CN212509885U

CN212509885U - Three-shoulder anti-thread gluing pipe body airtight connection hoop-free connector

Info

Publication number: CN212509885U
Application number: CN202021076567.4U
Authority: CN
Inventors: 高岳; 徐珂
Original assignee: Jiangsu Changbao Taobang Petroleum Pipe Co ltd
Current assignee: Jiangsu Changbao Taobang Petroleum Pipe Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-09
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a three circular bead anti-thread gluing body airtight connection does not have connect hoop formula to connect, include: the pipe comprises a pipe body, a first thread head and a sealing groove; the right side of the pipe body is provided with a first threaded head, and the pipe body and the first threaded head are of an integrated structure; the second thread head is positioned on the right side of the first thread head, and the second thread head and the first thread head are of an integrated structure; the sealing groove is respectively positioned at the right side of the outer sides of the first thread head and the second thread head, and the sealing groove and the first thread head and the second thread head are respectively of an integrated structure; the chamfer is respectively located the outside of body and second screw thread head right-hand member and the inboard of body and second screw thread section of thick bamboo left end, and chamfer respectively with body and second screw thread section of thick bamboo formula structure as an organic whole. Through the improvement structurally, have the thread gluing of preventing, simple to operate and the good advantage of gas tightness to effectual solution the utility model discloses the problem that proposes in prior art one with not enough.

Description

Three-shoulder anti-thread gluing pipe body airtight connection hoop-free connector

Technical Field

The utility model relates to a body connects technical field, and more specifically the theory that says so especially relates to an airtight connection of three circular bead anti-thread gluing body does not have connect hoop formula to connect.

Background

The pipe body without coupling is composed of two parts of a pipe body and a threaded connection part, compared with the common pipe body, the pipe body does not have the coupling, but the inner thread and the outer thread are directly processed on the pipe body, and when the two pipe bodies are screwed through the inner thread and the outer thread, the outer diameter of the two pipe bodies cannot be changed.

However, the conventional non-coupling pipe body joint still has the problems that the anti-sticking function is not complete, the metal on the matching surface of the internal thread and the external thread can be bonded under the influence of the local friction interference effect, and meanwhile, the device is only sealed by the matching of the internal thread and the external thread, so that the leakage of the pipe body is easily caused.

In view of the above, the present invention provides a three-shoulder anti-galling pipe body airtight connection clamp-free type joint, which is developed and improved to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three circular bead anti-thread gluing body airtight connection does not have hoop formula and connects to the current common hoop formula body that does not provide in solving above-mentioned background art connects still to have anti-thread gluing function imperfection, and inside and outside screw thread fitting surface metal can appear the phenomenon of bonding under the influence of local friction interference effect, simultaneously, only seals the device through the cooperation of inside and outside screw thread, causes the problem and the not enough of body leakage easily.

In order to achieve the above object, the present invention provides a three-shoulder anti-sticking pipe airtight connection joint without coupling, which is achieved by the following specific technical means:

a three-shoulder anti-galling pipe body airtight connection collar-less type joint comprising: the sealing device comprises a pipe body, a first thread head, a second thread head, a sealing groove, a sealing ring, a first thread cylinder, a second thread cylinder, a clamping ring and a chamfer; the right side of the pipe body is provided with a first threaded head, and the pipe body and the first threaded head are of an integrated structure; the second thread head is positioned on the right side of the first thread head, and the second thread head and the first thread head are of an integrated structure; the sealing groove is respectively positioned at the right side of the outer sides of the first thread head and the second thread head, and the sealing groove and the first thread head and the second thread head are respectively of an integrated structure; the sealing ring is arranged on the left side in the sealing groove and is clamped with the sealing groove; the first threaded cylinder is positioned on the left side of the pipe body, and the first threaded cylinder and the pipe body are of an integrated structure; the second threaded cylinder is positioned on the left side of the first threaded cylinder, and the second threaded cylinder and the first threaded cylinder are of an integrated structure; the clamping ring is respectively positioned at the right side in the first thread cylinder and the second thread cylinder, and the clamping ring and the first thread cylinder and the second thread cylinder are respectively of an integrated structure; the chamfer is respectively located the outside of body and second screw thread head right-hand member and the inboard of body and second screw thread section of thick bamboo left end, and chamfer respectively with body and second screw thread section of thick bamboo formula structure as an organic whole.

As a further optimization of this technical scheme, the utility model relates to a three circular bead anti-sticking thread body airtight connection does not have connect hoop formula to connect first thread head and second thread head are the pipe column structure, and the outside of first thread head and second thread head all is equipped with the screw thread.

As the further optimization of this technical scheme, the utility model relates to a three circular bead anti-sticking pipe body airtight connection does not have connect hoop formula to connect the seal groove is the annular groove of L shape for the cross-section, and the seal groove passes through clearance fit's mode sliding connection with the snap ring.

As a further optimization of this technical scheme, the utility model relates to a three circular bead anti-sticking thread body airtight connection does not have connects hoop formula to connect a first screw thread section of thick bamboo and a second screw thread section of thick bamboo are the pipe column structure, and the inboard of a first screw thread section of thick bamboo and a second screw thread section of thick bamboo all is equipped with the screw thread.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a three circular bead anti-thread gluing body airtight connection does not have connects hoop formula to connect through setting up first thread head and second thread head on the right side of body to set up first screw thread section of thick bamboo and second screw thread section of thick bamboo in the left side of body, utilize the mode of three circular beads to connect between the body, set up the chamfer through the junction at the device simultaneously, can reduce the pressure between the screw thread, thereby make the device play the effect of preventing the thread gluing.

2. The utility model relates to a three circular bead anti-sticking body airtight connection does not have connects hoop formula to connect sets up seal groove and sealing washer through the outside at first thread head and second thread head, can conveniently install it to prevent appearing causing the problem that drops and can not be discovered because of the sealing washer setting takes place in the device is inside to cause the connection process to play simple to operate's effect.

3. The utility model relates to a three circular bead anti-thread gluing body airtight connection does not have connects hoop formula to connect, sets up the snap ring through the inside at a first screw thread section of thick bamboo and a second screw thread section of thick bamboo, utilizes its cooperation with the sealing washer, can strengthen the sealed effect of device to make the device play the effect that the gas tightness is good.

4. The utility model discloses a structurally to above-mentioned device, have thread gluing prevention, simple to operate and the good advantage of gas tightness to effectual solution the utility model discloses the problem of proposing in background art one with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the screw head of the present invention;

FIG. 3 is a schematic structural view of the threaded cylinder of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the pipe joint of the present invention.

In the figure: body 1, first thread head 2, second thread head 3, seal groove 4, sealing washer 5, first thread section of thick bamboo 6, second thread section of thick bamboo 7, snap ring 8, chamfer 9.

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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a specific technical implementation of a three-shoulder anti-galling pipe body airtight connection hoop-free joint:

a three-shoulder anti-galling pipe body airtight connection collar-less type joint comprising: the sealing device comprises a pipe body 1, a first thread head 2, a second thread head 3, a sealing groove 4, a sealing ring 5, a first thread cylinder 6, a second thread cylinder 7, a clamping ring 8 and a chamfer 9; the right side of the pipe body 1 is provided with a first threaded head 2, and the pipe body 1 and the first threaded head 2 are of an integrated structure; the second thread head 3 is positioned at the right side of the first thread head 2, and the second thread head 3 and the first thread head 2 are of an integrated structure; the sealing groove 4 is respectively positioned at the right side of the outer sides of the first thread head 2 and the second thread head 3, and the sealing groove 4 and the first thread head 2 and the second thread head 3 are respectively of an integrated structure; the sealing ring 5 is arranged on the left side in the sealing groove 4, and the sealing ring 5 is clamped with the sealing groove 4; the first threaded cylinder 6 is positioned on the left side of the pipe body 1, and the first threaded cylinder 6 and the pipe body 1 are of an integrated structure; the second threaded cylinder 7 is positioned on the left side of the first threaded cylinder 6, and the second threaded cylinder 7 and the first threaded cylinder 6 are of an integrated structure; the clamping ring 8 is respectively positioned at the right side in the first thread cylinder 6 and the second thread cylinder 7, and the clamping ring 8 and the first thread cylinder 6 and the second thread cylinder 7 are respectively of an integrated structure; chamfer 9 is located the outside of body 1 and the 3 right-hand members of second thread head and the inboard of body 1 and the 7 left ends of second thread section of thick bamboo respectively, and chamfer 9 respectively with body 1 and the 7 formula structures as an organic whole of second thread section of thick bamboo.

Specifically, first thread head 2 and second thread head 3 are round tubular structure, and the outside of first thread head 2 and second thread head 3 all is equipped with the screw thread, as shown in fig. 4, the internal diameter of body 1, first thread head 2 and second thread head 3 equals, and the external diameter decreases progressively in proper order.

Specifically, the seal groove 4 is an annular groove with an L-shaped cross section, and the seal groove 4 is slidably connected with the snap ring 8 in a clearance fit manner.

Specifically, first thread section of thick bamboo 6 and second thread section of thick bamboo 7 are round tubular structure, and the inboard of first thread section of thick bamboo 6 and second thread section of thick bamboo 7 all is equipped with the screw thread, as shown in fig. 4, the external diameter of body 1, first thread section of thick bamboo 6 and second thread section of thick bamboo 7 equals, and the internal diameter increases progressively in proper order.

The method comprises the following specific implementation steps:

firstly install sealing washer 5 respectively in the inside of every department seal groove 4, then with the device first thread head 2 and second thread head 3 utilize the mode of screwing on be connected with another the device first thread section of thick bamboo 6 and second thread section of thick bamboo 7 can, through set up chamfer 9 in the junction of device, can alleviate the burden between the screw thread, simultaneously through setting up snap ring 8 in the inside of device, utilize it and sealing washer 5 extrusion, can strengthen the gas tightness of device, thereby make the device possess still have the good effect of gas tightness when simple to operate acts on, its practical value is greatly improved.

In summary, the following steps: according to the three-shoulder anti-thread gluing pipe body airtight connection hoop-free type joint, the first thread head and the second thread head are arranged on the right side of the pipe body, the first thread cylinder and the second thread cylinder are arranged on the left side of the pipe body, the pipe bodies are connected in a three-shoulder mode, meanwhile, the chamfer is arranged at the connection position of the joint, so that the pressure between threads can be reduced, and the joint plays a role in preventing thread gluing; the sealing grooves and the sealing rings are arranged on the outer sides of the first threaded head and the second threaded head, so that the first threaded head and the second threaded head can be conveniently installed, the problem that the sealing rings fall off in the connection process due to the fact that the sealing rings are arranged inside the device and cannot be found is solved, and the device has the effect of convenience in installation; the clamping ring is arranged in the first threaded cylinder and the second threaded cylinder, and the sealing effect of the device can be enhanced by matching the clamping ring with the sealing ring, so that the device has good air tightness.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-shoulder anti-galling pipe body airtight connection collar-less type joint comprising: the sealing device comprises a pipe body (1), a first threaded head (2), a second threaded head (3), a sealing groove (4), a sealing ring (5), a first threaded cylinder (6), a second threaded cylinder (7), a clamping ring (8) and a chamfer (9); the method is characterized in that: a first threaded head (2) is arranged on the right side of the pipe body (1), and the pipe body (1) and the first threaded head (2) are of an integrated structure; the second thread head (3) is positioned on the right side of the first thread head (2), and the second thread head (3) and the first thread head (2) are of an integrated structure; the sealing groove (4) is respectively positioned on the right of the outer sides of the first thread head (2) and the second thread head (3), and the sealing groove (4) and the first thread head (2) and the second thread head (3) are respectively of an integrated structure; the sealing ring (5) is arranged on the left side in the sealing groove (4), and the sealing ring (5) is clamped with the sealing groove (4); the first threaded cylinder (6) is positioned on the left side of the pipe body (1), and the first threaded cylinder (6) and the pipe body (1) are of an integrated structure; the second threaded cylinder (7) is positioned on the left side of the first threaded cylinder (6), and the second threaded cylinder (7) and the first threaded cylinder (6) are of an integrated structure; the clamping ring (8) is respectively positioned at the right side in the first threaded cylinder (6) and the second threaded cylinder (7), and the clamping ring (8) and the first threaded cylinder (6) and the second threaded cylinder (7) are respectively of an integrated structure; chamfer (9) are located the outside of body (1) and second thread head (3) right-hand member and the inboard of body (1) and second thread section of thick bamboo (7) left end respectively, and chamfer (9) respectively with body (1) and second thread section of thick bamboo (7) formula structure as an organic whole.

2. The three-shoulder anti-galling pipe body airtight connection collar-less type joint according to claim 1, wherein: first thread (2) and second thread (3) are the pipe column structure, and the outside of first thread (2) and second thread (3) all is equipped with the screw thread.

3. The three-shoulder anti-galling pipe body airtight connection collar-less type joint according to claim 1, wherein: the sealing groove (4) is an annular groove with an L-shaped section, and the sealing groove (4) is in sliding connection with the snap ring (8) in a clearance fit mode.

4. The three-shoulder anti-galling pipe body airtight connection collar-less type joint according to claim 1, wherein: the first thread cylinder (6) and the second thread cylinder (7) are both in a circular tubular structure, and threads are arranged on the inner sides of the first thread cylinder (6) and the second thread cylinder (7).