CN214662627U

CN214662627U - Teflon hose with multi-section connection

Info

Publication number: CN214662627U
Application number: CN202023326968.3U
Authority: CN
Inventors: 徐炜
Original assignee: Suzhou Suhuang Metal Hose Co ltd
Current assignee: Suzhou Suhuang Metal Hose Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-09
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a multi-section connected Teflon hose, which comprises a metal sleeve, wherein the inner wall of the metal sleeve is connected with an upper section, one side of the upper section is connected with a middle section, two sides of the middle section are provided with gaskets, one side of the middle section is connected with a tail section, the center of the inner part of the metal sleeve is provided with an inner tube, the outer wall of the inner tube is provided with an occlusion part, the top of the occlusion part is connected with a head part, the bottom of the occlusion part is connected with a root part, a groove is arranged between two groups of occlusion parts, the outer part of the groove is provided with an outer tube, the inner wall of the inner tube is provided with a sleeve, the inner wall of the sleeve is connected with a vacuum hole, one end of the sleeve is connected with a nut, the axle center of the nut is provided with a threaded bolt, the utility model can prevent the inner tube from separating when being connected with a pipeline through the common action of a connecting structure with the inner tube, and the Teflon hose formed by multi-end connection is relatively speaking, can prolong or shorten the length, is convenient to carry and transport and is simple to install.

Description

Teflon hose with multi-section connection

Technical Field

The utility model relates to a teflon hose technical field especially relates to a teflon hose that multistage is connected.

Background

The Teflon hose is also called as a PTFE (polytetrafluoroethylene) pipe and a polytetrafluoroethylene pipe, can be suitable for having excellent characteristics of chemical resistance, no adhesion, low friction and the like, and has a series of excellent service performances: for example, the Teflon hose is resistant to high temperature, 200-260 ℃ of long-term use temperature and low temperature, is still soft at minus 100 ℃, is corrosion-resistant, can resist all organic solvents, is weather-resistant, and is a better aging life in plastics.

There are the following problems:

the friction coefficient of the existing Teflon hose is low, the adhesion force with outer engineering plastics is poor, the two layers are easily separated along the axial direction in the post-processing process, the inner layer can be seriously pulled out, the trouble is brought to the subsequent production, the length of the hose can not be prolonged and contracted, and the hose is inconvenient to carry and transport.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multi-section connected Teflon hose.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a teflon hose that multistage is connected, includes the metal covering, the inner wall connection of metal covering has the upper segment, one side of upper segment is connected with the middle section, the both sides in middle section are provided with the packing ring, one side in middle section is connected with the end section, the inside center department of metal covering is provided with the inner tube, the outer wall of inner tube is provided with interlock portion, the top of interlock portion is connected with the head, the bottom of interlock portion is connected with the root, and is two sets of be provided with the recess between the interlock portion, the outside of recess is provided with the outer tube, the inner wall of inner tube is provided with the sleeve, telescopic inner wall connection has the vacuum hole, telescopic one end is connected with the nut, the axle center department of nut is provided with the screw bolt.

As a further description of the above technical solution:

the inner wall and the upper segment joint of metal covering, the length of upper segment and tail section equals, one side and the middle section threaded connection of upper segment, the metal covering shape in middle section is oval-shaped.

As a further description of the above technical solution:

the both sides and the packing ring joint of middle section, the quantity of packing ring is four groups, one side and the tail section threaded connection of middle section.

As a further description of the above technical solution:

the metal sleeve is characterized in that the center inside the metal sleeve is clamped with the inner tube, the outer wall of the inner tube is fixedly connected with the occlusion part, and the occlusion part is the same as the groove in shape.

As a further description of the above technical solution:

the top of the occlusion part is fixedly connected with the head, the head is an outward-protruding arc-shaped surface, the bottom of the occlusion part is fixedly connected with the root, and the width of the cross section of the root is narrow in the middle and wide at two ends.

As a further description of the above technical solution:

two sets of be fixed with the recess between the interlock portion, it is adjacent be formed with the interlock portion between the recess, the outside in the outer tube joint of recess, the diameter of outer tube is greater than the diameter of inner tube, the inner wall and the sleeve of inner tube are pegged graft, telescopic inner wall and vacuum hole joint.

As a further description of the above technical solution:

one end of the sleeve is in threaded connection with the nut, the nut is hexagonal in shape, the axis of the nut is in threaded connection with the threaded bolt, and the threaded bolt is provided with a through hole inside and is a horn mouth.

The utility model discloses following beneficial effect has:

through the combined action with inner tube linkage structure for when linking to each other with the pipeline, prevent that the inner tube from taking place the condition of separation, the teflon hose that forms through the multi-end connection relatively speaking in addition can prolong or shorten length, portable and transportation and installation are simple.

Drawings

Fig. 1 is a schematic structural view of a multi-section connection teflon hose according to the present invention;

fig. 2 is a sectional view of an inner tube of a multi-section connected teflon hose according to the present invention;

fig. 3 is a schematic structural view of a multi-section connected teflon hose sleeve according to the present invention;

fig. 4 is a sectional view of a multi-section connected teflon hose nut of the present invention.

Illustration of the drawings:

1. a metal sheath; 2. an upper section; 3. a gasket; 4. a middle section; 5. a tail section; 6. an inner tube; 7. an engaging portion; 8. a head portion; 9. a root portion; 10. a groove; 11. an outer tube; 12. a vacuum hole; 13. a sleeve; 14. a nut; 15. and (4) screwing.

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. 1-4, the present invention provides an embodiment: a multi-section connected Teflon hose comprises a metal sleeve 1, wherein the inner wall of the metal sleeve 1 is connected with an upper section 2, one side of the upper section 2 is connected with a middle section 4, two sides of the middle section 4 are provided with gaskets 3, one side of the middle section 4 is connected with a tail section 5, the center of the interior of the metal sleeve 1 is provided with an inner tube 6, the outer wall of the inner tube 6 is provided with an occlusion part 7, the occlusion parts 7 can be mutually occluded and fixed, so that the situation that the inner tube 6 is separated from the outer tube 11 is better prevented, the top of the occlusion part 7 is connected with a head part 8, the bottom of the occlusion part 7 is connected with a root part 9, a groove 10 is arranged between the two groups of occlusion parts 7, occlusion forces are respectively arranged in the longitudinal and transverse directions, so that the friction force between the inner tube 6 and the outer tube 11 can be further increased, the outer tube 11 is arranged outside the groove 10, the inner wall of the inner tube 6 is provided with a sleeve 13, the inner wall of the sleeve 13 is connected with a vacuum hole 12, one end of the sleeve 13 is connected with a nut 14, a threaded bolt 15 is provided at the axial center of the nut 14.

The inner wall of the metal sleeve 1 is clamped with the upper section 2, the length of the upper section 2 is equal to that of the tail section 5, one side of the upper section 2 is in threaded connection with the middle section 4, the metal sleeve 1 of the middle section 4 is oval, two sides of the middle section 4 are clamped with the gaskets 3, the quantity of the gaskets 3 is four, one side of the middle section 4 is in threaded connection with the tail section 5, the center inside the metal sleeve 1 is clamped with the inner pipe 6, the outer wall of the inner pipe 6 is fixedly connected with the clamping part 7, the structural stability is improved, the clamping part 7 is the same as the groove 10 in shape, the clamping part 7 is convenient to clamp, the top of the clamping part 7 is fixedly connected with the head part 8, the head part 8 is an arc-shaped surface which is convex, the bottom of the clamping part 7 is fixedly connected with the root part 9, the width of the cross section of the root part 9 is narrow in the middle, the two ends are wide, the structure is more perfect, the grooves 10 are fixedly arranged between the two groups of the clamping parts 7, and the adjacent grooves 10 are formed with the clamping part 7, the outside and the outer tube 11 joint of recess 10, the diameter of outer tube 11 is greater than the diameter of inner tube 6, and the inner wall and the sleeve 13 of inner tube 6 are pegged graft, and the inner wall and the vacuum hole 12 joint of sleeve 13, the one end and the nut 14 threaded connection of sleeve 13, nut 14 shape are the hexagon, and the axle center department and the threaded bolt 15 threaded connection of nut 14, the inside of threaded bolt 15 has been seted up the perforation and has been the horn mouth.

The working principle is as follows: this kind of teflon hose that multistage is connected is when using, at first rotatory through the screw thread, then with upper segment 2, middle section 4 is connected with tail section 5, then with its outer wall to 1 joint of metal covering, can prolong or shorten its length through the teflon hose of multistage formula, portable and transportation and installation are simple, and the teflon hose is through setting up interlock portion 7 and head 8 at inner tube 6 and being the arcwall face of evagination, so accessible head 8 carries out the interlock to outer tube 11 after outer tube 11 is fixed with inner tube 6, and then prevent that inner tube 6 from taking place the condition of separation, and when the assembly, the nut 14 that needs this teflon hose coupling of centre gripping rotates, can lock overall structure through turnbuckle 15.

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 scope of the invention.

Claims

1. The utility model provides a teflon hose that multistage is connected, includes metal covering (1), its characterized in that: the inner wall of the metal sleeve (1) is connected with an upper section (2), one side of the upper section (2) is connected with a middle section (4), gaskets (3) are arranged on two sides of the middle section (4), one side of the middle section (4) is connected with a tail section (5), an inner tube (6) is arranged at the center of the interior of the metal sleeve (1), an occlusion part (7) is arranged on the outer wall of the inner tube (6), a head part (8) is connected to the top of the occlusion part (7), a root part (9) is connected to the bottom of the occlusion part (7), a groove (10) is arranged between the two groups of occlusion parts (7), an outer tube (11) is arranged outside the groove (10), a sleeve (13) is arranged on the inner wall of the inner tube (6), a vacuum hole (12) is connected to the inner wall of the sleeve (13), and a nut (14) is connected to one end of the sleeve (13), and a threaded bolt (15) is arranged at the axis of the nut (14).

2. The multi-segment connected teflon hose of claim 1, wherein: the inner wall and the upper segment (2) joint of metal covering (1), the length of upper segment (2) and tail section (5) equals, one side and middle section (4) threaded connection of upper segment (2), metal covering (1) shape of middle section (4) is oval-shaped.

3. The multi-segment connected teflon hose of claim 1, wherein: the both sides and packing ring (3) joint of middle section (4), the quantity of packing ring (3) is four groups, one side and the tail section (5) threaded connection of middle section (4).

4. The multi-segment connected teflon hose of claim 1, wherein: the metal sleeve is characterized in that the center inside the metal sleeve (1) is connected with the inner pipe (6) in a clamped mode, the outer wall of the inner pipe (6) is fixedly connected with the occlusion part (7), and the occlusion part (7) is identical to the groove (10) in shape.

5. The multi-segment connected teflon hose of claim 1, wherein: the top and the head (8) fixed connection of interlock portion (7), head (8) are the arcwall face of evagination, the bottom and root (9) fixed connection of interlock portion (7), the width of the cross-section of root (9) is middle narrow both ends width.

6. The multi-segment connected teflon hose of claim 1, wherein: two sets of be fixed with recess (10) between interlock portion (7), it is adjacent be formed with interlock portion (7) between recess (10), the outside and outer tube (11) joint of recess (10), the diameter of outer tube (11) is greater than the diameter of inner tube (6), the inner wall and the sleeve (13) of inner tube (6) are pegged graft, the inner wall and the vacuum hole (12) joint of sleeve (13).

7. The multi-segment connected teflon hose of claim 1, wherein: one end and nut (14) threaded connection of sleeve (13), nut (14) shape is the hexagon, the axle center department and the screw bolt (15) threaded connection of nut (14), the perforation has been seted up to the inside of screw bolt (15) and has been the horn mouth.