CN221004216U - Telescopic flexible pipe fitting, threaded joint and connector thereof - Google Patents
Telescopic flexible pipe fitting, threaded joint and connector thereof Download PDFInfo
- Publication number
- CN221004216U CN221004216U CN202322893007.8U CN202322893007U CN221004216U CN 221004216 U CN221004216 U CN 221004216U CN 202322893007 U CN202322893007 U CN 202322893007U CN 221004216 U CN221004216 U CN 221004216U
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- threaded
- elastic
- connection
- elastic connector
- connector
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- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of pipe joints, in particular to a telescopic flexible pipe fitting, a threaded joint and a connector thereof. The threaded joint connector comprises an elastic connector, and two ends of the elastic connector can be connected with threaded ends respectively; wherein, the inside of elastic connection body is provided with interior supporting rib, and interior supporting rib both ends are opposite and can hook the different lateral walls in the spread groove of two screw thread ends respectively. The threaded joint comprises an elastic connector and threaded ends connected to the ends of the elastic connector, wherein internal threads are arranged on the inner side surfaces of the threaded ends, the directions of the internal threads of the threaded ends located at the two ends of the elastic connector are opposite, and one end of any threaded end, far away from the elastic connector, is connected with a spiral reinforcing steel bar. According to the utility model, the threaded connection with the pipeline can be realized through the action of the threaded end head, and the elastic connector connected with the threaded end head is internally provided with the inner supporting ribs with opposite directions at the two ends for reinforcing connection, so that the connection and separation of the threaded end head and the elastic connector are prevented.
Description
Technical Field
The utility model relates to the technical field of pipe joints, in particular to a telescopic flexible pipe fitting, a threaded joint and a connector thereof.
Background
The flexible rubber soft joint is also called a rubber joint, a rubber flexible joint, a soft joint, a shock absorber, a pipeline shock absorber, a shock absorbing throat and the like, and is a pipeline joint with high elasticity, high air tightness, medium resistance and weather resistance.
In the building engineering, the flexible rubber connecting pipe can be used for connecting different water pipes, air pipes and drainage pipelines, and can adapt to different pipeline diameters and bending radiuses due to good flexibility and elasticity, so that the connection of the pipelines is firmer and tighter. Generally speaking, the daily pipeline connection mode is not limited to flange connection, but also comprises threaded connection, but the flange connection can cause swelling of the connecting part of the pipe body, the reliability of the common threaded connection structure is poor, for example, the flexible rubber soft joint disclosed in CN209325236U and the like can not be directly connected with the pipeline after the threads are processed at the flange position, because the flexible rubber soft joint has a tensile force effect on the flanges at the two ends of the flexible rubber soft joint after being swelled, the flexible rubber soft joint after the threads are processed is further unscrewed with the pipeline connection, and the connecting part of the pipe body and the connecting head is also fragile, so that the flexible rubber soft joint is not suitable for the complex environment of the building engineering.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the threaded joint for forming the telescopic flexible pipe fitting, and solves the problems that the flexible rubber soft joint cannot be in threaded connection, the connecting part is fragile and easy to damage, and the like.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The first aspect of the utility model relates to a threaded joint connector, comprising an elastic connector, wherein two ends of the elastic connector can be respectively connected with threaded ends; the inside of the elastic connector is provided with an inner supporting rib, and two ends of the inner supporting rib face opposite directions and can be respectively hooked on different side walls in the connecting grooves of the two threaded ends.
In some modes, two ends of any one of the inner supporting ribs are respectively connected to the inner side wall of the connecting groove of the first threaded end head and the outer side wall of the connecting groove of the second threaded end head, and the first threaded end head and the second threaded end head are respectively connected to two ends of the elastic connecting body.
In some modes, one end of the inner supporting rib, which is hooked on the inner side wall of the connecting groove of the threaded end head, can extend into the inner side surface of the threaded end head.
In some modes, the middle part of the elastic connecting body is drum-shaped, and the middle part of the inner supporting rib is arc-shaped; the elastic connector is made of high-temperature resistant rubber.
The second aspect of the utility model relates to a threaded joint, which comprises an elastic connector and threaded ends connected to the ends of the elastic connector, wherein the inner side surfaces of the threaded ends are provided with internal threads, the internal threads of the threaded ends positioned at the two ends of the elastic connector are opposite in rotation direction, and one end of any threaded end far away from the elastic connector is connected with a spiral reinforcing steel bar.
In some modes, a connecting groove is formed in one side, facing the elastic connecting body, of the threaded end head, and the end part of the elastic connecting body extends into the connecting groove and is connected with each other; the elastic connector is the threaded joint connector described in any one of the above.
In some modes, the one end interconnect that the screw reinforcement kept away from the screw thread end has first go-between, the lateral surface cover of first go-between is equipped with the pyrocondensation dustcoat, the medial surface of one side that the pyrocondensation dustcoat kept away from first go-between is provided with the second go-between.
In some modes, the second connecting ring and the first connecting ring are consistent in size, and the inner side surface diameter of the part, which extends between the second connecting ring and the first connecting ring, of the heat-shrinkable outer cover is smaller than the inner side surface of the first connecting ring and is equal to the nominal diameter of the inner side surface threads of the threaded end head; the heat-shrinkable outer cover is made of EVA materials, and the inner supporting ribs, the spiral steel bars, the first connecting ring and the second connecting ring are made of spring steel materials; the end faces of the two sides of the elastic connector, which are positioned on the inner side of the threaded end head, are provided with waterproof check rings.
In some modes, the internal thread inside the threaded end head on the same side of the elastic connector is opposite to the rotation direction of the spiral reinforcing steel bar; the spiral reinforcing steel bars are distributed at equal intervals along the axis spiral of the threaded end head, and the spiral directions of the spiral reinforcing steel bars on two sides of the elastic connecting body are opposite.
A third aspect of the utility model relates to a flexible pipe unit comprising a threaded joint as defined in any one of the preceding claims and a pipe body connected to the threaded joint. When the screw thread connecting device is used, the water pipe to be connected is connected with the screw thread end, and then the screw reinforcement is sleeved outside the connecting part of the water pipe to be connected, so that the screw thread connecting device has a protection effect.
The utility model has the beneficial effects that:
Through the effect of screw thread end, can realize the threaded connection with the pipeline, the inside both ends of packing into of the elastic connection body that screw thread end is connected are towards opposite interior supporting rib reinforcing connection, and then prevented the emergence of screw thread end and elastic connection body connection separation condition, cooperation spiral reinforcing bar and the effect of pyrocondensation dustcoat, both can guarantee the reliability of being connected with the pipeline, can prevent again that screw thread end and pipeline from unscrewing the condition that breaks away from, can resume the original state at the effect of spiral reinforcing bar.
Drawings
Figure 1 is a schematic view of the structure of the present utility model,
Figure 2 is a top view of the present utility model,
Figure 3 is a radial cross-sectional view of the location of the end of the inner brace,
Figure 4 is an axial cross-sectional view of a threaded end and threaded joint connection,
Fig. 5 is an axial cross-sectional view of the present utility model.
In the figure:
1. An elastic connection body; 2. a threaded end; 3. spiral reinforcing steel bars; 4. a heat-shrinkable outer cover; 5. an inner support rib; 6. a waterproof retainer ring; 7. a first connection ring; 8. a second connecting ring; 21. and a connecting groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the embodiment of the utility model provides a threaded joint for forming a flexible pipe fitting, which comprises an elastic connector 1, wherein the middle part of the elastic connector 1 is drum-shaped, the elastic connector 1 is made of high-temperature-resistant rubber, threaded ends 2 are arranged at two ends of the elastic connector 1, a pipeline with external threads can be connected under the action of internal threads of the threaded ends 2, waterproof check rings 6 are arranged at the end faces, located at the inner sides of the threaded ends 2, of the two sides of the elastic connector 1, and waterproof performance of the threaded ends 2 after the threaded ends 2 are connected with the pipeline can be guaranteed through the waterproof check rings 6. The specific structural form of the waterproof retainer ring 6 can be adopted in the prior art, and is not limited in this way.
The one end interconnect that the elastic connection body 1 was kept away from to screw thread end 2 has spiral reinforcing bar 3 for protect the junction of screw thread end 2 and pipeline (when using, wait to connect the water pipe and be connected with screw thread end 2, then spiral reinforcing bar 3 cover is outside two junctions, plays the guard action). The spiral reinforcing steel bars 3 are distributed at equal intervals along the axis spiral of the threaded end heads 2, further referring to fig. 1, the spiral directions of the spiral reinforcing steel bars 3 connected with the threaded end heads 2 at two sides of the elastic connector 1 are opposite, internal threads are arranged on the inner side faces of the threaded end heads 2 at two sides of the elastic connector 1, and the internal threads in the threaded end heads 2 at two ends are opposite in rotation direction. The internal thread inside the threaded end head 2 on the same side of the elastic connector 1 is opposite to the rotation direction of the spiral reinforcing steel bar 3. The elastic connector 1 can be further provided with an inner supporting rib 5, and the inner supporting rib 5 is arranged along the length direction of the elastic connector 1.
As shown in fig. 3-4, an inner supporting rib 5 is arranged in the elastic connector 1, when the elastic connector 1 is stretched, the inner supporting rib 5 is elongated, so that the two threaded ends 2 are far away from each other, when the middle part of the elastic connector 1 is shortened and swelled, the inner supporting rib 5 is shortened and swelled, so that the two threaded ends 2 are close to each other, and the middle part of the inner supporting rib 5 is arc-shaped. In combination with the illustration in fig. 4, the side of the threaded end head 2 facing the elastic connector 1 is provided with a connecting groove 21, and the connecting parts of the threaded end head 2 and the elastic connector 1 can be mutually nested, the reliability of the connection between the threaded end head 2 and the elastic connector 1 can be improved by arranging the connecting groove 21, the reliability of the connection is further improved under the action of the end part of the inner supporting rib 5, and the annular parts at the two ends of the elastic connector 1 extend into the connecting groove of the threaded end head 2 and are mutually connected, such as glue coating and bonding. The connecting side of the threaded end head 2 can have certain deformability, so that the inner supporting rib 5 is convenient to clamp and nest in the clamping hole of the connecting groove.
As shown in fig. 5, the inner supporting rib 5 is generally located in the elastic connector 1, the hook portions at two ends of the inner supporting rib 5 are located outside the elastic connector 1, so that the hook portions are bent at two ends of the inner supporting rib 5 to face opposite directions, and the two ends of the inner supporting rib are respectively hooked on the outer wall and the inner wall of two connecting grooves, the inner wall and the outer wall of the connecting grooves are also provided with connecting holes, the connecting holes of the inner wall can be communicated with the inner cavity of the threaded end 2, and the inner wall or the outer wall of any connecting groove is provided with the hook portions of the inner supporting rib 5 to be connected with the inner wall or the outer wall of any connecting groove. One end of the inner supporting rib 5 hooked on the inner wall of the connecting groove extends into the inner side surface of the corresponding threaded end head 2, and the two ends of the inner supporting rib 5 on the two sides of the inner supporting rib 5 face opposite; the end part of the inner supporting rib 5 is provided with a bending part, and the two ends are respectively bent like two sides. The outer wall and the inner wall of the connecting groove are also used for distinguishing the inside from the outside by taking the inside and the outside of the threaded end head 2 as references.
The one end interconnect that screw reinforcement 3 kept away from screw thread end 2 has first go-between 7, and the lateral surface cover of first go-between 7 is equipped with pyrocondensation dustcoat 4, and pyrocondensation dustcoat 4 is made by the EVA material, and the medial surface of pyrocondensation dustcoat 4 just is located one side of keeping away from first go-between 7 and is provided with second go-between 8 for improve the intensity after the pyrocondensation of pyrocondensation dustcoat 4.
The second connecting ring 8 and the first connecting ring 7 are identical in size, and the inner side diameter of the part of the heat-shrinkable outer cover 4 extending between the second connecting ring 8 and the first connecting ring 7 is smaller than the inner side of the first connecting ring 7 and equal to the nominal diameter of the inner side threads of the threaded end head 2.
The spiral reinforcing steel bar 3, the first connecting ring 7 and the second connecting ring 8 are all made of steel materials, and the materials can be similar to springs and have certain deformability. The inner support ribs 5 can be made of steel or engineering plastics.
Working principle: after the pipeline with external threads is screwed into the threaded ends 2 on two sides of the elastic connector 1 in the threaded direction, the heat-shrinkable outer cover 4 is heated by using a blast lamp, the heat-shrinkable outer cover 4 is shrunk towards the surface of the pipeline after the heat-shrinkable outer cover 4 is heated, the part of the heat-shrinkable outer cover 4 covering the spiral reinforcing steel bar 3 tightly presses the spiral reinforcing steel bar 3 onto the surface of the pipeline, after the middle part of the elastic connector 1 is swelled, the threaded ends 2 are mutually close to each other, further the mutual approaching of the pipeline is realized, and due to the connection effect of the heat-shrinkable outer cover 4 and the pipeline, the end part of the pipeline is outwards screwed from the threaded ends 2, at the moment, the spiral reinforcing steel bar 3 is tightly pressed by the spiral reinforcing steel bar 3 under the stretching effect and the rotation effect of the threaded ends 2, so that the threaded ends 2 are mutually far away under the effect of the spiral reinforcing steel bar 3 after the middle part of the elastic connector 1 is restored, and the threaded ends 2 can be driven to rotate simultaneously, and further the screwing with the pipeline is realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The threaded joint connector is characterized by comprising an elastic connector (1), wherein two ends of the elastic connector (1) can be respectively connected with a threaded end head (2); the elastic connecting body (1) is internally provided with an inner supporting rib (5), and two ends of the inner supporting rib (5) face opposite directions and can be respectively hooked on different side walls in the connecting grooves of the two threaded ends (2).
2. A threaded joint connection according to claim 1, wherein either end of the inner support rib (5) is connected to the inner side wall of the connection groove (21) of the first threaded end and the outer side wall of the connection groove (21) of the second threaded end, respectively.
3. A threaded joint connection according to claim 2, characterized in that the inner support rib (5) is hooked at one end of the inner side wall of the connecting groove (21) of the threaded end head (2) and can extend into the inner side surface of the threaded end head (2); the inner side wall and the outer side wall of the connecting groove (21) are respectively provided with a clamping hook connecting hole.
4. The threaded joint connection according to claim 1, characterized in that the middle part of the elastic connection body (1) is drum-shaped, and the middle part of the inner supporting rib (5) is arc-shaped; the elastic connector (1) is made of high-temperature resistant rubber.
5. The threaded joint is characterized by comprising an elastic connector (1) and a threaded end head (2) connected to the end part of the elastic connector (1), wherein an inner thread is arranged on the inner side surface of the threaded end head (2), the inner threads of the threaded end heads (2) positioned at the two ends of the elastic connector (1) are opposite in rotation direction, and one end, far away from the elastic connector (1), of any threaded end head (2) is connected with a spiral reinforcing steel bar (3).
6. A threaded joint according to claim 5, characterized in that the side of the threaded end (2) facing the elastic connection body (1) is provided with a connection groove (21), the ends of the elastic connection body (1) extending into the connection groove (21) and being connected to each other; the elastic connector (1) is the threaded joint connector according to any one of claims 1 to 4.
7. The threaded joint according to claim 5, wherein one end of the spiral reinforcement bar (3) far away from the threaded end head (2) is mutually connected with a first connecting ring (7), the outer side surface of the first connecting ring (7) is sleeved with a heat-shrinkable outer cover (4), and the inner side surface of one side of the heat-shrinkable outer cover (4) far away from the first connecting ring (7) is provided with a second connecting ring (8).
8. A threaded joint according to claim 7, characterized in that the dimensions of the second connection ring (8) and the first connection ring (7) are identical, the inside diameter of the portion of the heat-shrinkable outer jacket (4) extending between the second connection ring (8) and the first connection ring (7) being smaller than the inside diameter of the first connection ring (7) and equal to the nominal diameter of the inside thread of the threaded end (2); the heat-shrinkable outer cover (4) is made of EVA materials, and the spiral steel bars (3), the first connecting ring (7) and the second connecting ring (8) are made of steel materials; the end faces of the two sides of the elastic connector (1) which are positioned on the inner side of the threaded end head (2) are provided with waterproof check rings (6).
9. A threaded joint according to claim 5, characterized in that the internal thread inside the threaded end (2) on the same side of the elastic connection body (1) is opposite to the direction of rotation of the helical reinforcement (3); the spiral reinforcing steel bars (3) are distributed at equal intervals along the axis spiral of the threaded end head (2), and the spiral directions of the spiral reinforcing steel bars (3) on two sides of the elastic connecting body (1) are opposite.
10. A flexible pipe unit comprising a threaded joint according to any one of claims 5 to 9 and a pipe body connected to the threaded joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893007.8U CN221004216U (en) | 2023-10-27 | 2023-10-27 | Telescopic flexible pipe fitting, threaded joint and connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893007.8U CN221004216U (en) | 2023-10-27 | 2023-10-27 | Telescopic flexible pipe fitting, threaded joint and connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221004216U true CN221004216U (en) | 2024-05-24 |
Family
ID=91120334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322893007.8U Active CN221004216U (en) | 2023-10-27 | 2023-10-27 | Telescopic flexible pipe fitting, threaded joint and connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221004216U (en) |
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2023
- 2023-10-27 CN CN202322893007.8U patent/CN221004216U/en active Active
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