CN213929807U

CN213929807U - Cutting ferrule formula connects

Info

Publication number: CN213929807U
Application number: CN202022819090.0U
Authority: CN
Inventors: 林川波; 范海浪; 林开峰; 许杰
Original assignee: Ningbo Intell Pneumatic Technology Co ltd
Current assignee: Ningbo Intell Pneumatic Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-10
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a cutting ferrule type joint, which comprises a joint body, a nut and a cutting ferrule, wherein the nut is in threaded connection with the end part of the joint body, the cutting ferrule is sleeved in the nut and is propped between the joint body and the nut, two ends of the cutting ferrule are respectively provided with an external conical surface, and the inner wall of the cutting ferrule is provided with a horse teeth buckle; the end surface and the inner wall of the joint body are in transitional connection through an arc surface, the arc surface is arranged corresponding to the outer conical surface at one end, and an inner conical surface matched with the outer conical surface at the other end is arranged in the nut; the inner wall of the connector body is convexly provided with a step, the step is arranged at the junction of the arc surface and the inner wall of the connector body, and the step is matched with the clamping sleeve in a stopping way. The utility model discloses possessed simple structure, connected firm advantage firm and that the leakproofness is high.

Description

Cutting ferrule formula connects

Technical Field

The utility model relates to a pneumatic auxiliary component technical field, in particular to cutting ferrule formula connects.

Background

The ferrule type joint is a commonly used pneumatic auxiliary element, is mainly used for quickly connecting pipelines, and must ensure the air tightness of the pipelines and avoid gas leakage while realizing quick connection. At present, the problems of insufficient connection firmness and poor sealing performance of a ferrule type joint exist, and the problems need to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, connect firm and the high cutting ferrule formula of leakproofness connect to prior art's defect and not enough.

The above technical purpose of the present invention can be achieved by the following technical solutions: a clamping sleeve type joint comprises a joint body, a nut and a clamping sleeve, wherein the nut is in threaded connection with the end of the joint body, the clamping sleeve is sleeved in the nut and abutted between the joint body and the nut, two ends of the clamping sleeve are respectively provided with an external conical surface, and the inner wall of the clamping sleeve is provided with a horse-tooth buckle;

the end surface and the inner wall of the joint body are in transitional connection through an arc surface, the arc surface is arranged corresponding to the outer conical surface at one end, and an inner conical surface matched with the outer conical surface at the other end is arranged in the nut;

the inner wall of the connector body is convexly provided with a step, the step is arranged at the junction of the arc surface and the inner wall of the connector body, and the step is matched with the clamping sleeve in a stopping way.

Furthermore, the joint body and the nut are both made of nickel-plated copper materials.

Furthermore, the outer wall of the nut is provided with anti-skid grains, so that an operator can rotate the nut conveniently, the nut can be screwed more tightly, and the connection is firmer.

Further, an O-shaped ring is arranged on the inner wall of the clamping sleeve; the sealing performance is improved.

Further, the cutting ferrule is made of copper materials.

Furthermore, a plurality of the horse teeth buckles are uniformly distributed along the axial direction of the clamping sleeve; the firmness of connection is improved.

The utility model has the advantages that: the outer conical surfaces are respectively arranged at the two ends of the cutting sleeve, the inner wall of the cutting sleeve is provided with the horse teeth buckle, the end surface of the connector body is in transition connection with the inner wall through the arc surface, the arc surface is arranged corresponding to the outer conical surface at one end, the nut is internally provided with the inner conical surface matched with the outer conical surface at the other end, the inner wall of the connector body is convexly provided with the step, the step is arranged at the junction of the arc surface and the inner wall of the connector body, and the step is matched with the stop of the cutting sleeve; when a pipeline is installed, the nut is rotated, because the arc surface is arranged corresponding to the outer conical surface at one end, the inner conical surface matched with the outer conical surface at the other end is arranged in the nut, and the two ends of the cutting sleeve are contracted along the radial direction under the stopping action of the step, and the pipe is firmly clamped by the shackles under the action of contraction pressure, so that the pipe is firmly connected; generally, the utility model discloses simple structure, the firm advantage firm and that the leakproofness is high of connection have been possessed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded schematic view of the present invention.

Shown in the figure: 1-a joint body; 11-arc surface; 12-step; 2-a nut; 21-inner conical surface; 3, cutting the ferrule; 31-outer conical surface; 32-a button of horse teeth; 4-O-shaped ring.

Detailed Description

For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:

as shown in fig. 1 and 2, a ferrule type connector includes a connector body 1, a nut 2 and a ferrule 3, wherein the nut 2 is screwed to an end of the connector body 1, the ferrule 3 is sleeved in the nut 2 and abutted between the connector body 1 and the nut 2, two ends of the ferrule 3 are respectively provided with an external conical surface 31, and an inner wall of the ferrule 3 is provided with a horse teeth buckle 32; the end face and the inner wall of the joint body 1 are in transition connection through an arc surface 11, the arc surface 11 corresponds to the outer conical surface 31 at one end, and an inner conical surface 21 matched with the outer conical surface 31 at the other end is arranged in the nut 2; the inner wall of the connector body 1 is convexly provided with a step 12, the step 12 is arranged at the junction of the arc surface 11 and the inner wall of the connector body 1, and the step 12 is matched with the clamping sleeve 3 in a stopping way.

The connector body 1 and the nut 2 are both made of nickel-plated copper materials, and the cutting sleeve 3 is made of copper materials, so that the wear resistance, the corrosion resistance and the oxidation resistance are improved, and the service life is effectively prolonged.

The outer wall of the nut 2 is provided with anti-skid grains.

The inner wall of cutting ferrule 3 is equipped with O type circle 4, and the axial equipartition of cutting ferrule 3 is followed to the horse tooth and detains 32 and has a plurality of.

The utility model discloses a concrete theory of operation as follows: when a pipeline is installed, the pipeline is firstly inserted into the cutting sleeve 3, the nut 2 is rotated, because the arc surface 11 is arranged corresponding to the external conical surface 31 at one end, the internal conical surface 21 matched with the external conical surface 31 at the other end is arranged in the nut 2, and under the stopping action of the step 12, the two ends of the cutting sleeve 3 are contracted along the radial direction, and under the action of contraction pressure, the crenels 32 firmly clamp the pipeline, so that the pipeline is firmly connected; meanwhile, the O-shaped ring 4 is tightly matched with the pipeline, so that the sealing property is effectively improved.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a cutting ferrule formula connects, includes and connects body (1), nut (2) and cutting ferrule (3), nut (2) threaded connection in the tip that connects body (1), cutting ferrule (3) cup joint in nut (2), and support and locate connect the body (1) with between nut (2), its characterized in that: two ends of the cutting sleeve (3) are respectively provided with an external conical surface (31), and the inner wall of the cutting sleeve (3) is provided with a horse teeth buckle (32);

the end face and the inner wall of the joint body (1) are in transitional connection through an arc surface (11), the arc surface (11) is arranged corresponding to the outer conical surface (31) at one end, and an inner conical surface (21) matched with the outer conical surface (31) at the other end is arranged in the nut (2);

the inner wall of the connector body (1) is convexly provided with a step (12), the step (12) is arranged at the junction of the arc surface (11) and the inner wall of the connector body (1), and the step (12) is matched with the stop of the clamping sleeve (3).

2. The ferrule-based fitting of claim 1, wherein: the joint body (1) and the nut (2) are both made of nickel-plated copper.

3. The ferrule-based fitting of claim 1, wherein: and anti-skid grains are arranged on the outer wall of the nut (2).

4. The ferrule-based fitting of claim 1, wherein: the inner wall of the cutting sleeve (3) is provided with an O-shaped ring (4).

5. The ferrule-based fitting of claim 4, wherein: the cutting ferrule (3) is made of copper materials.

6. The ferrule-based fitting of claim 5, wherein: the plurality of the horse teeth buckles (32) are evenly distributed along the axial direction of the clamping sleeve (3).