CN211779612U

CN211779612U - Tetrafluoro screwed joint

Info

Publication number: CN211779612U
Application number: CN202020381029.XU
Authority: CN
Inventors: 朱智勇
Original assignee: Wenzhou Lifu Gold Seal Co ltd
Current assignee: Wenzhou Lifu Gold Seal Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-10-27
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a tetrafluoro screwed joint, including screwed joint and the intubate joint of setting at the screwed joint right-hand member, connecting thread has been seted up to screwed joint's the left end outside, the internal thread has been seted up to screwed joint's right-hand member inside, the external screw thread has been seted up to intubate joint's left end outside, intubate joint's outside is located the right side fixedly connected with second capstan of external screw thread. The utility model discloses in, at first, inside is equipped with the locking structure, can carry out further locking with the hose after the installation and handle, has reduced the production that the hose breaks away from the phenomenon when hydraulic pressure is too big to promoted the stability of the installation of hose installation, secondly, adopt closed seal structure, can make up the sealed processing with tetrafluoro screwed joint junction, reduced the production that liquid passes through the junction overflow and leak the phenomenon, thereby promoted tetrafluoro screwed joint connection's leakproofness.

Description

Tetrafluoro screwed joint

Technical Field

The utility model relates to a tetrafluoro connects technical field, especially relates to a tetrafluoro screwed joint.

Background

The polytetrafluoroethylene joint, the famous name polytetrafluoroethylene joint, adopts special processing technology, makes steel pipe and plastic tubing closely combine, can bear the positive pressure 1.6Mpa, the negative pressure: 77 Kpa; can be normally used within-60 ℃ to +260 ℃, and has reliable and excellent corrosion resistance. The conveying pipe can convey strong corrosive gas and liquid at high temperature, which cannot be replaced by other pipelines. The method is widely applied to the fields of machinery, chemical engineering, aviation, electrical and electronic, national defense industry, advanced science and technology, medical treatment and health, electrical insulation and the like. However, the existing tetrafluoro threaded joint still has the defects that: firstly, the hose only pegs graft fixedly through transition fit's mode with the spigot joint, is difficult to carry out further locking with the hose after the installation and handles, and when pipeline internal pressure increased, the hose easily produced the phenomenon that breaks away from, and the stability of installation is relatively poor, and secondly, most tetrafluoro screwed joint junction does not set up seal structure, and when the junction produced the space, liquid easily spilled through the junction, and the leakproofness of connection is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve traditional tetrafluoro screwed joint, be difficult to carry out further locking processing with the hose of installing, the relatively poor problem of stability of installation, and a tetrafluoro screwed joint who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tetrafluoro screwed joint, includes screwed joint and sets up the spigot joint at the screwed joint right-hand member, connecting thread has been seted up to screwed joint's the left end outside, the internal thread has been seted up to screwed joint's right-hand member inside, the external screw thread has been seted up to spigot joint's left end outside, spigot joint's outside is located the right side fixedly connected with second capstan of external screw thread, the right-hand member of second capstan is located the outside fixedly connected with multiunit of spigot joint and is the supporting shoe that the annular array distributes, the inside of multiunit supporting shoe all closes soon and is connected with the adjusting stud.

As a further description of the above technical solution:

the outer portion of the spiral connector is located on the right side of the connecting thread and is fixedly connected with a first rotating disc.

As a further description of the above technical solution:

the outer end faces of the first rotating disc and the second rotating disc are provided with thread grooves.

As a further description of the above technical solution:

the inner end of the adjusting stud is rotatably connected with a pressing plate in an arc structure, and the inner side of the pressing plate is fixedly connected with a lug.

As a further description of the above technical solution:

the inner side of the internal thread is embedded with a first sealing ring, and the outer wall of the first sealing ring is mutually attached to the outer wall of the cannula joint.

As a further description of the above technical solution:

the left end of the second rotating disc is located on a sealing cover fixedly connected with the outer side of the pipe inserting connector, a second sealing ring is embedded into the inner side of the sealing cover, and the outer surface wall of the second sealing ring is mutually attached to the outer surface wall of the spiral connector.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, inside is equipped with the locking structure, be equipped with the supporting shoe on the second capstan, adjust double-screw bolt and clamp plate, after the intubate joint right-hand member is pegged graft to the hose, can inwards rotate the adjusting double-screw bolt on the supporting shoe, when the clamp plate on the adjusting double-screw bolt contacts the hose, under the effect of extrusion force, just can be with the hose locking on the intubate joint, the production that the hose atress breaks away from the phenomenon has been reduced, the hose after this kind of structure can be installed further locking processing, the production that the hose breaks away from the phenomenon when having reduced hydraulic pressure too big, thereby the stability of the installation of hose installation has been promoted.

2. The utility model discloses in, adopt closed seal structure, the inboard of internal thread inlays and is equipped with first sealing washer, can be with space department between screwed joint and the intubate joint is inside, carry out the sealed processing of first step stopper, be equipped with sealed cowling and second sealing washer simultaneously at the left end of second capstan, can be with space department between screwed joint and the intubate joint outside, carry out the sealed processing of second step stopper, screwed joint, intubate joint and the inside confined cavity that just can form of sealed cowling, thereby the production of liquid overflow and leak the phenomenon has been reduced, this kind of structure can make up the sealed processing with tetrafluoro screwed joint junction, the production of liquid through junction overflow and leak the phenomenon has been reduced, thereby the leakproofness of tetrafluoro screwed joint connection has been promoted.

Drawings

Fig. 1 is an exploded view of a tetrafluoro screwed joint according to the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a right side view of the middle bayonet joint of the present invention.

Illustration of the drawings:

1. a screw joint; 101. connecting threads; 102. an internal thread; 2. a cannula fitting; 201. an external thread; 3. a first rotating disk; 4. a second rotating disk; 5. a support block; 6. adjusting the stud; 7. pressing a plate; 701. a bump; 8. a sealing cover; 9. a first seal ring; 10. and a second seal ring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tetrafluoro screwed joint, including screwed joint 1 and the intubate of setting at 1 right-hand member of screwed joint 2, connecting thread 101 has been seted up to the left end outside of screwed joint 1, internal thread 102 has been seted up to the right-hand member inside of screwed joint 1, external screw thread 201 has been seted up to the left end outside of intubate of 2, the outside of intubate of 2 is located the right side fixedly connected with second capstan 4 of external screw thread 201, the right-hand member of second capstan 4 is located the outside fixedly connected with multiunit of intubate 2 and is the supporting shoe 5 that the annular array distributes, the inside of multiunit supporting shoe 5 all closes soon and is connected with adjusting stud.

Specifically, as shown in fig. 1 to 3, the outside of the screw joint 1 is located on the right side of the connecting thread 101 and is fixedly connected with the first rotating disc 3, the outer end faces of the first rotating disc 3 and the second rotating disc 4 are both provided with thread grooves, the inner end of the adjusting stud 6 is rotatably connected with the pressing plate 7 in an arc structure, the inner side of the pressing plate 7 is fixedly connected with a convex block 701, the first rotating disc 3 is arranged, the screw joint of the screw joint 1 is convenient to mount and process, the thread grooves are arranged, the friction force of the contact between the first rotating disc 3 and the second rotating disc 4 and the hand of a user is improved, the pressing plate 7 in the arc structure is arranged, the contact area between the pressing plate 7 and the hose is improved, and meanwhile, the convex block 701 is arranged, and the contact friction force between the pressing plate 7 and the.

Specifically, as shown in fig. 1 to 3, a first sealing ring 9 is embedded inside the internal thread 102, an outer wall of the first sealing ring 9 is attached to an outer wall of the cannula connector 2, the left end of the second rotating disc 4 is fixedly connected to a sealing cover 8 at the outer side of the cannula connector 2, a second sealing ring 10 is embedded inside the sealing cover 8, and an outer wall of the second sealing ring 10 is attached to an outer wall of the screw connector 1. The arrangement of the first sealing ring 9 and the second sealing ring 10 can respectively seal the inner end and the outer end of the joint of the spiral joint 1 and the intubation joint 2, so that a sealed cavity is formed at the joint, and the liquid overflow and leakage phenomenon is reduced.

The working principle is as follows: when the device is used, the check screw joint 1 is screwed to a threaded pipe through the connecting screw thread 101, the hose is inserted and sleeved at the right end of the cannula joint 2, after the left end of the hose is attached to the right end of the second spiral plate 4, the adjusting stud 6 on the supporting block 5 can be rotated inwards, the pressing plate 7 on the adjusting stud 6 can approach to the outside of the hose, when the pressing plate 7 contacts the hose, an inward extrusion force can be generated, so that the hose is extruded and locked between the pressing plate 7 and the cannula joint 2, the installation treatment between the hose and the cannula joint 2 is completed, the first spiral plate 3 and the second spiral plate 4 can be respectively held by two hands, the external screw thread 201 on the cannula joint 2 faces and is screwed into the internal screw thread 102 in the screw joint 1, the connection treatment between the screw joint 1 and the cannula joint 2 is completed, after the screwing and fixing, the first sealing ring 9 can perform the first blocking and sealing treatment on the inside of the connection part, meanwhile, the second sealing ring 10 can perform a second-step blocking and sealing treatment on the outside of the joint, so that the overflow and leakage of liquid passing through the joint are reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tetrafluoro screwed joint, includes screwed joint (1) and intubate joint (2) of setting at screwed joint (1) right-hand member, its characterized in that, connecting thread (101) have been seted up to the left end outside of screwed joint (1), internal thread (102) have been seted up to the right-hand member inside of screwed joint (1), external screw thread (201) have been seted up to the left end outside of intubate joint (2), the outside of intubate joint (2) is located right side fixedly connected with second capstan (4) of external screw thread (201), the right-hand member of second capstan (4) is located outside fixedly connected with multiunit of intubate joint (2) and is supporting shoe (5) that the annular array distributes, the inside of multiunit supporting shoe (5) all closes soon and is connected with regulation double-screw bolt (6).

2. A tetrafluoro thread joint according to claim 1, characterized in that a first rotary disk (3) is fixedly connected to the outside of the screw joint (1) on the right side of the connecting thread (101).

3. The tetrafluoro threaded joint according to claim 2, characterized in that the outer end faces of the first rotating disc (3) and the second rotating disc (4) are both provided with thread grooves.

4. The tetrafluoro threaded joint according to claim 1, characterized in that the inner end of the adjusting stud (6) is rotatably connected with a press plate (7) in an arc structure, and the inner side of the press plate (7) is fixedly connected with a convex block (701).

5. The tetrafluoro threaded joint as set forth in claim 1, characterized in that the first seal ring (9) is embedded inside the internal thread (102), and the outer wall of the first seal ring (9) and the outer wall of the spigot joint (2) are fitted to each other.

6. The tetrafluoro threaded joint according to claim 5, characterized in that the left end of the second spiral (4) is fixedly connected with a sealing cover (8) at the outer side of the spigot joint (2), a second sealing ring (10) is embedded at the inner side of the sealing cover (8), and the outer wall of the second sealing ring (10) is attached to the outer wall of the screw joint (1).