CN219734576U - Plug-in quick-mounting pipe fitting - Google Patents
Plug-in quick-mounting pipe fitting Download PDFInfo
- Publication number
- CN219734576U CN219734576U CN202321005464.2U CN202321005464U CN219734576U CN 219734576 U CN219734576 U CN 219734576U CN 202321005464 U CN202321005464 U CN 202321005464U CN 219734576 U CN219734576 U CN 219734576U
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- Prior art keywords
- plug
- sealing ring
- pipe
- straight tube
- insertion part
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- 238000003780 insertion Methods 0.000 claims abstract description 42
- 230000037431 insertion Effects 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 37
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of pipeline connection, and particularly relates to a plug-in type quick-assembly pipe fitting which is formed by sequentially splicing a plurality of hollow pipe bodies, wherein the pipe bodies are divided into: a straight tube portion; the external insertion part is positioned at one end of the straight cylinder part, the internal diameter of the external insertion part is the same as that of the straight cylinder part, and the external diameter of the external insertion part is smaller than that of the straight cylinder part; the inner embedded part is positioned at the other end of the straight cylinder part, the outer diameter of the inner embedded part is the same as that of the straight cylinder part, and the inner diameter of the inner embedded part is larger than that of the straight cylinder part; the outer wall of the outer insertion part is matched with the outer wall of the inner insertion part, and two adjacent pipe bodies are spliced in a buckling mode. Dividing the tube body into a straight tube part, an outer insertion part and an inner embedding part; after the two pipe bodies are spliced, the outer inserting part of one pipe body is inserted into the inner inserting part of the other pipe body, and the two pipe bodies are mutually matched, so that the pipe is very compact and is not easy to fall off. And the pipe body is of a cylindrical structure as a whole after being spliced, and has no protruding or recessed part, so that the layout is simple.
Description
Technical Field
The utility model belongs to the technical field of pipeline connection, and particularly relates to a plug-in type quick-assembly pipe fitting.
Background
The application of the quick connector enables the pipeline connection technology to be more mature, and particularly the direct-insertion quick connector is widely applied to daily life and industrial production equipment. Compared with the direct-insertion type quick connector which is connected by adopting a hot-melting device, the direct-insertion type quick connector has the advantages of high connection strength and good shock resistance, the connection part is buckled at one time, and the larger the pressure in the pipe is, the more tightly the inner diameter of the pipe is expanded and reversely buckled. The possibility of loosening and water leakage is avoided, hot melting is not needed, the labor-consuming construction of field welding operation is avoided, and the device is rapid to install, and is time-saving, electricity-saving and labor-saving. Such as the chinese patent application publication No. CN104154363 a. However, if the pipe fittings to be assembled are all installed through quick connectors, the production cost is difficult to control, and the pipe fittings cannot be favorably used in the market.
Based on this, a pipe fitting with a self-joint, such as a plug-and-play quick-mounting pipe fitting with publication number CN210770883U, is presented, however, such pipe fitting is complex in structure, high in processing cost, and has a problem of low mounting efficiency due to the fact that the pipe fitting is mounted in a threaded manner.
Disclosure of Invention
The utility model aims to provide a plug-and-play type quick-assembly pipe fitting which is simple in structure and convenient to install, so that the problems in the background technology are solved.
In order to achieve the above purpose, the following technical scheme is provided: the utility model provides a plug-and-play formula fast-assembling pipe fitting, is spliced in proper order by a plurality of hollow body and forms, the body divide into:
a straight tube portion;
the external insertion part is positioned at one end of the straight cylinder part, the internal diameter of the external insertion part is the same as that of the straight cylinder part, and the external diameter of the external insertion part is smaller than that of the straight cylinder part;
the inner embedded part is positioned at the other end of the straight cylinder part, the outer diameter of the inner embedded part is the same as that of the straight cylinder part, and the inner diameter of the inner embedded part is larger than that of the straight cylinder part;
the outer wall of the outer insertion part is matched with the outer wall of the inner insertion part, and two adjacent pipe bodies are spliced in a buckling mode.
In the above technical solution, further, the external insertion portion is divided into a first step, a second step and a third step with sequentially increased outer diameters from the end portion to the direction of the straight tube portion;
the first step and the second step are connected through a first round platform, and the outer diameter of the first round platform is gradually increased from the first step to the second step;
the second step is connected with the third step through a second round platform, and the outer diameter of the second round platform is gradually increased from the second step to the third step;
the second step is provided with a radial inward mounting groove, a first sealing ring is arranged in the mounting groove, and when two pipe bodies are spliced with each other, the outer wall of the first sealing ring on the outer inserting portion abuts against the inner wall of the inner inserting portion.
In any of the above technical solutions, further, the first sealing ring is in a pipe sleeve shape, barbs are arranged on the outer wall of the first sealing ring, the barbs extend out of the mounting groove, and the barbs are multiple and distributed along the axial direction of the sealing ring.
In any of the above technical solutions, further, a first clamping groove is formed between the first step and the first round table and is formed radially inwards, and the radial width of the second sealing ring is smaller than the width of the first clamping groove.
In any of the above technical solutions, further, a second sealing ring is disposed in the first clamping groove.
In any of the above technical solutions, further, the third step is provided with a second clamping groove opened radially inwards.
In any of the above technical solutions, further, a third sealing ring is disposed in the second clamping groove, and a radial width of the third sealing ring is smaller than a width of the second clamping groove.
In any of the above technical solutions, further, the slope of the first circular truncated cone is greater than the slope of the second circular truncated cone.
In any of the above technical solutions, further, a rounded corner is formed at an end of the first step, and the rounded corner forms a guiding inclined plane.
The beneficial effects of the utility model are as follows: dividing the tube body into a straight tube part, an outer insertion part and an inner embedding part; after the two pipe bodies are spliced, the outer inserting part of one pipe body is inserted into the inner inserting part of the other pipe body, and the two pipe bodies are mutually matched, so that the pipe is very compact and is not easy to fall off. And the pipe body is of a cylindrical structure as a whole after being spliced, and has no protruding or recessed part, so that the layout is simple.
For improving sealing effect, set up the barb on the outer wall of first sealing washer for this, the barb has deformability, when combining with the second depressed part of interior embedded part, through self deformation, inseparable laminating realizes closely sealed on the second depressed part.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
reference numerals: 10. a tube body; 100. a straight tube portion; 200. an outer insertion portion; 210. a first step; 220. a second step; 230. a third step; 240. a first round table; 250. a second round table; 260. a first seal ring; 261. a barb; 270. a first clamping groove; 271. a second seal ring; 280. a second clamping groove; 281. a third seal ring; 290. a guide slope; 300. an inner embedding part; 310. a first concave portion; 320. a second concave portion; 330. and a third recess.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.
In the description of the present utility model, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Example 1:
as shown in fig. 1-3, the present embodiment provides a plug-in quick-assembly pipe fitting, which is formed by sequentially splicing a plurality of hollow pipe bodies 10, wherein the pipe bodies 10 are divided into:
a straight tube portion 100;
an outer insertion part 200 positioned at one end of the straight tube part 100, having the same inner diameter as the straight tube part 100 and an outer diameter smaller than the outer diameter of the straight tube part 100;
and an inner insertion part 300 positioned at the other end of the straight tube part 100, having the same outer diameter as the straight tube part 100 and an inner diameter larger than the inner diameter of the straight tube part 100;
the outer wall of the outer insertion portion 200 is adapted to the outer wall of the inner insertion portion 300, and two adjacent pipe bodies 10 are spliced by buckling.
In this embodiment, based on some pipe fittings at present, a fast-assembling pipe fitting formed by splicing a plurality of pipe bodies 10 in turn is designed, which has the advantages of convenient transportation, capability of freely controlling the length of the pipe fitting according to the requirement, and great convenience.
Specifically, the pipe body 10 is divided into a straight tube portion 100, an outer insertion portion 200, and an inner insertion portion 300; after the two pipe bodies 10 are spliced, the outer insertion part 200 of one pipe body 10 is inserted into the inner insertion part 300 of the other pipe body 10, and the two parts are mutually matched, so that the pipe bodies are very compact and are not easy to fall off. And still another characteristic is, after the concatenation, body 10 wholly is cylindric structure, does not have protruding or sunken position, and the overall arrangement is brief.
As shown in fig. 3, in the present embodiment, the external insertion portion 200 is divided into a first step 210, a second step 220, and a third step 230, which have sequentially increased outer diameters, from the end portion toward the straight tube portion 100;
the first step 210 and the second step 220 are connected through a first circular table 240, and the outer diameter of the first circular table 240 gradually increases from the first step 210 to the second step 220;
the second step 220 and the third step 230 are connected through a second circular truncated cone 250, and the outer diameter of the second circular truncated cone 250 gradually increases from the second step 220 to the third step 230;
the inclination of the first round table 240 is greater than that of the second round table 250, the second step 220 is provided with a radially inward mounting groove, a first sealing ring 260 is disposed in the mounting groove, and when the two pipe bodies 10 are spliced with each other, the outer wall of the first sealing ring 260 on the outer insertion portion 200 abuts against the inner wall of the inner insertion portion 300.
In this technical solution, in order to improve the tightness of the bonding between the adjacent pipe bodies 10, for this purpose, the outer insertion portion 200 is provided with a first step 210, a second step 220 and a third step 230, when the outer insertion portion 200 is bonded to the inner insertion portion 300, the first step 210, the second step 220 and the third step 230 are respectively matched with a corresponding first concave portion 310, a corresponding second concave portion 320 and a corresponding third concave portion 330 on the inner insertion portion 300, so as to achieve tight buckling.
As shown in fig. 3, in this embodiment, the first sealing ring 260 is preferably in a sleeve shape, the outer wall of the first sealing ring is provided with barbs 261, the barbs 261 extend out of the mounting groove, and the barbs 261 are multiple and are distributed along the axial direction of the sealing ring.
As shown in fig. 3, in this technical solution, in order to improve the sealing effect, the barb 261 is provided on the outer wall of the first sealing ring 260, and the barb 261 has a deformation capability, and when combined with the second concave portion 320 of the inner embedded portion 300, the barb is tightly attached to the second concave portion 320 through self deformation, so as to realize tight sealing.
Example 2:
the embodiment provides a plug-and-play type quick-assembly pipe fitting, which has the following technical characteristics besides the technical scheme of the embodiment.
As shown in fig. 3, in this embodiment, a first slot 270 is formed between the first step 210 and the first circular table 240 and is radially inward. The first clamping groove 270 is internally provided with a second sealing ring 271, and the radial width of the second sealing ring 271 is smaller than the width of the first clamping groove 270.
In this technical solution, by providing the first clamping groove 270 between the first step 210 and the first round table 240, the two pipe bodies 10 are tightly buckled by the first clamping groove 270, so that the two pipe bodies are not easy to separate. Further, a second seal ring 271 is provided in the first clamping groove 270, and the second seal ring 271 is a 0-type seal ring for improving sealability.
In this embodiment, as shown in fig. 3, the third step 230 has a second slot 280 formed therein radially inward. The second clamping groove 280 is internally provided with a third sealing ring 281, and the radial width of the third sealing ring 281 is smaller than the width of the second clamping groove 280.
In this technical solution, the second clamping groove 280 is provided on the third step 230, and the second clamping groove 280 is used to tightly fasten the two pipe bodies 10, so that the two pipe bodies are not easy to separate. Further, a third sealing ring 281 is disposed in the second clamping groove 280, and the third sealing ring 281 is a 0-type sealing ring for improving the sealing performance. The second seal ring 271, the third seal ring 281, and the first seal ring 260 are provided at both sides of the outer insertion portion 200, thereby realizing multiple sealing.
Example 3:
the embodiment provides a plug-and-play type quick-assembly pipe fitting, which has the following technical characteristics besides the technical scheme of the embodiment.
As shown in fig. 3, in the present embodiment, the end of the first step 210 is provided with a rounded corner, and the rounded corner forms a guiding inclined plane 290. By providing the guide inclined surface 290, more convenient splicing between the two pipe bodies 10 can be facilitated.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.
Claims (9)
1. The plug-and-play type quick-assembly pipe fitting is characterized by being formed by sequentially splicing a plurality of hollow pipe bodies (10), wherein the pipe bodies (10) are divided into:
a straight tube part (100);
an outer insertion part (200) positioned at one end of the straight tube part (100), the inner diameter of the outer insertion part is the same as that of the straight tube part (100), and the outer diameter of the outer insertion part is smaller than that of the straight tube part (100);
and an inner insertion portion (300) which is positioned at the other end of the straight tube portion (100) and has the same outer diameter as the straight tube portion (100) and an inner diameter larger than the inner diameter of the straight tube portion (100);
the outer wall of the outer insertion part (200) is matched with the outer wall of the inner insertion part (300), and two adjacent pipe bodies (10) are spliced in a buckling mode.
2. The plug-and-play quick-fit pipe fitting according to claim 1, wherein the outer insertion portion (200) is divided into a first step (210), a second step (220) and a third step (230) with sequentially increased outer diameters from the end portion to the straight tube portion (100);
the first step (210) and the second step (220) are connected through a first round table (240), and the outer diameter of the first round table (240) gradually increases from the first step (210) to the second step (220);
the second step (220) and the third step (230) are connected through a second round table (250), and the outer diameter of the second round table (250) is gradually increased from the second step (220) to the third step (230);
the second step (220) is provided with a radially inward mounting groove, a first sealing ring (260) is arranged in the mounting groove, and when two pipe bodies (10) are spliced with each other, the outer wall of the first sealing ring (260) on the outer insertion part (200) is abutted against the inner wall of the inner insertion part (300).
3. A plug-and-play quick-assembly pipe fitting according to claim 2, characterized in that the first sealing ring (260) is in the shape of a pipe sleeve, barbs (261) are arranged on the outer wall of the first sealing ring, the barbs (261) extend out of the mounting groove, and the barbs (261) are multiple and distributed along the axial direction of the sealing ring.
4. A plug-and-play quick-fit pipe fitting according to claim 3, characterized in that a first clamping groove (270) is formed between the first step (210) and the first round table (240) radially inwards.
5. The plug-and-play quick-fit pipe fitting according to claim 4, wherein a second sealing ring (271) is arranged in the first clamping groove (270), and the radial width of the second sealing ring (271) is smaller than the width of the first clamping groove (270).
6. A plug-and-play quick-fit pipe according to claim 3, characterized in that the third step (230) has a second radially inwardly open slot (280).
7. The plug-and-play quick-assembly pipe fitting according to claim 6, wherein a third sealing ring (281) is arranged in the second clamping groove (280), and the radial width of the third sealing ring (281) is smaller than the width of the second clamping groove (280).
8. A plug-and-play quick-fit pipe according to claim 2, characterized in that the slope of the first circular truncated cone (240) is greater than the slope of the second circular truncated cone (250).
9. A plug and play quick-fitting according to any of claims 2-8, characterized in that the end of the first step (210) is provided with a rounded corner, which rounded corner forms a guiding ramp (290).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321005464.2U CN219734576U (en) | 2023-04-28 | 2023-04-28 | Plug-in quick-mounting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321005464.2U CN219734576U (en) | 2023-04-28 | 2023-04-28 | Plug-in quick-mounting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734576U true CN219734576U (en) | 2023-09-22 |
Family
ID=88031933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321005464.2U Active CN219734576U (en) | 2023-04-28 | 2023-04-28 | Plug-in quick-mounting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734576U (en) |
-
2023
- 2023-04-28 CN CN202321005464.2U patent/CN219734576U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |