CN222277832U - A kind of flexible elbow - Google Patents
A kind of flexible elbow Download PDFInfo
- Publication number
- CN222277832U CN222277832U CN202420214241.5U CN202420214241U CN222277832U CN 222277832 U CN222277832 U CN 222277832U CN 202420214241 U CN202420214241 U CN 202420214241U CN 222277832 U CN222277832 U CN 222277832U
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- Prior art keywords
- joint
- nut
- ring
- block
- protruding block
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
本实用新型涉及一种活接弯头，包括螺母和接头，接头为直角弯状，接头的外周壁一端设有用于连接橡胶管的连接单元，接头的外周壁另一端设有一圈径向凸起块，螺母的轴向一端设有一圈套接凸起，套接凸起的内径大于径向凸起块的外径，螺母通过套接凸起套入接头的径向凸起块内，并通过专用模具将套接凸起冲压向内折弯并与径向凸起块的一端面相抵限位；本实用新型在螺母的一端设套接凸起，并通过专用模具将套接凸起冲压折弯与接头的径向凸起块一端面相抵限位，这样使得在直角弯状的接头上套接更为方便，并能确保螺母不易滑脱接头，稳定性能更好。
The utility model relates to a flexible joint, comprising a nut and a joint, wherein the joint is in the shape of a right-angle bend, a connecting unit for connecting a rubber tube is provided at one end of the outer peripheral wall of the joint, a circle of radial protrusion blocks is provided at the other end of the outer peripheral wall of the joint, a circle of sleeve protrusions is provided at one axial end of the nut, the inner diameter of the sleeve protrusions is larger than the outer diameter of the radial protrusion blocks, the nut is sleeved into the radial protrusion blocks of the joint through the sleeve protrusions, and the sleeve protrusions are stamped and bent inwardly through a special mold and are limited against one end face of the radial protrusion blocks of the joint; the utility model provides a sleeve protrusion at one end of the nut, and the sleeve protrusions are stamped and bent through a special mold and are limited against one end face of the radial protrusion blocks of the joint, so that it is more convenient to sleeve on the right-angle bend joint, and it can ensure that the nut is not easy to slip off the joint, and the stability performance is better.
Description
Technical Field
The utility model belongs to the technical field of pipeline connectors, and particularly relates to a loose joint elbow.
Background
The movable joint is generally applied to pipeline connection, can be widely applied to pipelines with different calibers, can be also used for water meters and valves, is a common pipeline connecting piece capable of being conveniently installed and detached, has the advantages of wide application, easy installation and detachment, quick connection and easy management and maintenance, but the joints of the conventional movable joint are in elbow shapes, so that nuts are difficult to be sleeved in the joints, particularly the elbow positions, and are difficult to be sleeved in the joints, the trouble of installation between the nuts is caused, particularly the joints in elbow shapes are usually provided with limiting blocks when the joints are connected with rubber pipelines, so that the nuts are more difficult to be sleeved in the joints, and the movable joint elbow after installation sometimes causes the occurrence of the condition of nut slipping.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide the loose joint elbow which is convenient to sleeve and can ensure that a nut is not easy to slip off.
The movable joint elbow comprises a nut and a joint, wherein the joint is in a right-angle bent shape, a connecting unit for connecting a rubber tube is arranged at one end of the outer peripheral wall of the joint, a circle of radial protruding blocks is arranged at the other end of the outer peripheral wall of the joint, a ring sleeving protruding is arranged at one axial end of the nut, the inner diameter of the sleeving protruding is larger than the outer diameter of the radial protruding blocks, the nut is sleeved into the radial protruding blocks of the joint through the sleeving protruding, and the sleeving protruding is punched and bent inwards through a special die and is propped against one end face of the radial protruding blocks to limit.
Compared with the prior art, the nut has the beneficial effects that the sleeve joint bulge is arranged at one end of the nut, and the sleeve joint bulge is stamped and bent to prop against one end face of the radial bulge block of the joint to limit through the special die, so that sleeve joint is more convenient on the right-angle bent joint, the nut is prevented from slipping off the joint easily, and the stability is better.
The sleeve joint protrusion is integrally formed at one axial end of the nut and is inclined inwards along the axial core wire of the nut, so that the connection performance between the sleeve joint protrusion and the nut is better, cracks between the sleeve joint protrusion and the nut can not be generated due to stamping bending of the sleeve joint protrusion, the sleeve joint protrusion is distributed in an inclined manner, and the special die is convenient for stamping bending of the sleeve joint protrusion.
Preferably, the sleeve joint protrusion comprises a circle of flanging and a connecting block, the flanging and the connecting block are integrally formed, the connecting block is integrally formed at one axial end of the nut, the flange is inwards inclined along the axial core wire of the nut, the connecting block is parallel to the axial core wire of the nut, the inner diameter of the circle of flanging is larger than the outer diameter of the radial protrusion block, and through the arrangement of the structure, the special die can realize the abutting limit of the sleeve joint protrusion and one end surface of the radial protrusion block of the joint only by punching and bending the circle of flanging, so that the sleeve joint protrusion is convenient to punch and bend and stable in structural performance.
Preferably, the outer diameter of the other end of the outer peripheral wall of the joint is smaller than the outer diameter of the joint, the outer peripheral wall of the joint at the end and the radial protruding block form a step surface, a sealing ring is arranged through the step surface in a limiting mode, and the sealing ring is convenient to install through the step surface.
Preferably, the inner peripheral wall of the nut is provided with an internal thread, the internal thread is connected with the pipeline, the internal diameter of the internal thread is larger than the outer diameter of the radial protruding block, the connection of the nut and the pipeline is facilitated, and meanwhile the insertion between the joint and the nut is also facilitated.
Preferably, the connecting unit comprises a plurality of connecting rings and transition rings, wherein the connecting rings and the transition rings are arranged on the outer circumferential wall of the joint, the connecting rings are sequentially distributed at equal intervals along the axial direction of the joint, the transition rings are positioned at the tail ends of the connecting rings, limiting blocks are further arranged on the outer circumferential wall of the joint at the transition rings, and through the arrangement of the structure, the rubber tube and the connecting unit of the joint are more convenient in the connecting process, the sealing performance and the stability after the connection are better, and the limiting blocks can be used for well limiting.
Preferably, the connecting ring and the transition ring are in a reverse taper shape, and the outer diameter of the transition ring is larger than that of the connecting ring, so that the rubber tube is conveniently inserted into the connecting unit of the joint, and the rubber tube and the connecting unit are conveniently inserted.
Drawings
Fig. 1 is a schematic view of the structure of the loose-joint elbow of the present utility model prior to assembly.
Fig. 2 is a schematic view of the assembled loose-joint elbow of the present utility model.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
The reference numbers in the drawings are respectively 1, a nut, 2, a connector, 3, a connecting unit, 4, a sleeving bulge, 11, an internal thread, 21, a radial bulge block, 22, a step surface, 31, a connecting ring, 32, a transition ring, 33, a limiting block, 41, a flanging, 42 and a connecting block.
Detailed Description
The utility model will be described in detail below with reference to the accompanying drawings, as shown in fig. 1 to 3, the utility model comprises a nut 1 and a joint 2, the joint 2 is in a right angle bend shape, one end of the outer peripheral wall of the joint 2 is provided with a connecting unit 3 for connecting a rubber tube, the other end of the outer peripheral wall of the joint 2 is provided with a circle of radial protruding block 21, one axial end of the nut 1 is provided with a snare joint protrusion 4, the inner diameter of the snare joint protrusion 4 is larger than the outer diameter of the radial protruding block 21, the nut 1 is sleeved into the radial protruding block 21 of the joint 2 through the snare joint protrusion 4, and the snare joint protrusion 4 is punched inwards by a special die and is propped against one end face of the radial protruding block 21 to limit.
The sleeve joint protrusion 4 is integrally formed on one axial end of the nut 1 and is inclined inwards along the axial core line of the nut 1.
The sleeve joint bulge 4 comprises a circle of flanging 41 and a connecting block 42, the flanging 41 and the connecting block 42 are integrally formed, the connecting block 42 is integrally formed at one axial end of the nut 1, the flanging 41 is inclined inwards along the axial core wire of the nut 1, the connecting block 42 is distributed in parallel along the axial core wire of the nut 1, and the inner diameter of the circle of flanging 41 is larger than the outer diameter of the radial bulge block 21.
The outer diameter of the other end of the outer peripheral wall of the joint 2 is smaller than the outer diameter of the joint 2, the outer peripheral wall of the joint 2 at the other end and the radial protruding block 21 form a step surface 22, and a sealing ring is arranged and limited through the step surface 22.
The inner peripheral wall of the nut 1 is provided with an internal thread 11, the nut is connected with a pipeline through the internal thread 11, and the internal diameter of the internal thread 11 is larger than the external diameter of the radial protruding block 22.
The connecting unit 3 comprises a connecting ring 31 and a transition ring 32 which are arranged on the outer circumferential wall of the joint 2, wherein the connecting ring 31 is provided with a plurality of connecting rings which are distributed at equal intervals along the axial direction of the joint 2, the transition ring 32 is positioned at the connecting ring 31 at the tail end, and a limiting block 33 is further arranged on the outer circumferential wall of the joint 2 at the transition ring 32.
The connecting ring 31 and the transition ring 32 are both in the shape of an inverted cone, and the outer diameter of the transition ring 32 is larger than the outer diameter of the connecting ring 31.
The working principle of the utility model is that firstly, a nut 1 with a ring sleeved with a bulge 4 is sleeved into a radial bulge 21 of a joint 2, then, the sleeved nut 1 and the joint 2 are put into a die cavity of a lower die together, and finally, a flanging 41 of the sleeved bulge 4 is punched and bent inwards by a punch clamp of an upper die and is propped against one end face of the radial bulge 21 to limit.
The present utility model is not limited to the above embodiments, and any modification of the structural design provided by the present utility model, regardless of any changes in shape or material composition, should be considered as being within the scope of the present utility model.
Claims (7)
1. A loose joint elbow comprises a nut (1) and a joint (2), and is characterized in that the joint (2) is in a right-angle bent shape, a connecting unit (3) used for connecting a rubber tube is arranged at one end of the outer peripheral wall of the joint (2), a circle of radial protruding block (21) is arranged at the other end of the outer peripheral wall of the joint (2), a ring sleeving protruding block (4) is arranged at one axial end of the nut (1), the inner diameter of the sleeving protruding block (4) is larger than the outer diameter of the radial protruding block (21), the nut (1) is sleeved in the radial protruding block (21) of the joint (2) through the sleeving protruding block (4), and the sleeving protruding block (4) is punched inwards to be bent and abutted against one end face of the radial protruding block (21) to be limited through a special die.
2. The loose-joint elbow according to claim 1, wherein the sleeve-joint protrusion (4) is integrally formed on one axial end of the nut (1) and is inclined inward along the axial core line of the nut (1).
3. The loose-joint elbow according to claim 1 or 2, wherein the sleeve joint protrusion (4) comprises a circle of flanging (41) and a connecting block (42), the flanging (41) and the connecting block (42) are integrally formed, the connecting block (42) is integrally formed on one axial end of the nut (1), the flanging (41) is inclined inwards along the axial core line of the nut (1), the connecting block (42) is distributed in parallel along the axial core line of the nut (1), and the inner diameter of the circle of flanging (41) is larger than the outer diameter of the radial protrusion block (21).
4. The loose-joint elbow according to claim 1, wherein the outer diameter of the other end of the outer peripheral wall of the joint (2) is smaller than the outer diameter of the joint (2), the outer peripheral wall of the joint (2) at the end and the radial protruding block (21) form a step surface (22), and a limit seal ring is arranged through the step surface (22).
5. The loose joint elbow according to claim 1, wherein the inner peripheral wall of the nut (1) is provided with an internal thread (11), the pipe is connected with the internal thread (11), and the internal diameter of the internal thread (11) is larger than the external diameter of the radial protruding block (21).
6. The loose-joint elbow according to claim 1, wherein the connecting unit (3) comprises a connecting ring (31) and a transition ring (32) which are arranged on the outer circumferential wall of the joint (2), the connecting ring (31) is provided with a plurality of connecting rings and sequentially distributed at equal intervals along the axial direction of the joint (2), the transition ring (32) is positioned at the connecting ring (31) at the tail end, and a limiting block (33) is further arranged on the outer circumferential wall of the joint (2) at the transition ring (32).
7. The loose-joint elbow according to claim 6, wherein the connecting ring (31) and the transition ring (32) are both in the shape of an inverted cone, and the outer diameter of the transition ring (32) is larger than the outer diameter of the connecting ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420214241.5U CN222277832U (en) | 2024-01-30 | 2024-01-30 | A kind of flexible elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420214241.5U CN222277832U (en) | 2024-01-30 | 2024-01-30 | A kind of flexible elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222277832U true CN222277832U (en) | 2024-12-31 |
Family
ID=93987965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420214241.5U Active CN222277832U (en) | 2024-01-30 | 2024-01-30 | A kind of flexible elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222277832U (en) |
-
2024
- 2024-01-30 CN CN202420214241.5U patent/CN222277832U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |