CN211853093U - Connecting joint - Google Patents

Connecting joint Download PDF

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Publication number
CN211853093U
CN211853093U CN201922293274.5U CN201922293274U CN211853093U CN 211853093 U CN211853093 U CN 211853093U CN 201922293274 U CN201922293274 U CN 201922293274U CN 211853093 U CN211853093 U CN 211853093U
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China
Prior art keywords
pipe joint
coupling
hole
joint
groove
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CN201922293274.5U
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Chinese (zh)
Inventor
李红星
王卫军
张�浩
李军
陈述
王宁升
刘虹
李玉婧
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model provides a connection joint relates to the tube coupling technical field for threaded connection between solution first coupling and the second coupling results in the dismouting between first coupling and the second coupling long time, the big problem of operator's intensity of labour. The connecting joint comprises a first pipe joint and a second pipe joint sleeved on the first pipe joint, and the first pipe joint is connected with the second pipe joint in a sealing manner; the lateral surface of first coupling is provided with spacing draw-in groove, is provided with the through-hole just right with spacing draw-in groove on the second coupling, and the lateral surface of second coupling is provided with the mount pad, is provided with the fastener on the mount pad, and the fastener passes the cell wall of through-hole and spacing draw-in groove of butt. The utility model discloses a joint, first coupling and second coupling need not the relative rotation during dismouting, have reduced the dismouting time of first coupling and second coupling, have reduced operator's intensity of labour.

Description

Connecting joint
Technical Field
The utility model relates to a tube coupling technical field especially relates to a connector.
Background
In the transportation of natural gas, irritate the tank wagon through the oil filling riser with the natural gas usually, utilize the tank wagon transportation natural gas, and when utilizing the oil filling riser to irritate gas for the tank wagon, guarantee through attach fitting usually reliably to be connected between the outlet duct of oil filling riser and the intake pipe of tank wagon.
The connecting joint generally comprises a first pipe joint and a second pipe joint, the first pipe joint is communicated with an air inlet pipe of the tank car, the second pipe joint is communicated with an air outlet pipe of the filling arm, the first pipe joint and the second pipe joint are in threaded connection, and the threaded connection of the first pipe joint and the second pipe joint is guaranteed through the asbestos gasket.
However, the threaded connection between the first pipe joint and the second pipe joint results in a long time for mounting and dismounting the first pipe joint and the second pipe joint, which is labor intensive for an operator.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the present invention provides a connection joint to solve the problem that the threaded connection between the first pipe joint and the second pipe joint results in long time for disassembling and assembling between the first pipe joint and the second pipe joint and the labor intensity of the operator is large.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the embodiment of the utility model provides a connecting joint, which comprises a first pipe joint and a second pipe joint sleeved on the first pipe joint, wherein the first pipe joint is connected with the second pipe joint in a sealing way; the lateral surface of first coupling is provided with spacing draw-in groove, is provided with the through-hole just right with spacing draw-in groove on the second coupling, and the lateral surface of second coupling is provided with the mount pad, is provided with the fastener on the mount pad, and the fastener passes the cell wall of through-hole and spacing draw-in groove of butt.
Compared with the prior art, the embodiment of the utility model provides a attach fitting has following advantage:
the embodiment of the utility model provides an among the attach fitting, the second coupling suit is on first coupling, sealing connection between first coupling and the second coupling, and the lateral surface of second coupling is provided with the mount pad, is provided with the fastener on the mount pad, and the through-hole on the second coupling is passed to the fastener to the cell wall of the spacing draw-in groove that sets up on the first coupling of butt. The cell wall of the spacing draw-in groove of fastener butt can restrict first coupling and second coupling and follow the central line relative slip of first coupling, avoids first coupling and second coupling to break away from the cooperation, guarantees reliably to be connected between first coupling and the second coupling. The utility model discloses attach fitting, joint between first coupling and the second coupling, compare threaded connection between first coupling and the second coupling, need not relative rotation during first coupling and the dismouting of second coupling, reduced the dismouting time of first coupling and second coupling, reduced operator's intensity of labour.
As the embodiment of the utility model provides an attach fitting's improvement, the fastener includes the handle and the dop of being connected with the handle, is provided with the eccentric orfice on the dop, and the dop is installed on the mount pad through wearing the installation pole of dress in the eccentric orfice.
As an improvement of the embodiment of the utility model, the mounting seat is provided with a mounting hole for penetrating the mounting rod.
As the embodiment of the utility model provides an attach fitting's an improvement is provided with the connecting hole on the installation pole, wears to be equipped with the locking piece in the connecting hole, and the locking piece is connected with mount pad and fastener simultaneously.
As the embodiment of the utility model provides a joint connection's an improvement is provided with the screens hole on the mount pad, is provided with the locking hole on the fastener, and the dress is worn simultaneously in screens hole and locking hole to the locking piece.
As an improvement of the embodiment of the utility model, the mounting rod is provided with a stop cap, and the mounting rod between the stop cap and the mounting seat is sleeved with a spring.
As an improvement of the embodiment of the utility model, the quantity of fastener is a plurality of, and a plurality of fasteners are arranged on second pipe joint along the ring.
As the embodiment of the utility model provides a connector joint's an improvement is provided with the seal groove on the inside wall of second coupling, is provided with the sealing washer in the seal groove, the lateral wall of the first coupling of sealing washer butt.
As the embodiment of the utility model provides a connector lug's improvement is provided with first internal thread on the inside wall of first coupling, first internal thread be used for with the import switch-on of tank wagon.
As the embodiment of the utility model provides an improvement of attach fitting, be provided with the second internal thread on the inside wall of second coupling, the second internal thread is used for putting through with the export of oil filling riser.
In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems, technical features included in technical solutions, and advantageous effects brought by the technical features that can be solved by the connection joint provided by the embodiments of the present invention will be described in further detail in specific embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection joint according to an embodiment of the present invention;
fig. 2 is an exploded view of a connection joint according to an embodiment of the present invention.
Description of reference numerals:
10: a first pipe joint;
11: a limiting clamping groove;
20: a second pipe joint;
21: a through hole;
22: a mounting seat;
23: mounting holes;
24: a position clamping hole;
30: a fastener;
31: a handle;
32: clamping a head;
33: an eccentric hole;
34: a locking hole;
40: mounting a rod;
41: connecting holes;
42: a blocking cap;
50: a locking member;
51: a first rod portion;
52: a second rod portion;
60: a spring;
70: and (5) sealing rings.
Detailed Description
In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the transportation process of natural gas, natural gas is generally filled into a tank car through a crane pipe, and the tank car is used for transporting the natural gas after the tank car is filled with the natural gas. Wherein, the tank wagon includes train tank wagon and car tank wagon, but no matter train tank wagon or car tank wagon all need guarantee through attach fitting that the reliable connection between the play steam pipe of oil filling riser and the intake pipe of tank wagon avoids the natural gas to reveal.
The connection joint typically comprises a first pipe joint being a tubular joint and a second pipe joint being a tubular joint. The first pipe joint is communicated with the air inlet pipe of the tank car in a sealing mode, so that natural gas is prevented from leaking from a gap between the first pipe joint and the air inlet pipe of the tank car. The second pipe joint is in sealed communication with the air outlet pipe of the loading arm to prevent natural gas from leaking from a gap between the second pipe joint and the air outlet pipe of the loading arm. The first pipe joint and the second pipe joint are in threaded connection, so that reliable connection between the first pipe joint and the second pipe joint is guaranteed. The first pipe joint and the second pipe joint are in sealed connection at the threaded connection part of the first pipe joint and the second pipe joint through asbestos gaskets, so that natural gas is prevented from leaking from a gap between the first pipe joint and the second pipe joint.
However, due to the threaded connection between the first pipe joint and the second pipe joint, when the first pipe joint and the second pipe joint are connected, the first pipe joint and the second pipe joint need to rotate relatively for multiple turns to ensure the reliable connection between the first pipe joint and the second pipe joint, and when the first pipe joint and the second pipe joint are disconnected, the first pipe joint and the second pipe joint also need to rotate relatively for multiple turns to ensure the disconnection between the first pipe joint and the second pipe joint. The first pipe joint and the second pipe joint are connected in a threaded mode, so that the first pipe joint and the second pipe joint are long in dismounting time, and labor intensity of operators is high.
In order to solve threaded connection between first coupling and the second coupling, the first coupling that leads to and second coupling dismouting time are long, the problem that operator's intensity of labour is big, the embodiment of the utility model provides a coupling has reduced the dismouting time between first coupling 10 and the second coupling 20 through installing the spacing draw-in groove 11 joint on fastener 30 on the second coupling 20 and the first coupling 10, has reduced operator's intensity of labour.
As shown in fig. 1 and 2, an embodiment of the present invention provides a connection joint, which includes a first pipe joint 10 and a second pipe joint 20 sleeved on the first pipe joint, wherein the first pipe joint 10 and the second pipe joint 20 are connected in a sealing manner.
In a possible embodiment, the first pipe joint 10 is provided with a first internal thread on the inner side wall, the first internal thread is used for communicating the first pipe joint 10 with an air inlet pipe of a tank car, and the first internal thread hole can ensure that the first pipe joint 10 is reliably connected with the air inlet pipe of the tank car. The first pipe joint 10 and the air inlet pipe of the tank car are in sealed connection through asbestos pads.
In a possible embodiment, the second pipe joint 20 is provided with a second internal thread on its inner side wall, the second internal thread being used for connecting the second pipe joint 20 with the riser outlet pipe. The second internally threaded bore enables the second coupling 20 to be securely connected to the riser outlet. The second pipe joint 20 and the air outlet pipe of the crane pipe ensure the sealing connection between the first pipe joint 10 and the air inlet pipe of the tank car through an asbestos pad.
In one possible embodiment, as shown in fig. 2, the first pipe joint 10 is a tubular joint, the second pipe joint 20 is a tubular joint, a sealing groove is arranged on the inner side wall of the second pipe joint 20, a sealing ring 70 is arranged in the sealing groove, the sealing ring 70 abuts against the outer side wall of the first pipe joint 10, and the first pipe joint 10 and the second pipe joint 20 are in sealing connection through the sealing ring 70. The number of the sealing grooves may be one or more, correspondingly, the number of the sealing rings 70 is equal to that of the sealing grooves, and when the number of the sealing grooves and the number of the sealing rings 70 are both multiple, each sealing ring 70 is respectively arranged in one corresponding sealing groove.
As shown in fig. 2, in one possible embodiment, the first pipe joint 10 is a circular pipe joint, the outer side surface of the first pipe joint 10 is provided with a limit slot 11, the limit slot 11 is enclosed in a circular ring shape, a plane including a center line of the first pipe joint 10 is taken as a cross section, and the cross section of the limit slot 11 is in a circular arc shape.
As shown in fig. 2, a through hole 21 opposite to the limiting slot 11 is provided on the second pipe joint 20, an installation seat 22 is provided on the outer side surface of the second pipe joint 20, a clamping piece 30 is provided on the installation seat 22, and the clamping piece 30 passes through the through hole 21 and abuts against the slot wall of the limiting slot 11. The clamping piece 30 abuts against the groove wall of the limiting clamping groove 11, so that the first pipe joint 10 and the second pipe joint 20 can be limited to relatively slide along the central line of the first pipe joint 10, the first pipe joint 10 and the second pipe joint 20 are prevented from being disengaged, and the first pipe joint 10 and the second pipe joint 20 are guaranteed to be reliably connected.
The utility model discloses the attach fitting, first coupling 10 and second coupling 20 sealing connection have avoided the clearance between first coupling 10 and the second coupling 20 to leak the fluid, install the cell wall butt of spacing draw-in groove 11 on fastener 30 on the second coupling 20 and the first coupling 10, have guaranteed that first coupling 10 and second coupling 20 reliably connect.
Compare threaded connection between first coupling 10 and the second coupling 20, the utility model discloses the attach fitting of embodiment, joint between first coupling 10 and the second coupling 20, when first coupling 10 and the dismouting of second coupling 20, need not relative rotation multiturn between first coupling 10 and the second coupling 20, can guarantee that first coupling 10 and second coupling 20 reliably connect, and first coupling 10 and the dismouting time of second coupling 20 are short, and operator's intensity of labour is little.
As shown in fig. 1 and 2, in one possible embodiment, the second pipe joint 20 is a round pipe joint, the second pipe joint 20 is provided with a plurality of through holes 21, for example, the number of the through holes 21 is three, the outer surface of the second pipe joint 20 is provided with mounting seats 22, the number of the mounting seats 22 is twice of the number of the through holes 21, and every two mounting seats 22 are oppositely arranged outside one through hole 21. Each mounting seat 22 is provided with a mounting hole 23, a mounting rod 40 penetrates through the mounting holes 23 of every two opposite mounting seats 22, each mounting rod 40 is sleeved with a clamping piece 30, and each clamping piece 30 penetrates through one through hole 21 and is clamped into the limiting clamping groove 11. The quantity of installation pole 40 and the quantity of fastener 30 all equals with the quantity of through-hole 21, and the quantity of installation pole 40 and the quantity of fastener 30 are a plurality ofly, and a plurality of fasteners 30 are arranged on second coupling 20 along the ring. The plurality of jaws 30 can ensure a reliable connection between the first coupling 10 and the second coupling 20.
As shown in fig. 2, the card member 30 includes a handle 31 and a chuck head 32 connected to the handle 31, the handle 31 being used for an operator's hand to hold the card member 30. The chuck 32 is provided with an eccentric hole 33, and the chuck 32 is mounted on the mounting seat 22 through a mounting rod 40 which is inserted into the eccentric hole 33. The central line of the eccentric hole 33 on the chuck 32 deviates from the central line of the chuck 32, the chuck 32 is installed on the installation seat 22 through the installation rod 40 which is installed in the eccentric hole 33 in a penetrating way, and the chuck 32 is a cam. The different positions of cam surface are not equal to the distance of the central line of installation pole 40 completely, so, operator operation handle 31, can adjust dop 32 card to go into spacing draw-in groove 11, make at the central line direction of second coupling 20, second coupling 20 and first coupling 10 are relatively fixed, guarantee that first coupling 10 and second coupling 20 are reliably connected, and similarly, operator operation handle 31, can adjust dop 32 and break away from spacing draw-in groove 11, make at the central line direction of second coupling 20, second coupling 20 and first coupling 10 can relative movement, realize that first coupling 10 and second coupling 20 dismantle fast.
As shown in fig. 2, the first end of the mounting rod 40 is provided with a connecting hole 41, the center line of the connecting hole 41 is perpendicular to the center line of the mounting rod 40, a locking member 50 penetrates through the connecting hole 41, and the locking member 50 is connected with the mounting seat 22 and the clamping member 30 at the same time. After the clamping piece 30 is clamped into the limiting clamping groove 11, the locking piece 50 is connected with the mounting seat 22 and the clamping piece 30 at the same time, the clamping piece 30 can be prevented from rotating around the mounting rod 40, and the clamping piece 30 can be reliably clamped into the limiting clamping groove 11.
As shown in fig. 2, the mounting seat 22 is provided with a locking hole 24, a central line of the locking hole 24 is parallel to a central line of the mounting hole 23, the clamping piece 30 is provided with a locking hole 34, the central line of the locking hole 34 coincides with the central line of the locking hole 24, and the locking piece 50 is simultaneously inserted into the locking hole 24 and the locking hole 34, so that the locking piece 50 can be simultaneously connected with the mounting seat 22 and the clamping piece 30. The locking member 50 includes a first rod portion 51 and a second rod portion 52 that are perpendicular to each other and connected, wherein the first rod portion 51 is disposed in the connection hole 41, and the second rod portion 52 is disposed in the capture hole 24 and the locking hole 34. The first rod portion 51 and the second rod portion 52 are of an integral structure.
As shown in fig. 1 and 2, a stop cap 42 is disposed on the mounting rod 40, and a spring 60 is sleeved on the mounting rod 40 between the stop cap 42 and the mounting seat 22. The spring 60 not only ensures that the locking member 50 is reliably inserted into the position-locking hole 24 and the locking hole 34, but also ensures that the locking member 50 can be quickly disengaged from the position-locking hole 24 and the locking hole 34 against the elastic force of the spring 60.
The utility model discloses attach fitting, operator operating handle 31 for fastener 30 rotates around installation pole 40, and during the dop 32 card of fastener 30 gone into spacing draw-in groove 11, can realize the joint of first coupling 10 and second coupling 20, operator operation locking piece 50 for second pole portion 52 of locking piece 50 sets up in screens hole 24 and locking hole 34, can guarantee the reliable connection of first coupling 10 and second coupling 20.
The utility model discloses attach fitting, operator operation locking piece 50 for spring 50 is compressed, and second pole portion 52 of locking piece 50 breaks away from in screens hole 24 and locking hole 34, continues operating handle 31, makes fastener 30 rotate around installation pole 40, and the dop 32 of fastener 30 breaks away from spacing draw-in groove 11, can realize that first coupling 10 and second coupling 20 break away from the cooperation.
The utility model discloses attach fitting, dismouting easy operation between first coupling 10 and the second coupling 20, convenient and fast.
The utility model discloses attach fitting, can be used for danger, corrosivity and volatile fluid, liquefied gas for example, and can be applied to fields such as petroleum, chemical industry.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A connecting joint is characterized by comprising a first pipe joint and a second pipe joint sleeved on the first pipe joint, wherein the first pipe joint and the second pipe joint are connected in a sealing manner;
the lateral surface of first coupling is provided with spacing draw-in groove, be provided with on the second coupling with spacing draw-in groove just right through-hole, the lateral surface of second coupling is provided with the mount pad, be provided with the fastener on the mount pad, the fastener passes through-hole and butt the cell wall of spacing draw-in groove.
2. The connector according to claim 1, wherein the clip member comprises a handle and a clip connected to the handle, the clip member has an eccentric hole, and the clip member is mounted to the mounting base through a mounting rod inserted into the eccentric hole.
3. The connector sub of claim 2, wherein the mounting base has a mounting hole for receiving the mounting rod.
4. The connector according to claim 2, wherein the mounting rod is provided with a connecting hole, a locking member is inserted into the connecting hole, and the locking member is connected with the mounting seat and the clamping member simultaneously.
5. The connector according to claim 4, wherein the mounting seat is provided with a locking hole, the latch is provided with a locking hole, and the locking member is inserted into the locking hole and the locking hole.
6. The connector of claim 2, wherein the mounting rod is provided with a stop cap, and a spring is sleeved on the mounting rod between the stop cap and the mounting seat.
7. The connector according to any one of claims 1 to 6, wherein the number of the catches is plural, and the plural catches are arranged on the second pipe joint along a circle.
8. The connection joint according to any one of claims 1 to 6, wherein a sealing groove is provided on an inner sidewall of the second pipe joint, and a sealing ring is provided in the sealing groove, and the sealing ring abuts against an outer sidewall of the first pipe joint.
9. The connecting joint according to any one of claims 1 to 6, wherein a first internal thread is provided on an inner side wall of the first pipe joint, and the first internal thread is used for communicating the first pipe joint with an air inlet pipe of a tank car.
10. The connector according to any one of claims 1 to 6, wherein a second internal thread is provided on the inner side wall of the second pipe joint, and the second internal thread is used for communicating the second pipe joint with the air outlet pipe of the crane pipe.
CN201922293274.5U 2019-12-19 2019-12-19 Connecting joint Active CN211853093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922293274.5U CN211853093U (en) 2019-12-19 2019-12-19 Connecting joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922293274.5U CN211853093U (en) 2019-12-19 2019-12-19 Connecting joint

Publications (1)

Publication Number Publication Date
CN211853093U true CN211853093U (en) 2020-11-03

Family

ID=73216029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922293274.5U Active CN211853093U (en) 2019-12-19 2019-12-19 Connecting joint

Country Status (1)

Country Link
CN (1) CN211853093U (en)

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