CN216201316U

CN216201316U - Combined type stainless steel joint with reliable fixed knot constructs

Info

Publication number: CN216201316U
Application number: CN202122700379.5U
Authority: CN
Inventors: 孙宝泉; 孙晓斌
Original assignee: Cangzhou Shuncheng Casting Co ltd
Current assignee: Cangzhou Shuncheng Casting Co ltd
Priority date: 2021-11-06
Filing date: 2021-11-06
Publication date: 2022-04-05
Anticipated expiration: 2031-11-06

Abstract

The utility model discloses a composite stainless steel joint with a reliable fixing structure, which comprises a joint body, a locking handle hinged on the joint body and a sealing ring arranged in the joint body, wherein a nesting sleeve is arranged in the joint body, and an annular mounting groove for clamping the sealing ring is formed between the nesting sleeve and the joint body. According to the utility model, by adopting a split type structure, a deeper annular mounting groove can be formed, the clamping and mounting of the sealing ring are realized, the clamping reliability of the fixing of the sealing ring is greatly improved, the integral sealing performance of the stainless steel joint is ensured, and meanwhile, the whole stainless steel joint has the advantages of high strength, long service life and strong practicability.

Description

Combined type stainless steel joint with reliable fixed knot constructs

Technical Field

The utility model relates to the technical field of joint connecting pieces, in particular to a composite stainless steel joint with a reliable fixing structure.

Background

The stainless steel quick connector is a common pipeline connecting tool, the structure of which is shown in figure 1, and comprises a connector body 1-1, a locking handle 1-2 hinged on the connector body 1-1 and a sealing ring 1-3 arranged in the connector body 1-1, wherein a retaining edge 1-4 is arranged in the connector body 1-1 and matched with the sealing ring 1-3, the outer diameter of the sealing ring 1-3 is slightly larger than the inner cavity of the connector body 1-1, namely, the installation of the sealing ring 1-3 is realized by an elastic clamping manner, the structure has the advantages of convenient installation and low manufacturing cost, but the defects are obvious, namely, the sealing ring is easy to fall off from a preset position in the using process due to the lack of a reliable fixing structure, the using effect is influenced, of course, the inner side of some connector bodies is provided with an annular clamping groove matched with the sealing ring, but in order to compromise the convenience of installation, the draw-in groove is shallow, and it is limited to promote the effect, so need urgently to develop a more reliable joint design to can realize the fixed effect more stable to the sealing washer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the defects in the prior art and provides the composite stainless steel joint with the reliable fixing structure, so that the defects in the prior art are effectively overcome.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a combined type stainless steel connects with reliable fixed knot constructs, includes to connect the body, articulates the locking handle on connecting the body and installs at this internal sealing washer that connects, connect this internal nestification that is provided with, form between nestification and the joint body and be used for the joint the annular mounting groove of sealing washer.

Furthermore, a limiting step is arranged on the joint body, and the nested end part abuts against the limiting step.

Further, the sealing ring comprises an outer ring portion, a middle ring portion and an inner ring portion, wherein the thickness of the middle ring portion is smaller than that of the outer ring portion and that of the inner ring portion.

Further, one side of sealing washer is the planar structure who sets up with nested tip laminating, well circle portion is provided with the arc indent structure in deviating from nested one side.

Further, the inner side of the sealing ring is a conical surface.

Further, the nesting and the joint body are in interference fit.

Furthermore, the nesting and the joint body are connected through a thread structure, and a screwing structure is arranged on the nesting.

Further, the screwing structure comprises a plurality of screwing grooves arranged on the nesting end face.

Further, the inner side of the nest is provided with an inner connecting thread.

Further, the outside of joint body is provided with external connection screw thread.

The technical scheme of the utility model has the following beneficial effects: according to the utility model, by adopting a split type structure, a deeper annular mounting groove can be formed, the clamping and mounting of the sealing ring are realized, the clamping reliability of the fixing of the sealing ring is greatly improved, the integral sealing performance of the stainless steel joint is ensured, and meanwhile, the whole stainless steel joint has the advantages of high strength, long service life and strong practicability.

Drawings

FIG. 1 is a schematic structural view of a prior art stainless steel joint;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

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

FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 5 is an end view of the nest of FIG. 4;

fig. 6 is a schematic structural diagram of a third embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2-3, the composite stainless steel joint with a reliable fixing structure in this embodiment includes a joint body 1, a locking handle 2 hinged to the joint body 1, and a sealing ring 3 installed in the joint body 1, wherein a nest 4 is provided in the joint body 1, and an annular installation groove 5 for clamping the sealing ring 3 is formed between the nest 4 and the joint body 1.

As shown in fig. 3, the joint body 1 is provided with a limiting step 101, and the end of the nest 4 abuts against the limiting step 101, so that the nest 4 can be limited in the installation process, and the seal ring 3 is prevented from being crushed by the nest 4.

Sealing washer 3 is including being located outer lane portion 301, well circle portion 302 and inner circle portion 303, the thickness of well circle portion 302 is less than the thickness of outer lane portion 301 and inner circle portion 303, the planar structure that one side of sealing washer 3 set up for the tip laminating with nested 4, well circle portion 302 is provided with arc indent structure 304 in the one side that deviates from nested 4, like this at the stainless steel joint in-process of connecting, a connecting pipe for the butt joint is at first laminated with inner circle portion 303, through setting up arc indent structure 304, do benefit to inner circle portion 303 and fill to the outside after being extrudeed, and then give sealing washer 3 better flexibility, with more reliable sealed effect between realization stainless steel joint and the connecting pipe, set up the inboard of sealing washer 3 into the conical surface simultaneously, improvement sealing washer 3's elasticity that can step forward, improve sealing performance.

The nest 4 and the joint body 1 can be connected by adopting different connection modes, as shown in fig. 2, in a first connection structure, the nest 4 and the joint body 1 are in interference fit, namely the outer diameter of the nest 4 is slightly larger than the diameter of a corresponding mounting hole on the joint body 1, and during installation, the nest 4 is directly pressed into the joint body 1 by using hydraulic equipment to form tight fit.

As shown in fig. 4-5, in the second embodiment, the nest 4 is connected with the joint body 1 through a thread structure, the thread structure comprises an external thread arranged on the nest 4 and an internal thread arranged on the joint body 1, a screwing structure is arranged on the nest 4, the screwing structure comprises a plurality of screwing grooves 401 arranged on the end surface of the nest 4, as shown in fig. 5, the screwing grooves 401 are uniformly arranged in four places, the assembly and disassembly of the nest 4 can be realized through a straight or cross screwing tool, and in addition, when the assembly of the nest 4 is realized through adopting the structure, the replacement of the sealing ring 3 after being worn is more facilitated because the nest 4 is easier to disassemble.

In order to realize the connection between the stainless steel joint and the pipeline, a connection structure is provided, as shown in fig. 2 and 4, the connection structure may be an internal connection thread 402 provided inside the nest 4, and an external connection thread is correspondingly provided on the pipeline, as shown in fig. 6, in the third embodiment, an external connection thread 102 is provided on the outside of the joint body 1, and an internal connection thread is correspondingly provided on the pipeline.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a combined type stainless steel connects with reliable fixed knot constructs, includes to connect the body, articulates the locking handle on connecting the body and installs and connect this internal sealing washer, its characterized in that: the connector is characterized in that a nesting sleeve is arranged in the connector body, and an annular mounting groove used for clamping the sealing ring is formed between the nesting sleeve and the connector body.

2. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the connector body is provided with a limiting step, and the end part of the nesting is abutted against the limiting step.

3. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the sealing ring comprises an outer ring portion, a middle ring portion and an inner ring portion, wherein the thickness of the middle ring portion is smaller than that of the outer ring portion and that of the inner ring portion.

4. The composite stainless steel joint with reliable fixing structure as claimed in claim 3, wherein: one side of sealing washer is the planar structure who sets up with nested tip laminating, well circle portion is provided with the arc indent structure deviating from nested one side.

5. The composite stainless steel joint with reliable fixing structure as claimed in claim 3, wherein: the inner side of the sealing ring is a conical surface.

6. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the nest and the joint body are in interference fit.

7. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the embedded sleeve is connected with the joint body through a thread structure, and a screwing structure is arranged on the embedded sleeve.

8. The composite stainless steel joint with reliable fixing structure as claimed in claim 7, wherein: the screwing structure comprises a plurality of screwing grooves arranged on the nesting end face.

9. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the inner side of the nest is provided with an internal connecting thread.

10. The composite stainless steel joint with reliable fixing structure as claimed in claim 1, wherein: the outer side of the joint body is provided with external connecting threads.