Pipe fitting connecting piece convenient to install

Abstract

The utility model relates to the technical field of faucets, in particular to a pipe fitting connecting piece convenient to install, which comprises a connecting piece body and meshing threads integrally formed on the outer wall of the connecting piece body, a conical boss is integrally formed on the outer wall of the connecting piece body, and an external expansion elastic ring made of silica gel or rubber is sleeved on the conical boss. After the connecting piece is screwed into the pipeline, the outer expansion elastic ring is extruded through the inner wall of the pipe fitting to be pressed on the conical boss, and the outer expansion elastic ring is expanded through the large-diameter end of the conical boss to be expanded outwards to block a gap between the inner wall of the pipe fitting and the outer wall of the connecting piece body.

Description

TECHNICAL FIELD

[0001] The utility model relates to faucet technical field, concretely relates to a pipe fitting connecting piece of convenient installation. BACKGROUND

[0002] The pipe fitting connecting piece is a connecting device that can connect multiple pipes, is usually arranged at the end position of the pipe, and is installed to enable the end of one pipe to be connected to the end of another pipe, thereby connecting multiple pipes so that water flow can be connected through multiple pipes and then output to a farther place or diverted.

[0003] Although the above prior art can solve the corresponding technical problems, it still has certain defects: the existing pipe fitting connecting piece is usually connected to the pipe by threads when installed in the water pipe, and in order to ensure the thread engagement and improve the sealing effect, raw material tape must be wound around the connecting piece, which requires additional raw material tape rolls and certain experience to accurately and uniformly wind the raw material tape, otherwise the raw material tape may not be evenly wound on both sides and may not be screwed into the pipe, which is troublesome and requires high experience. UTILITY MODEL CONTENTS

[0004] The utility model aims at the defects and deficiencies of the prior art and provides a pipe fitting connecting piece of convenient installation with low installation experience requirement and few required accessories.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pipe fitting connecting piece of convenient installation, comprising a connecting piece body and a meshing thread integrally formed on the outer wall of the connecting piece body, the outer wall of the connecting piece body is integrally formed with a conical boss, and a silicone or rubber material outer expansion elastic ring is sleeved on the conical boss.

[0006] Further improvement is that the outer wall of the outer expansion elastic ring is provided with a plurality of fitting grooves around the outer wall of the outer expansion elastic ring.

[0007] Further improvement is that the end of the conical boss with a smaller diameter is further provided with a fixing boss for preventing the outer expansion elastic ring from separating from the conical boss.

[0008] Further improvement is that the water outlet end of the connecting member body is further provided with a conical filter cover, and a plurality of through holes are integrally formed on the filter cover.

[0009] Further improvement is that a check piece is penetratedly installed on the end of the filter cover to close the through holes on the filter cover.

[0010] Further improvement is that the check piece comprises a connecting column penetratedly installed on the end of the filter cover and an enlarged piece integrally formed on the end of the connecting column, the enlarged piece is made of rubber or silica gel, and the enlarged piece is attached to the inner wall of the filter cover.

[0011] Further improvement is that the other end of the connecting column is provided with an anti-falling protrusion.

[0012] After the above technical scheme is adopted, the utility model has the beneficial effects that in the process of being installed into the pipeline, the connecting member body is screwed into the internal thread of the pipe fitting through the external thread of the connecting member body, and in the process of being installed, as the connecting member body gradually enters the pipe fitting, the outer expansion elastic ring is extruded and pushed by the inner wall of the pipe fitting, at this time, the outer expansion elastic ring is extruded and slides along the outer surface of the conical boss, moves from the small-diameter end to the large-diameter end of the conical boss, and is then extruded and deformed by the conical boss, so as to fill the gap between the connecting member body and the pipe fitting and seal the connecting member and the pipe fitting, without the need of additional preparation and winding of raw material belts, the installation is more convenient, and the requirement for installation experience is lower. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without the creative labor.

[0014] Figure 1 It is the structure schematic diagram of the connecting member of the utility model in perspective view;

[0015] Figure 2 It is the structure schematic diagram of the connecting member of the utility model in side view;

[0016] Figure 3 It is the structure schematic diagram of the connecting member of the utility model in side view section;

[0017] Figure 4 It is the structure schematic diagram of the connecting member of the utility model in perspective view after removing the outer expansion elastic ring;

[0018] Figure 5 It is the structure schematic diagram of the connecting member of the utility model in front view after removing the outer expansion elastic ring;

[0019] Figure 6 It is the structure diagram of the utility model check valve three-dimensional. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and specific embodiments.

[0021] Referring to Figures 1-6 The technical scheme adopted by the embodiment is: a pipe fitting connecting piece convenient to install, comprising a connecting piece body 1 and a meshing thread integrally formed on the outer wall of the connecting piece body 1, the outer wall of the connecting piece body 1 is integrally formed with a conical boss 11, the conical boss 11 is sleeved with an outer expansion elastic ring 2 made of silica gel or rubber material, after the connecting piece is screwed into the pipeline, the outer expansion elastic ring 2 is pressed on the conical boss 11 by the extrusion of the inner wall of the pipe fitting, and the outer expansion elastic ring 2 is expanded outward by the larger diameter end of the conical boss 11 to block the gap between the inner wall of the pipe fitting and the outer wall of the connecting piece body 1, in use, the end of the connecting piece body 1 is inserted into the pipe fitting, and is rotated to be engaged with the internal thread on the inner wall of the pipe fitting through the meshing thread, at the same time, another pipe fitting is rotated along the meshing thread outside the connecting piece body 1, so that the other pipe fitting is connected with the internal thread in it through the meshing thread outside the connecting piece body 1, at this time, the two pipe fittings can be fixed and connected through the connecting piece body 1, in the process of installation, as the connecting piece body 1 gradually enters the pipe fitting, the outer expansion elastic ring 2 is extruded and slides along the outer surface of the conical boss 11 from the small diameter end to the large diameter end of the conical boss 11, and is then extruded and deformed by the larger diameter end of the conical boss 11, and is then pressed between the connecting piece body 1 and the inner wall of the pipe fitting, thereby filling the gap between the connecting piece body 1 and the pipe fitting, and sealing the connecting piece body 1 and the pipe fitting, without the need for additional preparation and winding of raw material belt, the installation is more convenient, and the requirement for installation experience is lower;

[0022] The outer wall of the outer expansion elastic ring 2 is provided with a plurality of fitting grooves 4 around the outer wall of the outer expansion elastic ring 2, which is beneficial to better match the internal thread protrusion of the pipe fitting inner cavity through the fitting grooves 4, so that the fitting degree is higher, and the sealing performance is better;

[0023] The end of the conical boss 11 with smaller diameter is also provided with a fixing boss 12 for preventing the outer expansion elastic ring 2 from separating from the conical boss 11, which is beneficial to prevent the outer expansion elastic ring 2 from separating from the conical boss 11 and being lost during transportation;

[0024] The water outlet end of the connecting member body 1 is further provided with a conical filter cover 5, a plurality of through holes are integrally formed on the filter cover 5, which is beneficial to filter particles synchronously when water flows through, and after the particles are filtered, the particles are moved to the edge of the filter cover 5 through the conical filter cover 5, so that the filter cover 5 is prevented from being blocked;

[0025] A check piece 6 for closing the through holes on the filter cover 5 is penetrated and installed on the end of the filter cover 5, the check piece 6 comprises a connecting column 61 for being penetrated and installed on the end of the filter cover 5 and an enlarged piece 62 integrally formed on the end of the connecting column 61, the enlarged piece 62 is made of rubber or silica gel, and is attached to the inner wall of the filter cover 5, which is beneficial to push the enlarged piece 62 to deform when water flows in the forward direction, so that water can flow normally, and when water flows in the reverse direction, the enlarged piece 62 can be pressed on the inner wall of the filter cover 5 to close it, so that water is prevented from flowing back and water leakage is prevented.

[0026] The other end of the connecting column 61 is provided with an anti-falling bump 63, which is beneficial to more firmly connect the connecting column 61 on the filter cover 5 and prevent the connecting column 61 from falling off.

[0027] The working principle of the utility model is as follows: when the utility model is used, the end of the connecting member body 1 is inserted into a pipe, and is rotated to be engaged on the internal thread on the inner wall of the pipe through the engagement thread, and another pipe is rotated along the engagement thread outside the connecting member body 1, so that the other pipe is connected to the outside of the connecting member body 1 through the engagement thread and the internal thread inside the other pipe, at this time, the two pipes can be fixed and connected through the connecting member body 1, in the process of being inserted, as the connecting member body 1 gradually enters the pipe, the outer expansion elastic ring 2 is extruded and pushed by the inner wall of the pipe, at this time, the outer expansion elastic ring 2 is extruded and slides along the outer surface of the conical boss 11, moves from the small-diameter end to the large-diameter end of the conical boss 11, is extruded and deformed by the large-diameter end of the conical boss 11, and is pressed between the connecting member body 1 and the inner wall of the pipe, so as to fill the gap between the connecting member body 1 and the pipe and seal the connecting member body 1 and the pipe, without the need of additional preparation and winding of raw material belts, the installation is more convenient, and the requirement for installation experience is lower.

[0028] The utility model wants to protect the structure of the product, the model of each element is not the content protected by the utility model, and is a known technology, and as long as the elements on the market can realize the functions of the utility model, they can be selected and applied. Therefore, the model and other parameters of the element are not described in detail in the utility model. The contribution of the utility model lies in the scientific combination of each element.

[0029] The basic principle and main features of the utility model and its advantages are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the description are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents. The utility model is not described in detail, which is the known technology of the person skilled in the art.

Claims

1. A conveniently installed pipe fitting connector comprising a connector body (1) and a mating thread integrally formed on the outer wall of the connector body (1), characterized in that: The connecting piece body (1) is integrally formed with a conical boss (11) on the outer wall, and a silicone or rubber material outer expansion elastic ring (2) is sleeved on the conical boss (11). After the connecting piece is screwed into the pipe, the outer expansion elastic ring (2) is extruded by the inner wall of the pipe and is compressed on the conical boss (11), and the outer expansion elastic ring (2) is expanded outward by the larger diameter end of the conical boss (11) to block the gap between the inner wall of the pipe and the outer wall of the connecting piece body (1).

2. A conveniently installed pipe coupling according to claim 1, characterized in that: The outer expansion elastic ring (2) is provided with a plurality of fitting grooves (4) around the outer wall of the outer expansion elastic ring (2).

3. A conveniently installed pipe coupling according to claim 1 or 2, characterised in that: The smaller diameter end of the conical boss (11) is further provided with a fixing boss (12) for preventing the outer expansion elastic ring (2) from separating from the conical boss (11).

4. A conveniently installed pipe coupling according to claim 1, characterized in that: The connecting piece body (1) is further provided with a conical filter cover (5) at the water outlet end, and a plurality of through holes are integrally formed on the filter cover (5).

5. A conveniently installed pipe coupling according to claim 4, characterised in that: A check piece (6) is penetrated and installed on the end of the filter cover (5) to close the through holes on the filter cover (5).

6. A conveniently installed pipe coupling according to claim 5, characterised in that: The check piece (6) comprises a connecting column (61) for penetrating and being installed on the end of the filter cover (5), and an enlarged piece (62) integrally formed on the end of the connecting column (61), the enlarged piece (62) is made of rubber or silicone, and the enlarged piece (62) is fitted on the inner wall of the filter cover (5).

7. A conveniently installed pipe coupling according to claim 6, characterised in that: The other end of the connecting column (61) is provided with an anti-dropping boss (63).

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