CN216306986U

CN216306986U - Sealed pneumatic terminal joint

Info

Publication number: CN216306986U
Application number: CN202122716947.0U
Authority: CN
Inventors: 高梅良
Original assignee: Zhejiang Quzhou Yinglite Pneumatic Machinery Technology Co ltd
Current assignee: Zhejiang Quzhou Yinglite Pneumatic Machinery Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-15
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a sealed pneumatic terminal joint, aiming at solving the problem that the structure of a quick connector is not fastened enough. The key points of the technical scheme are as follows: including the screw thread body of attach fitting and attach fitting swing joint, the surface of the screw thread body is provided with the external screw thread, be provided with external screw thread matched with internal thread on the inner wall of attach fitting, be provided with the clamping piece that is used for pressing from both sides tight pipeline on the screw thread body, the installation cavity has been seted up on the inner wall of attach fitting, the installation cavity sets up along attach fitting inner wall a week, the installation cavity internal rotation is connected with rotates the circle and rotates circle gomphosis in the installation cavity, the clamping piece includes the cladding circle with screw thread body fixed connection, it is provided with a plurality of clamping pieces to be the circumference array on the cladding circle, cladding circle and clamping piece fixed connection, the clamping piece is contradicted with rotating the circle. According to the utility model, the threaded body provided with the pipeline is connected into the connecting joint, and the pipeline is clamped through the coating ring and the clamping piece arranged in the connecting joint, so that the connection stability between the connecting joint and the threaded body is improved.

Description

Sealed pneumatic terminal joint

Technical Field

The utility model relates to a joint, in particular to a sealed pneumatic terminal joint.

Background

The pneumatic connector is mainly used for air piping and pneumatic tools, and can realize pipeline connection or disconnection without tools. The existing quick connector is connected through threads when an external air pipe is installed, and is only sealed through a sealing ring, the sealing effect is poor, the structural connection is not fastened enough, and the pipeline end is easy to drop and loosen in the process of being connected with the connector. Therefore, a solution is proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a sealed pneumatic terminal joint, wherein a threaded body provided with a pipeline is connected into a connecting joint, the pipeline is clamped through a coating ring and a clamping piece arranged in the connecting joint, and the connecting stability between the connecting joint and the threaded body is improved.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a sealed pneumatic terminal joint, includes attach fitting and attach fitting swing joint's the thread body, the surface of the thread body is provided with the external screw thread, be provided with external screw thread matched with internal thread on attach fitting's the inner wall, be provided with the clamping piece that is used for pressing from both sides tight pipeline on the thread body, the installation cavity has been seted up on attach fitting's the inner wall, installation cavity along attach fitting inner wall a week setting, the installation cavity internal rotation is connected with rotates the circle and rotates circle gomphosis in the installation cavity, the clamping piece includes the cladding circle with thread body fixed connection, it is provided with a plurality of clamping pieces to be the circumference array on the cladding circle, cladding circle and clamping piece fixed connection, the clamping piece is contradicted with the rotation circle.

By adopting the technical scheme, when in use, one end of the pipeline penetrates through the thread body, and a gap is formed between the clamping pieces, so that the clamping pieces have deformation spaces, after the pipeline penetrates through the pipeline, a plurality of clamping pieces can extend along with the embedding of the pipeline, so that the clamping pieces are tightly attached to the outer surface of the pipeline, the outer surface of the thread body is provided with external threads which are connected with internal threads arranged in the connecting joint, in the process of connecting the thread body and the connecting joint, the coating ring and the clamping pieces which are fixedly connected on the thread body can move inwards along with the mutual rotation of the thread body and the connecting joint, in the moving process, the rotating ring arranged in the installation cavity arranged on the inner wall of the connecting joint further limits the coating ring and the clamping pieces, so that the coating ring and the clamping pieces further clamp the pipeline, and the thread body and the connecting joint are tightly connected, reduce the gap, promote holistic connection stability, avoid pipeline and attach fitting to produce gas leakage, drop etc. at the in-process that uses.

The utility model is further configured to: the connecting joint and the thread body are all members made of metal materials.

Through adopting above-mentioned technical scheme, the metal material can independently select according to the production demand of difference, makes through adopting the all-metal material, can promote the intensity, the hardness and the wear-resisting of attach fitting and screw body, has prolonged holistic life.

The utility model is further configured to: the inner wall of the clamping piece is fixedly connected with an elastic lug.

Through adopting above-mentioned technical scheme, when elastic convex block contradicts with the surface of pipeline, can increase the friction between pipeline and the elastic convex block, press from both sides tightly the pipeline through elastic convex block cooperation clamping piece, avoid the pipeline to produce the condition of skew or droing at the in-process that uses.

The utility model is further configured to: the inner wall of the connecting joint is fixedly connected with a clamping block, the clamping block is arranged in an L shape and is provided with a cavity, a sealing ring is arranged in the cavity, and the bottom of the thread body is abutted against the sealing ring.

Through adopting above-mentioned technical scheme, promote the connection compactness between pipeline and the fixture block through the sealing washer to avoid the pipeline to produce the leakage at gas transmission in-process, promote the stability of being connected of attach fitting and screw body.

The utility model is further configured to: one side of the clamping block is provided with a bevel edge.

Through adopting above-mentioned technical scheme, make things convenient for the tip of pipeline to enter into the cavity through the hypotenuse that sets up on the fixture block at the in-process of connecting to cooperate with the sealing washer that sets up in the cavity and fix the position of pipeline.

The utility model is further configured to: the thread body is fixedly connected with a limiting ring, and the outer part of the limiting ring is arranged in a hexagonal shape.

Through adopting above-mentioned technical scheme, the outward appearance of spacing collar is personally submitted the hexagonal setting and is made things convenient for the user's use tool to carry out the normal running fit attach fitting to the screw thread body and press from both sides tightly.

The utility model is further configured to: the bottom of spacing collar has seted up the arc wall, fixedly connected with and the inconsistent circle of borduring of arc wall on the connecting joint.

Through adopting above-mentioned technical scheme, the arc wall seted up through the bottom of spacing collar contradicts with attach fitting last fixed connection's the circle of borduring to further promotion screw thread body and attach fitting between be connected closely.

In conclusion, the utility model has the following beneficial effects:

1. the threaded body and the connecting joint are in threaded connection, and compared with other connection modes, the threaded connection has better sealing performance and can avoid gas leakage generated after the pipeline is connected;

2. the cladding circle and the clamping piece that set up on the screw thread body can press from both sides tightly the pipeline after connecting automatically when the screw thread body is connected with attach fitting to promote the stability of being connected between screw thread body, attach fitting and the pipeline.

Drawings

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

fig. 2 is a sectional view a-a of fig. 1.

In the figure: 1. a threaded body; 2. connecting a joint; 3. an external thread; 4. a limiting ring; 5. wrapping the edge ring; 6. coating a ring; 7. an elastic bump; 8. a clip; 9. rotating the ring; 10. a bevel edge; 11. a seal ring; 12. and (7) clamping blocks.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail below with reference to the accompanying drawings.

The utility model provides a sealed pneumatic terminal connects, as shown in fig. 1 and 2, including attach fitting 2 and 2 swing joint's thread body 1, attach fitting 2 and thread body 1 are the component that all metal material made, can promote the intensity, hardness and the wear-resisting of attach fitting 2 and thread body 1, have prolonged holistic life, and the surface of thread body 1 is provided with external screw thread 3, is provided with external screw thread 3 matched with internal thread on the inner wall of attach fitting 2.

Be provided with the clamping piece that is used for pressing from both sides tight pipeline on the screw body 1, the installation cavity has been seted up on the inner wall of attach fitting 2, installation cavity sets up along 2 inner wall a week of attach fitting, the installation cavity internal rotation is connected with rotates circle 9 and rotates circle 9 gomphosis in the installation cavity, the clamping piece includes the cladding circle 6 with 1 fixed connection of screw body, it is provided with a plurality of clamping pieces 8 to be the circumference array on the cladding circle 6, cladding

circle

6 and 8 fixed connection of clamping piece, clamping piece 8 contradicts with rotating circle 9, fixed connection has elastic convex block 7 on the inner wall of clamping piece 8, press from both sides tightly the pipeline through 7 cooperation clamping pieces 8 of elastic convex block, avoid the pipeline to produce the skew or the condition that drops at the in-process of using.

Fixedly connected with fixture block 12 on attach fitting 2's the inner wall, fixture block 12 is L shape setting and is formed with the cavity, is provided with sealing washer 11 in the cavity, and the bottom of screw body 1 is contradicted with sealing washer 11, promotes attach fitting 2 and screw body 1's stability of being connected, and one side of fixture block 12 is provided with hypotenuse 10, makes things convenient for the tip of pipeline to enter into to the cavity through the hypotenuse 10 that sets up on fixture block 12 at the in-process of connecting to cooperate and fix the position of pipeline with the sealing washer 11 that sets up in the cavity.

Fixedly connected with spacing collar 4 on the threaded body 1, the outside of spacing collar 4 is the hexagonal setting, and the arc wall has been seted up to the bottom of spacing collar 4, and fixedly connected with and the inconsistent circle of borduring 5 of arc wall on the attach fitting 2 to the compactness of being connected between further promotion threaded body 1 and the attach fitting 2.

The working principle is as follows: one end of the pipeline penetrates through the thread body 1, a gap is formed between the clamping pieces 8 and the clamping pieces 8, so that the clamping pieces 8 have deformation spaces, after the pipeline penetrates through the pipeline, the clamping pieces 8 can extend along with the embedding of the pipeline, so that the clamping pieces 8 are tightly attached to the outer surface of the pipeline, the outer surface of the thread body 1 is provided with external threads 3 to be connected with internal threads arranged in the connecting joint 2, in the process of connecting the thread body 1 and the connecting joint 2, the coating ring 6 and the clamping pieces 8 which are fixedly connected on the thread body 1 can move inwards along with the mutual rotation of the thread body 1 and the connecting joint 2, in the moving process, the rotating ring 9 arranged in an installation cavity arranged on the inner wall of the connecting joint 2 further limits the coating ring 6 and the clamping pieces 8, so that the coating ring 6 and the clamping pieces 8 further clamp the pipeline, and the thread body 1 and the connecting joint 2 are tightly connected, reduce the gap, promote holistic connection stability, avoid pipeline and attach fitting 2 to produce gas leakage, drop etc. at the in-process that uses.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a sealed pneumatic terminal joint, includes attach fitting (2) and attach fitting (2) swing joint's the screw body (1), the surface of the screw body (1) is provided with external screw thread (3), be provided with external screw thread (3) matched with internal thread on the inner wall of attach fitting (2), be provided with the clamping piece that is used for pressing from both sides tight pipeline on the screw body (1), its characterized in that: the installation cavity has been seted up on the inner wall of attach fitting (2), the installation cavity sets up along attach fitting (2) inner wall a week, the installation cavity internal rotation is connected with rotates circle (9) and rotates circle (9) gomphosis in the installation cavity, the clamping piece includes cladding circle (6) with screw body (1) fixed connection, it is provided with a plurality of clamping pieces (8) to be the circumference array on cladding circle (6), cladding circle (6) and clamping piece (8) fixed connection, clamping piece (8) are contradicted with rotation circle (9).

2. A sealed pneumatic terminal fitting according to claim 1, wherein: the connecting joint (2) and the thread body (1) are all members made of metal materials.

3. A sealed pneumatic terminal fitting according to claim 1, wherein: the inner wall of the clamping piece (8) is fixedly connected with an elastic lug (7).

4. A sealed pneumatic terminal fitting according to claim 1, wherein: fixedly connected with fixture block (12) on the inner wall of attach fitting (2), fixture block (12) are L shape setting and are formed with the cavity, be provided with sealing washer (11) in the cavity, the bottom and sealing washer (11) of screw body (1) are contradicted.

5. The hermetic pneumatic terminal joint according to claim 4, wherein: one side of the clamping block (12) is provided with a bevel edge (10).

6. A sealed pneumatic terminal fitting according to claim 1, wherein: the thread body (1) is fixedly connected with a limiting ring (4), and the outer portion of the limiting ring (4) is arranged in a hexagonal shape.

7. The hermetic pneumatic terminal joint according to claim 6, wherein: the bottom of the limiting ring (4) is provided with an arc-shaped groove, and the connecting joint (2) is fixedly connected with an edge covering ring (5) which is inconsistent with the arc-shaped groove.