint body (1), and the inserted rod (12) is hook-shaped.

5. The ultrahigh pressure conical surface hard sealing four-way joint according to claim 1, wherein: the hardness of the connector body (1), the nut (4), the connecting pipe (6) and the lantern ring (7) is HB330, and the inserted bar (12) is clamped with the corresponding clamping groove (14).

6. The ultrahigh pressure conical surface hard sealing four-way joint according to claim 1, wherein: the four upper snap rings (9) are tightly attached to the four lower snap rings (10) respectively, and the sealing rings (15) are located on the inner sides of the upper snap rings (9) and the lower snap rings (10) which are opposite.