CN111006081A

CN111006081A - Clamping sleeve type connection flared plastic pipe fitting

Info

Publication number: CN111006081A
Application number: CN201911208631.1A
Authority: CN
Inventors: 张鹏; 蒋三军; 王建; 李孝武
Original assignee: Anhui Jinhaotian Plastics Technology Development Co ltd
Current assignee: Anhui Jinhaotian Plastics Technology Development Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-04-14
Anticipated expiration: 2039-11-30
Also published as: CN111006081B

Abstract

The invention relates to the technical field of pipe fittings, in particular to a clamping sleeve type connecting flared plastic pipe fitting which comprises a pipe fitting, wherein a communicated pipe hole is formed in the inner cavity of the pipe fitting, the pipe fitting comprises a joint and a flared joint, a nut is in threaded connection with the outer wall of the pipe fitting close to the middle part, the nut comprises a joint sleeve and a flared sleeve, the inner wall of the joint sleeve is in threaded connection with the outer wall of the joint, the flared sleeve is in threaded connection with the outer wall of the flared joint, the outer wall of the joint is in threaded connection with a fixed block, a limiting rod is arranged between the fixed block and the joint sleeve, the end part of the limiting rod is fixedly connected with a buffer block, the end part of the buffer block is provided with a buffer spring, the outer wall of the flared joint is in threaded connection with a protective sleeve, the outer wall of, can prevent effectively that the nut from rocking, keep the steadiness, and can give sound insulation.

Description

Clamping sleeve type connection flared plastic pipe fitting

Technical Field

The invention relates to the technical field of pipe fittings, in particular to a clamping sleeve type connecting flaring type plastic pipe fitting.

Background

The pipe joint is a part for connecting a pipeline in a hydraulic system or installing the pipeline on a hydraulic component, is a general name of a connecting piece which can be assembled and disassembled in a fluid passage, and mainly comprises a welding type, a clamping sleeve type and a flaring type, wherein the flaring type pipe joint is suitable for a medium: the pipe joints of non-corrosive or corrosive media such as oil, water, gas and the like (wherein representative manufacturers include Shanghai Tong male pipe fittings Co., Ltd.) have the characteristics of flexible specification requirements of matched steel pipes, firm connection, good sealing performance and the like after being welded with pipelines, so the pipe joints are widely applied to systems such as oil refining, chemical engineering, light industry, textile, national defense, metallurgy, aviation, ships and the like; also be applicable to various mechanical engineering, hydraulic transmission pipeline such as lathe equipment, but present cutting ferrule formula connection flared body matching nature is not strong, and difficult production, and when the fluid impact force is big, can cause very big noise, traditional cutting ferrule formula connection flared pipe fitting can not be fine carry out sound insulation treatment, and can not fine anti-vibration and impact force, the nut easily leads to nut and body to be connected insecure along with the vibrating motion, fault such as broken the revealing of pipeline easily appears, in view of this, we provide a cutting ferrule formula connection flared type plastic pipe spare.

Disclosure of Invention

The invention aims to provide a ferrule type connection flared plastic pipe fitting to solve the problems that the common flared pipe body in the background art cannot resist impact force, and a nut and the pipe body are not firmly connected and cannot insulate sound.

In order to achieve the purpose, the invention provides the following technical scheme:

a clamping sleeve type connection flared plastic pipe fitting comprises a pipe fitting and a nut, wherein a communicated pipe hole is formed in the inner cavity of the pipe fitting, the pipe fitting comprises a joint and a flaring joint, a nut is connected to the outer wall of the pipe fitting close to the middle part in a threaded manner, the nut comprises a joint sleeve and a flaring sleeve, the inner wall of the joint sleeve is in threaded connection with the outer wall of the joint, the flaring sleeve is in threaded connection with the outer wall of the flaring connector, the outer wall of the connector is in threaded connection with a fixed block, a limiting rod is arranged between the fixing block and the joint sleeve, the end part of the limiting rod is fixedly connected with a buffer block, the end part of the buffer block is provided with a buffer spring, the outer wall of the flaring joint is connected with a protective sleeve by screw thread, protective sheath outer wall threaded connection has hexagon nut, protective sheath outer wall threaded connection flaring cover inner wall, the sound insulation chamber has been seted up to the protective sheath inner chamber, sound insulation intracavity chamber is provided with soundproof cotton.

Preferably, the joint and the flaring joint are of an integrally formed structure, and the diameter of the section of the joint is smaller than that of the section of the flaring joint.

Preferably, the inner cavity of the pipe fitting is provided with pipe holes matched with each other, and the pipe thickness of the joint is the same as that of the flaring joint.

Preferably, the fixed block is close to one side fixed connection that the nut is close to the one end that the buffer block was kept away from to the gag lever post, the adapter sleeve is close to the nut dashpot has been seted up to one side of fixed block.

Preferably, the buffer block with buffer spring all sets up at the nut dashpot inner chamber, the nut dashpot inner chamber with buffer block looks adaptation, the buffer block slides and sets up the nut dashpot inner chamber, buffer spring tip fixed connection be in nut dashpot inner chamber bottom.

Preferably, the inner wall of the joint sleeve is in tight fit with the outer wall of the joint through threads, the inner wall of the flaring sleeve is in tight fit with the outer wall of the flaring joint through threads, and the joint sleeve and the flaring sleeve are of an integrally formed structure.

Preferably, the outer wall of the upper end of the protective sleeve is in threaded tight fit with the inner wall of the flaring sleeve, and the inner wall of the protective sleeve is in threaded tight fit with the flaring joint.

Preferably, the sound insulation cavity is annular, and the sound insulation cavity is located protective sheath upper end inner chamber.

Preferably, the sound insulation cavity is matched with the sound insulation cotton, and the sound insulation cotton is tightly filled in the sound insulation cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. this flared formula pipe fitting is connected to cutting ferrule formula, through setting up nut and pipe fitting looks adaptation, can protect the pipe fitting, when the medium flows the flared joint from the joint, the impact force can change to the noise is great, can the noise abatement through soundproof cotton setting in the sound proof chamber, thus do not influence people's normal life, and through setting up protective sheath and pipe fitting screw-thread fit, can protect the pipe fitting, it is too big to flow the impact force from the flared joint when avoiding fluid flow, avoid damaging the pipe fitting.

2. This flared formula pipe fitting is connected to cutting ferrule formula through setting up the gag lever post, can carry on fixed block and nut spacing, prevents that the nut from moving at will to it is more firm to make to connect between pipe fitting and the nut.

3. According to the ferrule type flared pipe fitting, the buffer spring is arranged, so that the shaking of the limiting rod can be relieved, the limiting rod is prevented from being easily damaged due to extrusion between the nut and the limiting rod, and the service life of the ferrule type flared pipe fitting is prolonged.

4. This flared formula pipe fitting is connected to cutting ferrule formula connects through the setting with the flaring connects as an organic whole shaping structure, and simple structure is convenient for produce, connects the pipe fitting through connecting and flaring, convenient to detach installation.

Drawings

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

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

FIG. 3 is a side cross-sectional view of the overall structure of the present invention;

FIG. 4 is a partial schematic view of the structure at point A of the present invention;

FIG. 5 is a partial schematic view of the structure at B in the present invention.

In the figure: 1. a pipe fitting; 10. a tube hole; 11. a joint; 12. a flaring joint; 2. a fixed block; 3. a nut; 30. a nut buffer slot; 31. a joint sleeve; 32. an opening expanding sleeve; 4. a hexagonal nut; 5. a protective sleeve; 51. a sound-insulating chamber; 52. sound insulation cotton; 6. a limiting rod; 61. a buffer block; 62. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A clamping sleeve type connection flared plastic pipe fitting aims at solving the problems that a common flared pipe body cannot resist impact force and a nut is not firmly connected with the pipe body, as a preferred embodiment, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the clamping sleeve type connection flared plastic pipe fitting comprises a pipe fitting 1, a communicated pipe hole 10 is formed in the inner cavity of the pipe fitting 1, the pipe fitting 1 comprises a joint 11 and a flared joint 12, the nut 3 is connected with the outer wall of the pipe fitting 1 close to the middle part in a threaded mode, the nut 3 comprises a joint sleeve 31 and a flared sleeve 32, the inner wall of the joint sleeve 31 is connected with the outer wall of the joint 11 in a threaded mode, the outer wall of the flared sleeve 32 is connected with the outer wall of the flared joint 12 in a threaded mode, a fixing block 2 is connected with the outer wall of the joint 11 in a threaded mode, a limiting rod 6 is arranged between the, outer wall threaded connection of protective sheath 5 has

hexagon nut

4, and 5 outer wall threaded connection of protective sheath expand mouthful cover 32 inner walls, and sound insulation chamber 51 has been seted up to the 5 inner chambers of protective sheath, and sound insulation chamber 51 inner chamber is provided with soundproof cotton 52.

In this example, connect 11 and flaring and connect 12 and be the integrated into one piece structure, connect 11 section diameter ratio flaring and connect 12 section diameters and be little, simple structure, the production of being convenient for, connect the 12 threaded connection pipe fittings through connecting 11 and flaring and can conveniently dismantle.

Specifically, the inner cavity of the pipe fitting 1 is provided with a pipe hole 10 matched with the inner cavity of the pipe fitting, and the pipe thickness of the joint 11 is the same as that of the flaring joint 12.

Further, the nut buffer slot 30 has been seted up to one side that the joint cover 31 is close to fixed block 2, through setting up nut buffer slot 30, can carry on spacingly to nut 3, avoids the nut to move at will, protection body that can not be fine.

Further, buffer block 61 and buffer spring 62 all set up at nut dashpot 30 inner chamber, nut dashpot 30 inner chamber and buffer block 61 looks adaptation, buffer block 61 slides and sets up at nut dashpot 30 inner chamber, and buffer spring 62 one end fixed connection nut dashpot 30 inner chamber bottom plays the cushioning effect to buffer block 61 through buffer spring 62, and when the fluid flowed through, can guarantee that nut 3 can not move at will, has guaranteed to connect to be connected stably between 11 and the body.

Furthermore, the inner wall of the joint sleeve 31 is tightly matched with the outer wall of the joint 11 through threads, the sealing performance is good, and the joint sleeve 31 and the flaring sleeve 32 are of an integrally formed structure and are convenient to produce.

Specifically, the outer wall of the upper end of the protective sleeve 5 is in close fit with the threads of the inner wall of the flaring sleeve 32, the inner wall of the protective sleeve 5 is in close fit with the threads of the flaring joint 12, and when fluid flows through the pipe hole 10 through the protective sleeve 5, the phenomenon that the impact force of the fluid is too large and the deformation is caused by the impact on the inner cavity of the pipe fitting can be avoided.

Further, the soundproof cavity 51 is the annular form, can effectually give sound insulation through soundproof cotton 52 when the medium flows through pipe fitting 1 inner chamber through setting up soundproof cavity 51, and soundproof cavity 51 is located protective sheath 5 upper end inner chamber, and when the medium flowed to flaring from connecting 11 and connects 12, the impact force can change to the noise is great, can noise abatement through soundproof cotton 52, from not influencing people's normal life.

In addition, soundproof cotton 51 and soundproof cotton 52 looks adaptation, soundproof cotton 52 closely fill in soundproof cotton 51, and soundproof cotton 52 is an rubber and plastic goods, and sound insulation is thermal-insulated, antidetonation and corrosion-resistant very well to protection pipe fitting 1 does not corrode.

When the ferrule type flared pipe fitting is used, the pipe body is connected through the joint 11 and the flared joint 12, the pipe body is connected and fixed through the nut 3, when fluid passes through the pipe hole 10, the pipe fitting 1 can be protected through the protective sleeve 5, the soundproof cotton 52 is filled in the soundproof cavity 51, the soundproof cotton 52 can well insulate sound and heat, resist shock and resist corrosion, so that the pipe fitting 1 is protected from erosion and overlarge impact force is avoided, when a medium flows from the joint 11 to the flared joint 12, the impact force can be changed, the noise is higher, the noise can be reduced through the soundproof cotton 52, the normal life of people is not influenced, the pipe fitting 1 is prevented from shaking and being damaged due to the impact force of the medium, the pipe fitting 1 can be ensured to be more stable, the buffer spring 62 is fixedly arranged in the inner cavity of the nut buffer groove 30, and the buffer block 61 is buffered through the buffer, when fluid flows, the limiting rod 6 is connected with the fixing block 2 to ensure that the nut 3 cannot move randomly, and the pipe fitting 1 is ensured to be connected stably.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flaring formula plastics pipe fitting is connected to cutting ferrule formula, includes pipe fitting (1) and nut (3), its characterized in that: the pipe hole (10) of intercommunication is seted up to pipe fitting (1) inner chamber, pipe fitting (1) is including connecting (11) and flaring joint (12), pipe fitting (1) is close to middle part outer wall threaded connection have nut (3), nut (3) are including adapter sleeve (31) and flaring cover (32), adapter sleeve (31) inner wall with connect (11) outer wall threaded connection, flaring cover (32) with flaring joint (12) outer wall threaded connection, connect (11) outer wall threaded connection have fixed block (2), be provided with gag lever post (6) between fixed block (2) and adapter sleeve (31), gag lever post (6) tip fixedly connected with buffer block (61), buffer block (61) tip is provided with buffer spring (62), flaring joint (12) outer wall threaded connection has protective sheath (5), protective sheath (5) outer wall threaded connection has hexagon nut (4), protective sheath (5) outer wall threaded connection flaring cover (32) inner wall, sound insulation chamber (51) have been seted up to protective sheath (5) inner chamber, sound insulation chamber (51) inner chamber is provided with soundproof cotton (52).

2. The ferrule type connection flared plastic pipe fitting according to claim 1, wherein: the joint (11) and the flaring joint (12) are of an integrally formed structure, and the section diameter of the joint (11) is smaller than that of the flaring joint (12).

3. The ferrule type connection flared plastic pipe fitting according to claim 2, wherein: pipe holes (10) matched with each other are formed in the inner cavity of the pipe fitting (1), and the pipe thicknesses of the joint (11) and the flaring joint (12) are the same.

4. The ferrule type connection flared plastic pipe fitting according to claim 1, wherein: one side fixed connection of fixed block (2) is close to nut (3) is kept away from in gag lever post (6) the one end of buffer block (61), joint sleeve (31) are close to nut dashpot (30) have been seted up to one side of fixed block (2).

5. The ferrule type connection flared plastic pipe fitting according to claim 4, wherein: buffer block (61) with buffer spring (62) all set up in nut dashpot (30) inner chamber, nut dashpot (30) inner chamber with buffer block (61) looks adaptation, buffer block (61) slide to set up nut dashpot (30) inner chamber, buffer spring (62) tip fixed connection be in nut dashpot (30) inner chamber bottom.

6. The ferrule type connection flared plastic pipe fitting according to claim 1, wherein: the inner wall of the joint sleeve (31) is in tight fit with the outer wall threads of the joint (11), the inner wall of the flaring sleeve (32) is in tight fit with the outer wall threads of the flaring joint (12), and the joint sleeve (31) and the flaring sleeve (32) are of an integrally formed structure.

7. The ferrule type connection flared plastic pipe fitting according to claim 1, wherein: the outer wall of the upper end of the protective sleeve (5) is in threaded tight fit with the inner wall of the flaring sleeve (32), and the inner wall of the protective sleeve (5) is in threaded tight fit with the flaring joint (12).

8. The ferrule type connection flared plastic pipe fitting according to claim 1, wherein: the sound insulation cavity (51) is annular, and the sound insulation cavity (51) is located in an inner cavity at the upper end of the protective sleeve (5).

9. The ferrule type connecting flared plastic pipe fitting according to claim 8, wherein: the sound insulation cavity (51) is matched with the sound insulation cotton (52), and the sound insulation cotton (52) is tightly filled in the sound insulation cavity (51).