CN212718626U

CN212718626U - Positioning device for improving mould pressing concentricity of steel lining polytetrafluoroethylene tube and pipe fitting

Info

Publication number: CN212718626U
Application number: CN202021432882.6U
Authority: CN
Inventors: 孙开平
Original assignee: Rugao Jiabai Plastic Products Co Ltd
Current assignee: Rugao Jiabai Plastic Products Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses an improve positioner of steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity, including last pipe fitting and low tube flange, the lower extreme of going up the pipe fitting is equipped with the top tube flange, and reserves the flange screw on the face of top tube flange, the opposite face of top tube flange is equipped with the low tube flange, and the lower extreme of low tube flange is equipped with down the pipe fitting, the inside of going up pipe fitting and lower pipe fitting all is equipped with steel lining polytetrafluoroethylene pipe, and the output of steel lining polytetrafluoroethylene pipe is equipped with the vinyl tube law circle. This be provided with the main effect of through-hole in the position circle and lie in carrying out spacing fixed to the ethylene pipe method circle to make the steel lining polytetrafluoroethylene pipe of being connected with the ethylene pipe method circle be the longitudinal symmetry and distribute, also play the effect of carrying out concentric location to the steel lining polytetrafluoroethylene pipe simultaneously, and the main effect of ethylene pipe method circle lies in can fixing a position the steel lining polytetrafluoroethylene pipe, also plays the effect of fixed seal circle simultaneously.

Description

Positioning device for improving mould pressing concentricity of steel lining polytetrafluoroethylene tube and pipe fitting

Technical Field

The utility model relates to a positioner technical field of steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity specifically is a positioner who improves steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity.

Background

The steel-lined polytetrafluoroethylene PTFE pipe and the steel-lined polytetrafluoroethylene PTFE pipe fittings are well known as the plastic king, have excellent temperature resistance and corrosion resistance, and are ideal conveying equipment for organic solvents such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and the like and other strongly corrosive media. The steel lining tetrafluoro pipe and fittings can stably run under the working condition of high temperature (within 150 ℃) limit negative pressure for a long time, the defect that the traditional steel lining tetrafluoro pipe and fittings can not resist negative pressure is overcome, and the steel lining tetrafluoro pipe and fittings are widely applied to a plurality of high-temperature high-negative-pressure systems such as distillation and the like.

The method for jointing the steel-lined polytetrafluoroethylene pipe and the outer pipe fitting commonly adopted in the market at present is mainly carried out in a flange and screw mode, but the jointing mode often causes that the ethylene pipes at two ends are jointed on the same round mandrel, and the leakage condition between the ethylene pipes occasionally occurs because the positioning is not accurate enough. Therefore, a positioning device for improving the molding concentricity of the steel-lined polytetrafluoroethylene tube and the pipe fitting is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve positioner of steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity to the mode that is used for steel lining polytetrafluoroethylene pipe and outer pipe fitting linking that generally adopts on the existing market that proposes in solving above-mentioned background art mainly goes on with the mode of flange and screw rod, but such connected mode often can appear the ethylene pipe at both ends link up not on same round mandrel, simultaneously because the location is not accurate can also appear the problem of the seepage condition between the ethylene pipe occasionally.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for improving the mould pressing concentricity of a steel lining polytetrafluoroethylene tube and a tube fitting comprises an upper tube fitting and a lower tube fitting, wherein the lower end of the upper tube fitting is provided with the upper tube fitting, a flange screw hole is reserved on the surface of the upper tube fitting, the opposite surface of the upper tube fitting is provided with the lower tube fitting, the lower end of the lower tube fitting is provided with the lower tube fitting, the inner parts of the upper tube fitting and the lower tube fitting are respectively provided with the steel lining polytetrafluoroethylene tube, the output end of the steel lining polytetrafluoroethylene tube is provided with a ethylene tube method ring, one side of the ethylene tube method ring is provided with a sealing ring, a positioning ring main body is arranged between the upper tube fitting and the lower tube fitting, a positioning ring inner through hole is arranged at the center of the positioning ring main body, the outermost side of the positioning ring main body is provided with a positioning outer ring, a positioning ring screw hole is arranged on the ring wall of the positioning ring main body, and a screw rod penetrates through, and the end of the screw rod is connected with a nut, and the outer sides of the upper pipe fitting and the lower pipe fitting are coated with antirust coatings.

Preferably, the inner wall of the through hole in the positioning ring at the center of the positioning ring main body is attached to the outer side of the ethylene tube method ring, and the ethylene tube method ring is distributed in a disc shape.

Preferably, the positioning outer ring on the outer side of the positioning ring main body is embedded with the upper pipe flange and the lower pipe flange, and the inner diameter of the positioning ring screw hole in the wall of the positioning ring main body is larger than the diameter of the screw.

Preferably, flange screw holes are reserved in the periphery of the surfaces of the upper pipe flange and the lower pipe flange, the upper pipe flange, the lower pipe flange and the positioning ring main body are fixed through a screw rod and a screw cap, and meanwhile, the flange screw holes are the same as the inner diameter of the positioning ring screw holes.

Preferably, the upper pipe flange and the lower pipe flange are distributed in a disc shape and are parallel to each other.

Preferably, the upper pipe fitting and the lower pipe fitting are communicated with each other, and the antirust coatings are distributed on the outer walls of the upper pipe fitting and the lower pipe fitting in a sealing manner.

Preferably, the upper pipe fitting and the steel lining polytetrafluoroethylene pipe inside the lower pipe fitting are communicated with each other through a ethylene pipe method ring and a sealing ring, and the upper surface and the lower surface of the sealing ring are attached to the ethylene pipe method ring.

Compared with the prior art, the beneficial effects of the utility model are that: this positioner with improve steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity is provided with the main action of through-hole in the position circle and lies in can carrying out spacing fixed to ethylene tube method circle to make the steel lining polytetrafluoroethylene pipe of being connected with ethylene tube method circle be upper and lower symmetric distribution, also play the effect of carrying out concentric location to steel lining polytetrafluoroethylene pipe simultaneously, and the main action of ethylene tube method circle lies in can fixing a position the steel lining polytetrafluoroethylene pipe, also plays the effect of stationary seal circle simultaneously.

The position circle main part mainly plays and links up fixed effect to top tube flange and low tube flange, and the main action of location outer lane lies in can carrying out spacing fixed to top tube flange and low tube flange to finally make top tube spare and lower tube spare be a concentric circles and link up, the main action of position circle screw lies in that cooperation flange screw hole carries out spacing fixed to the screw rod in addition.

The flange screw hole mainly plays the cooperation position circle screw hole and carries out spacing fixed to the screw rod, and the screw rod lies in can fixing upper tube flange and low tube flange and position circle main part with the main action of nut to finally make upper tube spare and low tube spare reciprocal anchorage and fuse.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the upper pipe fitting of the present invention;

FIG. 4 is a schematic view of the local enlarged structure at the A position of the present invention

In the figure: 1. fitting the pipe; 2. an upper pipe flange; 3. a flange screw hole; 4. a pipe fitting is arranged; 5. a lower pipe flange; 6. a steel lined polytetrafluoroethylene tube; 7. a vinyl tube flange; 8. a seal ring; 9. a through hole is arranged in the positioning ring; 10. a positioning ring main body; 11. positioning the outer ring; 12. a positioning ring screw hole; 13. a screw; 14. a nut; 15. and (4) antirust coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a vertical ice breaking drill with a protection device comprises an upper pipe fitting 1, an upper pipe flange 2, a flange screw hole 3, a lower pipe fitting 4, a lower pipe flange 5, a steel-lined polytetrafluoroethylene pipe 6, a vinyl pipe method ring 7, a sealing ring 8, a positioning ring inner through hole 9, a positioning ring main body 10, a positioning outer ring 11, a positioning ring screw hole 12, a screw rod 13, a screw cap 14 and an anti-rust coating 15, wherein the upper pipe flange 2 is arranged at the lower end of the upper pipe fitting 1, the flange screw hole 3 is reserved on the plate surface of the upper pipe flange 2, the lower pipe flange 5 is arranged on the opposite surface of the upper pipe flange 2, the lower pipe fitting 4 is arranged at the lower end of the lower pipe flange 5, the steel-lined polytetrafluoroethylene pipe 6 is arranged inside the upper pipe fitting 1 and the lower pipe fitting 4, the vinyl pipe method ring 7 is arranged at the output end of the steel-lined polytetrafluoroethylene pipe 6, the sealing ring 8 is arranged on one side of the vinyl pipe method ring 7, the positioning ring, and the center department of position circle main part 10 is equipped with position circle inner through-hole 9, and the outside of position circle main part 10 is equipped with location circle 11, and is equipped with position circle screw 12 on the circle wall of position circle main part 10, and the center department of top tube flange 2 and lower tube flange 5 and position circle screw 12 runs through there is screw rod 13, and the end-to-end connection of screw rod 13 has nut 14, and the outside of top tube spare 1 and lower tube spare 4 all scribbles anti-rust coating 15.

The inner wall of a through hole 9 in the positioning ring at the center of the positioning ring main body 10 is mutually attached to the outer side of the ethylene tube method ring 7, the ethylene tube method ring 7 is distributed in a disc shape, the through hole 9 in the positioning ring has the main function of limiting and fixing the ethylene tube method ring 7, so that the steel lining polytetrafluoroethylene tubes 6 connected with the ethylene tube method ring 7 are distributed in a vertical symmetrical mode, the concentric positioning effect on the steel lining polytetrafluoroethylene tubes 6 is achieved, and the ethylene tube method ring 7 has the main function of positioning and fixing the steel lining polytetrafluoroethylene tubes 6 and also has the function of fixing the sealing ring 8;

the positioning outer ring 11 on the outer side of the positioning ring main body 10 is in embedded distribution with the upper pipe flange 2 and the lower pipe flange 5, the inner diameter of a positioning ring screw hole 12 on the ring wall of the positioning ring main body 10 is larger than the diameter of the screw 13, the positioning ring main body 10 mainly plays a role in connecting and fixing the upper pipe flange 2 and the lower pipe flange 5, the positioning outer ring 11 mainly has the function of limiting and fixing the upper pipe flange 2 and the lower pipe flange 5, and finally the upper pipe fitting 1 and the lower pipe fitting 4 are communicated in a concentric circle, and the positioning ring screw hole 12 mainly has the function of limiting and fixing the screw 13 by matching with the flange screw hole 3;

a flange screw hole 3 is reserved on one periphery of the plate surfaces of the upper pipe flange 2 and the lower pipe flange 5, the upper pipe flange 2, the lower pipe flange 5 and the positioning ring main body 10 are fixed through a screw rod 13 and a screw cap 14, meanwhile, the inner diameters of the flange screw hole 3 and the positioning ring screw hole 12 are the same, the flange screw hole 3 is mainly matched with the positioning ring screw hole 12 to limit and fix the screw rod 13, and the screw rod 13 and the screw cap 14 mainly have the function of fixing the upper pipe flange 2, the lower pipe flange 5 and the positioning ring main body 10, so that the upper pipe fitting 1 and the lower pipe fitting 4 are fixed and connected into a whole finally;

the upper pipe flange 2 and the lower pipe flange 5 are distributed in a disc shape, the upper pipe flange 2 and the lower pipe flange 5 are parallel to each other, the upper pipe flange 2 and the lower pipe flange 5 mainly have the function of fixing the upper pipe fitting 1 and the lower pipe fitting 4, so that the upper pipe fitting 1 and the lower pipe fitting 4 can be communicated with each other, and meanwhile, the upper pipe flange 2 and the lower pipe flange 5 also have the function of extruding a vinyl pipe flange 7, so that the steel-lined polytetrafluoroethylene pipe 6 is connected more tightly;

the upper pipe fitting 1 and the lower pipe fitting 4 are communicated with each other, the antirust coating 15 is distributed on the outer walls of the upper pipe fitting 1 and the lower pipe fitting 4 in a sealing manner, the upper pipe fitting 1 and the lower pipe fitting 4 mainly have the functions of fixing the steel-lined polytetrafluoroethylene pipe 6 and externally protecting the steel-lined polytetrafluoroethylene pipe 6, so that the steel-lined polytetrafluoroethylene pipe 6 can normally run and circulate, and the antirust coating 15 mainly has the function of externally protecting the upper pipe fitting 1 and the lower pipe fitting 4;

go up pipe fitting 1 and the inside steel lining polytetrafluoroethylene pipe 6 of lower pipe fitting 4 and form intercommunication each other through vinyl tube method circle 7 and sealing washer 8, and the upper and lower two sides of sealing washer 8 laminate with vinyl tube method circle 7 each other, steel lining polytetrafluoroethylene pipe 6's main function lies in can transmitting various chemical liquid and gas and some chemical fluids that have corrosiveness, steel lining polytetrafluoroethylene pipe 6 still plays the effect of keeping apart chemical fluid and last pipe fitting 1 and lower pipe fitting 4 simultaneously, sealing washer 8 mainly plays the effect that prevents chemical fluids and ooze in addition.

The working principle is as follows: for the positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the tube fitting, firstly, the lower tube fitting 4 is fixed, then the sealing ring 8 is placed at the periphery of the ethylene tube method ring 7, then the positioning ring main body 10 is placed at the upper end of the lower tube flange 5, finally the upper tube fitting 1 together with the upper tube flange 2 is butted with the positioning ring main body 10, finally, the upper pipe fitting 1 and the lower pipe fitting 4 are just clamped with the positioning outer ring 11, finally, the screw rod 13 is inserted into the centers of the flange screw hole 3 and the positioning ring screw hole 12, and finally the upper pipe flange 2 and the lower pipe flange 5 are fixed by the screw cap 14, all the steel lining polytetrafluoroethylene pipes 6 can be put into use after being installed, and the steel lining polytetrafluoroethylene pipes 6 have the advantages of high temperature resistance and negative pressure resistance, it should be further understood that the rust preventive coating 15 has a function of preventing the upper pipe 1 and the lower pipe 4 from being corroded.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improve positioner of steel lining polytetrafluoroethylene pipe and pipe fitting mould pressing concentricity, includes pipe fitting (1) and lower tube flange (5), its characterized in that: the lower end of the upper pipe fitting (1) is provided with an upper pipe flange (2), a flange screw hole (3) is reserved on the surface of the upper pipe flange (2), the opposite surface of the upper pipe flange (2) is provided with a lower pipe flange (5), the lower end of the lower pipe flange (5) is provided with a lower pipe fitting (4), the inner parts of the upper pipe fitting (1) and the lower pipe fitting (4) are respectively provided with a steel lining polytetrafluoroethylene pipe (6), the output end of the steel lining polytetrafluoroethylene pipe (6) is provided with a ethylene pipe method ring (7), one side of the ethylene pipe method ring (7) is provided with a sealing ring (8), a positioning ring main body (10) is arranged between the upper pipe flange (2) and the lower pipe flange (5), the center of the positioning ring main body (10) is provided with a positioning ring inner through hole (9), the outermost side of the positioning ring main body (10) is provided with a positioning outer ring (11), and the ring wall of the positioning ring main body (10) is provided with, go up pipe flange (2) and center department of low tube flange (5) and position ring screw (12) and run through screw rod (13), and the end-to-end connection of screw rod (13) has nut (14), go up the outside of pipe fitting (1) and low tube fitting (4) and all scribble anti rust coating (15).

2. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: the inner wall of a through hole (9) in the positioning ring at the center of the positioning ring main body (10) is attached to the outer side of the ethylene tube method ring (7), and the ethylene tube method ring (7) is distributed in a disc shape.

3. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: the positioning outer ring (11) on the outer side of the positioning ring main body (10) is embedded with the upper pipe flange (2) and the lower pipe flange (5) and the inner diameter of a positioning ring screw hole (12) in the ring wall of the positioning ring main body (10) is larger than the diameter of the screw rod (13).

4. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: the flange screw holes (3) are reserved in the periphery of the surfaces of the upper pipe flange (2) and the lower pipe flange (5), the upper pipe flange (2), the lower pipe flange (5) and the positioning ring main body (10) are fixed through the screw rods (13) and the screw caps (14), and meanwhile the flange screw holes (3) are the same as the inner diameter of the positioning ring screw holes (12).

5. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: the upper pipe flange (2) and the lower pipe flange (5) are distributed in a disc shape, and the upper pipe flange (2) is parallel to the lower pipe flange (5).

6. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: go up pipe fitting (1) and lower pipe fitting (4) intercommunication each other, and anti rust coating (15) are sealed form to the outer wall of going up pipe fitting (1) and lower pipe fitting (4) and distribute.

7. The positioning device for improving the die pressing concentricity of the steel lining polytetrafluoroethylene tube and the pipe fitting according to claim 1, characterized in that: the upper pipe fitting (1) and the lower pipe fitting (4) are internally provided with the polytetrafluoroethylene pipe (6) with the steel lining through the ethylene pipe method ring (7) and the sealing ring (8) to be communicated with each other, and the upper surface and the lower surface of the sealing ring (8) are mutually attached to the ethylene pipe method ring (7).