CN212338520U

CN212338520U - External thread elbow for pipeline connection

Info

Publication number: CN212338520U
Application number: CN202020867499.7U
Authority: CN
Inventors: 卢秀章
Original assignee: Zhejiang Yide Hardware Co ltd
Current assignee: Zhejiang Yide Hardware Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-12
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a pipe connection is with outer silk elbow, including tube core and pipe box, pipe box one end seted up with tube core tip assorted through-hole, the tube core is pegged graft at the pipe box tip, square groove has been seted up to tube core one end tip, the utility model discloses peg graft the tube core in pipe box tip through-hole, the increase of tube core lateral wall has the square groove of barricade structure, makes things convenient for the joint inside the pipe box that has the lug. The inseparable joint of lug is in square inslot, prevent that the tube core from taking place to rotate in the tube sleeve is inside, guarantee tube core and tube box connection structure's stability, it has the bar groove to prefabricate in the middle of the tube core, the inside card strip of cooperation tube sleeve, card strip joint is in the middle of the bar groove, can prevent that the outside pine of tube core from taking off, further guarantee tube core and tube box connection structure's stability, and increase the nut in the middle of the tube core, conveniently rotate outer silk elbow subassembly, install outer silk elbow on other nozzles, the external screw thread is used for cooperation installation nut or other internal thread nozzle subassemblies.

Description

External thread elbow for pipeline connection

Technical Field

The utility model relates to an elbow technical field specifically is a thread bend outside for pipe connection.

Background

Elbows are in pipe systems, elbows are pieces of pipe that change the direction of the pipe. The angle is divided into 45 degrees, 90 degrees and 180 degrees, which are the most commonly used, and other abnormal angle elbows of 60 degrees and the like are also included according to engineering requirements. The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics, etc. The connection with the pipe is as follows: direct welding (the most common way) flange connections, hot melt connections, electrofusion connections, screw connections, socket connections, etc. The production process comprises the following steps: welding elbows, stamping elbows, pushing elbows, casting elbows, butt welding elbows, and the like. Other names: 90 degree elbows, quarter bends, and the like.

In the use process of the existing elbow, if the force applied to the elbow is too large, the pipe core of the elbow is easy to fall out of the pipe sleeve, so that the pipe sleeve and the pipe core are deformed and even separated, and the service life of the elbow is influenced.

Therefore, the outer wire elbow for pipeline connection is provided to solve the problems in the prior art, so that the strength of the connection part of the pipe core and the pipe sleeve of the elbow is improved, and the service life of the elbow is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe connection is with outer silk elbow to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipe connection is with outer silk elbow, includes tube core and pipe box, pipe box one end seted up with tube core tip assorted through-hole, the tube core is pegged graft at the pipe box tip, square groove has been seted up to tube core one end tip, just tube core lateral wall integrated into one piece has the barricade that is located square groove edge, the pipe box inner wall set up with square groove assorted lug, the inseparable joint of lug is in the middle of square groove, prefabricated bar groove in the middle of the tube core, the pipe box inside wall seted up with bar groove assorted card strip, card strip joint is in the middle of the bar groove, the prefabricated external screw thread of tube core other end tip, the welding has the nut in the middle of the tube core, the external screw thread tip.

Preferably, the lateral wall of the retaining wall is of an inclined plane structure, and the lower end of the inclined plane structure extends to the lateral wall of the square groove.

Preferably, the other end of the pipe sleeve is provided with an interface, and the interface is communicated with the pipe core through a through hole in the pipe sleeve.

Preferably, a clamping block positioned on the outer side of the interface is bonded to the end part of the pipe sleeve, and the side wall of the clamping block extends to the side wall of the interface.

Preferably, the side wall of the nut is welded with a baffle, and the side wall of the pipe sleeve is provided with an avoiding groove structure matched with the baffle.

Preferably, the side wall of the pipe sleeve is prefabricated with anti-slip stripes, and the middle position of the pipe sleeve is of an arc-shaped edge structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses peg graft the tube core in pipe box tip through-hole, the tube core lateral wall increases the square groove that has retaining wall structure, makes things convenient for the joint inside the pipe box that has the lug. The inseparable joint of lug is in square inslot, prevent that the tube core from taking place to rotate in the tube sleeve is inside, guarantee tube core and tube box connection structure's stability, it has the bar groove to prefabricate in the middle of the tube core, the inside card strip of cooperation tube sleeve, card strip joint is in the middle of the bar groove, can prevent that the outside pine of tube core from taking off, further guarantee tube core and tube box connection structure's stability, and increase the nut in the middle of the tube core, conveniently rotate outer silk elbow subassembly, install outer silk elbow on other nozzles, the external screw thread is used for cooperation installation nut or other internal thread nozzle subassemblies.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the connection structure of the tube core and the tube sleeve of the present invention.

In the figure: 1 tube core, 2 tube sleeves, 3 square grooves, 4 retaining walls, 5 bumps, 6 strip-shaped grooves, 7 clamping strips, 8 external threads, 9 nuts, 10 interfaces, 11 clamping blocks, 12 baffles and 13 anti-slip stripes.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an external thread elbow for pipeline connection comprises a pipe core 1 and a pipe sleeve 2, wherein one end of the pipe sleeve 2 is provided with a through hole matched with the end part of the pipe core 1, the pipe core 1 is inserted at the end part of the pipe sleeve 2, one end part of the pipe core 1 is provided with a square groove 3, and the side wall of the tube core 1 is integrally formed with a retaining wall 4 positioned at the edge of the square groove 3, the inner wall of the tube sleeve 2 is provided with a convex block 5 matched with the square groove 3, the convex block 5 is tightly clamped in the middle of the square groove 3, a strip-shaped groove 6 is prefabricated in the middle of the tube core 1, the inner side wall of the tube sleeve 2 is provided with a clamping strip 7 matched with the strip-shaped groove 6, the clamping strip 7 is clamped in the middle of the strip-shaped groove 6, the end part of the other end of the tube core 1 is prefabricated with an external thread 8, the middle of the tube core 1 is welded with a nut 9, the, the side wall of the tube core 1 is additionally provided with a square groove 3 with a retaining wall 4 structure, so that the tube core is conveniently clamped inside the tube sleeve 2 with a lug 5. The inseparable joint of lug 5 is in square groove 3, prevent that tube core 1 from taking place to rotate in 2 inside occurrences of pipe box, guarantee tube core 1 and 2 connection structure's of pipe box stability, prefabricated bar groove 6 in the middle of tube core 1, 2 inside card strip 7 of cooperation pipe box, 7 joints of card strip are in the middle of bar groove 6, can prevent that tube core 1 from outwards loosening and taking off, further guarantee tube core 1 and 2 connection structure's of pipe box stability, and increase nut 9 in the middle of tube core 1, conveniently rotate outer silk elbow subassembly, install outer silk elbow on other nozzles, external screw thread 8 is used for cooperation mounting nut or other internal thread nozzle subassemblies.

Specifically, the lateral wall of retaining wall 4 is the inclined plane structure, and the inclined plane structure lower extreme extends to 3 lateral walls of square groove, interface 10 has been seted up to the pipe box 2 other end, interface 10 and tube core 1 are through the inside through-hole intercommunication of pipe box 2, 2 tip bonds of pipe box has the fixture block 11 that is located the interface 10 outside, the fixture block 11 lateral wall extends to the interface 10 lateral wall, the welding of nut 9 lateral wall has baffle 12, 2 lateral walls of pipe box have been seted up with baffle 12 assorted dodge the groove structure, 2 lateral walls of pipe box prefabricate there is anti-skidding stripe 13, 2 intermediate positions of pipe box.

The structure principle is as follows: the tube core 1 is inserted into the through hole at the end part of the tube sleeve 2, and the side wall of the tube core 1 is additionally provided with the square groove 3 with the retaining wall 4 structure, so that the tube core is conveniently clamped inside the tube sleeve 2 with the lug 5. The inseparable joint of lug 5 is in square groove 3, prevent that tube core 1 from taking place to rotate in 2 inside occurrences of pipe box, guarantee tube core 1 and 2 connection structure's of pipe box stability, prefabricated bar groove 6 in the middle of tube core 1, 2 inside card strip 7 of cooperation pipe box, 7 joints of card strip are in the middle of bar groove 6, can prevent that tube core 1 from outwards loosening and taking off, further guarantee tube core 1 and 2 connection structure's of pipe box stability, and increase nut 9 in the middle of tube core 1, conveniently rotate outer silk elbow subassembly, install outer silk elbow on other nozzles, external screw thread 8 is used for cooperation mounting nut or other internal thread nozzle subassemblies.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outer silk elbow for pipe connection, includes pipe core (1) and pipe box (2), its characterized in that: one end of the pipe sleeve (2) is provided with a through hole matched with the end part of the pipe core (1), the tube core (1) is inserted at the end part of the tube sleeve (2), a square groove (3) is arranged at one end part of the tube core (1), and the side wall of the tube core (1) is integrally formed with a retaining wall (4) positioned at the edge of the square groove (3), the inner wall of the pipe sleeve (2) is provided with a convex block (5) matched with the square groove (3), the convex block (5) is tightly clamped in the middle of the square groove (3), a strip-shaped groove (6) is prefabricated in the middle of the tube core (1), the inner side wall of the pipe sleeve (2) is provided with a clamping strip (7) matched with the strip-shaped groove (6), the clamping strip (7) is clamped in the middle of the strip-shaped groove (6), an external thread (8) is prefabricated at the end part of the other end of the tube core (1), the middle of the tube core (1) is welded with a nut (9), and the end part of the external thread (8) extends to the side wall of the nut (9).

2. The external thread elbow for pipe connection according to claim 1, wherein: the side wall of the retaining wall (4) is of an inclined plane structure, and the lower end of the inclined plane structure extends to the side wall of the square groove (3).

3. The external thread elbow for pipe connection according to claim 1, wherein: an interface (10) is arranged at the other end of the pipe sleeve (2), and the interface (10) is communicated with the pipe core (1) through a through hole in the pipe sleeve (2).

4. The external thread elbow for pipe connection according to claim 3, wherein: the end part of the pipe sleeve (2) is bonded with a fixture block (11) positioned on the outer side of the interface (10), and the side wall of the fixture block (11) extends to the side wall of the interface (10).

5. The external thread elbow for pipe connection according to claim 1, wherein: the side wall of the nut (9) is welded with a baffle (12), and the side wall of the pipe sleeve (2) is provided with an avoiding groove structure matched with the baffle (12).

6. The external thread elbow for pipe connection according to claim 1, wherein: the anti-skid pipe is characterized in that anti-skid stripes (13) are prefabricated on the side wall of the pipe sleeve (2), and the middle position of the pipe sleeve (2) is of an arc-shaped edge structure.