CN212080452U - Leakage-free joint core structure of Teflon high-pressure hose - Google Patents

Abstract

The utility model discloses a teflon high pressure hose does not have leakage joint core structure relates to high-pressure tube and relevant accessory technical field. The utility model discloses a connect core main part, first O type circle, second O type circle, seal ring and first pipeline to detain, the surface cover that connects the core main part is equipped with first O type circle, and the surface cover of the joint core main part of first O type circle one side is equipped with second O type circle, and first O type circle is kept away from and is equipped with seal ring in the joint core main part of second O type circle one side, and the outside of high-pressure hose main part is established first pipeline through the cover and is detained and connect the fixed sealing connection of core main part with the second pipeline. The utility model discloses a set up first O type circle, second O type circle, connect core main part, seal ring, first pipeline and detain, the second pipeline is detained, has solved and has used for a long time between joint core and the special fluorine dragon hose after can lose sealed required stress, cause to leak and connection structure insecure, terminal surface department lack the problem of sealed processing.

Description

Leakage-free joint core structure of Teflon high-pressure hose

Technical Field

The utility model belongs to the technical field of high-pressure tube and relevant accessory, especially relate to special fluorine dragon high-pressure hose does not have leakage joint core structure.

Background

The Teflon hose is made of Polytetrafluoroethylene (PTFE), also called Teflon hose; the hose can deliver 99% of the corrosive chemicals: strong acid, strong alkali, various organic solutions, strong oxidation resistance, high pressure resistance, high temperature resistance and low cold environment resistance. It is suitable for conveying corrosive chemicals, and sucking and transferring medicines, foods, solvents and various acids. The phenomena of swelling, dissolution, cracking and deformation are avoided. The material has good chemical compatibility and plasticity, but has the defect of no elasticity. The application of the pipeline is that the joint is required to be matched and connected, as shown in the attached figure 8 of the specification, the joint is a Teflon hose joint in the prior art, when a joint core is inserted into a Teflon hose, plastic deformation is generated under the action of the buckling pressure of a metal jacket, but in the initial working period, because the metal buckling jacket has metal elasticity, the metal buckling jacket acts on the joint surface between the core and the Teflon hose, and generally no leakage exists. After working for a period of time, under the action of alternating load, further plastic deformation can be generated, if the metal elastic strain cannot compensate the plastic deformation, the stress required by sealing between the core and the Teflon hose can be lost, leakage can be caused, and the problem is that the Teflon hose joint generally has failure; moreover, the single metal buckle cannot ensure stable buckling, the contact section of the hose and the joint is not sealed, and leakage is also generated; therefore, the existing teflon hose joint has large limitation when being applied, and cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teflon high pressure hose does not have leakage joint core structure, through setting up first O type circle, second O type circle, joint core main part, seal ring, first pipeline knot, second pipeline are detained, have solved and can lose sealed required stress, cause the connection structure insecure between leakage and the teflon hose, terminal surface department lack the problem of sealed processing after using for a long time between joint core and the teflon hose.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a Teflon high-pressure hose non-leakage joint core structure, which comprises a joint core main body, a first O-shaped ring, a second O-shaped ring, a sealing washer and a first pipeline buckle, wherein the surface of the joint core main body is sleeved with the first O-shaped ring, the surface of the joint core main body at one side of the first O-shaped ring is sleeved with the second O-shaped ring, the first O-shaped ring and the second O-shaped ring are used for sealing and anti-leakage of the joint core main body to increase the sealing performance of the joint core main body, the joint core main body at one side of the first O-shaped ring away from the second O-shaped ring is sleeved with the sealing washer which is used for increasing the sealing performance of the pipeline interface end face, the outer side of the joint core main body is sleeved with the high-pressure hose main body, the outer side of the high-pressure hose main body is fixedly and hermetically, a double secure connection is achieved.

Furthermore, a first sealing groove and a second sealing groove are formed in the surface of the joint core main body, the first O-shaped ring is sleeved in the first sealing groove in the surface of the joint core main body, the second O-shaped ring is sleeved in the second sealing groove in the surface of the joint core main body and is used for being embedded into the groove, and the first O-shaped ring and the second O-shaped ring are adopted to achieve double sealing anti-leakage effects.

Further, first pipeline is buckled and is included arc mounting, nut and bolt, the arc mounting is equipped with two of longitudinal symmetry, and the medial surface laminating high-pressure hose main part surface of two arc mountings, and is fixed through bolt and nut locking between two arc mountings, and first pipeline is buckled for common metal pipeline on the market and is buckled for the coupling part to pipeline and joint fastens the operation.

Furthermore, the first pipeline is buckled and sleeved on the high-pressure hose main body outside the sealing washer and the first O-shaped ring, the second pipeline is buckled and sleeved on the high-pressure hose main body between the first O-shaped ring and the second O-shaped ring, and the spaced fixing design is adopted, so that the sealing effect is better.

Further, the structure that first pipeline was detained and the second pipeline is detained is constituteed unanimously, the longitudinal width that the second pipeline was detained is greater than the longitudinal width that first pipeline was detained, the inside that the second O type circle one end was kept away from to the joint core main part is equipped with the internal thread, realizes dual fastening structure, guarantees that the junction can not cause the seepage again.

The utility model discloses following beneficial effect has:

1. the utility model solves the problem that the sealing stress is lost and the leakage is caused after the connector core and the Teflon hose are used for a long time by arranging the first O-shaped ring, the second O-shaped ring and the connector core main body, compared with the connector core structure on the traditional market, the utility model additionally adds the double O-shaped rings, so that the sealing performance between the connector core and the inner wall of the high-pressure hose is better, the problem of leakage caused by insufficient stress is avoided, when the high-pressure hose is connected with the connector core, the first O-shaped ring and the second O-shaped ring are respectively sleeved on the first sealing groove and the second sealing groove on the surface of the connector core main body, one section of the connector core main body is inserted into the high-pressure pipeline main body, the double sealing arrangement of the first O-shaped ring and the second O-shaped ring is adopted, the sealing stress is avoided to be lost after the long-term use, ensuring no entanglement and leakage.

2. The utility model solves the problems that the connection structure between the joint core and the Teflon hose is not firm and the end surface is lack of sealing treatment by arranging the sealing washer, the first pipeline buckle and the second pipeline buckle, realizes double fastening effect, adopts interval type fastening design, leads the sealing performance to be higher, strengthens the sealing effect of the end surface, further increases the anti-leakage effect, is abutted against the joint core main body at the end surface of the high-pressure hose main body, is sleeved with the sealing washer on the surface of the joint core main body at the abutted position, strengthens the sealing performance of the end surface joint, is sleeved with the first pipeline buckle at the outer side for stable buckling, locks the high-pressure hose main body at the outer sides of the sealing washer and the first O-shaped ring, and then fixes the high-pressure hose main body between the first O-shaped ring and the second O-shaped ring through the second pipeline buckle again, the stable sealing of the structure is ensured.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at the position A of the present invention;

FIG. 3 is an enlarged view of the structure at B of the present invention;

fig. 4 is a front view of the present invention;

FIG. 5 is a view of the seal of the present invention;

FIG. 6 is a schematic diagram of the present invention;

fig. 7 is a side view structural diagram of the first pipe buckle of the present invention;

FIG. 8 is a prior art construction of a joint core;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a joint core main body; 2. an internal thread; 3. a first O-ring; 4. a second O-ring; 5. A sealing gasket; 6. a first seal groove; 7. a second seal groove; 8. a first pipe buckle; 9. A second pipe buckle; 10. a high pressure hose body; 11. an arc-shaped fixing piece; 12. a nut; 13. And (4) bolts.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a leakage-free joint core structure for teflon high-pressure hose, which comprises a joint core main body 1, a first O-ring 3, a second O-ring 4, a sealing washer 5 and a first pipe buckle 8, wherein the first O-ring 3 is sleeved on the surface of the joint core main body 1, the second O-ring 4 is sleeved on the surface of the joint core main body 1 on one side of the first O-ring 3, the first O-ring 3 and the second O-ring 4 are arranged at intervals to realize structural sealing, so as to ensure the sealing between the joint core main body 1 and the high-pressure hose main body 10 and prevent insufficient stress leakage, the sealing washer 5 is sleeved on the joint core main body 1 on one side of the first O-ring 3 away from the second O-ring 4, the sealing washer 5 is used for sealing the end of the joint between the joint core main body 1 and the high-pressure hose main body 10, so, the outside cover of joint core main part 1 is equipped with high-pressure hose main part 10, and high-pressure hose main part 10 is teflon high-pressure hose promptly, and the outside of high-pressure hose main part 10 is established first pipeline through the cover and is detained 8 and second pipeline and detain 9 and connect 1 fixed sealing connection of core main part, adopts first pipeline to detain 8 and second pipeline and detain 9 and carry out the fastening of structure to adopt the interval setting, cooperate first O type circle 3 and second O type circle 4 to realize sealed maximize design.

As shown in fig. 1-3, a first sealing groove 6 and a second sealing groove 7 are formed on the surface of the joint core main body 1, the first O-ring 3 is sleeved in the first sealing groove 6 on the surface of the joint core main body 1, and the second O-ring 4 is sleeved in the second sealing groove 7 on the surface of the joint core main body 1; the design of the first sealing groove 6 and the second sealing groove 7 is provided for limiting the positions of the first O-shaped ring 3 and the second O-shaped ring 4, so that the first O-shaped ring 3 and the second O-shaped ring 4 are stably sleeved on the joint core main body 1 to realize the sealing of the structure, a certain distance is reserved between the first O-shaped ring 3 and the second O-shaped ring 4, the double sealing effect is realized, and the leakage caused by insufficient stress at the joint of the joint core main body 1 and the high-pressure hose main body 10 is avoided.

As shown in fig. 6 to 7, the first pipe buckle 8 includes two arc fixing pieces 11, a nut 12 and a bolt 13, the two arc fixing pieces 11 are vertically symmetrical, inner side surfaces of the two arc fixing pieces 11 are attached to the surface of the high-pressure hose main body 10, and the two arc fixing pieces 11 are locked and fixed by the bolt 12 and the nut 13; the first pipe buckle 8 is a common pipe fixing component on the market, the two arc-shaped fixing pieces 11 are respectively abutted to the outer side of the joint of the high-pressure hose main body 10 and the joint core main body 1, the two arc-shaped fixing pieces 11 are locked and close by screwing in the nuts 12 and the bolts 13, and the joint of the high-pressure hose main body 10 and the joint core main body 1 can be locked and fixed.

As shown in fig. 1 to 7, a first pipe buckle 8 is fixedly sleeved on the high-pressure hose main body 10 outside the sealing washer 5 and the first O-ring 3, and a second pipe buckle 9 is fixedly sleeved on the high-pressure hose main body 10 between the first O-ring 3 and the second O-ring 4; by adopting the spaced design, the high-pressure hose main body 10 outside the sealing washer 5 and the first O-shaped ring 3 is stabilized at the joint of the joint core main body 1 by utilizing the first pipeline buckle 8 to realize the fixation of the structure, and the high-pressure hose main body 10 in the section area is contracted by adopting the second pipeline buckle 9 arranged on the high-pressure hose main body 10 between the first O-shaped ring 3 and the second O-shaped ring 4 to generate plastic deformation to tighten the high-pressure hose main body and tightly abut against the outer sides of the first O-shaped ring 3 and the second O-shaped ring 4, so that the sealing effect of the first O-shaped ring 3 and the second O-shaped ring 4 is better;

the structure composition of the first pipeline buckle 8 and the second pipeline buckle 9 is consistent, the longitudinal width of the second pipeline buckle 9 is larger than that of the first pipeline buckle 8, and an internal thread 2 is arranged inside one end, far away from the second O-shaped ring 4, of the joint core main body 1; the second pipe buckle 9 with a slightly larger width is used for adapting to the area between the first O-shaped ring 3 and the second O-shaped ring 4, and is convenient to realize large-area fixed use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. Teflon high pressure hose does not have leakage joint core structure, detain (8), its characterized in that including joint core main part (1), first O type circle (3), second O type circle (4), seal ring (5) and first pipeline: the surface cover that connects core main part (1) is equipped with first O type circle (3), the surface cover of the joint core main part (1) of first O type circle (3) one side is equipped with second O type circle (4), the cover is equipped with seal ring (5) on the joint core main part (1) of second O type circle (4) one side is kept away from in first O type circle (3), the outside cover that connects core main part (1) is equipped with high-pressure hose main part (10), the outside of high-pressure hose main part (10) is established first pipeline through the cover and is buckled (8) and second pipeline and detain (9) and connect core main part (1) fixed sealing connection.

2. The Teflon high-pressure hose leak-free joint core structure according to claim 1, wherein a first sealing groove (6) and a second sealing groove (7) are formed in the surface of the joint core main body (1), the first O-ring (3) is sleeved in the first sealing groove (6) in the surface of the joint core main body (1), and the second O-ring (4) is sleeved in the second sealing groove (7) in the surface of the joint core main body (1).

3. The teflon high-pressure hose leak-free joint core structure according to claim 1, wherein the first pipe buckle (8) comprises two arc-shaped fixing pieces (11), a nut (12) and a bolt (13), the two arc-shaped fixing pieces (11) are vertically symmetrical, inner side surfaces of the two arc-shaped fixing pieces (11) are attached to the surface of the high-pressure hose main body (10), and the two arc-shaped fixing pieces (11) are locked and fixed through the bolt (13) and the nut (12).

4. The teflon high-pressure hose leak-free joint core structure according to claim 1, wherein the first pipe fastener (8) is sleeved and fixed on the high-pressure hose body (10) outside the sealing washer (5) and the first O-ring (3), and the second pipe fastener (9) is sleeved and fixed on the high-pressure hose body (10) between the first O-ring (3) and the second O-ring (4).

5. The teflon high-pressure hose leak-free joint core structure according to claim 1, wherein the first pipe fastener (8) and the second pipe fastener (9) are identical in structure, the longitudinal width of the second pipe fastener (9) is larger than that of the first pipe fastener (8), and the joint core main body (1) is internally provided with an internal thread (2) at one end away from the second O-ring (4).

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