CN218645025U - Elbow joint not easy to fall off - Google Patents

Elbow joint not easy to fall off Download PDF

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Publication number
CN218645025U
CN218645025U CN202223130077.XU CN202223130077U CN218645025U CN 218645025 U CN218645025 U CN 218645025U CN 202223130077 U CN202223130077 U CN 202223130077U CN 218645025 U CN218645025 U CN 218645025U
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Prior art keywords
pipe
annular groove
elbow
cavity
spring
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CN202223130077.XU
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Chinese (zh)
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孙建军
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Nantong Gaoxin Pipe Fittings Manufacturing Co ltd
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Nantong Gaoxin Pipe Fittings Manufacturing Co ltd
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Abstract

The utility model discloses a return bend that is difficult for droing connects. The elbow fitting includes an elbow body; the pipe wall between the annular groove of the bent pipe body and the inner side of the bent pipe body is inserted into the insertion groove of the straight pipe to realize the connection of the bent pipe body and the straight pipe; a cavity communicated with the annular groove is formed in the outer side of the pipe wall of the end part of the elbow body, a spring is arranged in the cavity, one end of the spring is fixedly connected with one side, close to the annular groove, of the cavity, a lock rod is sleeved in the spring, and the lock rod is fixedly connected with the other end of the spring; one end of the spring, which is far away from the annular groove, is in contact with a push plate; one side of the cavity far away from the annular groove is communicated with an opening; the side of the cavity is communicated with a locking groove. The utility model has the advantages that: when the elbow connector is connected with the straight pipe, the connection between the elbow body and the straight pipe is realized in a multi-layer sleeving mode, and after the elbow body and the straight pipe are sleeved, the elbow body and the straight pipe are locked through the lock rod, so that the connecting structure of the elbow body and the straight pipe is more stable, the elbow body and the straight pipe are not easy to fall off, the disassembly and assembly operation is more convenient, and the sealing effect is better.

Description

Elbow joint not easy to fall off
Technical Field
The utility model relates to a coupling technical field, concretely relates to elbow fitting that is difficult for droing.
Background
The bent pipe is bent by a set of bending die and is divided into two processes of cold roasting and hot pushing. The straight pipes need to be turned, the end parts of the two straight pipes need to be connected through the elbow joint, and the connected pipelines are mainly used for oil transportation, gas transportation, liquid transportation and the like.
In the prior art, patent CN201520528273.3 discloses a bent pipe joint, which is connected by two connecting pipe threads to realize the connection of two joints. But threaded connection's mode is unstable, if one of them connecting pipe produces and rotates, threaded connection then can produce not hard up, and the connection between the pipeline has the risk that drops, and the screw thread connects the time need rotate the straight tube in succession and realize connecting, and longer straight tube rotation operation is very troublesome, and the dismouting operation between elbow fitting and the straight tube is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bent pipe joint who is difficult for droing to it has the inconvenient problem of dismouting operation between risk, bent pipe joint and the straight tube that drops to solve the connection between the pipeline that provides in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: elbow fitting's both ends respectively with the end connection of straight tube, its characterized in that: the pipe bending device comprises a pipe bending body, wherein the thickness of the pipe wall of the end part of the pipe bending body is larger than the thickness of the pipe wall of the middle part of the pipe bending body;
the inner part of the pipe wall at the end part of the elbow body is provided with an annular groove for the end part of the straight pipe to be sleeved in, the inner part of the pipe wall at the end part of the straight pipe is provided with an inserting groove, and the pipe wall between the annular groove of the elbow body and the inner side of the elbow body is inserted in the inserting groove of the straight pipe to realize the connection of the elbow body and the straight pipe;
a cavity communicated with the annular groove is formed in the outer side of the pipe wall of the end part of the elbow body, a spring is arranged in the cavity, one end of the spring is fixedly connected with one side, close to the annular groove, of the cavity, a lock rod is sleeved in the spring and fixedly connected with the other end of the spring, a through hole for the lock rod to penetrate through is formed in the pipe wall between the annular groove of the elbow body and the inner side of the elbow body, and a lock hole for the lock rod to penetrate through is correspondingly formed in the end part of the straight pipe;
one end of the spring, which is far away from the annular groove, is provided with a push plate in a contact manner, and the push plate is arranged in the cavity;
an opening is communicated with one side of the cavity, which is far away from the annular groove, the diameter of the opening is smaller than that of the cavity, and the length of the push plate is larger than that of the opening;
the side intercommunication of cavity has the locking groove, the push pedal card is located and is locked the locking lever in the locking groove.
Preferably, one side of the push plate close to the opening is provided with a groove for pushing.
Preferably, the outer side of the straight pipe is fixedly sleeved with a lantern ring, one side of the lantern ring close to the end part of the straight pipe is provided with an annular socket, and the pipe wall of the outer side of the annular groove of the elbow body is sleeved in the annular socket.
Preferably, a sealing ring is arranged between the end part of the pipe wall outside the annular groove of the elbow body and the inner wall of the sleeve ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the elbow joint is connected with the straight pipe, the annular groove of the elbow body and the pipe wall between the inner sides of the pipe are inserted into the insertion groove of the straight pipe, and the pipe wall outside the annular groove of the elbow body is sleeved in the annular sleeve joint of the sleeve ring outside the straight pipe, so that the connection between the elbow body and the straight pipe is realized, and compared with a threaded connection mode, the sleeved connection mode is more convenient to assemble and disassemble;
2. after the bent pipe body is sleeved with the straight pipe, a sealing ring is arranged between the end part of the bent pipe body and the inner wall of the lantern ring, so that a better sealing effect is achieved;
3. after the return bend body cup joints with the straight tube, press the push pedal and can compress the spring, can promote the lockhole that perforation, the tip of straight tube that sets up on the pipe wall between the ring channel of return bend body and the intraductal side of locking lever set up simultaneously, promote the push pedal and make the push pedal card advance the locking inslot, with return bend body and straight tube locking, compare the connected mode of screw thread, the connection structure of return bend body and straight tube is more firm, is difficult for droing.
Drawings
FIG. 1 is a schematic structural view of the present invention showing the unlocked state of the elbow joint and the straight pipe;
fig. 2 is a schematic view of an end structure of the elbow joint of the present invention;
FIG. 3 is an enlarged view of the structure of area A in FIG. 1;
FIG. 4 is a schematic view of the connection and locking state of the elbow joint and the straight pipe according to the present invention;
fig. 5 is an enlarged schematic view of the structure of the region B in fig. 4.
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.
The first embodiment is as follows:
referring to fig. 1 and 2, the present embodiment provides a pipe bending joint not easy to fall off, including a pipe bending body 1, wherein a thickness of a pipe wall at an end portion of the pipe bending body 1 is greater than a thickness of a pipe wall at a middle portion of the pipe bending body 1, so that a structure of a connection portion between pipes is firmer.
The inside of the tip pipe wall of return bend body 1 is equipped with the ring channel 11 that supplies the tip of straight tube 2 to embolia, and the inside of the tip pipe wall of straight tube 2 is equipped with the inserting groove, and the ring channel 11 of return bend body 1 and the pipe wall between the return bend body 1 inboard are pegged graft and are realized cup jointing of return bend body 1 and straight tube 2 in the inserting groove of straight tube 2, and the connected mode dismouting operation of cup jointing is more convenient.
As shown in fig. 3, a cavity 12 communicated with the annular groove 11 is arranged on the outer side of the pipe wall of the end portion of the elbow body 1, a spring 13 is arranged in the cavity 12, one end of the spring 13 is fixedly connected with one side of the cavity 12 close to the annular groove 11, a lock rod 14 is sleeved in the spring 13, the other end of the lock rod 14 is fixedly connected with the other end of the spring 13, the spring 13 can drive the lock rod 14 to press down and reset while compressing and rebounding, a through hole 15 for the lock rod 14 to pass through is arranged on the pipe wall between the annular groove 11 of the elbow body 1 and the inner side of the elbow body 1, a lock hole 21 for the lock rod 14 to penetrate through is correspondingly arranged at the end portion of the straight pipe 2, after the elbow body 1 is sleeved with the straight pipe 2, the lock rod 14 pushes the through hole 15 arranged on the pipe wall between the annular groove 11 of the elbow body 1 and the pipe inner side, and the lock hole 21 arranged at the end portion of the straight pipe 2, the elbow body 1 and the straight pipe 2 can be locked, the elbow body 1 and the straight pipe 2 are more stable in connection structure, and are not easy to fall off.
One end of the spring 13, which is far away from the annular groove 11, is provided with a push plate 16 in a contact manner, the push plate 16 is arranged in the cavity 12, the spring 13 can be compressed by pressing the push plate 16, meanwhile, the lock rod 14 is pushed into the through hole 15 and the lock hole 21, the push plate 16 moves in the cavity 12, and when the spring 13 rebounds, the push plate 16 can be driven to reset.
The side of the cavity 12 far away from the annular groove 11 is communicated with an opening 17, the diameter of the opening 17 is smaller than that of the cavity 12, the length of the push plate 16 is larger than that of the opening 17, the opening 17 is used for pushing the push plate 16 through manual operation, and the push plate 16 is limited to move in the cavity 12.
The side intercommunication of cavity 12 has locking groove 121, and the push pedal 16 card is located and is obtained the position locking in locking groove 121, can carry out the position locking with locking lever 14, and one side that the push pedal 16 is close to opening 17 is equipped with the recess that is used for promoting, is convenient for carry out the level to push pedal 16 and promotes, pushes away push pedal 16 to locking inslot joint of groove 121 fixed to and promote push pedal 16 and leave locking groove 121, make spring 13 obtain the release.
When the elbow joint is connected with the straight pipe 2, the pipe wall between the annular groove 11 of the elbow body 1 and the inner side of the pipe is inserted into the insertion groove of the straight pipe 2, so that the connection between the elbow body 1 and the straight pipe 2 is realized, and the disassembly and assembly operation of the sleeved connection mode is more convenient, as shown in fig. 4 and 5, after the elbow body 1 is sleeved with the straight pipe 2, the spring 13 can be compressed by pressing the push plate 16, meanwhile, the lock rod 14 can be pushed into the through hole 15 arranged on the pipe wall between the annular groove 11 of the elbow body 1 and the inner side of the pipe, and the lock hole 21 arranged at the end part of the straight pipe 2, and the push plate 16 is pushed in a translation manner to enable the push plate 16 to be clamped into the lock groove 121, so that the elbow body 1 is locked with the straight pipe 2, compared with a threaded connection mode, the connection structure between the elbow body 1 and the straight pipe 2 is more stable and is not easy to fall off, when the elbow body 1 and the straight pipe 2 need to be disassembled, the elbow body 1 and the straight pipe 2, the straight pipe 16 are pushed reversely so that the push plate 16 leaves the lock groove 121, the spring 13 is released, the spring 13 drives the lock rod 14 and the push plate 16 to reset, and the push plate 2 to be pulled away, and the straight pipe 2 to be separated from each other, and the straight pipe 2 to separate the straight pipe 2.
The second embodiment:
the difference between this embodiment and the first embodiment is: as shown in fig. 3 and 5, the fixed cover in the outside of straight tube 2 is equipped with lantern ring 22, one side that lantern ring 22 is close to the straight tube 2 tip is equipped with annular socket joint, the pipe wall cover in the annular groove 11 outside of return bend body 1 is located in the annular socket joint, it realizes being connected to cup joint through the multilayer between return bend body 1 and the straight tube 2, it is more firm to connect, be equipped with sealing washer 23 between the tip of the pipe wall in the annular groove 11 outside of return bend body 1 and the inner wall of lantern ring 22, can make to have better sealed effect after cup jointing between return bend body 1 and the straight tube 2.
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 (4)

1. The utility model provides a bent pipe joint that is difficult for droing, bent pipe joint's both ends respectively with the end connection of straight tube, its characterized in that: the pipe bending device comprises a pipe bending body, wherein the thickness of the pipe wall of the end part of the pipe bending body is larger than the thickness of the pipe wall of the middle part of the pipe bending body;
the inner part of the pipe wall at the end part of the bent pipe body is provided with an annular groove for the end part of the straight pipe to be sleeved in, the inner part of the pipe wall at the end part of the straight pipe is provided with an inserting groove, and the pipe wall between the annular groove of the bent pipe body and the inner side of the bent pipe body is inserted in the inserting groove of the straight pipe to realize the connection of the bent pipe body and the straight pipe;
the outer side of the pipe wall of the end part of the elbow pipe body is provided with a cavity communicated with the annular groove, a spring is arranged in the cavity, one end of the spring is fixedly connected with one side of the cavity close to the annular groove, a lock rod is sleeved in the spring and fixedly connected with the other end of the spring, a through hole for the lock rod to pass through is formed in the pipe wall between the annular groove of the elbow pipe body and the inner side of the elbow pipe body, and the end part of the straight pipe is correspondingly provided with a lock hole for the lock rod to pass through;
one end of the spring, which is far away from the annular groove, is provided with a push plate in a contact manner, and the push plate is arranged in the cavity;
an opening is communicated with one side of the cavity, which is far away from the annular groove, the diameter of the opening is smaller than that of the cavity, and the length of the push plate is larger than that of the opening;
the side intercommunication of cavity has the locking groove, the push pedal card is located and is locked the locking lever in the locking groove.
2. A non-shedding elbow fitting, according to claim 1, characterized in that: one side of the push plate close to the opening is provided with a groove for pushing.
3. A non-shedding elbow fitting, according to claim 1, characterized in that: the outer side of the straight pipe is fixedly sleeved with a lantern ring, one side of the lantern ring, which is close to the end part of the straight pipe, is provided with an annular socket, and the pipe wall of the outer side of the annular groove of the bent pipe body is sleeved in the annular socket.
4. A non-shedding elbow fitting according to claim 3, wherein: and a sealing ring is arranged between the end part of the pipe wall outside the annular groove of the elbow body and the inner wall of the sleeve ring.
CN202223130077.XU 2022-11-24 2022-11-24 Elbow joint not easy to fall off Active CN218645025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223130077.XU CN218645025U (en) 2022-11-24 2022-11-24 Elbow joint not easy to fall off

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223130077.XU CN218645025U (en) 2022-11-24 2022-11-24 Elbow joint not easy to fall off

Publications (1)

Publication Number Publication Date
CN218645025U true CN218645025U (en) 2023-03-17

Family

ID=85499601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223130077.XU Active CN218645025U (en) 2022-11-24 2022-11-24 Elbow joint not easy to fall off

Country Status (1)

Country Link
CN (1) CN218645025U (en)

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