CN208295340U

CN208295340U - pipe fitting

Info

Publication number: CN208295340U
Application number: CN201820415252.4U
Authority: CN
Inventors: 叶纶
Original assignee: SHANGHAI HAOCHEN ENTERPRISE DEVELOPMENT Co Ltd
Current assignee: SHANGHAI HAOCHEN ENTERPRISE DEVELOPMENT Co Ltd
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2018-12-28
Anticipated expiration: 2028-03-26

Abstract

The utility model provides a kind of pipe fitting, pipe fitting includes pipe joint, the material of pipe joint is resin, the connecting pin of pipe joint is for being threadedly connected to other pipelines, the outside wall surface of pipe joint is equipped with reinforcement part, reinforcement part includes reinforcing rib, reinforcing rib is along the axially extending of pipe joint, the outside wall surface of pipe joint is additionally provided with clamping part, clamping part has clamping face away from the surface of pipe joint outside wall surface, for clamping face for being bonded with the surface of locking tool, reinforcing rib is adjacent to clamping part along the axial direction of pipe joint.The pipe fitting on its pipe joint by being arranged the clamping part being connected with reinforcing rib, make locking tool transmitting locking torque to pipe joint in a manner of face contact with the clamping face of the clamping part, effectively increase the torque for being input to pipe joint, and by the contact area for increasing pipe fitting and locking tool, the case where avoiding local pressure and wear pipe joint surface.

Description

Pipe fitting

Technical field

The utility model relates to a kind of pipe fittings.

Background technique

The pipe fitting of resin material has advantage at low cost, easy to process compared to the pipe fitting of metal material.But resinous wood For matter due to being easy to produce contraction in process, made pipe fitting can not have thicker tube wall, and can only pass through The mode that reinforcing rib is arranged on thin-wall construction improves the intensity of pipe fitting.

In the prior art, when the pipe joint of the pipe fitting of resin material (including straight-through, threeway, elbow etc.) passes through screw thread When the mode of connection and other pipe fittings are to realize connection, simultaneously rotating pipe is fixed in such a way that Pipe wrench blocks reinforcing rib Interface is with locking screw.Due to being point contact between Pipe wrench and the reinforcing rib of pipe fitting, if the torque of output is excessive, Easily lead to reinforcing rib abrasion, and if export torque it is too small, can not effectively lock the pipe fitting, there is threaded connection place Disclosure risk.

Utility model content

The technical problems to be solved in the utility model is to overcome the pipe fitting of resin material in the prior art using lock It is difficult to control torque when clamping tool is locked, the reinforcing rib abrasion of pipe fitting or threaded connection place is caused to generate leakage Defect provides a kind of pipe fitting.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of pipe fitting, the pipe fitting include pipe joint, and the material of the pipe joint is resin, the pipe joint Connecting pin is equipped with reinforcement part for being threadedly connected to other pipelines, the outside wall surface of the pipe joint, and the reinforcement part includes adding Strengthening tendons, the reinforcing rib is axially extending along the pipe joint, and the outside wall surface of the pipe joint is additionally provided with clamping part, described Clamping part has clamping face away from the surface of the pipe joint outside wall surface, and the clamping face is used to paste with the surface of locking tool It closes, the reinforcing rib is adjacent to the clamping part along the axial direction of the pipe joint, makes locking tool can be by fitting in clamping The mode in face is to pipe joint output torque.

The pipe fitting makes locking tool and the clamping part by the way that the clamping part being connected with reinforcing rib is arranged on its pipe joint Clamping face the torque of locking is transmitted by way of face contact, compared to the prior art in locking tool and reinforcing rib connect with putting The mode of touching is transmitted, and effectively increases the torque for being input to pipe joint, and by increasing contact of the pipe fitting with locking tool Area, the case where can avoid local pressure and wear pipe joint surface.

Preferably, the pipe fitting further includes nesting, the material of the nesting is metal, and the nesting is embedded at the pipeline The inner wall of interface and the connecting pin for extending to the pipe joint, the inner wall of the nesting is equipped with the internal screw thread, described Internal screw thread is for making the pipe joint be threaded io other pipelines.

Since the mechanical strength properties of resin material are relatively poor, fixation is inlayed by the inner wall in pipe joint Nesting is connected through a screw thread other pipelines with the nested of the metal material, effectively improves the secured journey of threaded connection of pipe fitting Degree.

Preferably, the reinforcement part further includes reinforcing ring, the reinforcing ring is along the pipe joint circumferentially around in institute State the outside wall surface of pipe joint, and the reinforcing ring is located at axial one end of the reinforcing ring and extends to the pipe joint Connecting pin.

By the way that reinforcing ring is arranged in the outside wall surface that pipe joint corresponds to nested position, by increasing material at this The mode of thickness improves the structural strength on the nesting periphery, to avoid in the biggish situation of screw-threaded coupling torque, resinous wood The pipe joint of matter ruptures.

It is connect preferably, the reinforcing ring is greater than the internal screw thread along the axial length of the pipe joint along the pipeline The axial length of mouth.

The structure enables reinforcing ring effectively to reinforce the tube wall in entire internal screw thread length range, to further increase this The structural strength of pipe joint threaded connection place.

Preferably, the reinforcing ring, clamping part and reinforcing rib are set gradually along the axial direction of the pipe joint, the clamping Portion is connected to the reinforcing ring.

In the topology layout, the both ends of clamping part in the axial direction are respectively connected to reinforcing ring and reinforcing rib, to pass through The mode that two sides reinforce, improves the structural strength of clamping part.

It is connect preferably, the reinforcement part is greater than the reinforcing rib along the radial thickness of the pipe joint along the pipeline Mouthful radial thickness, thus the material thickness for improving internal screw thread periphery simultaneously, avoid the integral material of the pipe joint thick It spends thick and is difficult to produce and process.

Preferably, the clamping part uses ring structure, and connecing circumferentially around in the pipeline along the pipe joint The outside wall surface of mouth.

Preferably, the clamping part has multiple clamping faces, multiple clamping faces are with the axis of the pipe joint Line is the setting of center circumference uniform distribution.

The structure enables locking tool to conform to corresponding clamping face from multiple directions, expands making for locking tool With angle, the difficulty of locking tool locking pipe interface is used in the case where installation space is narrow with reduction.

Preferably, the reinforcement part includes multiple reinforcing ribs, multiple reinforcing ribs are with the axis of the pipe joint Line is the setting of center circumference uniform distribution, with the whole bonding strength for improving the pipe joint.

Preferably, the material of the pipe joint is atactic copolymerized polypropene.

Compared to other materials, atactic copolymerized polypropene heat-and corrosion-resistant, therefore made pipe joint conveying compared with Also there is preferable stability and service life in the case where high-temperature liquid.

The positive effect of the utility model is:

The pipe fitting by the way that the clamping part that is connected with reinforcing rib is arranged on its pipe joint, make locking tool by with this The clamping face of clamping part in a manner of face contact to pipe joint transmit locking torque, compared to the prior art in locking tool with Reinforcing rib is transmitted in a manner of point contact, effectively increases the torque for being input to pipe joint, and by increasing pipe fitting and lock The contact area of clamping tool, the case where avoiding local pressure and wear pipe joint surface.

Detailed description of the invention

Fig. 1 is pipe joint and the nested schematic perspective view of the pipe fitting of an embodiment of the present invention.

Fig. 2 is pipe joint and the nested schematic diagram of internal structure of the pipe fitting of an embodiment of the present invention.

Description of symbols:

Pipe joint 1, axial a

Connecting pin 11

Outside wall surface 12

Reinforcement part 2, reinforcing rib 21, reinforcing ring 22

Clamping part 3, clamping face 31

Nesting 4

Internal screw thread 41

Specific embodiment

A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.

The utility model provides a kind of pipe fitting (including straight-through, threeway, elbow etc.), which includes several interconnect Pipe joint 1, the mode that the connecting pin 11 of these pipe joints 1 is connected through a screw thread is connected with external other pipelines, these 1 material of pipe joint is resin.

By taking one of pipe joint 1 of pipe fitting as an example, as depicted in figs. 1 and 2, the outside wall surface 12 of the pipe joint 1 is set There is reinforcement part 2, which includes reinforcing rib, reinforcing rib extends along the axial a of pipe joint 1.The outside wall surface of the pipe joint 1 12 are additionally provided with clamping part 3, and reinforcing rib is abutted to the clamping part 3 along the axial a of pipe joint 1, and clamping part 3 connects departing from pipeline Clamping face 31 is then equipped on one side surface of 1 outside wall surface 12 of mouth, which is used to be bonded with the surface of locking tool, so that Locking tool is by way of fitting in clamping face 31 to 1 output torque of pipe joint.

The pipe fitting makes locking tool and the clamping by the way that the clamping part 3 being connected with reinforcing rib is arranged on its pipe joint 1 The clamping face 31 in portion 3 transmits the torque of locking by way of face contact, compared to the prior art middle locking tool and reinforcing rib It is transmitted in a manner of point contact, effectively increases the torque for being input to pipe joint 1, and by increasing pipe fitting and locking tool Contact area, can avoid local pressure and the case where wear 1 surface of pipe joint.

The pipe fitting further includes having nesting 4, and the material of the nesting 4 is metal, is embedded the inner wall in pipe joint 1 and prolongs The connecting pin 11 of pipe joint 1 is extended to, the inner wall of the nesting 4 is equipped with internal screw thread 41, so that pipe joint 1 passes through the interior spiral shell Line 41 and other pipelines, which are realized, to be connected.

It is solid by being inlayed in the inner wall of pipe joint 1 since the mechanical strength properties of resin material are relatively poor Fixed nesting 4, is connected through a screw thread other pipelines nested with the metal material 4, effectively improves the threaded connection jail of pipe fitting Gu degree.

The reinforcement part 2 of the pipe joint 1 further includes reinforcing ring 22, and reinforcing ring 22 is along pipe joint 1 circumferentially around setting In the outside wall surface 12 of pipe joint 1, and the reinforcing ring 22 is located at one end of its axial direction a and extends to the connection of pipe joint 1 On end 11.

It, should by increasing by the way that reinforcing ring 22 is arranged in the outside wall surface 12 that pipe joint 1 corresponds to nested 4 positions The mode of place's material thickness improves the structural strength on 4 periphery of nesting, thus avoid in the biggish situation of screw-threaded coupling torque, The pipe joint 1 of resin material ruptures.Preferably, length of the reinforcing ring 22 on the axial a of pipe joint 1 is greater than embedding Length of the internal screw thread 41 of set 4 on the axial a of pipe joint 1.The structure enables reinforcing ring 22 effectively to reinforce spiral shell in entire Tube wall in 41 length range of line, to further increase the structural strength of 1 threaded connection place of pipe joint.

In the present embodiment, the reinforcing ring 22, clamping part 3 and reinforcing rib are set gradually along the axial a of pipe joint 1, and High clamping part 3 is connected with reinforcing ring 22.In the topology layout, the both ends of clamping part 3 in the axial direction are respectively connected to reinforce Ring 22 and reinforcing rib improve the structural strength of clamping part 3 in a manner of reinforcing by two sides.In addition, reinforcement part 2 connects along pipeline The radial thickness of mouth 1 is greater than radial thickness of the reinforcing rib along pipe joint 1, thus in the material for improving 41 periphery of internal screw thread Thickness simultaneously, avoids the integral material thickness of the pipe joint 1 blocked up and is difficult to produce and process.

The clamping part 3 can be also the structure of annular, i.e., along pipe joint 1 circumferentially around being arranged in the pipe joint 1 Outside wall surface 12 on.The clamping part 3 can also have multiple clamping faces 31, during these clamping faces 31 with the axis of pipe joint 1 are The heart is arranged in a manner of circumference uniform distribution.The structure enables locking tool to conform to corresponding clamping face 31 from multiple directions, The use angle of locking tool is expanded, uses locking tool locking pipe interface in the case where installation space is narrow to reduce 1 difficulty.

In addition, the reinforcement part 2 of pipe joint 1 may include having multiple reinforcing ribs, such as the pipe joint 1 in the present embodiment exists Center circumference uniform distribution is provided with four reinforcing ribs of the axis of pipe joint 1 in its outside wall surface 12, improves the pipeline with whole The bonding strength of interface 1.

Preferably, the material of the pipe joint 1 can be atactic copolymerized polypropene (PP-R).Compared to other materials, nothing Copolymer polypropylene heat-and corrosion-resistant is advised, therefore made pipe joint 1 also has in the case where conveying higher temperature liquid Preferable stability and service life.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or group of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that This is merely illustrative of, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made, But these change and modification each fall within the protection scope of the utility model.

Claims

1. a kind of pipe fitting, the pipe fitting includes pipe joint, and the material of the pipe joint is resin, the company of the pipe joint It connects end and is equipped with reinforcement part for being threadedly connected to other pipelines, the outside wall surface of the pipe joint, the reinforcement part includes reinforcing Muscle, the reinforcing rib are axially extending along the pipe joint, which is characterized in that the outside wall surface of the pipe joint is additionally provided with folder Portion is held, the clamping part has clamping face away from the surface of the pipe joint outside wall surface, and the clamping face is used for and locking work The surface of tool is bonded, and the reinforcing rib is adjacent to the clamping part along the axial direction of the pipe joint.

2. pipe fitting as described in claim 1, which is characterized in that the pipe fitting further includes nesting, and the material of the nesting is gold Belong to, the nesting is embedded at the inner wall of the pipe joint and extends to the connecting pin of the pipe joint, the nesting Inner wall is equipped with the internal screw thread, and the internal screw thread is for making the pipe joint be threaded io other pipelines.

3. pipe fitting as claimed in claim 2, which is characterized in that the reinforcement part further includes reinforcing ring, and the reinforcing ring is along institute State pipe joint circumferentially around in the outside wall surface of the pipe joint, and the reinforcing ring is located at the axial of the reinforcing ring One end extends to the connecting pin of the pipe joint.

4. pipe fitting as claimed in claim 3, which is characterized in that the reinforcing ring is big along the axial length of the pipe joint In the internal screw thread along the axial length of the pipe joint.

5. pipe fitting as claimed in claim 3, which is characterized in that the reinforcing ring, clamping part and reinforcing rib connect along the pipeline The axial direction of mouth is set gradually, and the clamping part is connected to the reinforcing ring.

6. pipe fitting as claimed in claim 5, which is characterized in that the reinforcement part is big along the radial thickness of the pipe joint In the reinforcing rib along the radial thickness of the pipe joint.

7. pipe fitting as claimed in any one of claims 1 to 6, which is characterized in that the clamping part uses ring structure, and along institute State pipe joint circumferentially around in the outside wall surface of the pipe joint.

8. pipe fitting as claimed in claim 7, which is characterized in that the clamping part has multiple clamping faces, multiple described Clamping face is arranged by center circumference uniform distribution of the axis of the pipe joint.

9. pipe fitting as claimed in any one of claims 1 to 6, which is characterized in that the reinforcement part includes multiple reinforcing ribs, Multiple reinforcing ribs are arranged by center circumference uniform distribution of the axis of the pipe joint.

10. pipe fitting as claimed in any one of claims 1 to 6, which is characterized in that the material of the pipe joint is random copolymerization Polypropylene.