CN217502975U - Pipeline joint - Google Patents
Pipeline joint Download PDFInfo
- Publication number
- CN217502975U CN217502975U CN202221612397.6U CN202221612397U CN217502975U CN 217502975 U CN217502975 U CN 217502975U CN 202221612397 U CN202221612397 U CN 202221612397U CN 217502975 U CN217502975 U CN 217502975U
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- fastening
- conical surface
- annular
- side wall
- fastening sleeve
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Abstract
The utility model belongs to the technical field of the pipe connection accessory, refer in particular to a pipe joint, be used for the joint body of being connected with the hose including the link, outwards set gradually annular connecting portion and the fastening conical surface along its axial on the link lateral wall of joint body, and the external diameter of the fastening conical surface outwards reduces along the axial gradually, and the cover is equipped with the fastening sleeve on the link of joint body, and the inner and the annular connecting portion of fastening sleeve are connected, forms between the outer end inside wall of fastening sleeve and the fastening conical surface and carries out the fixed centre gripping clearance of centre gripping to the hose. The utility model discloses a fastening sleeve made by plastic materials replaces current metal staple bolt, realizes being connected between hose and the joint with the help of the cooperation of fastening sleeve and the fastening conical surface, and it not only possesses better leakproofness, has effectively saved the cost, and simultaneously, the tip of hose can also be wrapped up between annular connecting portion and fastening sleeve and not disturbed by the external world.
Description
The technical field is as follows:
the utility model belongs to the technical field of the pipe connection accessory, refer in particular to a pipe joint.
The background art comprises the following steps:
at present, liquid is generally conveyed by a hose, the hose and the hose are communicated through a joint, and the joint generally adopts a two-way joint, a three-way joint or a four-way joint according to the actual liquid conveying requirement.
The hose is generally fixed on the corresponding end of the connector in an encircling manner by means of a metal hoop, the sealing performance between the hose and the connector only depends on the encircling fastening performance of the metal hoop, the metal hoop is used as a metal piece, the cost is high, the hose is easy to corrode and rust, meanwhile, the end portion of the hose encircled by the metal hoop is directly exposed to the outside, and the hose is easy to break due to long-time external interference to affect the sealing performance between the hose and the connector.
The invention content is as follows:
the utility model aims at providing a pipe joint, it adopts the fastening sleeve to replace current metal staple bolt, realizes being connected between hose and the joint with the help of the cooperation of fastening sleeve and the fastening conical surface, and it not only possesses better leakproofness, has effectively saved the cost, and simultaneously, the tip of hose can also be wrapped up between annular connecting portion and fastening sleeve and not disturbed by the external world.
The utility model discloses a realize like this:
the utility model provides a pipeline joint, is used for the joint body of being connected with the hose including the link, outwards set gradually annular connecting portion and the fastening conical surface along its axial on the link lateral wall of joint body, and the external diameter of the fastening conical surface outwards reduces along the axial gradually, and the cover is equipped with the fastening sleeve on the link of joint body, and the inner and the annular connecting portion of fastening sleeve are connected, forms between the outer end inside wall of fastening sleeve and the fastening conical surface and carries out the fixed centre gripping clearance of centre gripping to the hose.
In the above-mentioned pipe joint, the annular connecting portion is provided with an annular slot, a notch of the annular slot is arranged outward in the axial direction of the connecting end of the joint body, and the hose is inserted into the annular slot.
In the above pipe joint, the annular connecting portion is cylindrical and is integrated with the joint body, and the annular slot is formed between the inner side wall of the annular connecting portion and the outer side wall of the connecting end of the joint body.
In the above pipe joint, the inner bore of the fastening sleeve is a stepped bore and sequentially includes a large diameter portion and a small diameter portion from inside to outside along the axial direction thereof, a positioning stepped surface is formed between the large diameter portion and the small diameter portion, the large diameter portion is connected with the annular connecting portion, the clamping gap is formed between the inner side wall of the small diameter portion and the fastening conical surface, and an annular protrusion capable of being inserted into the groove opening of the annular slot is arranged on the positioning stepped surface.
In the above pipe joint, the outer side wall of the annular connecting portion is provided with an external thread, and the inner side wall of the fastening sleeve is provided with an internal thread in threaded connection with the external thread.
In the above pipe joint, the inner side wall of the small diameter portion is a fitting tapered surface whose inner diameter gradually decreases outward in the axial direction thereof.
In the above pipe joint, the outer side wall of the notch of the annular slot and the outer side wall of the annular protrusion are respectively an outer conical surface and an inner conical surface which can be internally and externally attached.
Compared with the prior art, the utility model outstanding advantage is:
the utility model discloses a fastening sleeve made by plastic materials replaces current metal staple bolt, realizes being connected between hose and the joint with the help of the cooperation of fastening sleeve and the fastening conical surface, and it not only possesses better leakproofness, has effectively saved the cost, and simultaneously, the tip of hose can also be wrapped up between annular connecting portion and fastening sleeve and not disturbed by the external world.
Description of the drawings:
FIG. 1 is an overall perspective view of the present invention;
fig. 2 is a cross-sectional view of the joint body of the present invention showing the connection end and the fastening sleeve engaged with each other;
fig. 3 is a perspective view of the joint body of the present invention;
fig. 4 is a cross-sectional view of the fastening sleeve of the present invention.
In the figure: 1. a connector body; 2. an annular connecting portion; 3. fastening the conical surface; 4. fastening the sleeve; 5. an annular slot; 6. a large diameter portion; 7. a small diameter part; 8. an annular projection; 9. a matching conical surface; 10. an outer conical surface; 11. An inner conical surface.
The specific implementation mode is as follows:
the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 4:
the utility model provides a pipeline joint, is used for the joint body 1 of being connected with the hose including the link, it has set gradually annular connecting portion 2 and the fastening conical surface 3 outwards to follow its axial on the link lateral wall of joint body 1, and the external diameter of the fastening conical surface 3 outwards reduces along the axial gradually, and the cover is equipped with fastening sleeve 4 on the link of joint body 1, and fastening sleeve 4's the inner is connected with annular connecting portion 2, forms between fastening sleeve 4's the outer end inside wall and the fastening conical surface 3 and carries out the fixed centre gripping clearance of centre gripping to the hose.
The utility model discloses a fastening sleeve 4 made by plastic materials replaces current metal staple bolt, realizes being connected between hose and the joint with the help of fastening sleeve 4 and the cooperation of the fastening conical surface 3, and it not only possesses better leakproofness, has effectively saved the cost, and simultaneously, the tip of hose can also be wrapped up between annular connecting portion 2 and fastening sleeve 4 and not disturbed by the external world.
In order to enable the end part of the hose to have a longer length to be wrapped between the annular connecting part 2 and the fastening sleeve 4 so as to further ensure that the hose can be stably clamped between the fastening sleeve 4 and the fastening conical surface 3, an annular slot 5 is arranged on the annular connecting part 2, the notch of the annular slot 5 is axially outwards arranged towards the connecting end of the joint body 1, and the hose is inserted into the annular slot 5.
Further, in the present embodiment, the specific connection structure between the annular connection portion 2 and the joint body 1 is: the annular connecting part 2 is cylindrical and is in an integrated structure with the joint body 1, and the annular slot 5 is formed between the inner side wall of the annular connecting part 2 and the outer side wall of the connecting end of the joint body 1.
In order to further improve the sealing performance between the hose and the joint, the inner hole of the fastening sleeve 4 is a stepped hole and sequentially comprises a large-diameter part 6 and a small-diameter part 7 from inside to outside along the axial direction of the inner hole, a positioning stepped surface is formed between the large-diameter part 6 and the small-diameter part 7, the large-diameter part 6 is connected with the annular connecting part 2, the clamping gap is formed between the inner side wall of the small-diameter part 7 and the fastening conical surface 3, and an annular protrusion 8 capable of being inserted into the groove of the annular slot 5 is arranged on the positioning stepped surface, namely the hose can be further fixed on the joint in an extrusion manner through the insertion fit between the annular slot 5 and the annular protrusion 8.
Meanwhile, the fastening sleeve 4 can be inserted on the annular connecting part 2 by over-tightening, and in the embodiment, the matching connection structure between the fastening sleeve 4 and the annular connecting part 2 is: the outer side wall of the annular connecting part 2 is provided with an external thread, and the inner side wall of the fastening sleeve 4 is provided with an internal thread matched with the external thread in a threaded manner.
In order to further improve the hose clamping connection between the fastening sleeve 4 and the fastening tapered surface 3, the fastening sleeve 4 is optimized such that the inner side wall of the small diameter portion 7 is a fitting tapered surface 9 whose inner diameter gradually decreases outward in the axial direction thereof.
In addition, in order to further improve the connection stability between the fastening sleeve 4 and the annular connecting portion 2, the outer side wall of the notch of the annular slot 5 and the outer side wall of the annular protrusion 8 are respectively an outer conical surface 10 and an inner conical surface 11 which can be fitted inside and outside.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. A pipe joint, is used for connecting with hose joint body (1) including the link, its characterized in that: the outer side wall of the connecting end of the connector body (1) is provided with an annular connecting portion (2) and a fastening conical surface (3) outwards in sequence along the axial direction, the outer diameter of the fastening conical surface (3) is gradually reduced outwards along the axial direction, the connecting end of the connector body (1) is sleeved with a fastening sleeve (4), the inner end of the fastening sleeve (4) is connected with the annular connecting portion (2), and a clamping gap for clamping and fixing the hose is formed between the inner side wall of the outer end of the fastening sleeve (4) and the fastening conical surface (3).
2. A pipe joint according to claim 1, wherein: the annular connecting portion (2) is provided with an annular slot (5), the notch of the annular slot (5) is axially and outwards arranged towards the connecting end of the connector body (1), and the hose is inserted into the annular slot (5).
3. A pipe joint according to claim 2, wherein: the annular connecting part (2) is cylindrical and is in an integrated structure with the joint body (1), and the annular slot (5) is formed between the inner side wall of the annular connecting part (2) and the outer side wall of the connecting end of the joint body (1).
4. A pipe joint according to claim 2, wherein: the hole of fastening sleeve (4) is the step hole, and from interior to exterior along its axial including major diameter portion (6) and minor diameter portion (7) in proper order, forms the location step face between major diameter portion (6) and minor diameter portion (7), and major diameter portion (6) are connected with annular connecting portion (2), form between the inside wall of minor diameter portion (7) and the fastening conical surface (3) the centre gripping clearance is provided with on the location step face and can inserts annular arch (8) of establishing in annular slot (5) notch department.
5. A pipe joint according to claim 1 or 2 or 3 or 4, wherein: the outer side wall of the annular connecting portion (2) is provided with an external thread, and the inner side wall of the fastening sleeve (4) is provided with an internal thread matched with the external thread in a threaded manner.
6. A pipe joint according to claim 4, wherein: the inner side wall of the small-diameter part (7) is a matching conical surface (9) with the inner diameter gradually decreasing outwards along the axial direction of the small-diameter part.
7. A pipe joint according to claim 4, wherein: the outer side wall of the notch of the annular slot (5) and the outer side wall of the annular bulge (8) are respectively an outer conical surface (10) and an inner conical surface (11) which can be attached inside and outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221612397.6U CN217502975U (en) | 2022-06-23 | 2022-06-23 | Pipeline joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221612397.6U CN217502975U (en) | 2022-06-23 | 2022-06-23 | Pipeline joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217502975U true CN217502975U (en) | 2022-09-27 |
Family
ID=83338391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221612397.6U Active CN217502975U (en) | 2022-06-23 | 2022-06-23 | Pipeline joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217502975U (en) |
-
2022
- 2022-06-23 CN CN202221612397.6U patent/CN217502975U/en active Active
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