CN212929051U

CN212929051U - Threaded joint for airtight connection of three-shoulder anti-thread gluing pipe body

Info

Publication number: CN212929051U
Application number: CN202021076131.5U
Authority: CN
Inventors: 高岳; 奚松
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: 2021-04-09
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a three circular bead anti-thread gluing body screwed joint for airtight connection, include: cannula, sleeve, snap ring; the right side of the insertion pipe is provided with a first threaded head, and the insertion pipe and the first threaded head are of an integrated structure; the sleeve is arranged on the right side of the insertion tube and is connected with the insertion tube in a screwing mode; the first threaded cylinder is positioned on the left side of the sleeve, and the first threaded cylinder and the sleeve are of an integrated structure; the snap ring is respectively located at the outer ring on the right side of the first thread head and the second thread head and the inner ring on the left side of the first thread cylinder and the inner ring on the left side of the second thread cylinder, and the snap ring is respectively in an integrated structure with the first thread head, the second thread head, the first thread cylinder and the second thread cylinder. Through the improvement structurally, have the thread gluing of preventing, locking and the good advantage of gas tightness of moving to effectual solution the utility model discloses the problem that proposes in one of the prior art is with not enough.

Description

Threaded joint for airtight connection of three-shoulder anti-thread gluing pipe body

Technical Field

The utility model relates to a threaded plug technical field, more specifically the theory that says so especially relates to a three circular bead anti-thread gluing body screwed joint for airtight connection.

Background

Threaded joint often sees in industry and daily life, is a threaded body connecting piece, and the mode through using threaded connection can let the connection of body become simpler, and it is also easier to dismantle the change, has practiced thrift the cost of body connection greatly.

However, the conventional threaded connector has an imperfect anti-thread gluing function, and the metal on the matching surfaces of the internal thread and the external thread can be bonded under the influence of local friction interference, and meanwhile, the device is easy to loosen under the action of external forces such as vibration and the like, so that the problem of disconnection of the connector is caused.

In view of the above, the present invention provides a threaded joint for airtight connection of a three-shoulder anti-galling pipe body, which is developed and improved in view of the conventional problems, and aims to solve the problems and improve the practical value by the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three circular bead anti-thread gluing body screwed joint for airtight connection to solve present common screwed joint who proposes in the above-mentioned background art and still have anti-thread gluing function imperfection, inside and outside screw fitting surface metal can appear the phenomenon of bonding under the influence of local friction interference effect, and simultaneously, the device is when receiving external force effect such as vibrations, still produces easily not hard up, causes the problem and the not enough of joint disconnection.

In order to achieve the above object, the present invention provides a threaded joint for airtight connection of three-shoulder anti-galling pipe body, which is achieved by the following specific technical means:

a threaded joint for airtight connection of a three-shoulder anti-galling pipe body, comprising: the device comprises an insertion pipe, a first threaded head, a second threaded head, a sleeve, a first threaded cylinder, a second threaded cylinder, a clamping ring, a sealing groove, a sealing ring and an ear plate; the right side of the insertion pipe is provided with a first threaded head, and the insertion pipe 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 sleeve is arranged on the right side of the insertion tube and is connected with the insertion tube in a screwing mode; the first threaded cylinder is positioned on the left side of the sleeve, and the first threaded cylinder and the sleeve 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 rings are respectively positioned on the outer rings on the right sides of the first thread head and the second thread head and the inner rings on the left sides of the first thread cylinder and the second thread cylinder, and the clamping rings are respectively integrated with the first thread head, the second thread head, the first thread cylinder and the second thread cylinder; the sealing grooves are respectively positioned on the right sides of the insertion pipe and the first threaded head and the left sides of the sleeve and the first threaded cylinder, and the sealing grooves are respectively in an integrated structure with the insertion pipe, the first threaded head, the sleeve and the first threaded cylinder; the sealing ring is arranged inside the sealing groove and connected with the sealing groove in a clamping manner; the ear plate is respectively arranged at the outer sides of the insertion tube and the second threaded cylinder, and the ear plate is respectively connected with the insertion tube and the second threaded cylinder in a welding mode.

As a further optimization of this technical scheme, the utility model relates to a three circular bead anti-thread gluing body screwed joint for airtight connection 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 a further optimization of this technical scheme, the utility model relates to a three circular bead anti-thread gluing body screwed joint for airtight connection a first thread section of thick bamboo and a second thread section of thick bamboo are the pipe column structure, and the inboard of a first thread section of thick bamboo and a second thread section of thick bamboo all is equipped with the screw thread.

As a further optimization of this technical scheme, the utility model relates to a three circular bead anti-thread gluing body is screwed joint for airtight connection the snap ring is isosceles trapezoid's ring shaped structure for the cross-section.

As the further optimization of this technical scheme, the utility model relates to a three circular bead anti-thread gluing body is screwed joint for airtight connection the otic placode is equipped with the rectangle platelike structure of a circular through-hole for the centre, and the mode of symmetry is provided with two respectively in the outside of intubate and second screw thread section of thick bamboo around the otic placode is.

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 screwed joint for airtight connection sets up first thread head and second thread head through the right side at the intubate to set up a first screw thread section of thick bamboo and a second screw thread section of thick bamboo in the sheathed tube left side, utilize the mode of three circular beads to connect both, 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-thread gluing body screwed joint for airtight connection sets up the otic placode through the outside at intubate and second screw thread section of thick bamboo, can use the bolt to fix the otic placode after connecting to take place not hard up because of external forces such as vibrations in case connect, thereby make the device play locking effect.

3. The utility model relates to a three circular bead anti-thread gluing body screwed joint for airtight connection sets up seal groove and sealing washer through the inside at the device, utilizes its cooperation with the snap ring, 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, locking and the good advantage of gas tightness of moving, thereby effectual solution the utility model discloses the problem that proposes 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 insertion tube of the present invention;

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

fig. 4 is a schematic sectional view of the connection part structure of the present invention.

In the figure: the pipe inserting device comprises a pipe inserting pipe 1, a first threaded head 101, a second threaded head 102, a sleeve 2, a first threaded cylinder 201, a second threaded cylinder 202, a clamping ring 3, a sealing groove 4, a sealing ring 5 and an ear plate 6.

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 embodiment of a threaded joint for airtight connection of a three-shoulder anti-galling pipe body:

a threaded joint for airtight connection of a three-shoulder anti-galling pipe body, comprising: the pipe inserting device comprises a pipe inserting pipe 1, a first thread head 101, a second thread head 102, a sleeve 2, a first thread cylinder 201, a second thread cylinder 202, a clamping ring 3, a sealing groove 4, a sealing ring 5 and an ear plate 6; a first threaded head 101 is arranged on the right side of the insertion pipe 1, and the insertion pipe 1 and the first threaded head 101 are of an integrated structure; the second thread head 102 is positioned at the right side of the first thread head 101, and the second thread head 102 and the first thread head 101 are of an integrated structure; the sleeve 2 is arranged on the right side of the insertion tube 1, and the sleeve 2 is connected with the insertion tube 1 in a screwing mode; the first threaded cylinder 201 is positioned on the left side of the sleeve 2, and the first threaded cylinder 201 and the sleeve 2 are of an integrated structure; the second threaded cylinder 202 is positioned on the left side of the first threaded cylinder 201, and the second threaded cylinder 202 and the first threaded cylinder 201 are of an integrated structure; the snap rings 3 are respectively positioned on the outer rings of the right sides of the first thread head 101 and the second thread head 102 and the inner rings of the left sides of the first thread cylinder 201 and the second thread cylinder 202, and the snap rings 3 are respectively integrated with the first thread head 101, the second thread head 102, the first thread cylinder 201 and the second thread cylinder 202; the sealing grooves 4 are respectively positioned on the right sides of the insertion pipe 1 and the first threaded head 101 and the left sides of the sleeve 2 and the first threaded cylinder 201, and the sealing grooves 4 are respectively in an integrated structure with the insertion pipe 1, the first threaded head 101, the sleeve 2 and the first threaded cylinder 201; the sealing ring 5 is arranged inside the sealing groove 4, and the sealing ring 5 is connected with the sealing groove 4 in a clamping manner; the ear plate 6 is respectively arranged at the outer sides of the insertion tube 1 and the second threaded cylinder 202, and the ear plate 6 is respectively connected with the insertion tube 1 and the second threaded cylinder 202 through a welding mode.

Specifically, the first thread head 101 and the second thread head 102 are both of a circular tubular structure, and the outer sides of the first thread head 101 and the second thread head 102 are both provided with threads, as shown in fig. 4, the inner diameters of the cannula 1, the first thread head 101, and the second thread head 102 are equal, and the outer diameters thereof are sequentially decreased.

Specifically, the first threaded cylinder 201 and the second threaded cylinder 202 are both in a circular tubular structure, and the inner sides of the first threaded cylinder 201 and the second threaded cylinder 202 are both provided with threads, as shown in fig. 4, the inner diameters of the sleeve 2, the first threaded cylinder 201 and the second threaded cylinder 202 are sequentially increased in an increasing manner, and the outer diameters are all equal to the outer diameter of the cannula 1.

Specifically, the snap ring 3 is of a circular ring-shaped structure with an isosceles trapezoid cross section.

Specifically, the ear plate 6 is a rectangular plate-shaped structure with a circular through hole in the middle, and the ear plate 6 is provided with two positions at the outer sides of the insertion tube 1 and the second threaded cylinder 202 in a front-back symmetrical manner.

The method comprises the following specific implementation steps:

at first cover the outside at intubate 1 with sleeve pipe 2, then utilize the cooperation of screw thread between first thread head 101 and second thread section of thick bamboo 202 and second thread head 102 and the first thread section of thick bamboo 201, screw the two and connect, it can to use fixing bolt to fix the otic placode 6 that corresponds the position at last, when the snap ring 3 oppresses sealing washer 5 through rotatory propulsion, can increase the gas tightness of device, simultaneously through fixing the otic placode 6 of both sides, can prevent to connect and take place to become flexible because of external force, thereby make the device possess still have locking effect when the good effect of gas tightness, its practical value is greatly improved.

In summary, the following steps: according to the threaded joint for airtight connection of the three-shoulder anti-thread gluing pipe body, the first thread head and the second thread head are arranged on the right side of the insertion pipe, the first thread cylinder and the second thread cylinder are arranged on the left side of the sleeve, and the three shoulders are used for connecting the two, so that the pressure between threads can be reduced, and the device has an anti-thread gluing effect; the lug plates are arranged on the outer sides of the insertion pipe and the second threaded barrel, so that the lug plates can be fixed by using bolts after connection, and the joint is prevented from being loosened due to external forces such as vibration and the like, so that the device has an anti-loosening effect; through set up seal groove and sealing washer in the inside of device, utilize its cooperation with the snap ring, can strengthen the sealed effect of device to make the device play the effect that the gas tightness is good.

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 threaded joint for airtight connection of a three-shoulder anti-galling pipe body, comprising: the anti-theft pipe comprises a cannula (1), a first threaded head (101), a second threaded head (102), a sleeve (2), a first threaded cylinder (201), a second threaded cylinder (202), a snap ring (3), a sealing groove (4), a sealing ring (5) and an ear plate (6); the method is characterized in that: a first threaded head (101) is arranged on the right side of the insertion pipe (1), and the insertion pipe (1) and the first threaded head (101) are of an integrated structure; the second thread head (102) is positioned on the right side of the first thread head (101), and the second thread head (102) and the first thread head (101) are of an integrated structure; the sleeve (2) is arranged on the right side of the insertion tube (1), and the sleeve (2) is connected with the insertion tube (1) in a screwing mode; the first threaded cylinder (201) is positioned on the left side of the sleeve (2), and the first threaded cylinder (201) and the sleeve (2) are of an integrated structure; the second threaded cylinder (202) is positioned on the left side of the first threaded cylinder (201), and the second threaded cylinder (202) and the first threaded cylinder (201) are of an integrated structure; the clamping ring (3) is respectively positioned on the outer ring of the right side of the first thread head (101) and the second thread head (102) and the inner ring of the left side of the first thread cylinder (201) and the second thread cylinder (202), and the clamping ring (3) is respectively in an integrated structure with the first thread head (101), the second thread head (102), the first thread cylinder (201) and the second thread cylinder (202); the sealing groove (4) is respectively positioned on the right sides of the insertion pipe (1) and the first thread head (101) and the left sides of the sleeve (2) and the first thread cylinder (201), and the sealing groove (4) is respectively integrated with the insertion pipe (1), the first thread head (101), the sleeve (2) and the first thread cylinder (201); the sealing ring (5) is arranged inside the sealing groove (4), and the sealing ring (5) is connected with the sealing groove (4) in a clamping manner; the ear plate (6) is respectively arranged at the outer sides of the insertion tube (1) and the second thread cylinder (202), and the ear plate (6) is respectively connected with the insertion tube (1) and the second thread cylinder (202) in a welding mode.

2. The threaded joint for airtight connection of a three-shoulder anti-galling pipe body as claimed in claim 1, wherein: the first thread head (101) and the second thread head (102) are both of a circular tubular structure, and the outer sides of the first thread head (101) and the second thread head (102) are both provided with the circular tubular structure.

3. The threaded joint for airtight connection of a three-shoulder anti-galling pipe body as claimed in claim 1, wherein: the first threaded cylinder (201) and the second threaded cylinder (202) are both of a circular tubular structure, and threads are arranged on the inner sides of the first threaded cylinder (201) and the second threaded cylinder (202).

4. The threaded joint for airtight connection of a three-shoulder anti-galling pipe body as claimed in claim 1, wherein: the snap ring (3) is of an annular structure with an isosceles trapezoid cross section.

5. The threaded joint for airtight connection of a three-shoulder anti-galling pipe body as claimed in claim 1, wherein: the ear plate (6) is of a rectangular plate-shaped structure with a round through hole in the middle, and the ear plate (6) is arranged at two positions on the outer sides of the insertion tube (1) and the second threaded cylinder (202) in a front-back symmetrical mode.