CN220523503U - Quick-dismantling pipe fitting - Google Patents

Abstract

The utility model relates to a quick-dismantling pipe fitting, which comprises a main body, an annular sealing piece, two pressing pieces and two pipes, wherein the main body is provided with a plurality of sealing grooves; the inside of the main body is of a hollow structure, two ends of the main body are open, and two pipes are respectively installed in the hollow structure through the openings at the two ends of the main body; the pipe is located one end of the hollow structure and is provided with a sealing groove, the sealing piece is installed in the sealing groove, the outer side wall of the sealing piece is in contact with the inner wall of the main body, and the two pressing pieces are installed at two ends of the main body respectively to press the main body, the sealing piece and the pipe. The sealing element is arranged in the sealing groove, and the pressing element is arranged at the position, corresponding to the sealing element, outside the main body, so that the main body, the sealing element and the pipe are in close contact, and water leakage can not occur under the condition that the pipe is filled with water.

Description

Quick-dismantling pipe fitting

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a quick-dismantling pipe fitting.

Background

In building decoration, because the water supply pipe is generally cut to a fixed length, when indoor pipe network arrangement and installation are carried out, the pipe is generally connected in a pipe joint mode, the existing pipe joint is generally connected in a hot melting mode, special tools are required to be used for operation in actual operation, the operation requirements on heating time, welding depth, processing cooling time and the like are high, special staff are required to be required to operate, and maintenance is inconvenient.

The Chinese patent literature discloses a hot-melt-free quick connector, which comprises a main body and a cap, wherein the main body and the cap are in a clamping structure, an inner cavity of the main body is hollow, two ends of the main body are open, limiting parts are arranged on outer side walls of two ends of the main body, a plurality of uniformly distributed snap fasteners are connected to inner side walls of the cap, the cap is clamped on the limiting parts of two ends of the main body through the snap fasteners, a stainless steel clamp spring and a rubber sealing piece are sequentially connected to the joint of the cap and the main body, and one side, far away from the cap, of the rubber sealing piece is inserted into the main body; this technical scheme adopts the joint formula structure of main part and cap, realizes the fixed function of connection, has avoided the multiple restriction of hot melt joint installation, has improved the efficiency of joint installation, and the grafting is quick.

However, the rubber sealing piece of the technical scheme is arranged in the main body, then the pipe is inserted by utilizing the pipe, the pipe is clamped by the clamp spring, and the rubber sealing piece with the structure is not tightly pressed, so that a certain gap exists among the pipe, the rubber sealing piece and the main body, and the problem of water leakage exists when the pipe is stressed.

Disclosure of Invention

The utility model provides a quick-dismantling pipe fitting, which aims to solve the technical problem that the rubber sealing element of the pipe joint in the prior art is arranged in a main body, then the pipe is disassembled and inserted by utilizing a pipe, and a clamp spring clamps a pipe.

In order to solve the technical problems, the utility model adopts the following technical scheme: a quick-dismantling pipe fitting comprises a main body, an annular sealing piece, two pressing pieces and two pipes; the inside of the main body is of a hollow structure, two ends of the main body are open, and two pipes are respectively installed in the hollow structure through the openings at the two ends of the main body; the pipe is located one end of the hollow structure and is provided with a sealing groove, the sealing piece is installed in the sealing groove, the outer side wall of the sealing piece is in contact with the inner wall of the main body, and the two pressing pieces are installed at two ends of the main body respectively to press the main body, the sealing piece and the pipe.

In the technical scheme, when the sealing device is used, firstly, the sealing element is installed in the sealing groove, then two pipes to be connected are respectively installed in the hollow structure of the main body through openings at two ends of the main body, and then the main body, the sealing element and the pipes are tightly pressed by the pressing structure so as to enable the three to be tightly contacted, so that gaps are prevented; because the sealing element is arranged in the sealing groove, the pressing element is arranged at the position, corresponding to the sealing element, outside the main body, so that the main body, the sealing element and the pipe are in close contact, and the water leakage condition can not occur under the condition that the pipe is filled with water.

Preferably, the outer side wall of the seal is provided with a first anti-slip structure. Thus, the first anti-slip structure is added, so that the friction force between the sealing element and the inner wall of the main body can be increased, and the sealing element is prevented from falling off.

Preferably, the first anti-slip structure is a tooth structure inclined to the pipe installation direction. The tooth-shaped structure is provided with the inclined surface, the inclined direction of the inclined surface is consistent with the moving direction of the pipe during installation, on one hand, the sealing element is convenient to install, on the other hand, when the pipe is filled with water, the area of the inclined surface is large and is in an inclined state, so that the axial pressure born by the sealing element can be reduced, the sealing element is prevented from falling off, and the sealing effect is enhanced.

Preferably, the number of the sealing grooves is not less than two, and the number of the sealing members is the same as the number of the sealing grooves. According to the technical scheme, the number of the sealing elements and the number of the sealing grooves are increased, so that the sealing effect can be further enhanced.

Preferably, the pressing piece is of a cylindrical structure, and is sleeved outside the main body and in threaded connection with the main body. Further, the outside at both ends of main part all is provided with the external screw thread of tapering, compresses tightly the inside setting of piece and has the internal screw thread of tapering with this external screw thread matched with to make to compress tightly the piece and can be with main part threaded connection. It should be noted that the tapered thread has better sealing property, so as to enhance the sealing property of the pipe.

Preferably, the outer periphery of the pressing piece is provided with a second anti-slip structure. Thus, the second anti-slip structure can prevent slipping during tightening of the compression member to allow for quick installation of the compression member.

Preferably, the outer side wall of the pressing member is recessed inward along the circumferential direction thereof to form a plurality of grooves to form the second anti-slip structure. In the technical scheme, the inwards concave groove can reduce the volume of the compressing piece; further, the groove of the technical scheme is cylindrical.

Preferably, notches communicated with the hollow structure are respectively arranged on the end surfaces of the two ends of the main body. The end face of the technical scheme is uniformly provided with a plurality of notches along the circumferential direction, and when the pipe and the sealing element are installed, the main body can be properly deformed, so that the sealing element can be conveniently inserted into the main body.

Preferably, the outer side wall of the middle part of the main body protrudes outwards to form a protrusion with a polygonal cross section. In this way, the body is prevented from following rotation when the pressing member is rotated.

Preferably, the sealing member is a sealing ring. Specifically, the sealing ring is a rubber product.

Compared with the prior art, the utility model has the beneficial effects that: in the utility model, when in use, the sealing element is firstly arranged in the sealing groove, then two pipes to be connected are respectively arranged in the hollow structure of the main body through the openings at the two ends of the main body, and then the main body, the sealing element and the pipes are tightly contacted by the compression structure, so that gaps are prevented; because the sealing element is arranged in the sealing groove, the pressing element is arranged at the position, corresponding to the sealing element, outside the main body, so that the main body, the sealing element and the pipe are in close contact, and the water leakage condition can not occur under the condition that the pipe is filled with water.

Drawings

FIG. 1 is an exploded view of the quick release pipe fitting of the present utility model;

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

fig. 3 is a block diagram of a seal in a quick release pipe of the present utility model.

In the accompanying drawings: 1. a main body; 11. a notch; 12. a protrusion; 2. a seal; 21. a first anti-slip structure; 3. a pressing member; 31. a second anti-slip structure; 32. a groove; 4. a pipe; 41. and (5) sealing the groove.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

As shown in fig. 1, a quick-dismantling pipe fitting comprises a main body 1, an annular sealing element 2, two pressing elements 3 and two pipes 4; the inside of the main body 1 is of a hollow structure, two ends of the main body are open, and two pipes 4 respectively pass through the openings at two ends of the main body 1 and are arranged in the hollow structure; the pipe 4 is provided with the seal groove on the one end that is located hollow structure, and sealing member 2 installs in the seal groove and the lateral wall of sealing member 2 and the inner wall contact of main part 1, and two compress tightly piece 3 are installed respectively at the both ends of main part 1 in order to compress tightly main part 1, sealing member 2 and pipe 4.

In the embodiment, when in use, the sealing element 2 is firstly installed in the sealing groove, then two pipes 4 to be connected are respectively installed in the hollow structure of the main body 1 through the openings at the two ends of the main body 1, and then the main body 1, the sealing element 2 and the pipes 4 are tightly contacted by utilizing the compression structure, so that gaps are prevented from being formed; because the sealing element 2 is arranged in the sealing groove, the pressing element 3 is arranged at the position corresponding to the sealing element 2 outside the main body 1, so that the main body 1, the sealing element 2 and the pipe 4 are in close contact, and water leakage can not occur under the condition that the pipe 4 is filled with water. The outer diameter of the seal member 2 of the present embodiment is larger than the inner diameter of the main body 3, so that the seal member 2 has a sealing effect.

In the present embodiment, as shown in fig. 3, the outer side wall of the seal member 2 is provided with a first anti-slip structure 21. In this way, the addition of the first anti-slip structure 21 can increase the friction between the seal member 2 and the inner wall of the main body 1 to prevent the seal member 2 from falling off.

In the present embodiment, as shown in fig. 3, the first anti-slip structure 21 is a tooth structure inclined toward the mounting direction of the pipe 4. Namely, the tooth-shaped structure is provided with the inclined surface, the inclined direction of the inclined surface is consistent with the moving direction of the pipe 4 during installation, on one hand, the sealing element 2 is convenient to install, and on the other hand, when the pipe 4 is filled with water, the area of the inclined surface is large and is in an inclined state, so that the axial pressure applied to the sealing element 2 can be reduced, the sealing element 2 is prevented from falling off, and meanwhile, the sealing effect is enhanced.

Example 2

This embodiment is similar to embodiment 1 described above, except that the present embodiment is modified as follows on the basis of embodiment 1 described above:

in this embodiment, as shown in fig. 1, the number of seal grooves is not less than two, and the number of seal members 2 is the same as the number of seal grooves. In this embodiment, the number of the sealing elements 2 and the sealing grooves is increased, so that the sealing effect can be further enhanced.

In this embodiment, as shown in fig. 1, the pressing member 3 has a cylindrical structure, and the pressing member 3 is sleeved outside the main body 1 and is in threaded connection with the main body 1. Further, the outer sides of the two ends of the main body 1 are provided with tapered external threads, and the inside of the pressing piece 3 is provided with internal threads which are matched with the external threads and have taper, so that the pressing piece 3 can be in threaded connection with the main body 1. It should be noted that the tapered thread has better sealing property, so that the sealing property of the pipe 4 is enhanced. Of course, in other embodiments, other types of threads may be selected, as long as the function of sealing the tubing 4 is achieved.

In the present embodiment, as shown in fig. 1, the pressing member 3 is provided at the outer periphery thereof with a second anti-slip structure 31. In this way, the second slip preventing structure 31 can prevent slipping during screwing of the pressing member 3 so as to rapidly mount the pressing member 3. The second anti-slip structure 31 of the present embodiment may be an embossed structure to increase friction; thus, the slipping phenomenon does not occur when the pressing piece 3 is rotated; of course, a plurality of cylindrical structures can be arranged along the periphery of the pressing piece 3 in a protruding mode, so that force is better generated during rotation, and the installation is more convenient.

Example 3

This embodiment is similar to embodiment 2 described above, except that the present embodiment is modified as follows on the basis of embodiment 2 described above:

as shown in fig. 1 and 2, the outer side wall of the pressing member 3 is recessed inward in its circumferential direction to form a plurality of grooves 32 to form a second anti-slip structure 31. In this embodiment, the concave groove 32 can reduce the volume of the pressing member 3; further, the groove 32 of the present embodiment is cylindrical.

In this embodiment, as shown in fig. 1, notches 11 communicating with the hollow structure are provided on the end surfaces of both ends of the main body 1, respectively. The end face of the embodiment is uniformly provided with a plurality of notches 11 along the circumferential direction, so that the main body 1 can be properly deformed when the pipe 4 and the sealing element 2 are installed, and the sealing element 2 can be conveniently inserted into the main body 1. Specifically, as shown in fig. 1, four notches 11 are provided in this embodiment, so that the opening can be deformed to a certain extent while the strength of the main body 1 is ensured, that is, the opening of the main body can be opened outwards, so that the pipe 4 and the sealing member 2 can be installed conveniently.

As shown in fig. 1, the outer side wall of the middle part of the main body 1 is protruded outwardly to form a protrusion 12 having a polygonal cross section. In this way, the body 1 is prevented from following rotation when the pressing member 3 is rotated. Specifically, the cross section of the protrusion 12 of the present embodiment is hexagonal.

In this embodiment, the seal 2 is a seal ring. Specifically, the sealing ring is a rubber product; in addition, the sealing ring has good corrosion resistance; the sealing ring has a simple structure, is convenient to use, maintain and replace, and improves the service life to a certain extent.

The working principle of the embodiment is as follows: when in use, the sealing ring is firstly arranged in the sealing groove 41, and then two pipes 4 to be connected are respectively arranged in the hollow structure of the main body 1 through the openings at the two ends of the main body 1; in the process, as the pipe 4 and the sealing ring are taken as a whole, the outer diameter of the pipe is larger than the inner diameter of the main body 1, so that the sealing ring and the main body 1 are subjected to pressure deformation, namely, the notch 11 arranged on the main body 1 is deformed, and the pipe 4 and the main body 1 can be smoothly arranged in the main body 1; after the pipe 4 and the sealing ring are smoothly installed in the hollow structure of the main body 1, the compressing piece 3 is rotated to be in threaded connection with the main body 1, and the compressing structure compresses the main body 1, the sealing ring and the pipe 4 so as to tightly contact with each other, thereby preventing water leakage caused by gaps; during the rotation, to prevent the rotation of the body 1, the operator can fix on the hexagonal protrusion 12 with a tool and tighten the pressing member 3 again; meanwhile, the plurality of grooves 32 on the pressing member 3 can have an anti-slip effect, thereby improving the installation efficiency. In this embodiment, since the sealing ring is installed in the sealing groove, and the pressing member 3 is further disposed at the position corresponding to the sealing ring outside the main body 1, the sealing member 2 and the pipe 4 are in close contact, and no water leakage occurs under the condition that the pipe 4 is filled with water.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The quick-dismantling pipe fitting is characterized by comprising a main body (1), an annular sealing piece (2), two pressing pieces (3) and two pipes (4); the inside of the main body (1) is of a hollow structure, two ends of the main body are open, and two pipes (4) respectively penetrate through the openings at two ends of the main body (1) and are arranged in the hollow structure; the pipe (4) is located at one end of the hollow structure, a sealing groove (41) is formed in the sealing groove (41), the sealing piece (2) is installed in the sealing groove (41) and the outer side wall of the sealing piece (2) is in contact with the inner wall of the main body (1), and the two pressing pieces (3) are installed at two ends of the main body (1) respectively to press the main body (1), the sealing piece (2) and the pipe (4).

2. Quick release pipe fitting according to claim 1, characterized in that the outer side wall of the seal (2) is provided with a first anti-slip structure (21).

3. Quick release pipe fitting according to claim 2, characterized in that the first anti-slip structure (21) is a toothed structure inclined towards the installation direction of the pipe (4).

4. The quick release pipe fitting according to claim 1, characterized in that the number of sealing grooves (41) is not less than two, and the number of sealing members (2) is the same as the number of sealing grooves (41).

5. The quick-dismantling pipe fitting according to claim 1, characterized in that the pressing piece (3) is of a cylindrical structure, and the pressing piece (3) is sleeved outside the main body (1) and is in threaded connection with the main body (1).

6. Quick release pipe fitting according to claim 5, characterized in that the outer circumference of the compression element (3) is provided with a second anti-slip structure (31).

7. Quick release pipe fitting according to claim 6, characterized in that the outer side wall of the press element (3) is recessed inwards along its circumference to form a plurality of grooves (32) to form the second anti-slip structure (31).

8. Quick release pipe fitting according to claim 1, characterized in that the end surfaces of the two ends of the main body (1) are respectively provided with a notch (11) which is communicated with the hollow structure.

9. Quick release pipe fitting according to claim 1, characterized in that the outer side wall of the middle part of the body (1) protrudes outwards to form a bulge (12) with a polygonal cross section.

10. Quick release pipe fitting according to claim 1, characterized in that the sealing element (2) is a sealing ring.