CN214171621U

CN214171621U - But quick assembly disassembly's hose connection structure

Info

Publication number: CN214171621U
Application number: CN202023196993.4U
Authority: CN
Inventors: 罗道关
Original assignee: Aage Zhejiang Intelligent Technology Co ltd
Current assignee: Aage Zhejiang Intelligent Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a hose connecting structure capable of being quickly disassembled and assembled, which comprises a connector body and a nut which is in threaded connection with the end part of the connector body, and also comprises a supporting tube and a hoop, wherein the outer diameter of the supporting tube is matched with the inner diameter of a hose to be connected, and the inner end of the supporting tube is provided with a first annular flange; the clamp comprises a clamp body and a plurality of elastic clamping jaws arranged on the outer end face of the clamp body, the elastic clamping jaws are in a slope shape to form an arc-shaped inclined plane part, and a stop block is arranged on the inner wall of the clamp body; the inner wall of the outer end of the nut is matched with the arc-shaped inclined plane part of the elastic clamping jaw, and a first sealing ring is arranged between the outer end face of the elastic clamping jaw and the nut. The utility model ensures that the connecting end of the hose can not deform under stress by using the rigidity of the supporting tube, thereby improving the sealing property; and, utilize the inclined plane cooperation between nut and the clamp, at the in-process of screwing the nut, make the elasticity jack catch card on the clamp go into the hose outer wall, prevent that the hose from being pulled out, connect reliably.

Description

But quick assembly disassembly's hose connection structure

Technical Field

The utility model discloses plumbing technical field, concretely relates to but quick assembly disassembly's hose connection structure.

Background

In the connection of water supply and drainage pipelines, more and more plastic pipelines and valves are used, wherein the valves are mainly made of hard plastic materials, the water pipes are made of hard materials and soft materials, and the connection methods of the water pipes made of hard materials are more and more, and at present, the first method is glue joint, namely the pipelines and the valves are connected by gluing; the second one is hot melting, that is, the pipeline and the connecting piece (or the valve) are all made of hot melting materials and are connected by hot melting; the third is a threaded connection, i.e., a pipe and (or valve) connection is made by threading. The three connection modes mainly aim at the situation that the connecting pipe is made of hard plastic materials, when a hose is required to be connected, at present, a commonly adopted method is that a metal pipe is inserted into the hose, a metal hoop is installed on the outer portion of the hose, and the hose is locked on the embedded hard pipe by screwing a screw on the hoop.

In view of this, it is urgently needed to improve the existing hose connection structure so as to conveniently realize the quick assembly and disassembly of the hose, and the hose connection structure is convenient to construct and good in sealing effect.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to solve the technical problem that a but quick assembly disassembly's hose connection structure is provided to solve current hose connection structure, the construction is inconvenient, and is inefficient, the poor problem of sealed effect.

Therefore, the utility model provides a but quick assembly disassembly's hose connection structure, including joint body and threaded connection the nut of the tip of joint body still includes:

a support tube having an outer diameter adapted to the inner diameter of the hose to be connected and an inner end having a first annular flange;

the clamp comprises a clamp body and a plurality of elastic clamping jaws arranged on the outer end face of the clamp body, wherein the elastic clamping jaws are uniformly distributed along the circumferential direction, are in a slope shape and form an arc-shaped inclined plane part, and a stop block is arranged on the inner wall of the clamp body;

the inner wall of the outer end of the nut is matched with the arc-shaped inclined plane part of the elastic clamping jaw, and a first sealing ring is arranged between the outer end face of the elastic clamping jaw and the nut.

In the above technical solution, preferably, a second seal ring and/or a third seal ring is further provided between the nut and the joint body.

In the above technical scheme, preferably, the outer end of the joint body has a threaded connection portion, the inner end of the threaded connection portion is provided with a second annular flange, the outer end of the threaded connection portion is provided with an inwards concave step shaft for installation of the second seal ring, and the root of the threaded connection portion is a smooth axial surface for installation of the third seal ring.

In the above technical solution, preferably, the inner end of the nut has an internal thread portion matching with the thread connecting portion, and the outer end is a taper pipe portion; the outer end of internal thread portion is equipped with the step hole for it is sealed the third sealing washer, the taper pipe portion with the arc inclined plane looks adaptation of elasticity jack catch, the outer end inner wall of taper pipe portion is equipped with annular boss, forms locking portion.

In the above technical solution, preferably, a plurality of grooves are axially formed on an outer end side wall of the clamp body to form the plurality of elastic claws.

In the above technical solution, preferably, the inner wall of the end portion of the elastic claw is provided with a protrusion facing the axis of the clamp body, and the protrusion forms a hook.

According to the above technical scheme, the utility model provides a but quick assembly disassembly's hose connection structure has solved that prior art site operation is inconvenient, and the efficiency of construction is low, the poor problem of leakproofness. Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, a supporting pipe is arranged for being inserted into the connecting end of the hose, and the rigidity of the supporting pipe is utilized to ensure that the connecting end of the hose cannot be deformed under stress, so that the sealing property is improved; and, utilize the inclined plane cooperation between nut and the clamp, at the in-process of screwing the nut, make the elasticity jack catch card on the clamp go into the hose outer wall, prevent that the hose from being pulled out, connect reliably.

Secondly, be in the utility model discloses an in the preferred scheme, the nut still is equipped with second sealing washer and/or third sealing washer with connecting between the body, has formed twice or three sealedly together with first sealing washer, has improved sealed effect greatly.

Finally, the connection hose can be completed by manually screwing the screw cap on site, glue application and power consumption are not needed, and the operation is convenient and rapid.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly described and explained below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a cross-sectional view of a hose connection structure that can be quickly disassembled and assembled according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a perspective view of the middle clamp of the present invention;

FIG. 4 is a right side perspective view of the clip shown in FIG. 3;

FIG. 5 is a cross-sectional view of the clip shown in FIG. 3;

fig. 6 is a cross-sectional view of the middle joint body of the present invention;

figure 7 is a cross-sectional view of the nut of the present invention.

In fig. 1 to 7, the correspondence between the components is as follows:

a connector body 10, a nut 20, a clamp 30, a hose 40, a support tube 50;

a threaded connection 11, a second annular flange 12, a stepped shaft 13;

an internal thread portion 21, a stepped hole 22, a tapered tube portion 23, and a locking portion 24;

the clamp comprises a clamp body 31, an elastic claw 32, an arc inclined surface part 33, a hook 34 and a stop block 35;

a first seal 61, a second seal 62, and a third seal 63.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, under the premise that the person skilled in the art does not make creative work, all other embodiments obtained belong to the protection scope of the present invention.

The utility model discloses an implementation principle is: the stay tube has been inserted to the link of hose, utilizes the inclined plane cooperation between nut and the clamp for at the in-process of the nut of screwing, the elasticity jack catch card on the clamp is gone into the hose outer wall, prevents that the hose from being pulled out, and the link that utilizes the rigidity assurance hose of stay tube can not the atress be out of shape, has improved the leakproofness.

The utility model provides a scheme can realize the quick dress of rolling over of hose to site operation is convenient, and is sealed effectual.

In order to explain and explain the technical solution and implementation of the present invention more clearly, several preferred embodiments for implementing the technical solution of the present invention are introduced below.

It should be noted that the terms of orientation such as "inside, outside", "front, back" and "left and right" are used herein as reference objects, and it is obvious that the use of the corresponding terms of orientation does not limit the scope of protection of the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a sectional view of a hose connection structure capable of being quickly disassembled and assembled according to the present invention, and fig. 2 is an enlarged view of a portion a in fig. 1.

As shown in fig. 1 and fig. 2, the present invention provides a hose connection structure capable of being quickly disassembled and assembled, which includes a joint body 10 and a nut 20 disposed at the outer end of the joint body 10. The joint body 10 is provided with a clamp 30, and the hose 40 to be connected is inserted into the support pipe 50 and then inserted into the clamp 30, and the hose 40 is quickly disassembled and assembled by screwing or unscrewing the nut 20. Wherein the inner end of the support tube 50 is provided with a first annular flange for facilitating a secure connection of the hose 40 to the support tube 50. A first seal 61 is provided between the nut 20 and the collar 30, and a second seal 62 and/or a third seal 63 is provided between the nut 20 and the connector body 10.

The principle of the quick release hose and the reliable sealing of the quick release hose according to the present invention will be described in detail below with reference to the specific structure of the joint body 10, the nut 20, and the band 30.

Referring to fig. 3, 4 and 5, fig. 3 is a perspective view of a band of the present invention, fig. 4 is a right perspective view of the band shown in fig. 3, and fig. 5 is a sectional view of the band shown in fig. 3.

As shown in fig. 3, fig. 4 and fig. 5, the clamp 30 includes a clamp body 31, a plurality of grooves are axially formed on the outer end side wall of the clamp body 31, a plurality of elastic claws 32 are formed, the plurality of elastic claws 32 are uniformly distributed along the circumferential direction of the clamp body 31, the elastic claws 32 are in a slope shape to form arc-shaped inclined plane portions 33, specifically, the outer ends incline toward the central axis of the clamp body 31, that is, the outer circumferential surface is thick along the thin inner end of the axial outer end, a protrusion facing the central axis of the clamp body 31 is formed on the inner wall of the outer end portion of the elastic claws 32, and the protrusion forms a hook 34. A stop block 35 is arranged on the inner wall of the middle part of the hoop body 31.

Referring to fig. 6, fig. 6 is a cross-sectional view of the middle joint body according to the present invention. As shown in fig. 6, the outer end of the joint body 10 has a threaded connection portion 11, the outer end of the threaded connection portion 11 is provided with a recessed stepped shaft 13 for mounting a second seal ring 62, the inner end of the threaded connection portion 11 is provided with a second annular flange 12, and the root of the connection portion of the threaded connection portion 11 and the second annular flange 12 is a smooth shaft surface for mounting a third seal ring 63.

Referring to fig. 7, fig. 7 is a cross-sectional view of the nut 20 of the present invention. As shown in fig. 7, the inner end of the nut has an internal thread portion 21 matching the threaded connection portion 11 of the joint body 10, the outer end of the internal thread portion 21 is provided with a stepped hole 22 for sealing the third seal ring 63, the outer end of the nut is a tapered pipe portion 23 (frustum-shaped pipe body) fitted with the arc-shaped inclined surface portion 33 of the elastic claw 32, and the inner wall of the outer end of the tapered pipe portion 23 is provided with an annular boss to form the locking portion 24.

The utility model discloses can set up three sealing washers optimally to improve sealed effect. Specifically, a first sealing ring 61 is arranged between the outer end face of the elastic claw 32 and the inner end face of the locking part 22 to form a first seal; a second sealing ring 62 is arranged on the step shaft 13 of the joint body 10 and forms a second seal with the smooth shaft hole part at the root part of the internal thread of the nut 20; a third seal ring 63 is provided between the second annular flange 12 of the coupling body 10 and the stepped surface of the stepped bore 22 of the nut to form a third seal with the stepped bore 22 at the inner end of the nut 20.

Use the utility model provides a but quick assembly disassembly's hose nipple, the method of coupling hose is as follows:

first, the first seal 61 is placed in the nut 20, abuts against the retaining portion 24, and then is inserted into the clip 30.

Next, the support tube 50 is inserted into the inner bore of the hose 40 to be connected, the end of the hose 40 abutting against the first annular flange of the support tube 50.

Third, the hose 40 with the support tube 50 assembled is inserted into the clip 30 from the outer end of the nut 20 and the first annular flange of the support tube 50 abuts against the stop 35 in the clip 30.

Fourth, the second seal ring 62 is attached to the root of the threaded portion 11 of the joint body 10, and the third seal ring 63 is attached to the stepped shaft 13 of the joint body 10.

Finally, the nut 20 is screwed, and as the nut 20 is screwed continuously, the inner wall of the tapered pipe part 23 of the nut 20 presses the arc-shaped inclined plane part 33 of the elastic claw 32, so that the inner hole of the elastic claw 32 is tightened towards the center in the stress process, the hook 34 on the inner wall of the elastic claw 32 is pressed into the hose 40, and the hose is ensured not to be pulled out by external force.

When the hose needs to be detached, the screw cap 20 is unscrewed outwards, so that the stress of the elastic claws 32 is relieved, the elastic claws 32 rebound, the inner diameter opening is enlarged, the hose 40 is loosened and pulled out, and the hose is rapidly detached.

The hose connecting structure capable of being rapidly disassembled and assembled provided by the utility model can be applied to pipeline connecting joints, such as two-way joints, three-way joints and four-way joints; the method can also be applied to joints of valves, such as two-way valves, three-way valves, four-way valves and the like.

Synthesize the description of above specific embodiment, the utility model provides a but quick assembly disassembly's hose nipple and be used for hose quick assembly disassembly's connection structure compares with prior art, has following advantage:

firstly, three sealing rings are adopted for combined sealing, so that the sealing reliability is ensured.

And secondly, after the screw cap is screwed, the hook on the inner wall of the elastic claw is pressed into the hose, so that the hose is prevented from being pulled out by external force, and the connection strength of the hose is improved.

Thirdly, the supporting tube is arranged in the hose, so that the hose has enough strength and does not deform, the sealing effect is improved, and the hose still has high sealing performance after being disassembled and re-assembled.

Fourthly, the connection hose can be manually operated on site, glue application is not needed, electricity is not needed, and the operation is convenient and rapid.

Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims

1. The utility model provides a but quick assembly disassembly's hose connection structure, includes joint body and threaded connection the nut of the tip of joint body, its characterized in that still includes:

2. The quick release hose connection structure according to claim 1, wherein a second sealing ring and/or a third sealing ring is further provided between the nut and the joint body.

3. The quick detachable hose connecting structure according to claim 2, wherein the outer end of the joint body has a threaded connection portion, the inner end of the threaded connection portion has a second annular flange, the outer end of the threaded connection portion has a recessed stepped shaft for mounting the second seal ring, and the root of the threaded connection portion is a smooth axial surface for mounting the third seal ring.

4. The quick detachable hose connecting structure according to claim 3, wherein the nut has an inner end having an internal threaded portion matching the threaded connecting portion, and an outer end having a tapered tube portion; the outer end of internal thread portion is equipped with the step hole for it is sealed the third sealing washer, the taper pipe portion with the arc inclined plane looks adaptation of elasticity jack catch, the outer end inner wall of taper pipe portion is equipped with annular boss, forms locking portion.

5. The quick release hose connecting structure according to claim 1, wherein a plurality of grooves are formed in the outer end side wall of the band body in the axial direction to form the plurality of elastic claws.

6. The quick detachable hose connecting structure according to claim 1, wherein a protrusion facing the axis of the band body is provided on an inner wall of an end portion of the elastic claw, and the protrusion forms a hook.