CN210510584U

CN210510584U - Tee joint connecting structure capable of being slightly lengthened and shortened

Info

Publication number: CN210510584U
Application number: CN201921306676.8U
Authority: CN
Inventors: 林晓宏
Original assignee: Marinetec Development (zhongshan) Ltd
Current assignee: Marinetec Development (zhongshan) Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-12
Anticipated expiration: 2029-08-13

Abstract

The utility model relates to a connector, in particular to a tee joint connecting structure capable of being slightly lengthened and shortened, which comprises a tee joint body, wherein threaded connectors are arranged at three through holes of the tee joint body, the threaded connectors are connected with connectors which are of hollow tubular structures, internal threads matched with the threaded connectors in a threaded manner are arranged on the circumferential inner walls of the connectors, a sealing ring structure is arranged on the circumferential outer wall of the threaded connectors and positioned between the connectors and the tee joint body, the sealing ring structure comprises an outer sealing ring and an inner sealing ring, an inner cavity is arranged in the outer sealing ring, the inner sealing ring is sleeved in the inner cavity and is in sliding connection with the inner cavity, a plurality of compression springs are arranged between the inner end wall of the inner cavity and the end wall of the inner sealing ring, the utility model can slightly adjust the position between a pipeline and the tee joint body by adjusting the position of the connectors, so that the connecting distance is extended, and the sealing ring structure is always attached to the joint, so that the sealing performance is ensured.

Description

Tee joint connecting structure capable of being slightly lengthened and shortened

Technical Field

The utility model relates to a connector, especially a tee junction structure that can prolong slightly and shorten.

Background

The tee joint is a common connecting piece in a hydraulic system pipeline, and a joint is generally adopted to carry out thread matching to carry out connection between the tee joint and the pipeline during connection, but because connection spaces in the hydraulic system are different, the connection distance of the pipeline needs to be slightly adjusted sometimes, and meanwhile, the sealing performance of the tee joint needs to be ensured, so that the proposal of the tee joint structure which can be slightly prolonged and shortened is particularly important.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve the above-mentioned drawbacks of the prior art by providing a slightly extendable and contractible three-way connection structure.

The utility model adopts the technical scheme as follows: comprises a tee body, threaded joints are arranged at three through holes of the tee body, the threaded joints are connected with joints which are of hollow tubular structures, an internal thread which is in threaded fit with the threaded connector is arranged on the circumferential inner wall of the connector, a sealing ring structure is arranged on the circumferential outer wall of the threaded connector and between the connector and the tee joint body, the sealing ring structure comprises an outer sealing ring and an inner sealing ring, an inner cavity is arranged in the outer sealing ring, the inner sealing ring is sleeved in the inner cavity and is in sliding connection with the inner cavity, a plurality of compression springs are arranged between the inner end wall of the inner cavity and the end wall of the inner sealing ring, a first through hole is arranged at the center of the inner cavity, a second through hole is arranged at the center of the inner sealing ring, the threaded joint sequentially penetrates through the first through hole and the second through hole and is respectively in sliding connection with the first through hole and the second through hole.

As an optimal technical solution of the utility model: the inner diameters of the first through hole and the second through hole are the same, and the first through hole and the second through hole are matched with the outer diameter of the threaded joint.

As an optimal technical solution of the utility model: and two ends of the compression spring are respectively bonded and fixed with the inner end wall of the inner cavity and the end wall of the inner sealing ring.

As an optimal technical solution of the utility model: the outer diameter of the inner sealing ring is matched with the inner diameter of the inner cavity.

The utility model discloses an adjust the position that connects, both can adjust the position between pipeline and the tee bend body slightly, make the distance that it is connected extend or shorten, with this installation environment that adapts to the difference, when the position that connects and screwed joint becomes nearly, it makes its inside seal ring retract toward the outside seal ring to support, compression spring makes it hold power simultaneously, when the position that connects and screwed joint becomes far away, can make inside seal ring extend from the outside seal ring again under compression spring's spring action, make it laminate the joint all the time, sealing performance has been guaranteed.

Drawings

Fig. 1 is a schematic overall structure diagram of the preferred embodiment of the present invention;

FIG. 2 is an exploded view of the overall structure of the preferred embodiment of the present invention;

fig. 3 is an exploded view of the structure of the sealing ring according to the preferred embodiment of the present invention.

The reference numbers illustrate:

the three-way valve comprises a three-way valve body 1, a threaded joint 10, a joint 2, internal threads 20, a sealing ring structure 3, an external sealing ring 30, a first through hole 300, an inner cavity 301, an internal sealing ring 31, a second through hole 310 and a compression spring 32.

Detailed Description

It should be noted that, in the present application, features of embodiments and embodiments can be combined with each other without conflict, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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 preferred embodiment of the present invention provides a tee connecting structure capable of being slightly extended and shortened, including a tee body 1, wherein three through holes of the tee body 1 are all provided with a screw joint 10, the screw joint 10 is connected with a joint 2, the joint 2 is a hollow tubular structure, an inner thread 20 in threaded fit with the screw joint 10 is provided on a circumferential inner wall of the joint 2, a sealing ring structure 3 is provided on a circumferential outer wall of the screw joint 10 and between the joint 2 and the tee body 1, the sealing ring structure 3 includes an outer sealing ring 30 and an inner sealing ring 31, an inner cavity 301 is provided in the outer sealing ring 30, the inner sealing ring 31 is sleeved inside the inner cavity 301 and slidably connected with the inner cavity 301, a plurality of compression springs 32 are provided between an inner end wall of the inner cavity 301 and an end wall of the inner sealing ring 31, a first through hole 300 is provided at a center of the inner cavity 301, a second, the nipple 10 passes through the first through-hole 300 and the second through-hole 310 in sequence and is slidably connected thereto, respectively.

In this embodiment, the inner diameters of the first through hole 300 and the second through hole 310 are the same and are matched with the outer diameter of the threaded joint 10, so that the outer sealing ring 30 and the inner sealing ring 31 are tightly attached to the circumferential outer wall of the threaded joint 10, and the sealing performance of the joint is ensured.

Further, both ends of the compression spring 32 are bonded and fixed to the inner end wall of the inner cavity 301 and the end wall of the inner seal ring 31, respectively, so that the compression spring 32 is fixed in the inner cavity 301.

Specifically, the outer diameter of the inner sealing ring 31 is matched with the inner diameter of the inner cavity 301, so that the inner sealing ring 31 is tightly sleeved in the outer sealing ring 30 to slide, and the sealing performance is further ensured.

Specifically, the outer sealing ring 30 and the inner sealing ring 31 are both made of rubber materials, and have good sealing performance.

When the three-way pipe fitting is used specifically, the joint 2 is rotated, the pipe fitting is matched with the thread of the threaded joint 10 to move back and forth in the axial direction, the position of the joint 2 is adjusted, then the pipe to be connected is in threaded connection with the other end of the joint 2, the position between the pipe and the three-way body 1 can be slightly adjusted, the connection distance between the pipe and the three-way body 1 is extended or shortened, the three-way pipe fitting is suitable for different installation environments, when the positions of the joint 2 and the threaded joint 10 become close, the three-way pipe fitting abuts against the inner sealing ring 31 to enable the inner sealing ring 31 to retract into the outer sealing ring 30, meanwhile, the compression spring 32 is compressed to enable the force to be stored, when the positions of the joint 2 and the threaded joint 10 become far, the inner sealing ring 31 can extend from the outer sealing ring 30 under the elastic force of the compression spring 32, and the.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tee junction structure that can prolong slightly and shorten, includes tee bend body (1), the three logical mouth department of tee bend body (1) all is equipped with screwed joint (10), its characterized in that: the threaded connector (10) is connected with a connector (2), the connector (2) is of a hollow tubular structure, an inner thread (20) in threaded fit with the threaded connector (10) is arranged on the inner wall of the circumference of the connector (2), a sealing ring structure (3) is arranged on the outer wall of the circumference of the threaded connector (10) and between the connector (2) and the tee joint body (1), the sealing ring structure (3) comprises an outer sealing ring (30) and an inner sealing ring (31), an inner cavity (301) is arranged in the outer sealing ring (30), the inner sealing ring (31) is sleeved inside the inner cavity (301) and is in sliding connection with the inner cavity (301), a plurality of compression springs (32) are arranged between the inner end wall of the inner cavity (301) and the end wall of the inner sealing ring (31), and a first through hole (300) is formed in the center of the inner cavity (301), a second through hole (310) is formed in the center of the inner sealing ring (31), and the threaded joint (10) sequentially penetrates through the first through hole (300) and the second through hole (310) and is respectively in sliding connection with the first through hole and the second through hole.

2. The slightly extendable and contractible three-way connection structure according to claim 1, wherein: the inner diameters of the first through hole (300) and the second through hole (310) are the same, and the first through hole and the second through hole are matched with the outer diameter of the threaded joint (10).

3. The slightly extendable and contractible three-way connection structure according to claim 1, wherein: and two ends of the compression spring (32) are respectively bonded and fixed with the inner end wall of the inner cavity (301) and the end wall of the inner sealing ring (31).

4. The slightly extendable and contractible three-way connection structure according to claim 1, wherein: the outer diameter of the inner sealing ring (31) is matched with the inner diameter of the inner cavity (301).