阅读说明：本技术 内插快速接头 (Fast joint with inner plug ) 是由 于小航 于树贵 于 2021-03-29 设计创作，主要内容包括：本发明公开了一种内插快速接头,包括接头本体,所述接头本体一端与一排水管连接且该接头本体另一端与一下水管连接,所述接头本体包括下端外径大于其上端外径的凸环,所述凸环下端与一排水管的内壁固定连接该凸环的上端套设有橡胶圈,在所述橡胶圈上方设有插环,所述插环与凸环的上端过渡配合且在使用时该插环下端挤入橡胶圈与凸环之间从而使橡胶圈的外径大于凸环下端的外径,以及,在所述插环上方设有压环,所述压环与凸环的上端过渡配合且该压环下端与插环上端啮合,在上述压环上端设有用于连接下水管的连接环,所述连接环与压环过渡配合。本发明具有良好的密封性及稳固性等优点。(The invention discloses an internally-inserted quick connector which comprises a connector body, wherein one end of the connector body is connected with a drainage pipe, the other end of the connector body is connected with a lower drainage pipe, the connector body comprises a convex ring, the outer diameter of the lower end of the convex ring is larger than that of the upper end of the convex ring, the lower end of the convex ring is fixedly connected with the inner wall of the drainage pipe, the upper end of the convex ring is sleeved with a rubber ring, an inserting ring is arranged above the rubber ring, the inserting ring is in transition fit with the upper end of the convex ring, the lower end of the inserting ring is squeezed between the rubber ring and the convex ring when in use, so that the outer diameter of the rubber ring is larger than that of the lower end of the convex ring, a pressing ring is arranged above the inserting ring, the pressing ring is in transition fit with the upper end of the convex ring, the lower end of the pressing. The invention has the advantages of good sealing property and stability and the like.)

1. An inserted quick connector comprises a connector body, wherein one end of the connector body is connected with a drainage pipe, and the other end of the connector body is connected with a lower drainage pipe; the method is characterized in that: the joint body comprises a convex ring (1) with the outer diameter of the lower end larger than that of the upper end of the joint body, the lower end of the convex ring (1) is fixedly connected with the inner wall of the drain pipe, a rubber ring (2) is sleeved at the upper end of the convex ring (1), an inserting ring (3) is arranged above the rubber ring (2), the inserting ring (3) is in transition fit with the upper end of the convex ring (1), and the lower end of the inserting ring (3) is extruded between the rubber ring (2) and the convex ring (1) when in use, so that the outer diameter of the rubber ring (2) is larger than the outer diameter of the lower end of the convex ring (1), a press ring (4) is arranged above the insert ring (3), the press ring (4) is in transition fit with the upper end of the convex ring (1), the lower end of the press ring (4) is meshed with the upper end of the insert ring (3), the upper end of the pressure ring (4) is provided with a connecting ring (5) for connecting a downcomer, and the connecting ring (5) is in transition fit with the pressure ring (4).

2. The male quick connector of claim 1, wherein: the bulge loop (1) includes end ring (11), the outer wall and the inside pipe wall fixed connection of end ring (11) and the inner wall of this end ring (11) up extend and have inner ring (12), the external diameter of end ring (11) is greater than the external diameter of inner ring (12), inner ring (12) outer wall is located to rubber circle (2) cover, thereby insert ring (3) and inner ring (12) transition fit and should insert between ring (3) lower extreme crowded rubber circle (2) and inner ring (12) when using and make the external diameter of rubber circle (2) be greater than the external diameter of end ring (11), and, a plurality of right angle dovetail groove (13) have been seted up on inner ring (12) outer wall, each right angle side one end of right angle dovetail groove (13) is the hypotenuse of open end and each right angle dovetail groove (13) one end all with insert ring (3) contact fit.

3. The male quick connector of claim 2, wherein: insert ring (3) including spacing portion (31), spacing portion (31) top surface is equipped with and is first meshing portion (32) that the circumference distributes and form by a plurality of one-way tooth and this spacing portion (31) bottom surface is equipped with crowded portion (33), wherein, first meshing portion (32) and clamping ring (4) lower extreme meshing and the inner wall of this first meshing portion (32) are that the circumference distributes and have a plurality of spacing arch (34), each spacing arch (34) respectively with the hypotenuse one end contact cooperation of each right angle dovetail groove (13), the external diameter of crowded portion (33) is less than the external diameter of spacing portion (31) and should crowded portion (33) of opening squeeze into between rubber ring (2) and bulge loop (1) when using.

4. The male quick connector of claim 3, wherein: the squeezing part (33) comprises a stretching end (331), the outer diameter of the stretching end (331) is smaller than that of the limiting part (31), the outer diameter of the stretching end (331) is linearly reduced from top to bottom, the top of the stretching end (331) is fixedly connected with the bottom of the limiting part (31), an extending end (332) with unchanged outer diameter is extended downwards from the bottom of the stretching end (331), and the stretching end (331) and the extending end (332) are squeezed between the rubber ring (2) and the inner ring (12) when the squeezing part is used.

5. The male quick connector of claim 4, wherein: clamping ring (4) are including clamping ring main part (41), clamping ring main part (41) and inner ring (12) transition fit, and above-mentioned clamping ring main part (41) bilateral symmetry is equipped with turning handle (42) and is equipped with second meshing portion (43) that are the circumference and distribute and form by the one-way tooth of a plurality of in this clamping ring main part (41) bottom, second meshing portion (43) and first meshing portion (32) meshing.

6. The interpolating quick coupler of any one of claims 1 to 5, wherein: the lower end of the connecting ring (5) is in transition fit with the pressure ring (4), and an external thread is arranged at the upper end of the connecting ring (5).

Technical Field

The invention relates to the field of drainage, in particular to an inserted quick connector.

Background

The lower end of the existing sewer pipe (such as a washbasin sewer pipe) is generally provided with a decorative cup and a rubber sleeve, when the sewer pipe is connected with a drainage pipe, the lower end of the sewer pipe is generally directly inserted into the drainage pipe and fixed through the friction force of the rubber sleeve, the connection mode is poor in stability and sealing performance, the drainage pipe is easy to separate from the sewer pipe after being connected with the sewer pipe, and water flow is easy to seep out from a gap between the rubber sleeve and the drainage pipe.

How to solve the above problems is a technical problem to be solved urgently.

Disclosure of Invention

The invention aims to provide an interpolation quick connector with good sealing performance and stability.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides an internally-inserted quick connector which comprises a connector body, wherein one end of the connector body is connected with a drainage pipe, the other end of the connector body is connected with a lower drainage pipe, the connector body comprises a convex ring, the outer diameter of the lower end of the convex ring is larger than that of the upper end of the convex ring, the lower end of the convex ring is fixedly connected with the inner wall of the drainage pipe, a rubber ring is sleeved at the upper end of the convex ring, an inserting ring is arranged above the rubber ring, the inserting ring is in transition fit with the upper end of the convex ring, the lower end of the inserting ring is squeezed between the rubber ring and the convex ring when in use, so that the outer diameter of the rubber ring is larger than that of the lower end of the convex ring, a pressing ring is arranged above the inserting ring, the pressing ring is in transition fit with the upper end of the convex ring, the lower end of the pressing.

Further, the bulge loop includes the end ring, the outer wall of end ring and the inner wall of drain pipe inner wall fixed connection and this end ring up extend and have the inner ring, the external diameter of end ring is greater than the external diameter of inner ring, the inner ring outer wall is located to the rubber circle cover, thereby insert ring and inner ring transition fit and should insert between the ring lower extreme crowded rubber circle and the inner ring and make the external diameter of rubber circle be greater than the external diameter of end ring when using, and, a plurality of right trapezoid groove has been seted up on the inner ring outer wall, each the right-angle limit one end of right trapezoid groove is the hypotenuse one end of open end and each right trapezoid groove all with insert the ring contact cooperation.

Further, insert the ring and include spacing portion, spacing portion top surface is equipped with and is the first meshing portion that the circumference distributes and form and this spacing portion bottom surface by the one-way tooth of a plurality of and is equipped with crowded portion of opening, wherein, the inner wall that first meshing portion and clamping ring lower extreme meshing and this first meshing portion are the circumference and distribute and have a plurality of spacing arch, each spacing arch respectively with the hypotenuse one end contact cooperation in each right trapezoid groove, the external diameter of crowded portion is less than the external diameter of spacing portion and should crowd the portion of opening and squeeze into between rubber circle and the bulge loop when using.

Further, the squeezing and expanding part comprises an expanding end, the outer diameter of the expanding end is smaller than that of the limiting part, the outer diameter of the expanding end is linearly reduced from top to bottom, the top of the expanding end is fixedly connected with the bottom of the limiting part, an extending end with unchanged outer diameter is extended downwards from the bottom of the expanding end, and the expanding end and the extending end are squeezed between the rubber ring and the inner ring when the squeezing and expanding part is used.

Further, the clamping ring comprises a clamping ring main body, the clamping ring main body is in transition fit with the inner ring, the clamping ring main body is symmetrically provided with rotating handles, a second meshing portion formed by a plurality of one-way teeth in a circumferential distribution mode is arranged at the bottom of the clamping ring main body, and the second meshing portion is meshed with the first meshing portion.

Further, go up the ring lower extreme and press ring transition fit and this go up ring upper end and be equipped with the external screw thread.

Due to the adoption of the structure, the invention has the following beneficial effects:

according to the invention, the rubber ring is arranged, when the rubber ring is installed, the rubber ring is sleeved at the upper end of the convex ring, the insert ring is pressed downwards through the pressing ring, the lower end of the insert ring is squeezed between the rubber ring and the convex ring, so that the outer diameter of the rubber ring is larger than that of the lower end of the convex ring, the outer side of the rubber ring is tightly attached to the inner wall of the drain pipe, water flow is prevented from seeping out from a gap between the joint and the drain pipe, the friction force between the joint body and the drain pipe is increased, the connection stability is improved, in addition, the sewer pipe is connected through the connecting ring, and the connecting ring is in transition fit with the pressing ring in.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the male ring of the present invention;

FIG. 3 is a schematic view of the overall structure of the rubber ring of the present invention;

FIG. 4 is a schematic view of the overall structure of the insert ring of the present invention;

FIG. 5 is a schematic view of the overall structure of the pressure ring of the present invention;

fig. 6 is an overall structure view of the connection ring of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the quick connector for inserting provided by the present invention comprises a connector body, one end of the connector body is connected with a drainage pipe, and the other end of the connector body is connected with a drainage pipe, the connector body comprises a convex ring 1 with a lower outer diameter larger than that of the upper end of the convex ring, the lower end of the convex ring 1 is fixedly connected with the inner wall of the drainage pipe, and the upper end of the convex ring 1 is sleeved with a rubber ring 2, an insert ring 3 is arranged above the rubber ring 2, the insert ring 3 is in transition fit with the upper end of the convex ring 1, and the lower end of the insert ring 3 is squeezed between the rubber ring 2 and the convex ring 1 when in use, so that the outer diameter of the rubber ring 2 is larger than that of the lower end of the convex ring 1, and a press ring 4 is arranged above the insert ring 3, the press ring 4 is in transition fit with the upper end of the convex ring 1, and the lower end of the press ring 4, and the connecting ring 5 is in transition fit with the pressure ring 4. Through clamping ring 4 applys decurrent thrust to inserting ring 3, makes to insert ring 3 and follows 1 upper ends of bulge loop gliding, until inserting 3 lower extremes of ring and squeeze into between rubber circle 2 and the bulge loop 1 to make rubber circle 2 expand, its external diameter is greater than the external diameter of 1 lower extreme of bulge loop, and the inner wall of drain pipe can be hugged closely to rubber circle 2.

In the invention, the convex ring 1 comprises a bottom ring 11, the outer wall of the bottom ring 11 is fixedly connected with the inner wall of the drain pipe, an inner ring 12 extends upwards from the inner wall of the bottom ring 11, the outer diameter of the bottom ring 11 is larger than that of the inner ring 12, the rubber ring 2 is sleeved on the outer wall of the inner ring 12, the insert ring 3 is in transition fit with the inner ring 12, and the lower end of the insert ring 3 is squeezed between the rubber ring 2 and the inner ring 12 when in use, so that the outer diameter of the rubber ring 2 is larger than that of the bottom ring 11, the outer wall of the inner ring 12 is provided with a plurality of right-angle trapezoidal grooves 13, one end of the right-angle side of each right-angle trapezoidal groove 13 is an open end, and one end of the bevel side of each right-angle trapezoidal groove 13.

In the invention, the insert ring 3 comprises a limiting part 31, the top surface of the limiting part 31 is provided with a first meshing part 32 formed by a plurality of unidirectional teeth in circumferential distribution, the bottom surface of the limiting part 31 is provided with an extruding and expanding part 33, and the inclined direction of the inclined edge of the unidirectional tooth on the first meshing part 32 is opposite to the inclined direction of the inclined edge of the right-angle trapezoidal groove 13; the first engaging portion 32 is engaged with the lower end of the pressing ring 4, a plurality of limiting protrusions 34 are circumferentially distributed on the inner wall of the first engaging portion 32, each limiting protrusion 34 is in contact fit with one end of the inclined edge of each right-angled trapezoidal groove 13, the outer diameter of the extruding portion 33 is smaller than that of the limiting portion 31, and the extruding portion 33 is extruded between the rubber ring 2 and the convex ring 1 when the rubber ring is used. The outer diameter of the limiting part 31 is larger than the maximum outer diameter of the squeezing part 33, so that the rubber ring 2 is limited between the limiting part 31 and the bottom ring 11 when in use; each of the stopper protrusions 34 is in contact with the bottom surface or the side wall of each of the rectangular trapezoidal grooves 13, and the upper end of each of the rectangular trapezoidal grooves 13 is opened, so that the insert ring 3 can slide up and down along the inner ring 12 while limiting the angle at which the insert ring 3 can horizontally rotate.

In the present invention, the expansion portion 33 includes an expansion end 331, the outer diameter of the expansion end 331 is smaller than the outer diameter of the position-limiting portion 31, and the outer diameter of the expansion end 331 is linearly reduced from top to bottom, the top of the expansion end 331 is fixedly connected to the bottom of the position-limiting portion 31, and an extension end 332 with an unchanged outer diameter is extended downward from the bottom of the expansion end 331, and both the expansion end 331 and the extension end 332 are squeezed between the rubber ring 2 and the inner ring 12 when in use. When the squeezing part 33 is squeezed between the rubber ring 2 and the inner ring 12, the rubber ring 2 is sleeved on the outer wall of the extension end 332, the inserting ring 3 is continuously pressed downwards, the expansion end 331 continuously moves downwards to enable the rubber ring 2 to be sleeved on the outer wall of the expansion end 331, and the outer diameter of the rubber ring 2 is gradually increased along with the downward movement of the expansion end 331.

In the invention, the pressure ring 4 comprises a pressure ring main body 41, the pressure ring main body 41 is in transition fit with the inner ring 12, the two sides of the pressure ring main body 41 are symmetrically provided with rotating handles 42, the bottom of the pressure ring main body 41 is provided with second meshing parts 43 formed by a plurality of one-way teeth in a circumferential distribution manner, the second meshing parts 43 are meshed with the first meshing parts 32, and the inner diameter of the second meshing parts 43 is smaller than that of the pressure ring main body 41. The pressing ring 4 is horizontally rotated and pressed downwards, the second meshing part 43 presses the first meshing part 32 downwards, the limiting protrusion 34 is pushed to slide downwards along the bevel edge of the right-angled trapezoidal groove 13, and the inserting ring 3 moves downwards and is squeezed between the rubber ring 2 and the inner ring 12; and the pressing ring 4 is rotated reversely, and the second meshing part 43 pushes the limiting protrusion 34 to slide upwards along the bevel edge of the right-angled trapezoidal groove 13, so that the inserting ring 3 moves upwards and is separated from the space between the rubber ring 2 and the inner ring 12.

In the invention, the lower end of the connecting ring 5 is in transition fit with the pressure ring 4, and the upper end of the connecting ring 5 is provided with an external thread. The upper end of the connecting ring 5 is connected with a decorative cup of a sewer pipe through external threads, the lower end of the sewer pipe penetrates through the center of the connecting ring 5 and extends to the lower portion of the connecting ring 5, when the sewer pipe is inserted into a drainage pipe, the convex ring 1, the inserting ring 3 and the pressing ring 4 are in transition fit with the lower end of the sewer pipe, and the lower end of the connecting ring 5 is in transition fit with the pressing ring 4, so that the sewer pipe is stably connected with the drainage pipe.

When the invention is used, firstly, the bottom ring 11 is bonded and fixed in the drain pipe through glue, then the rubber ring 2, the insert ring 3 and the press ring 4 are sequentially sleeved on the inner ring 12, the press ring 4 is horizontally rotated and pressed downwards, the pressure is transmitted to the insert ring 3 through the second meshing part 43 and the first meshing part 32, the limiting bulge 34 is pushed to slide downwards along the bevel edge of the right-angled trapezoidal groove 13, the insert ring 3 continuously moves downwards, the squeezing part 33 is squeezed between the rubber ring 2 and the inner ring 12 until the limiting bulge 34 slides to the lowest point of the bevel edge of the right-angled trapezoidal groove 13, and at the moment, the expanding end 331 squeezes the rubber ring 2, so that the outer diameter of the rubber ring 2 is increased and clings to the inner wall of the drain pipe, and the stability and the sealing property are improved.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.