CN218480305U

CN218480305U - Direct-insertion universal elbow

Info

Publication number: CN218480305U
Application number: CN202221627157.3U
Authority: CN
Inventors: 陈超
Original assignee: Ningbo Platinum Lester Irrigation Equipment Co ltd
Current assignee: Ningbo Platinum Lester Irrigation Equipment Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-02-14
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a cut straightly formula universal elbow aims at solving when current cut straightly formula elbow connects two sections pipelines, can only make the pipeline do the not enough of the turn of injecing the angle. The utility model comprises an elbow body, wherein the elbow body comprises an insertion pipe and a connecting pipe which are connected, the inner side of the insertion pipe is provided with a sealing ring, a connecting ring, an anti-pulling spring arranged in the connecting ring, a limiting ring used for extruding the anti-pulling spring and an end cover arranged at the end part of the insertion pipe and in butt fit with the limiting ring from inside to outside in sequence; the elbow body, the inserted tube between two elbow bodies and connecting pipe combined connection, the end to end connection can be realized through the connected mode that inserted tube and connecting pipe are connected to three elbow bodies, and rotatable regulation between inserted tube and the connecting pipe realizes arbitrary angular rotation. The utility model discloses, through the built-up connection between the formula elbow that cut straightly, make cut straightly the formula elbow can realize arbitrary angular rotation to realize the pipe connection of arbitrary angle.

Description

Direct-insertion universal elbow

Technical Field

The utility model relates to a water pipe connection spare technical field, more specifically says, it relates to a formula universal elbow cut straightly.

Background

The direct-insertion universal elbow is used for connecting two sections of water pipes and is used for changing the direction of a pipeline.

When the existing direct-insert elbow is connected with two sections of water pipes, the pipelines are usually turned at 45 degrees, 90 degrees, 180 degrees and various degrees, namely the same type of direct-insert elbow only can turn the pipelines at a limited angle and cannot realize the adjustment of any angle.

Chinese patent publication No. CN205136913U, announcement day 2016, 04/06/04/h, this application discloses a novel formula of cuting straightly quick connector, including connecting the elbow body, the both ends of connecting the elbow are connected with valve body and nylon tube respectively, the tip and the valve body threaded connection of connecting the elbow, the other end and the bayonet connection of nylon tube of connecting the elbow, this tip comprises outer tube and inner tube, forms annular cavity between the two, is equipped with the grafting part of inserting soon in the annular cavity, but easy dress also can realize quick detachable function with special extracting tool. It has the defect that the connecting pipeline cannot be turned at will.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes when two sections pipelines are connected to current formula elbow that cut straightly, can only make the pipeline be the not enough of the turn of injecing the angle, provide a formula universal elbow that cuts straightly, it can realize arbitrary angular rotation, makes connecting line turn angle unrestricted.

In order to solve the technical problem, the utility model discloses a following technical scheme: a direct-insertion universal elbow comprises an elbow body, wherein the elbow body comprises an insertion pipe and a connecting pipe which are connected; the elbow body, the inserted tube between two elbow bodies and connecting pipe combined connection, the end to end connection can be realized through the connected mode that inserted tube and connecting pipe are connected to three elbow bodies, and rotatable regulation between inserted tube and the connecting pipe realizes arbitrary angular rotation. The utility model discloses, through the built-up connection between the formula elbow that cut straightly, make cut straightly the formula elbow can realize arbitrary angular rotation to realize the pipe connection of arbitrary angle.

Preferably, the inner side of the insertion tube is provided with a sealing ring, a connecting ring, an anti-pulling spring arranged in the connecting ring, a limiting ring used for extruding the anti-pulling spring, and an end cover arranged at the end part of the insertion tube and in butt fit with the limiting ring from inside to outside in sequence. The structure can realize the connection and locking of the insert pipe and the connecting pipe, and can also realize the rotation adjustment of the connecting ring and the insert ring after the connection and locking.

Preferably, one side of the sealing ring close to the circle center is obliquely provided with a first inclined surface, and the outer ring wall body of the sealing ring close to one side of the insertion pipe is provided with a second inclined surface. The connecting section is inserted along the two slope directions of the inclined planes of the sealing rings, so that the inner rings of the sealing rings are extruded, the inclined planes of the sealing rings are extruded one by one close to one side of the inner wall of the insertion pipe, and the gaps are gradually reduced, so that good sealing is formed among the insertion pipe, the sealing rings and the connecting pipe.

Preferably, an annular groove is formed in the connecting ring and used for embedding and mounting the anti-pulling spring. The installation of the anti-pulling spring is convenient.

Preferably, the anti-pulling spring is of a circular ring structure, and a plurality of anti-pulling clamping pieces are arranged on the inner ring wall body of the anti-pulling spring at equal intervals in the circumferential direction. The anti-pulling clamping piece is provided with eight pieces for locking and fixing the inserted pipeline.

Preferably, the end wall of the limiting ring is provided with a circular boss, the circular boss is provided with a plurality of grooves, the grooves are arranged at equal intervals along the circumferential direction of the circular boss, a plurality of clamping sections are formed on the circular boss, and the end parts of the clamping sections are obliquely provided with a third inclined surface close to one side of the insertion pipe. Spacing ring structure with prevent pulling out the spring cooperation, when can realize the locking of inserting the pipeline fixed, realize inserting the pipeline and insert the rotation regulation between the pipeline to the practicality of this connecting pipe has been improved.

Preferably, the end cap is provided with a plug seal ring which is in abutting engagement with the connection ring. This structural design makes sealing washer, go-between, prevent pulling out spring and spacing ring closely combine together, and then makes cut straightly formula elbow can realize sealed, locking and rotatory operation simultaneously to make a plurality of cut straightly formula elbows can realize the combination of connecting, and arbitrary angular rotation.

Compared with the prior art, the beneficial effects of the utility model are that: through the combined connection between the straight-insertion type elbows, the straight-insertion type elbows can realize the rotation at any angle, thereby realizing the pipeline connection at any angle.

Drawings

Fig. 1 is a schematic structural view of the combined three straight-insertion elbows of the present invention;

fig. 2 is a front view of the in-line elbow of the present invention;

fig. 3 is a top view of the in-line elbow of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken at "A-A" in FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at "B";

fig. 6 is an exploded view of a straight-insertion elbow of the present invention;

in the figure: an elbow body 1; an insertion tube 2; a connecting pipe 3; a seal ring 7; a connecting ring 8; an anti-pulling spring 9; a stop collar 10; an end cap 11; a first inclined plane 12; a first gap 13; a second inclined surface 14; a card slot 15; an annular groove 16; a ramp 17; a tamper resistant card 18; a circular boss 19; a recess 20; a clamping section 21; a bevel III 22; a plug seal ring 23; the slot 24 is rotated.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1: a direct-insert universal elbow (refer to the attached figures 1-6), an elbow body 1, the elbow body 1 includes an insert pipe 2 and a connecting pipe 3 which are connected, an inner side wall body of the insert pipe 2 is provided with a first mounting groove 4, a second mounting groove 5 and a third mounting groove 6 from inside to outside in sequence, a sealing ring 7, a connecting ring 8, an anti-pulling spring 9 arranged in the connecting ring 8, a limiting ring 10 used for extruding the anti-pulling spring 9 and an end cover 11 arranged at the end part of the insert pipe 2 and in butt fit with the limiting ring are arranged in sequence from inside to outside in the insert pipe 2; the sealing ring 7 is embedded and installed in the first mounting groove 4, one side, close to the circle center, of the sealing ring 7 is obliquely provided with a first inclined surface 12, a first gap 13 is formed between the first mounting groove 4 and the sealing ring, the outer ring wall body of the sealing ring 7, close to one side of the insertion pipe 2, is provided with a second inclined surface 14, and the wall body, close to one side of the connection ring 8, of the sealing ring 7 is internally provided with a clamping groove 15; the connecting ring 8 is embedded in the second mounting groove 5, one end of the connecting ring 8 extends into the clamping groove 15 and abuts against the bottom wall of the clamping groove, an annular groove 16 is formed in the connecting ring 8, a slope 17 is arranged on the wall body of the inner ring of the connecting ring 8, the slope 17 is obliquely arranged from the annular groove 16 to one side of the clamping groove 15, and the annular groove 16 is used for embedding and mounting the anti-pulling spring 9; the anti-pulling spring 9 is in a circular ring structure, and a plurality of anti-pulling clamping pieces 18 are circumferentially arranged on the inner ring wall body of the anti-pulling spring 9 at equal intervals; the end wall of the limiting ring 10 is provided with a circular boss 19, the circular boss 19 is provided with four grooves 20, the grooves 20 are arranged at equal intervals along the circumferential direction of the circular boss 19, so that a plurality of clamping sections 21 are formed on the circular boss 19, the structure of the grooves 20 is designed, the clamping sections 21 can be expanded to one side of the inner wall of the insertion tube 2 after being extruded, the anti-pulling-out cards 18 can be conveniently extruded and expanded, the connection tube 3 can be clamped on the outer wall of the connection tube 3 through the extrusion effect of the anti-pulling-out cards 18 on the clamping sections 21, and the end part of the clamping section 21, close to one side of the insertion tube 2, is obliquely provided with an inclined plane III 22; an inserting seal ring 23 which is in butt fit with the connecting ring is arranged on the end cover 11, a rotating groove 24 is formed between the inserting seal ring 23 and the end cover 11, the limiting ring is arranged in the rotating groove and can rotate in the rotating groove, the inserting seal ring 23 is embedded into the mounting groove III 6 and forms a slight inclination angle with the attachment surface of the mounting groove III 6, so that the inserting seal ring 23 can be conveniently inserted into the inserting pipe 2, and the anti-pulling spring 9 and the limiting ring 10 are arranged between the end cover 11 and the connecting ring 3; the elbow body, the inserted tube between two elbow bodies can be assembled between the connecting pipe and be connected, and the connected mode that three and above elbow bodies are connected through inserted tube and connecting pipe can realize end to end connection, and rotatable regulation between inserted tube and the connecting pipe realizes arbitrary angular rotation, and three elbow body combination forms the universal elbow 100 of formula of cuting straightly.

Installation process: when the connecting pipe of the two elbow main bodies is introduced into the insert pipe, the connecting pipe is firstly contacted with the inner ring of the limiting ring in the process of inserting the connecting pipe into the insert pipe from outside to inside, the limiting ring moves towards one side of the anti-pulling spring under the pushing action of the connecting pipe, so that the anti-pulling card is contacted and extruded with the clamping section, the anti-pulling card gradually moves towards one side close to the slope (the slope can play the role of limiting the anti-pulling card and assisting in clamping the connecting pipe), and the connecting pipe can realize the locking of the outer wall of the connecting pipe through the extrusion effect of the anti-pulling card on the clamping section; finally, the connecting section is inserted along the slope direction of the inclined surface one of the sealing rings, so that the inner ring of the sealing ring is extruded, one side of the inclined surface two of the sealing ring is extruded towards one side close to the inner wall of the insertion pipe, and the gap is gradually reduced, so that good sealing is formed among the insertion pipe, the sealing ring and the connecting pipe; after connecting pipe and insert tube connected accomplish, connecting pipe and insert tube can rotate at the rotation groove under the effect of spacing ring, and then realize the connecting pipe in the rotation of insert tube, and end to end connection can be realized through the connected mode that insert tube and connecting pipe are connected to three elbow body, and rotatable regulation between insert tube and the connecting pipe realizes arbitrary angle rotation.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A direct-insertion universal elbow is characterized in that an elbow body comprises an insertion pipe and a connecting pipe which are connected with each other; a limiting ring and an end cover are arranged in the insertion pipe, an insertion sealing ring is arranged on the end cover, a rotating groove is formed between the insertion sealing ring and the end cover, and the limiting ring is arranged in the rotating groove; the elbow body, the inserted tube and the connecting pipe combined connection between two elbow bodies, three elbow bodies are connected through inserted tube and connecting pipe and can realize end to end connection, and rotatable regulation between inserted tube and the connecting pipe realizes arbitrary angular rotation.

2. The direct-insert universal elbow according to claim 1, wherein the insert tube is provided with a sealing ring, a connecting ring, an anti-pulling spring arranged in the connecting ring, a limiting ring for extruding the anti-pulling spring, and an end cap arranged at the end of the insert tube and abutted with the limiting ring from inside to outside in sequence.

3. The in-line universal elbow according to claim 2, wherein the sealing ring has a first inclined surface on the side near the center of the circle and a second inclined surface on the outer ring wall of the sealing ring on the side near the insertion tube.

4. A straight-inserting universal elbow according to claim 2 or 3, wherein the connecting ring is provided with an annular groove, and the annular groove is used for embedding and installing the anti-pulling spring.

5. The in-line universal elbow according to claim 4, wherein the anti-pulling spring is in a ring configuration, and a plurality of anti-pulling clips are provided on the inner ring wall of the anti-pulling spring at equal intervals in the circumferential direction.

6. An in-line universal elbow according to claim 5 wherein the end wall of the retaining ring has a circular boss with a plurality of recesses spaced circumferentially about the boss such that the boss has a plurality of snap-fit segments with an end portion adjacent the insert tube having a third inclined surface.

7. An in-line universal elbow according to claim 6 wherein the end cap is provided with a plug seal ring which is in abutting engagement with the connecting ring.