CN210623837U - Thread external thread joint with good sealing effect - Google Patents
Thread external thread joint with good sealing effect Download PDFInfo
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- CN210623837U CN210623837U CN201921683070.6U CN201921683070U CN210623837U CN 210623837 U CN210623837 U CN 210623837U CN 201921683070 U CN201921683070 U CN 201921683070U CN 210623837 U CN210623837 U CN 210623837U
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- sealing
- external thread
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Abstract
The utility model discloses a threaded external thread joint with good sealing effect, which comprises a connector, wherein the front part of the connector is provided with an external thread, and the rear part of the connector is provided with a wrench head; the inner sealing structure comprises a plurality of fixing grooves, inner sealing sleeves and fixing rails, the fixing grooves are longitudinally arranged at the outer threads of the connector, the inner sides of the inner sealing sleeves are provided with a plurality of fixing rails matched with the fixing grooves, and the inner sealing sleeves are connected with the connector through the fixing rails and the fixing grooves; this sealed effectual screw thread external thread connects through the connector, fixed slot, fixed rail, inner seal cover, external screw thread, wrench, swivel nut, pull the hole, outer seal cover, water pipe, inner seal hole, side pressure spiral shell and the structure of side pressure bolt that set up, has realized the multiple seal to the junction, has not only improved sealed effect greatly, simple structure moreover, convenient to use, safe and reliable.
Description
Technical Field
The utility model relates to a sealed effectual outer screwed joint field of screw thread specifically is a sealed effectual outer screwed joint of screw thread.
Background
The existing thread external thread joint cannot perfectly seal high-pressure fluid or fluid with relatively strong permeability, according to analysis, the structure of the existing thread external thread joint is usually very simple, the existing thread external thread joint is generally directly connected by using a metal or nonmetal thread head, and the sealing enhancement mode is also realized by using a sealing ring or improving the connection performance of a connecting material; although the structures and the modes have a certain sealing effect, the reliability is not high; therefore, the invention provides a new high-efficiency sealing thread external tooth joint with convenient use and high reliability.
Disclosure of Invention
An object of the utility model is to provide a sealed effectual outer tooth of screw connects to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a threaded external thread joint with good sealing effect comprises a joint, wherein the front part of the joint is provided with external threads, and the rear part of the joint is provided with a wrench head; the inner sealing structure comprises a plurality of fixing grooves, inner sealing sleeves and fixing rails, the fixing grooves are longitudinally arranged at the outer threads of the connector, the inner sides of the inner sealing sleeves are provided with a plurality of fixing rails matched with the fixing grooves, and the inner sealing sleeves are connected with the connector through the fixing rails and the fixing grooves; the outer side of the inner sealing sleeve is provided with an external thread; the rear part of the connector is provided with an outer sealing device, the outer sealing device comprises a threaded sleeve, a pulling hole, an outer sealing sleeve, a side pressure screw hole and a side pressure bolt, the rear part of the connector is provided with the threaded sleeve, and the pulling hole and a hexagonal head are arranged on the threaded sleeve; an outer sealing sleeve is arranged on the inner side of the screw sleeve; an inner sealing hole is formed in the inner side of the outer sealing sleeve; and a side pressure screw hole is formed in one side of the screw sleeve, and a side pressure bolt is installed on the side pressure screw hole.
As a further aspect of the present invention: the fixing groove is of an integral casting structure.
As a further aspect of the present invention: the inner sealing sleeve is made of soft rubber, and the thickness of the inner sealing sleeve is equal to the thickness of a gap between the water pipe and the connector.
As a further aspect of the present invention: the outer sealing sleeve is made of rubber, an internal thread is arranged on the inner side of the threaded sleeve, an external thread matched with the threaded sleeve is arranged on the inner side of the outer sealing sleeve, and the outer sealing sleeve is connected with the threaded sleeve through thread matching.
As a further aspect of the present invention: the inner sealing hole is a ladder-shaped hole with a narrow front part and a wide rear part.
Compared with the prior art, the beneficial effects of the utility model are that: this sealed effectual screw thread external thread connects through the connector, fixed slot, fixed rail, inner seal cover, external screw thread, wrench, swivel nut, pull the hole, outer seal cover, water pipe, inner seal hole, side pressure spiral shell and the structure of side pressure bolt that set up, has realized the multiple seal to the junction, has not only improved sealed effect greatly, simple structure moreover, convenient to use, safe and reliable.
Drawings
Fig. 1 is a schematic structural view of a threaded external thread joint with good sealing effect.
Fig. 2 is a schematic structural diagram of an inner sealing structure in a threaded outer tooth joint with good sealing effect.
Fig. 3 is a schematic structural view of an outer sealing device in a threaded outer joint with good sealing effect.
Fig. 4 is a schematic structural view of a fixing groove in a threaded male coupling having a good sealing effect.
Fig. 5 is a schematic structural view of a fixed rail in a threaded external thread joint with good sealing effect.
In the figure: the device comprises a connector 1, an inner sealing structure 2, a fixing groove 3, a fixing rail 4, an inner sealing sleeve 5, an external thread 6, a wrench head 7, an outer sealing device 8, a threaded sleeve 9, a wrench hole 10, an outer sealing sleeve 11, a water pipe 12, an inner sealing hole 13, a lateral pressure screw hole 14 and a lateral pressure bolt 15.
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.
Referring to fig. 1 to 5, in an embodiment of the present invention, a threaded external thread joint with good sealing effect includes a joint 1, wherein an external thread 6 is disposed at a front portion of the joint 1, and a wrench 7 is disposed at a rear portion of the joint 1, and the wrench 7 is used for facilitating screwing; an inner sealing structure 2 is arranged at the position of an external thread 6 of the connector 1, the inner sealing structure 2 comprises fixing grooves 3, an inner sealing sleeve 5 and fixing rails 4, a plurality of fixing grooves 3 are arranged at the position of the external thread 6 of the connector 1, the fixing grooves 3 are longitudinally arranged, the fixing grooves 3 are of an integral casting structure, a plurality of fixing rails 4 matched with the fixing grooves 3 are arranged on the inner side of the inner sealing sleeve 5, and the inner sealing sleeve 5 is connected with the connector 1 through the fixing rails 4 and the fixing grooves 3; the inner sealing sleeve 5 is made of soft rubber, the thickness of the inner sealing sleeve 5 is equal to that of a gap between the water pipe 12 and the connector 1, and the inner sealing sleeve 5 is used for sealing the inner side of the joint of the water pipe 12; the outer side of the inner sealing sleeve 5 is provided with an external thread 6, and the external thread 6 is arranged on the outer side of the inner sealing sleeve 5 and is used for being conveniently matched with an internal thread of a 12-head water pipe, so that the tightness is enhanced, and meanwhile, the connection firmness is improved; the inner sealing structure 2 is used for sealing the inner side of the connector 1;
referring to fig. 1 and 3, in the embodiment of the present invention, an outer sealing device 8 is disposed at the rear portion of the connector 1, the outer sealing device 8 includes a threaded sleeve 9, a pulling hole 10, an outer sealing sleeve 11, a lateral pressure screw hole 14 and a lateral pressure bolt 15, the threaded sleeve 9 is disposed at the rear portion of the connector 1, the pulling hole 10 and a hexagonal head are disposed on the threaded sleeve 9, and the pulling hole 10 is used for facilitating quick screwing adjustment by using a screwdriver; an outer sleeve 11 is arranged on the inner side of the screw sleeve 9, the outer sleeve 11 is made of rubber, an internal thread is arranged on the inner side of the screw sleeve 9, an external thread 6 matched with the screw sleeve 9 is arranged on the inner side of the outer sleeve 11, and the outer sleeve 11 is connected with the screw sleeve 9 through thread matching; the inner side of the outer sealing sleeve 11 is provided with an inner sealing hole 13, the inner sealing hole 13 is a ladder-shaped hole with a narrow front part and a wide rear part, and the sealing effect is improved by the structure; a side pressure screw hole 14 is formed in one side of the screw sleeve 9, a side pressure bolt 15 is mounted on the side pressure screw hole 14, and the side pressure screw hole 14 and the side pressure bolt 15 are used for adjusting the compression degree of the outer sealing sleeve 11, so that the sealing effect is adjusted; the outer sealing device 8 is used for sealing the outer side of the connector 1;
when the water pipe connector is used, the inner sealing sleeve 5 is inserted into the external thread 6 of the connector 1 through the matching of the fixed rail 4 and the fixed groove 3, and then the water pipe 12 is connected with the external thread 6 of the connector 1 through the internal thread; the inner sealing of the joint is realized by an inner sealing sleeve 5; then the outer sealing sleeve 11 is arranged in the threaded sleeve 9, then the threaded sleeve 9 is rotated, and the threaded sleeve 9 and the outer sealing sleeve 11 are sleeved on the outer side of the joint to realize the outer sealing of the water pipe 12; then, the tightness of the outer jacket 9 is adjusted by the side pressure bolts 15 and the side pressure screw holes 14.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A threaded external thread joint with good sealing effect comprises a joint (1) and is characterized in that an external thread (6) is arranged at the front part of the joint (1), and a wrench head (7) is arranged at the rear part of the joint (1); an inner sealing structure (2) is arranged at the position of an external thread (6) of the connector (1), the inner sealing structure (2) comprises fixing grooves (3), an inner sealing sleeve (5) and fixing rails (4), a plurality of fixing grooves (3) are formed at the position of the external thread (6) of the connector (1), the fixing grooves (3) are longitudinally arranged, a plurality of fixing rails (4) matched with the fixing grooves (3) are arranged on the inner side of the inner sealing sleeve (5), and the inner sealing sleeve (5) is connected with the connector (1) through the fixing rails (4) and the fixing grooves (3); the outer side of the inner sealing sleeve (5) is provided with an external thread (6); an outer sealing device (8) is arranged at the rear part of the connector (1), the outer sealing device (8) comprises a threaded sleeve (9), a pulling hole (10), an outer sealing sleeve (11), a side pressure screw hole (14) and a side pressure bolt (15), the threaded sleeve (9) is arranged at the rear part of the connector (1), and the pulling hole (10) and a hexagonal head are arranged on the threaded sleeve (9); an outer sealing sleeve (11) is arranged on the inner side of the threaded sleeve (9); an inner sealing hole (13) is formed in the inner side of the outer sealing sleeve (11); one side of the screw sleeve (9) is provided with a side pressure screw hole (14), and a side pressure bolt (15) is installed on the side pressure screw hole (14).
2. A screw thread male coupling with good sealing effect according to claim 1, wherein the fixing groove (3) is of an integral casting structure.
3. The threaded external thread joint with good sealing effect as claimed in claim 1, wherein the inner sealing sleeve (5) is made of soft rubber, and the thickness of the inner sealing sleeve (5) is equal to the thickness of the gap between the water pipe (12) and the connector (1).
4. The threaded external thread joint with the good sealing effect as claimed in claim 1, wherein the external sealing sleeve (11) is made of rubber, an internal thread is arranged on the inner side of the thread sleeve (9), an external thread (6) matched with the thread sleeve (9) is arranged on the inner side of the external sealing sleeve (11), and the external sealing sleeve (11) is connected with the thread sleeve (9) through thread matching.
5. A threaded external connection according to claim 1, characterized in that said internal sealing hole (13) is a trapezoidal hole with a narrow front and a wide rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683070.6U CN210623837U (en) | 2019-10-10 | 2019-10-10 | Thread external thread joint with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683070.6U CN210623837U (en) | 2019-10-10 | 2019-10-10 | Thread external thread joint with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623837U true CN210623837U (en) | 2020-05-26 |
Family
ID=70759518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921683070.6U Active CN210623837U (en) | 2019-10-10 | 2019-10-10 | Thread external thread joint with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623837U (en) |
-
2019
- 2019-10-10 CN CN201921683070.6U patent/CN210623837U/en active Active
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