CN218119051U

CN218119051U - Polytetrafluoroethylene composite pipe

Info

Publication number: CN218119051U
Application number: CN202222411061.XU
Authority: CN
Inventors: 沈军; 邱海山
Original assignee: Shanghai Rongyuan Fluoroplastic Products Co ltd
Current assignee: Shanghai Rongyuan Fluoroplastic Products Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-23
Anticipated expiration: 2032-09-13

Abstract

The application discloses a polytetrafluoroethylene composite pipe, which belongs to the field of composite pipes and comprises two composite pipes, wherein a flange plate is arranged at one end, close to each of the two composite pipes, of each of the two composite pipes, a first mounting ring and a second mounting ring are respectively sleeved on the two composite pipes, a first sleeve is arranged on the side wall, close to the second mounting ring, of the first mounting ring, a second sleeve is arranged on the side wall, close to the first mounting ring, of the second mounting ring, a sealing ring is arranged on the inner wall, far away from one end of the second sleeve, of the first sleeve, a material blocking ring is arranged at one end of the first sleeve, a plurality of positioning blocks are fixed on the outer wall of the first sleeve, positioning holes are formed in the positioning blocks, a mounting rod is fixed on the outer wall of the second sleeve, and a screw rod is fixed at one end of the mounting rod; this application novel in design, the structure is ingenious, when needing to change the position of compound pipe, conveniently adjusts the junction, is applicable to different installation conditions, and stability is high, convenient operation, and the practicality is high.

Description

Polytetrafluoroethylene composite pipe

Technical Field

The application relates to the technical field of composite pipes, in particular to a polytetrafluoroethylene composite pipe.

Background

Polytetrafluoroethylene, commonly referred to as "non-stick coatings" or "easy-to-clean materials". The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. Meanwhile, the polytetrafluoroethylene has the characteristic of high temperature resistance, and the friction coefficient of the polytetrafluoroethylene is extremely low. The composite pipe made of polytetrafluoroethylene can be used for conveying strong corrosive gas and liquid at high temperature, which cannot be replaced by other pipelines.

The compound pipe of polytetrafluoroethylene generally connects through the ring flange, and this kind of connected mode is though simple firm, but the ring flange can't be adjusted, when the junction of compound pipe need be adjusted, needs to remove the position of pipeline, leads to many pipelines all to remove, wastes time and energy, needs to increase new pipeline between two compound pipes like this and docks, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

The application provides a compound pipe of polytetrafluoroethylene to the compound pipe of polytetrafluoroethylene who proposes in solving above-mentioned background art is generally connected through the ring flange, though this kind of connected mode is simple firm, but the ring flange can't be adjusted, when the junction of compound pipe need be adjusted, need remove the position of pipeline, lead to many pipelines all to remove, waste time and energy, need increase new pipeline between two compound pipes like this and dock, the problem of the operation complicacy.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a polytetrafluoroethylene composite pipe comprises two composite pipes, wherein flanges are arranged at the ends, close to the two composite pipes, of the two composite pipes, a first mounting ring and a second mounting ring are sleeved on the two composite pipes respectively, and the first mounting ring and the second mounting ring are mounted on the flanges at the two sides respectively; the side wall of the first mounting ring close to the second mounting ring is provided with a first sleeve, the side wall of the second mounting ring close to the first mounting ring is provided with a second sleeve, the second sleeve is located inside the first sleeve, two composite pipes are communicated, a sealing ring is arranged on the inner wall of the first sleeve far away from one end of the second sleeve, the inner diameter of the first sleeve is large, the sealing performance of the first sleeve and a flange plate is improved, one end of the first sleeve is provided with a material retaining ring, the material retaining ring can eliminate the drop between the first sleeve and the second sleeve, impurity accumulation is reduced, a plurality of positioning blocks are fixed on the outer wall of the first sleeve, positioning holes are formed in the positioning blocks, a mounting rod is fixed on the outer wall of the second sleeve, one end of the mounting rod is fixed with a screw rod, the screw rod is inserted into the positioning holes, the first nut and the second nut are in threaded connection with the screw rod, the screw rod and the positioning blocks can be fixedly connected by utilizing the first nut and the second nut, and the stability of connection of the first sleeve and the second sleeve is improved.

As a preferred embodiment, threaded holes are formed in the first mounting ring and the second mounting ring, bolts are arranged in the threaded holes, the bolts are matched with the mounting holes of the flange plate in size, and the first mounting ring and the second mounting ring can be fixedly connected conveniently by the bolts.

In a preferred embodiment, the inner diameter of the first mounting ring and the second mounting ring is the same as the outer diameter of the composite pipe, and the ring width of the first mounting ring is larger than that of the second mounting ring.

In a preferred embodiment, the sealing ring is a rubber sealing ring, and an inner ring of the sealing ring is smaller than an outer diameter of the flange plate.

In a preferable embodiment, the material blocking ring is adhered to the end part of the second sleeve, and the inner cavity of the material blocking ring is conical.

As a preferred embodiment, the number of the positioning blocks and the number of the mounting rods are four, the four positioning blocks are distributed on the side wall of the first sleeve in a circumferential array, and the four positioning blocks correspond to the positions of the four mounting rods respectively.

The beneficial effect of this application:

1. according to the polytetrafluoroethylene composite pipe, the mounting ring I, the mounting ring II, the sleeve I, the sleeve II, the sealing ring and the material blocking ring are arranged, the sleeve I and the sleeve II can move in pairs, when the position of the composite pipe needs to be changed, the joint can be conveniently adjusted, the polytetrafluoroethylene composite pipe is suitable for different mounting conditions, and is simple and practical;

2. this compound pipe of polytetrafluoroethylene is through setting up locating piece, installation pole, screw rod, nut one, nut two and locating hole, the position of adjusting nut one and nut two makes the rigidity of screw rod, improves the stability that sleeve pipe one is connected with sleeve pipe two, and the practicality is high.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a side view of a first collar and a first sleeve of the present application.

The reference numbers in the figures: 1. a composite pipe; 2. a flange plate; 3. a first mounting ring; 4. a second mounting ring; 5. a first sleeve; 6. a second sleeve; 7. a seal ring; 8. a material blocking ring; 9. positioning blocks; 10. mounting a rod; 11. a screw; 12. a first nut; 13. a second nut; 14. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

Referring to fig. 1 and 2, a polytetrafluoroethylene composite pipe, including two composite pipe 1, the one end that two composite pipe 1 are close to mutually all is provided with ring flange 2, suit collar one 3 and collar two 4 respectively on two composite pipe 1, collar one 3 and collar two 4 are installed respectively on the ring flange 2 of both sides, all set up threaded hole on collar one 3 and the collar two 4, and threaded hole is provided with the bolt, the mounting hole size phase-match of bolt and ring flange 2, utilize the bolt, can conveniently be with collar one 3 and collar two 4 fixed connection.

Referring to fig. 1, a first sleeve 5 is arranged on the side wall of the first mounting ring 3 close to the second mounting ring 4, a second sleeve 6 is arranged on the side wall of the second mounting ring 4 close to the first mounting ring 3, the second sleeve 6 is located inside the first sleeve 5, so that the two composite pipes 1 are communicated, the inner diameters of the first mounting ring 3 and the second mounting ring 4 are the same as the outer diameter of the composite pipe 1, and the ring width of the first mounting ring 3 is larger than that of the second mounting ring 4. The inner wall of one end, away from the second sleeve 6, of the first sleeve 5 is provided with a sealing ring 7, the inner diameter of the first sleeve 5 is larger, the sealing ring 7 is a rubber sealing ring, the inner ring of the sealing ring 7 is smaller than the outer diameter of the flange plate 2, and the sealing performance of the first sleeve 5 and the flange plate 2 is improved.

Referring to fig. 1 and 2, one end of the first sleeve pipe 5 is provided with a material blocking ring 8, the material blocking ring 8 is bonded at the end of the second sleeve pipe 6, the inner cavity of the material blocking ring 8 is conical, the material blocking ring 8 can eliminate the fall between the first sleeve pipe 5 and the second sleeve pipe 6, impurity accumulation is reduced, a plurality of positioning blocks 9 are fixed on the outer wall of the first sleeve pipe 5, positioning blocks 9 are internally provided with positioning holes 14, mounting rods 10 are fixed on the outer wall of the second sleeve pipe 6, the positioning blocks 9 and the mounting rods 10 are provided with four, the four positioning blocks 9 are distributed on the side wall of the first sleeve pipe 5 in a circumferential array mode, and the four positioning blocks 9 correspond to the positions of the four mounting rods 10 respectively. A screw rod 11 is fixed at one end of the mounting rod 10, the screw rod 11 and the positioning hole 14 are identical in size, the screw rod 11 is inserted into the positioning hole 14, a first nut 12 and a second nut 13 are connected to the screw rod 11 in a threaded mode, the first nut 12 and the second nut 13 are located on the two sides of the positioning block 9, the screw rod 11 and the positioning block 9 can be fixedly connected through the first nut 12 and the second nut 13, and the stability of connection of the first sleeve 5 and the second sleeve 6 is improved.

The working principle is as follows: during connection, install respectively on the ring flange 2 of both sides through the bolt with collar one 3 and collar two 4 earlier, sleeve pipe two 6 inserts in sleeve pipe one 5, remove the rightmost end of screw rod 11 with nut two 13 earlier, then insert four screw rods 11 in four locating holes 14, according to the length of connecting, then twist screw rod 11 with nut one 12, make nut one 12 hug closely the left side of locating piece 9, then rotate nut two 13, make nut two 13 hug closely locating piece 14, can be with screw rod 11 and locating piece 9 fixed connection, improve the stability that sleeve pipe one 5 and sleeve pipe two 6 are connected, and the operation is simple, and the practicality is high.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. The utility model provides a polytetrafluoroethylene composite pipe, includes two composite pipe (1), its characterized in that, two the one end that composite pipe (1) is close to mutually all is provided with ring flange (2), two on composite pipe (1) respectively suit collar (3) and collar two (4), collar (3) are provided with sleeve pipe (5) on being close to the lateral wall of collar two (4), collar two (4) are provided with sleeve pipe two (6) on being close to the lateral wall of collar one (3), sleeve pipe one (5) are kept away from and are provided with sealing washer (7) on the inner wall of sleeve pipe two (6) one end, the one end of sleeve pipe one (5) is provided with keeps off material circle (8), be fixed with a plurality of locating pieces (9) on the outer wall of sleeve pipe one (5), just be provided with locating hole (14) in locating piece (9), be fixed with installation pole (10) on the outer wall of sleeve pipe two (6), the one end of installation pole (10) is fixed with screw rod (11), threaded connection has nut one (12) and nut two (13) on screw rod (11).

2. The polytetrafluoroethylene composite pipe according to claim 1, wherein the first mounting ring (3) and the second mounting ring (4) are both provided with threaded holes, and bolts are arranged in the threaded holes and are matched with the mounting holes of the flange plate (2) in size.

3. A ptfe composite pipe according to claim 2, wherein the inner diameters of the first mounting ring (3) and the second mounting ring (4) are the same as the outer diameter of the composite pipe (1), and the annular width of the first mounting ring (3) is larger than that of the second mounting ring (4).

4. The polytetrafluoroethylene composite pipe according to claim 1, wherein the sealing ring (7) is a rubber sealing ring, and the inner ring of the sealing ring is smaller than the outer diameter of the flange (2).

5. The polytetrafluoroethylene composite pipe according to claim 1, wherein the baffle ring (8) is bonded to the end of the second sleeve (6), and the inner cavity of the baffle ring (8) is conical.

6. The polytetrafluoroethylene composite pipe according to claim 1, wherein there are four positioning blocks (9) and four mounting rods (10), four positioning blocks (9) are distributed on the sidewall of the first sleeve (5) in a circumferential array, and the four positioning blocks (9) correspond to the four mounting rods (10) respectively.