CN220379105U

CN220379105U - Threaded pipe fitting

Info

Publication number: CN220379105U
Application number: CN202321801576.9U
Authority: CN
Inventors: 林全德; 李泽轩; 林熙程
Original assignee: Jiangsu Ruidong Valve&pipeline Technology Co ltd
Current assignee: Jiangsu Ruidong Valve&pipeline Technology Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-23
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of pipeline connection and discloses a threaded pipe fitting which comprises a joint main body, a knob block, a plastic pipe and a metal pipe, wherein the knob block, the plastic pipe and the metal pipe are arranged on an outer ring of the joint main body and used for driving the joint main body to rotate, connecting holes are formed in two ends of the joint main body, external threads used for being connected with the joint main body are formed in one ends of the plastic pipe and the metal pipe, a connecting end used for being connected with the external threads is arranged in the connecting holes of the joint main body, an extension rod, a connector and internal threads are arranged on the connecting end, and an adjusting mechanism used for controlling the connecting end is arranged in the joint main body. According to the utility model, through the connecting end and the adjusting mechanism, the position of the internal thread can be changed through changing the rotation angle of the knob, and the plastic pipes and the metal pipes with different outer diameters can be connected and installed, so that the universality of the equipment is improved.

Description

Threaded pipe fitting

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a threaded pipe fitting.

Background

In the pipe connection field, can use a lot of attach fitting, the branch connection of related pipeline can use three way connection, cross connection etc. to different material pipe connection, like the connection of tubular metal resonator and plastic tubing, can use steel plastic crossover sub.

The steel-plastic adapter for the threaded pipe fitting with the searched application number of CN202222815706.6 comprises an adapter main body, an adapter tube and a first elastic leather sheath, wherein a second elastic leather sheath is arranged on the right side of the adapter main body. The utility model overcomes the defects of the prior art, and the first elastic leather sheath and the second elastic leather sheath are arranged, so that after the joint main body completes the switching work of the plastic pipe and the metal pipe, the first elastic leather sheath can be carried out under the direction of the plastic pipe, the first elastic leather sheath can wrap the surface of the plastic pipe, the second elastic leather sheath carries out under the direction of the metal pipe, the surface of the metal pipe is wrapped, the first elastic leather sheath and the second elastic leather sheath can cover the two butt joint positions, the pollution on the joint of the plastic pipe and the metal pipe and the joint main body is reduced, the corrosion and rust on the joint of the plastic pipe and the metal pipe and the joint main body can be slowed down, and the later disassembly work of the joint main body is prevented from being influenced.

When the technical scheme is used, the connecting end on the connector main body is of a fixed structure, the connector main body cannot be adjusted, and when pipe fittings with different diameters are required to be installed, different connecting ends are required, so that the connector main body with different diameters is required to be installed and connected, and the universality of the equipment is poor.

To this end, we propose a threaded pipe fitting.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a threaded pipe fitting.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the threaded pipe fitting comprises a joint main body, a knob block, a plastic pipe and a metal pipe, wherein the knob block, the plastic pipe and the metal pipe are arranged on an outer ring of the joint main body and used for driving the joint main body to rotate, connecting holes are formed in two ends of the joint main body, external threads used for being connected with the joint main body are formed in one ends of the plastic pipe and the metal pipe, a connecting end used for being connected with the external threads is arranged in the connecting holes of the joint main body, an extension rod, a connector and internal threads are arranged on the connecting end, an adjusting mechanism used for controlling the connecting end is arranged in the joint main body, mounting grooves are formed in two ends of the joint main body, and sealing parts used for sealing the plastic pipe and the metal pipe are arranged on the inner walls of the mounting grooves.

Further, a plurality of sliding holes which are circumferentially arranged are formed in the inner wall of the connector main body, the extension rod is slidably connected to the inner wall of the sliding hole, the connector is arranged at the axial position of one end of the extension rod, which is far away from the connector main body, and the internal thread is arranged on the outer wall of one side of the connector in a threaded mode and is matched with the external thread.

Further, be provided with knob and connection bull stick in the adjustment mechanism, connect main part one end to be provided with the rotation hole, connect the bull stick rotation and connect in the rotation hole inner wall, and connect bull stick one end axial fixedly connected with first bevel gear, knob fixed connection is in the connection bull stick other end axial position.

Further, the inner wall of the joint main body is rotationally connected with a bevel gear ring, the bevel gear ring is annular, both ends of the bevel gear ring are provided with bevel gear grooves, and the first bevel gear is meshed with the outer wall of the bevel gear groove at one end of the bevel gear ring.

Further, the inner wall of the joint main body is fixedly connected with a sliding seat at the axial position of the sliding hole, the extension rod is slidably connected to the inner wall of the sliding seat, a second bevel gear is rotatably connected to the axial position of the outer wall of the sliding seat, and the second bevel gear is meshed with the outer wall of the bevel gear groove at the other end of the bevel gear ring.

Further, a screw rod is fixedly connected to the axial position of the second bevel gear, the screw rod is rotatably connected to the inner wall of the sliding seat, and the screw rod is in threaded connection with the inner wall of the extension rod.

Further, a sealing ring is arranged in the sealing part and is installed on the inner wall of the installation groove.

Further, the sealing ring one end is provided with the arch that the cross section is isosceles trapezoid, and the arch is interior little outside big structure, and protruding one end is provided with and is curved arc portion.

Advantageous effects

The utility model provides a threaded pipe fitting. The beneficial effects are as follows:

(1) This screw thread pipe fitting, through link and adjustment mechanism that sets up, when needs install plastic tubing and tubular metal resonator, rotate the knob this moment, the knob rotates and can drive first bevel gear through connecting the bull stick and rotate, first bevel gear rotates and can drive the bevel gear ring and rotate at the joint main part inner wall, the bevel gear ring can drive a plurality of second bevel gears through the bevel gear groove on the other end and rotate in step, the second bevel gear rotates and drives the lead screw and rotate then drive the extension rod on it through the lead screw rotation and slide in the sliding seat, can adjust the position of connector, adjust the connector to the position of adaptation external screw, can pass through the internal thread on the external screw thread spiro union joint with plastic tubing and tubular metal resonator, fix plastic tubing and tubular metal resonator, thereby change the position of internal screw through the change of knob rotation angle, can carry out the connection installation to plastic tubing and tubular metal resonator of different external diameters, improve the universality of equipment.

(2) This kind of screw thread pipe fitting, through the sealing portion that sets up, when plastic tubing and tubular metal resonator are installed in the joint main part, the last arc portion contact and extrusion to it in the joint main part of plastic tubing and tubular metal resonator installation end this moment, can drive arc portion and arch through the extrusion and produce deformation, improve the area of contact between plastic tubing and tubular metal resonator through the deformation of arch and arc portion to can pack the plastic tubing with the clearance of tubular metal resonator and joint main part contact department through the extrusion, improve the leakproofness of connection, avoid producing and reveal.

(3) This threaded pipe fitting, protruding for interior little outside major structure through protruding and the arc portion that sets up to can improve the area of contact with between plastic tubing and the metal pipe, can let more partial arc portion and plastic tubing and metal pipe contact, and the arc design of arc portion, make things convenient for its packing to the space when extrusion deformation, can improve the leakproofness to plastic tubing and metal pipe effectively then.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of a joint body of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of portion B of fig. 2 in accordance with the present utility model.

Legend description: 1. a joint body; 2. a knob block; 3. a knob; 4. a plastic tube; 5. a metal tube; 6. an external thread; 7. connecting a rotating rod; 8. an extension rod; 9. a connector; 10. an internal thread; 11. a first bevel gear; 12. a bevel gear ring; 13. a second bevel gear; 14. a screw rod; 15. a sliding seat; 16. a seal ring; 17. a protrusion; 18. an arc-shaped part.

Detailed Description

Embodiment one: the utility model provides a screw thread pipe fitting, as shown in fig. 1-3, including joint main part 1, be used for driving joint main part 1 pivoted knob piece 2 on joint main part 1 outer loop, plastic tubing 4 and tubular metal resonator 5, joint main part 1 both ends all are provided with the connecting hole, one end is provided with the external screw thread 6 that is used for being connected with joint main part 1 on plastic tubing 4 and the tubular metal resonator 5, be provided with the link that is used for being connected with external screw thread 6 on the connecting hole on the joint main part 1, be provided with extension rod 8 on the link, connector 9 and internal screw thread 10, be provided with in the joint main part 1 and be used for the adjustment mechanism to link control, joint main part 1 both ends all are provided with the mounting groove, the mounting groove inner wall is provided with the sealing portion that is used for sealing plastic tubing 4 and tubular metal resonator 5.

The inner wall of the joint main body 1 is provided with a plurality of sliding holes which are circumferentially arranged, the extension rod 8 is slidably connected with the inner wall of the sliding hole, the joint 9 is arranged at the axial position of one end of the extension rod 8 far away from the joint main body 1, the internal thread 10 is arranged on the outer wall of one side of the joint 9 in a threaded manner, and the internal thread 10 is matched with the external thread 6.

The adjusting mechanism is internally provided with a knob 3 and a connecting rotating rod 7, one end of the joint main body 1 is provided with a rotating hole, the connecting rotating rod 7 is rotationally connected to the inner wall of the rotating hole, one end of the connecting rotating rod 7 is axially fixedly connected with a first bevel gear 11, and the knob 3 is fixedly connected to the other end of the connecting rotating rod 7 in an axial position.

The inner wall of the joint main body 1 is rotationally connected with a bevel gear ring 12, the bevel gear ring 12 is annular, two ends of the bevel gear ring 12 are provided with bevel gear grooves, and a first bevel gear 11 is meshed with the outer wall of the bevel gear groove at one end of the bevel gear ring 12.

The inner wall of the joint main body 1 is fixedly connected with a sliding seat 15 at the axial position of the sliding hole, the extension rod 8 is slidably connected to the inner wall of the sliding seat 15, a second bevel gear 13 is rotatably connected to the axial position of the outer wall of the sliding seat 15, and the second bevel gear 13 is meshed with the outer wall of a bevel gear groove at the other end of the bevel gear ring 12.

The axial position of the second bevel gear 13 is fixedly connected with a screw rod 14, the screw rod 14 is rotatably connected to the inner wall of the sliding seat 15, and the screw rod 14 is in threaded connection with the inner wall of the extension rod 8.

Through link and adjustment mechanism that sets up, when needs install plastic tubing 4 and tubular metal resonator 5, rotate knob 3 this moment, knob 3 rotates and can drive first bevel gear 11 through connecting bull stick 7 and rotate, first bevel gear 11 rotates and can drive bevel gear ring 12 and rotate at joint main part 1 inner wall, bevel gear ring 12 can drive a plurality of second bevel gears 13 through the taper gear groove on the other end and rotate in step, second bevel gear 13 rotates and drives lead screw 14 and rotate and drive the extension pole 8 on it through lead screw 14 and slide in sliding seat 15, can adjust the position of connector 9, adjust connector 9 to the position of adaptation external screw thread 6, can be fixed plastic tubing 4 and tubular metal resonator 5 through the internal screw thread 10 on the external screw thread 6 spiro union connector 9, thereby change the position of internal screw thread 10 through knob 3 rotation angle, can connect the installation to plastic tubing 4 and tubular metal resonator 5 of different external diameters, improve the universality of equipment.

Embodiment two: in the first embodiment, referring to fig. 4, a seal ring 16 is provided in the seal portion, and the seal ring 16 is mounted on the inner wall of the mounting groove.

One end of the sealing ring 16 is provided with a bulge 17 with an isosceles trapezoid cross section, the bulge 17 is of a small inner and large outer structure, and one end of the bulge 17 is provided with an arc-shaped part 18 which is arc-shaped.

Through the sealing portion that sets up, when plastic tubing 4 and tubular metal resonator 5 are installed on joint main part 1, at this moment on plastic tubing 4 and the tubular metal resonator 5 installation end with joint main part 1 on arc portion 18 contact and extrude it, can drive arc portion 18 and protruding 17 through the extrusion and produce deformation, improve the area of contact between plastic tubing 4 and tubular metal resonator 5 through the deformation of protruding 17 and arc portion 18 to can pack the plastic tubing 4 with the space of tubular metal resonator 5 and joint main part 1 contact department through the extrusion, improve the leakproofness of connection, avoid producing and reveal.

Through protruding 17 and arc portion 18 that set up, protruding 17 is interior little outside big structure to can improve the area of contact with between plastic tubing 4 and the tubular metal resonator 5, can let more partial arc portion 18 and plastic tubing 4 and tubular metal resonator 5 contact, and the arc design of arc portion 18, make things convenient for its packing to the space when extrusion deformation, can improve the leakproofness to plastic tubing 4 and tubular metal resonator 5 effectively then.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a screw thread pipe fitting, includes joint main part (1), sets up on the outer loop of joint main part (1) and is used for driving joint main part (1) pivoted knob piece (2), plastic tubing (4) and tubular metal resonator (5), its characterized in that: the novel plastic pipe connector comprises a connector body (1), connecting holes are formed in two ends of the connector body (1), external threads (6) used for being connected with the connector body (1) are arranged at one ends of a plastic pipe (4) and a metal pipe (5), connecting ends used for being connected with the external threads (6) are arranged in the connecting holes of the connector body (1), an extension rod (8), a connector (9) and internal threads (10) are arranged on the connecting ends, an adjusting mechanism used for controlling the connecting ends is arranged in the connector body (1), mounting grooves are formed in two ends of the connector body (1), and sealing portions used for sealing the plastic pipe (4) and the metal pipe (5) are arranged on the inner walls of the mounting grooves.

2. A threaded tubular component according to claim 1, characterized in that: a plurality of sliding holes which are circumferentially arranged are formed in the inner wall of the joint main body (1), the extension rod (8) is slidably connected to the inner wall of the sliding hole, the connector (9) is arranged at the axial position, away from one end of the joint main body (1), of the extension rod (8), the internal threads (10) are arranged on the outer wall of one side of the connector (9) in a threaded mode, and the internal threads (10) are matched with the external threads (6).

3. A threaded tubular component according to claim 2, characterized in that: be provided with knob (3) and connection bull stick (7) in the adjustment mechanism, joint main part (1) one end is provided with the rotation hole, connects bull stick (7) rotation and connects in the rotation hole inner wall, and connects bull stick (7) one end axial fixedly connected with first bevel gear (11), knob (3) fixedly connected with in connect bull stick (7) other end axial position.

4. A threaded tubular component according to claim 3, characterized in that: the inner wall of the joint main body (1) is rotationally connected with a bevel gear ring (12), the bevel gear ring (12) is annular, bevel gear grooves are formed in two ends of the bevel gear ring (12), and the first bevel gear (11) is meshed with the outer wall of the bevel gear groove at one end of the bevel gear ring (12).

5. The threaded tubular component of claim 4, wherein: the inner wall of the joint main body (1) is fixedly connected with a sliding seat (15) at the axial position of the sliding hole, the extension rod (8) is slidably connected to the inner wall of the sliding seat (15), a second bevel gear (13) is rotationally connected to the axial position of the outer wall of the sliding seat (15), and the second bevel gear (13) is meshed with the outer wall of a bevel gear groove at the other end of the bevel gear ring (12).

6. A threaded tubular component according to claim 5, characterized in that: the second bevel gear (13) is fixedly connected with a screw rod (14) at the axial position, the screw rod (14) is rotationally connected to the inner wall of the sliding seat (15), and the screw rod (14) is in threaded connection with the inner wall of the extension rod (8).

7. A threaded tubular component according to claim 1, characterized in that: a sealing ring (16) is arranged in the sealing part, and the sealing ring (16) is installed on the inner wall of the installation groove.

8. The threaded tubular component of claim 7, wherein: one end of the sealing ring (16) is provided with a bulge (17) with an isosceles trapezoid cross section, the bulge (17) is of a structure with a small inside and a large outside, and one end of the bulge (17) is provided with an arc-shaped part (18) with an arc shape.