CN218208357U - Lengthened inner-tooth elbow - Google Patents

Abstract

The utility model discloses an extension internal tooth elbow, including the extension elbow of fixed mounting on the body, the riveting groove has been seted up on the extension elbow, and the riveting inslot riveting has copper insert nut, fixed mounting has the cascaded major diameter flange of three-layer on copper insert nut's the lateral wall, three expansion seal groove has been seted up on the lateral wall in riveting groove, and every expansion seal groove is located the lower edge department of three-layer flange in the cascaded major diameter flange of three-layer respectively, the decompression groove has been seted up in proper order and has been prevented excessively twisting the draw-in groove from top to bottom on the lateral wall in riveting groove, fixed mounting has three expansion-proof snap ring, a decompression go-between and one to prevent excessively twisting the card post from top to bottom in proper order on copper insert nut's the lateral wall. Has the advantages that: this tooth elbow in extension has that length is bigger, prevent the fracture, stable strong, prevent inflation, leak protection water, prevent excessively twisting and exempt from the advantage of raw material area, and it is more reliable convenient to use, and the practicality is stronger.

Description

Lengthened inner-tooth elbow

Technical Field

The utility model relates to a pipe connection spare technical field especially relates to an extension internal tooth elbow.

Background

An internal elbow is a common pipe joint that enables pipe turns. In actual work progress, still need to increase the cupboard owing to counter basin below generally, and the lateral wall thickness of cupboard can lead to the interface position of the elbow section of interior tooth elbow can not stand out the lateral wall of cupboard, for being connected the water pipe of counter basin and interior tooth elbow, need take over, take over the department and be the position that takes place to leak most easily, this can increase the probability of leaking, bring very big trouble to later maintenance, tooth elbow in consequently need to design a extension urgently.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an extension inner tooth elbow.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an extension internal tooth elbow, includes the extension elbow of fixed mounting on the body, the riveting groove has been seted up on the extension elbow, and the riveting inslot riveting has copper insert nut, fixed mounting has the cascaded major diameter flange of three-layer on copper insert nut's the lateral wall, three expansion seal groove has been seted up on the lateral wall in riveting groove, and every expansion seal groove is located the lower edge department of three-layer flange in the cascaded major diameter flange of three-layer respectively, from top to bottom seted up the decompression groove in proper order on the lateral wall in riveting groove and prevented excessively twisting the draw-in groove, from top to bottom fixed mounting has three expansion snap ring, a decompression go-between and one to prevent excessively twisting the card post, and is three on copper insert nut's the lateral wall prevent that expansion snap ring cooperatees with the expansion seal groove that corresponds respectively, decompression go-between and prevent excessively twisting the card post and cooperate with the decompression groove and prevent excessively twisting the draw-in groove respectively.

In the lengthened inner-tooth elbow, the lengths of the lengthened elbow and the copper insert nut are both 50mm, and the copper insert nut is formed by red brass punching according to the European standard cw 617N.

In the lengthened inner-tooth elbow, a first check ring and a second check ring are installed in the copper insert nut, and a raw material belt is fixedly arranged in the copper insert nut.

In the above lengthened inner elbow, the other end of the pipe body is fixedly connected with a telescopic pipe, and the other end of the telescopic pipe is fixedly connected with a connecting pipe.

In foretell extension interior tooth elbow, fixed mounting has solid fixed ring on the lateral wall of body, fixed mounting has the collar on the lateral wall of connecting pipe, fixed mounting has the fixed block on the lateral wall of connecting pipe, and rotates on the fixed block and be connected with the screw rod, screw rod and collar threaded connection, the screw rod rotates with solid fixed ring to be connected.

In the lengthened inner-tooth elbow, one end of the screw, which is far away from the fixed block, is fixedly provided with a knob, and the side wall of the pipe body is provided with an arc-shaped groove matched with the knob.

Compared with the prior art, the utility model discloses the advantage lies in:

1: the length design of the lengthened elbow and the copper insert nut has the advantages that the situation that the installation is not enough due to the fact that tiles are pasted or cabinets are added can be avoided, damage to the elbow with the inner thread caused by forced screwing can also be avoided, and the lengthened elbow and the copper insert nut are suitable for various special environments.

2: the design of the stepped large-diameter flange of three-layer makes the fastness of the copper insert nut effectively ensured, prevents the cooperation of inflation snap ring and inflation seal groove, can be when hot water is carried, makes the upper, middle and lower triplex of copper insert nut all play the effect of restricting bloating, restricts the outer plastic of copper insert nut and expands by a wide margin.

3: through the cooperation of decompression groove and decompression go-between, reducible water impact improves copper insert nut and outsourcing plastics area of contact to copper insert nut's influence for copper insert nut keeps good sealing performance for a long time, no matter expend with heat and contract with cold closely detain mutually all the time, avoids appearing the problem of leaking.

4: through preventing excessively twisting the draw-in groove and preventing excessively twisting the cooperation of card post, can add the layer for equipment such as installation tap and protect, stop the screw thread and cross twisting and lead to droing and the fracture, the family water consumption is more comfortable, the design in raw material area for it is more convenient during the construction, need not manual winding raw material area, the practicality is strong.

5: through the cooperation of flexible pipe and connecting pipe, can keep away from the length of extension elbow one end to the body and control, be convenient for better carry out its and different positions between the pipeline be connected.

To sum up, the utility model discloses this tooth elbow in extension has that length is bigger, prevent the fracture, strong, prevent inflation, leak protection water, prevent excessively twisting and exempt from the advantage of raw material area, and it is more reliable convenient to use, and the practicality is stronger.

Drawings

FIG. 1 is a schematic structural view of an elongated inner elbow according to the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;

fig. 4 is an enlarged schematic view of the structure of part B in fig. 1.

In the figure: the three-layer stepped large-diameter flange comprises a pipe body 1, a lengthened elbow 2, a riveting groove 3, a copper insert nut 4, an expansion sealing groove 5, a pressure reducing groove 6, an over-screwing preventing clamping groove 7, a first check ring 8, a second check ring 9, an over-screwing preventing clamping column 10, a telescopic pipe 11, a connecting pipe 12, a fixing ring 13, a mounting ring 14, a fixing block 15, a screw 16, a knob 17, an arc-shaped groove 18 and a stepped large-diameter flange 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the lengthened inner-tooth elbow comprises a lengthened elbow 2 fixedly installed on a pipe body 1, wherein a riveting groove 3 is formed in the lengthened elbow 2, and a copper insert nut 4 is riveted in the riveting groove 3;

the above is noteworthy:

1. the length of the lengthened elbow 2 and the length of the copper insert nut 4 are both 50mm, the length design has the advantages that the lengthened elbow is longer than the length of a common lengthened elbow on the market, the lengthened elbow is suitable for various special reasons, pipelines are deeply buried and are not afraid, the situation that the installation is insufficient due to the fact that tiles are pasted or cabinets are added can be avoided, the situation that the inner wire elbow is damaged due to forced screwing can also be avoided, the copper insert nut 4 is formed by brass red punching under the European standard cw617N, the copper part is enlarged, the wall thickness is enhanced, and the bearing capacity is far beyond the national standard.

2. Fixedly mounted on the lateral wall of the copper insert nut 4 is a three-layer stepped large-diameter flange 19, and the firmness of the copper insert nut 4 is effectively guaranteed due to the design of the three-layer stepped large-diameter flange 19.

3. Three expansion seal groove 5 has been seted up on the lateral wall in riveting groove 3, and every expansion seal groove 5 is located the lower edge department of three-layer flange in the cascaded major diameter flange 19 of three-layer respectively, fixed mounting has three expansion snap ring of preventing on the lateral wall of copper insert nut 4, three expansion snap ring of preventing cooperatees with the expansion seal groove 5 that corresponds respectively, cooperation through three expansion snap ring of preventing and three expansion seal groove 5, can be when hot water is carried, make the upper and middle and lower triplex of copper insert nut 4 all play the limit inflation effect, the outer package plastics of restriction copper insert nut 4 expand by a wide margin.

4. The lateral wall of the riveting groove 3 is sequentially provided with a pressure reducing groove 6 and an over-screwing prevention clamping groove 7 from top to bottom, the lateral wall of the copper insert nut 4 is fixedly provided with a pressure reducing connecting ring and an over-screwing prevention clamping column 10 from top to bottom, the pressure reducing connecting ring and the over-screwing prevention clamping column 10 are respectively matched with the pressure reducing groove 6 and the over-screwing prevention clamping groove 7, through the matching of the pressure reducing groove 6 and the pressure reducing connecting ring, the influence of water flow impact on the copper insert nut 4 can be reduced, the contact area between the copper insert nut 4 and outer plastic is increased, the copper insert nut 4 can keep good sealing performance for a long time, no matter expansion and contraction are always tightly buckled, the problem of water leakage is avoided, through the matching of the over-screwing prevention clamping groove 7 and the over-screwing prevention clamping column 10, the device such as a water tap can be protected in a layering manner, the thread tooth is prevented from falling off and cracking due to over-screwing, and the household water is safer.

5. Install retaining ring one 8 and retaining ring two 9 in the copper insert nut 4, the copper insert nut 4 internal fixation is provided with the raw material area, the design in raw material area for it is more convenient during the construction, need not manual winding raw material area, and the practicality is strong.

6. The other end fixedly connected with of body 1 is flexible pipe 11, and the other end fixedly connected with connecting pipe 12 of flexible pipe 11, and through the cooperation of flexible pipe 11 with connecting pipe 12, can keep away from the length of extension elbow 2 one end to body 1 and control, be convenient for better carry on its and different positions between the pipeline be connected.

7. Fixed mounting has solid fixed ring 13 on the lateral wall of body 1, fixed mounting has collar 14 on the lateral wall of connecting pipe 12, fixed mounting has fixed block 15 on the lateral wall of connecting pipe 12, and rotate on the fixed block 15 and be connected with screw rod 16, screw rod 16 and collar 14 threaded connection, screw rod 16 rotates with solid fixed ring 13 and is connected, cooperation through screw rod 16 and collar 14, be convenient for control the interval of body 1 with connecting pipe 12 as required, thereby can reduce the length control degree of difficulty that body 1 kept away from extension elbow 2 one end, and adjust the precision more accurately, stability after the regulation is better.

8. A knob 17 is fixedly installed at one end of the screw 16 far away from the fixed block 15, and an arc-shaped groove 18 matched with the knob 17 is formed in the side wall of the pipe body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a tooth elbow in extension, includes extension elbow (2) of fixed mounting on body (1), its characterized in that, it has seted up riveting groove (3) on extension elbow (2), and has riveted copper insert nut (4) in riveting groove (3), fixed mounting has cascaded major diameter flange of three-layer (19) on the lateral wall of copper insert nut (4), seted up three expansion seal groove (5) on the lateral wall in riveting groove (3), and every expansion seal groove (5) are arranged in the lower edge department of cascaded major diameter flange of three-layer (19) respectively, from top to bottom seted up decompression groove (6) in proper order on the lateral wall in riveting groove (3) and prevented wrong draw-in groove (7), from top to bottom in proper order fixed mounting has three expansion-proof snap ring, a decompression and one to prevent wrong calorie of post (10), three prevent that the expansion snap ring cooperatees with corresponding expansion seal groove (5) respectively, decompression and prevent wrong calorie of post (10) cooperate with decompression groove (6) and wrong draw-in ring (7) respectively.

2. The extension elbow according to claim 1, wherein the extension elbow (2) and the copper insert nut (4) are 50mm in length, and the copper insert nut (4) is red-stamped from brass of the european standard cw 617N.

3. The extension internal thread elbow according to claim 1, wherein a first check ring (8) and a second check ring (9) are installed in the copper insert nut (4), and a raw material belt is fixedly arranged in the copper insert nut (4).

4. The extension elbow according to claim 1, wherein the other end of the pipe body (1) is fixedly connected with a telescopic pipe (11), and the other end of the telescopic pipe (11) is fixedly connected with a connecting pipe (12).

5. The lengthened internal thread elbow as claimed in claim 4, wherein the side wall of the pipe body (1) is fixedly provided with a fixing ring (13), the side wall of the connecting pipe (12) is fixedly provided with a mounting ring (14), the side wall of the connecting pipe (12) is fixedly provided with a fixing block (15), the fixing block (15) is rotatably connected with a screw rod (16), the screw rod (16) is in threaded connection with the mounting ring (14), and the screw rod (16) is rotatably connected with the fixing ring (13).

6. The lengthened internal tooth elbow as claimed in claim 5, wherein a knob (17) is fixedly mounted at one end of the screw rod (16) far away from the fixed block (15), and an arc-shaped groove (18) matched with the knob (17) is formed in the side wall of the pipe body (1).

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