CN218378286U

CN218378286U - Tetrafluoro expander

Info

Publication number: CN218378286U
Application number: CN202222351381.0U
Authority: CN
Inventors: 刘永占; 吴春龙; 蔡喜武
Original assignee: Jilin Long Yuan Qi Chemical LLC
Current assignee: Jilin Long Yuan Qi Chemical LLC
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-24
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a tetrafluoro expander, including tetrafluoro welt, the both sides of tetrafluoro welt are connected with the ring flange, the outside of ring flange is connected with the otic placode, the inside of otic placode is connected with the pull rod, the both ends of pull rod are connected with the nut, the surface of otic placode is provided with annular thread groove, one side of annular thread groove is connected with the end cap, the inside of annular thread groove is connected with the inserted bar, the outside of inserted bar is connected with the outer tube, the inside of outer tube is connected with the bracer, the one end of bracer is connected with the spring, one side of outer tube is connected with the sealing washer; the utility model discloses in, on original basis, cover pull rod and nut cage in the inside of outer tube and end cap, make the contact of its pull rod and the isolated air of nut and moisture, ensure that the condition of rust and corrosion can not appear in pull rod and nut to improve the life of tetrafluoro expander.

Description

Tetrafluoro expander

Technical Field

The utility model relates to a pipeline field especially relates to a tetrafluoro expander.

Background

The tetrafluoro expander is mainly used for pipeline systems in the industries of chemical engineering, medicine, food and the like, plays a role in pipeline compensation and a certain anticorrosion role, can be used for pipeline dislocation connection or is used for balancing pipeline displacement and size change caused by weather or other reasons or is used for eliminating vibration of high-frequency machinery.

There are the following problems:

for the existing tetrafluoro expander, the three groups of pull rods and nuts are used for a long time or in a severe environment, so that the situation of rusting and corrosion is easy to occur, the tetrafluoro expander cannot be normally used, and the service life of the tetrafluoro expander is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tetrafluoro expander.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a tetrafluoro expander, includes the tetrafluoro welt, the both sides of tetrafluoro welt are connected with the ring flange, the outside of ring flange is connected with the otic placode, the internal connection of otic placode has the pull rod, the both ends of pull rod are connected with the nut, the surface of otic placode is provided with the annular thread groove, one side of annular thread groove is connected with the end cap, the internal connection of annular thread groove has the inserted bar, the outside of inserted bar is connected with the outer tube, the internal connection of outer tube has the bracer, the one end of bracer is connected with the spring, one side of outer tube is connected with the sealing washer.

As a further description of the above technical solution:

the both ends joint of tetrafluoro welt is in the inboard of ring flange, the quantity of ring flange has two sets ofly, the central symmetry about the tetrafluoro welt in the center of ring flange.

As a further description of the above technical solution:

the outside fixed connection of ring flange is in the inboard of otic placode, the quantity of otic placode has three groups, three groups the otic placode is the circumference distribution about the center of ring flange.

As a further description of the above technical solution:

the inner part of the ear plate is inserted at two ends of the pull rod, two ends of the pull rod are in threaded connection with the inner part of the nuts, three groups of nuts are arranged, and three groups of annular thread grooves are arranged.

As a further description of the above technical solution:

the inside threaded connection of annular thread groove is in the one end of end cap, the quantity of end cap has three groups, the inside joint of annular thread groove is in the one end of inserted bar, the other end fixed connection of inserted bar is in the one end of spring.

As a further description of the above technical solution:

the one end fixed connection of spring is in the one end of bracer, the outside fixed connection of bracer is at the inner wall of outer tube, the both ends laminating of outer tube is in the one end of sealing washer, the other end laminating of sealing washer is in the inboard of otic placode.

Compared with the prior art, the beneficial effects of the utility model are that:

on original basis, cover pull rod and nut cage in the inside of outer tube and end cap, make the contact of its pull rod and the isolated air of nut and moisture, ensure that the condition of rusty corrosion can not appear in pull rod and nut to improve the life of tetrafluoro expander.

Drawings

Fig. 1 is a schematic diagram of an original structure of a tetrafluoro expander provided by the present invention;

fig. 2 is a schematic diagram of a modified tetrafluoro expander provided by the present invention;

fig. 3 is a cross-sectional view of an outer sleeve of a tetrafluoro expander according to the present invention.

Illustration of the drawings:

1. a tetrafluoro lining plate; 2. a flange plate; 3. an ear plate; 4. a pull rod; 5. a nut; 6. an annular thread groove; 7. an outer sleeve; 8. inserting a rod; 9. a support block; 10. a spring; 11. a seal ring; 12. an end cap.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a tetrafluoro expander, including tetrafluoro welt 1, the both sides of tetrafluoro welt 1 are connected with ring flange 2, ring flange 2's the outside is connected with otic placode 3, the internal connection of otic placode 3 has pull rod 4, the both ends of pull rod 4 are connected with nut 5, the surface of otic placode 3 is provided with annular thread groove 6, one side of annular thread groove 6 is connected with end cap 12, the internal connection of annular thread groove 6 has inserted bar 8, the outside of inserted bar 8 is connected with outer tube 7, the internal connection of outer tube 7 has bracer 9, the one end of bracer 9 is connected with spring 10, one side of outer tube 7 is connected with sealing washer 11.

The two ends of the tetrafluoro lining plate 1 are clamped on the inner sides of the flange plates 2, the number of the flange plates 2 is two, the centers of the flange plates 2 are symmetrical about the center of the tetrafluoro lining plate 1, the flange plates 2 have the effect of connecting with external equipment, and the tetrafluoro lining plate 1 has the effects of buffering protection and corrosion prevention on a pipeline; the outer side of the flange plate 2 is fixedly connected to the inner side of the lug plates 3, the number of the lug plates 3 is three, the three sets of lug plates 3 are distributed in a circumferential manner relative to the center of the flange plate 2, and the lug plates 3 have a connecting effect on the pull rod 4; the inner part of the lug plate 3 is inserted at two ends of the pull rod 4, two ends of the pull rod 4 are in threaded connection with the inner part of the nuts 5, the number of the nuts 5 is three, the number of the annular thread grooves 6 is three, wherein the pull rod 4 can be fixed in the lug plate 3 under the action of the nuts 5, and the annular thread grooves 6 are used for fixing the outer sleeve 7 and the end cap 12; the inner thread of the annular thread groove 6 is connected to one end of an end cap 12, the number of the end caps 12 is three, the inner part of the annular thread groove 6 is clamped at one end of an insert rod 8, the other end of the insert rod 8 is fixedly connected to one end of a spring 10, wherein the end cap 12 is used for covering two ends of a pull rod 4 and a nut 5, and the insert rod 8 is inserted in the annular thread groove 6 and used for fixing an outer sleeve 7 on the inner side of an ear plate 3; one end fixed connection of spring 10 is in the one end of bracer 9, the outside fixed connection of bracer 9 is at the inner wall of outer tube 7, the laminating of the both ends of outer tube 7 is in the one end of sealing washer 11, the laminating of the other end of sealing washer 11 is in the inboard of otic placode 3, wherein the bracer 9 plays the supporting effect to spring 10, spring 10 is used for driving sealing washer 11 to pop out the inside of outer tube 7, outer tube 7 is used for covering pull rod 4, sealing washer 11 is used for sealing connection outer tube 7 and otic placode 3.

And (3) description of a work flow: press the inserted bar 8 of both sides, let inserted bar 8 shrink in the inside of outer tube 7, and remove outer tube 7 to the inboard of two sets of otic placodes 3, see the accurate position, loosen inserted bar 8, under the effect of spring 10, let inserted bar 8 card advance the inside of annular thread groove 6, the inboard of its sealing washer 11 one end laminating at otic placode 3, play the sealed effect between two sets of otic placodes 3, later penetrate the inside of two sets of otic placodes 3 with pull rod 4, let pull rod 4 come the inside of outer tube 7, screw in nut 5 is come at the both ends of pull rod 4, fix pull rod 4, after fixed the completion, screw in end cap 12 is to the inside of annular thread groove 6, accomplish covering to pull rod 4, prevent pull rod 4 and nut 5 in long-time use, the condition of rusty corrosion damage appears, this tetrafluoro expander is at the during operation, its teflon welt 1 can play the effect of shock attenuation amortization, and can play good cushioning effect, and good anticorrosive effect, be used for protecting the pipeline.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A tetrafluoro expander comprises a tetrafluoro lining plate (1), and is characterized in that: the both sides of tetrafluoro welt (1) are connected with ring flange (2), the outside of ring flange (2) is connected with otic placode (3), the internal connection of otic placode (3) has pull rod (4), the both ends of pull rod (4) are connected with nut (5), the surface of otic placode (3) is provided with annular thread groove (6), one side of annular thread groove (6) is connected with end cap (12), the internal connection of annular thread groove (6) has inserted bar (8), the outside of inserted bar (8) is connected with outer tube (7), the internal connection of outer tube (7) has bracer (9), the one end of bracer (9) is connected with spring (10), one side of outer tube (7) is connected with sealing washer (11).

2. The tetrafluoro expander according to claim 1, characterized in that: the both ends joint of tetrafluoro welt (1) is in the inboard of ring flange (2), the quantity of ring flange (2) has two sets ofly, the central symmetry about tetrafluoro welt (1) in the center of ring flange (2).

3. The tetrafluoro expander according to claim 1, characterized in that: the outside fixed connection of ring flange (2) is in the inboard of otic placode (3), the quantity of otic placode (3) has three groups, three groups otic placode (3) are the circumference distribution about the center of ring flange (2).

4. The tetrafluoro expander according to claim 1, characterized in that: the inner parts of the ear plates (3) are inserted into two ends of the pull rod (4), two ends of the pull rod (4) are in threaded connection with the inner parts of the nuts (5), three groups of nuts (5) are arranged, and three groups of annular thread grooves (6) are arranged.

5. The tetrafluoro expander according to claim 1, characterized in that: the inside threaded connection of annular thread groove (6) is in the one end of end cap (12), the quantity of end cap (12) has three groups, the inside joint of annular thread groove (6) is in the one end of inserted bar (8), the other end fixed connection of inserted bar (8) is in the one end of spring (10).

6. The tetrafluoro expander according to claim 1, characterized in that: the one end fixed connection of spring (10) is in the one end of brace piece (9), the outside fixed connection of brace piece (9) is at the inner wall of outer tube (7), the both ends laminating of outer tube (7) is in the one end of sealing washer (11), the other end laminating of sealing washer (11) is in the inboard of otic placode (3).