CN113280197A

CN113280197A - Flange

Info

Publication number: CN113280197A
Application number: CN202110696807.3A
Authority: CN
Inventors: 段其辉; 胡永振; 章娜
Original assignee: Individual
Current assignee: Jinan Qianrui Forging Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-08-20
Anticipated expiration: 2041-06-23
Also published as: CN113280197B

Abstract

The invention relates to a flange comprising: the male flange is provided with a clamping ring at one end; the female flange can be matched with the male flange; the control ring is sleeved on the female flange and can slide along the female flange; the locking assemblies are uniformly arranged on the female flange in an annular shape and connected with the control ring, and the locking assemblies can be controlled to be clamped with the clamping ring by sliding the control ring, so that the male flange is clamped with the female flange; and the clamping assembly is clamped in the clamping ring, and the clamping assembly can fix the control ring. The invention has the advantages that: through using a plurality of locking subassemblies of control ring synchro control, only need change the control ring position, can fix the male flange on female flange, make installation between male flange and the female flange simple swift with the dismantlement.

Description

Flange

Technical Field

The invention relates to the technical field of petroleum and natural gas pipeline connecting devices, in particular to a flange.

Background

Flanges, also known as flanges or lugs, are parts that interconnect pipes to tubes. Because the flange connection can bear larger pressure, the flange connection is widely used in industrial pipelines; the existing flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is added between the two flange plates and the two flange plates are fastened together by bolts to complete the connection. In the connection mode, because the number of the fixing bolts is large, the operation steps during flange connection are complicated, time and labor are wasted, the construction period is long, and the investment is large, so that further improvement is greatly needed.

Disclosure of Invention

In view of the above, it is necessary to provide a flange which is convenient to install.

The invention discloses a flange, which comprises: the male flange is provided with a clamping ring at one end; a female flange capable of mating with the male flange; the control ring is sleeved on the female flange and can slide along the female flange; the locking assemblies are uniformly arranged on the female flange in an annular shape and connected with the control ring, and the locking assemblies can be controlled to be clamped with the clamping ring by sliding the control ring, so that the male flange is clamped with the female flange; and the clamping assembly is clamped in the clamping ring, and the clamping assembly can fix the control ring.

In one embodiment, the locking assembly comprises a connecting rod and a locking member, the locking member is hinged to the female flange, a clamping groove is formed in the locking member, one end of the connecting rod is hinged to the locking member, the other end of the connecting rod is hinged to the control ring, and the locking member can be driven to rotate by moving the control ring, so that the clamping ring is clamped into the clamping groove, and the male flange is fixedly connected with the female flange.

In one embodiment, the female flange is provided with a containing groove, the control ring is provided with a clamping hole, the clamping assembly comprises a first elastic piece and a push block, the first elastic piece is arranged in the containing groove, the first elastic piece is arranged between the push block and the inner wall of the containing groove, so that the push block can be pushed to extend out of the containing groove and extend into the clamping hole, and the control ring is fixedly connected with the female flange.

In one embodiment, the flange further comprises an unlocking assembly, the unlocking assembly comprises an unlocking ring, a filling block and an unlocking sloping block, the filling block is slidably arranged in the clamping hole, the female flange is provided with a connecting ring, the control ring extends between the connecting ring and the female flange after the locking piece is clamped with the male flange, the connecting ring is provided with a connecting groove, the filling block can be pushed to extend into the connecting groove after the pushing block extends into the clamping hole, so that the control ring is clamped with the connecting ring, the unlocking ring is rotatably connected to the connecting ring, the unlocking sloping block is fixedly arranged at the inner side of the unlocking ring and is slidably connected in the connecting groove, the unlocking sloping block is provided with a first inclined surface, the first inclined surface abuts against the filling block, and the unlocking sloping block can be driven to move by rotating the unlocking ring, thereby promote the filling block breaks away from the spread groove, and then promote the ejector pad breaks away from the joint hole.

In one embodiment, a second elastic member is disposed between the control ring and the connection ring.

In one embodiment, the push block is provided with a second inclined surface, and the control ring can abut against the second inclined surface and move along the second inclined surface, so that the push block is pushed into the accommodating groove.

In one embodiment, the female flange is provided with a limiting block, so that the control ring can move between the limiting block and one end close to the connecting ring.

In one embodiment, the flange comprises four locking assemblies, and the four locking assemblies are uniformly distributed on the female flange in an annular mode.

The invention has the advantages that:

1. the control ring is used for synchronously controlling the plurality of locking assemblies, and the male flange can be fixed on the female flange only by changing the position of the control ring, so that the male flange and the female flange can be simply and quickly installed;

2. the control ring is positioned and fixed by using the clamping assembly, so that the male flange can be locked by the locking assembly, the control ring is not required to be fixed by bolts, and the locking assembly is simple, convenient, safe and reliable;

3. through setting up the unblock subassembly, rotatory unlocking ring can be with the control ring unblock to under the effect of second elastic component, can make locking subassembly unblock by automatic movement control ring, male flange and female flange are separable promptly, make the dismantlement between male flange and the female flange also more simple swift, the human cost that significantly reduces.

Drawings

FIG. 1 is a cross-sectional view of a flange provided by the present invention;

FIG. 2 is a right side view of a flange provided by the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view of a male flange provided by the present invention;

FIG. 5 is a cross-sectional view of a female flange provided in accordance with the present invention;

FIG. 6 is an enlarged view of a portion of the invention at I of FIG. 5.

In the figure, a female flange 1, a limiting block 11, a receiving groove 12, a connecting ring 13, a connecting groove 131, a control ring 2, a clamping hole 21, a connecting rod 3, a locking piece 4, a clamping groove 41, an unlocking ring 5, an unlocking inclined block 51, a first inclined surface 511, a filling block 6, a pushing block 7, a second inclined surface 71, a second elastic piece 81, a first elastic piece 82, a male flange 9 and a clamping ring 91.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the present invention discloses a flange, which includes: male flange 9, female flange 1, control ring 2, at least three locking subassembly, joint subassembly.

One end of the male flange 9 is provided with a clamping ring 91; female flange 1 can with the cooperation of

public flange

9, 2 covers of control ring are located female flange 1 is last, and can follow female flange 1 slides, and is a plurality of the locking subassembly be the annular evenly set up in female flange 1 is last, and with control ring 2 is connected, through sliding control ring 2, can control the locking subassembly with joint ring 91 joint, thereby make public flange 9 and female flange 1 joint work as locking subassembly joint in during joint ring 91, the joint subassembly can be fixed control ring 2.

Preferably, the locking subassembly includes connecting rod 3 and locking piece 4, locking piece 4 articulate in female flange 1, be provided with joint groove 41 on the locking piece 4, connecting rod 3 one end articulate in locking piece 4, the other end articulate in control ring 2, through removing control ring 2 can drive a plurality ofly in step locking piece 4 is rotatory, thereby makes joint ring 91 card is gone into in the joint groove 41 to make male flange 9 and female flange 1 fixed connection.

Preferably, storage tank 12 has been seted up on female flange 1, joint hole 21 has been seted up on control ring 2, the joint subassembly including set up in first elastic component 82 and ejector pad 7 in the storage tank 12, first elastic component 82 set up in ejector pad 7 with between the storage tank 12 inner wall, thereby can promote ejector pad 7 stretches out storage tank 12, works as joint hole 21 with when storage tank 12 position corresponds, ejector pad 7 can stretch into in the joint hole 21, thereby make control ring 2 with female flange 1 fixed connection.

Preferably, the flange further comprises an unlocking assembly, the unlocking assembly comprises an unlocking ring 5, a filling block 6 and an unlocking inclined block 51, the filling block 6 is slidably disposed in the clamping hole 21, the female flange 1 is provided with a connecting ring 13, when the locking member 4 is clamped with the male flange 9, the control ring 2 extends between the connecting ring 13 and the female flange 1, the connecting ring 13 is provided with a connecting groove 131, when the pushing block 7 extends into the clamping hole 21, the filling block 6 can be pushed to extend into the connecting groove 131, so that the control ring 2 is clamped with the connecting ring 13, the unlocking ring 5 is rotatably connected to the connecting ring 13, the unlocking inclined block 51 is fixedly disposed at the inner side of the unlocking ring 5 and slidably connected to the connecting groove 131, and the unlocking inclined block 51 is provided with a first inclined surface 511, the first inclined surface 511 abuts against the filling block 6, and the unlocking inclined block 51 can be driven to move by rotating the unlocking ring 5, so that the filling block 6 is pushed to be separated from the connecting groove 131, and the pushing block 7 is pushed to be separated from the clamping hole 21.

Preferably, a second elastic member 81 is disposed between the control ring 2 and the connection ring 13.

Preferably, the push block 7 is provided with a second inclined surface 71, and when the control ring 2 moves leftwards, the control ring 2 can abut against the second inclined surface 71 and move along the second inclined surface 71, so that the push block 7 is pushed into the accommodating groove 12.

Preferably, the female flange 1 is provided with a stop block 11, as shown in fig. 2, in this embodiment, the female flange 1 is provided with four stop blocks 11, so that the control ring 2 can move between the stop blocks 11 and one end close to the connection ring 13.

Preferably, the flange comprises four locking assemblies, and the four locking assemblies are uniformly distributed on the female flange 1 in an annular mode. It will be appreciated that four locking assemblies can be synchronously engaged with the engagement ring 91 under the control of the control ring 2.

The working mode of the invention is as follows: as shown in fig. 4 and 5, the male flange 9 and the female flange 1 are not connected to each other.

When the male flange 9 and the female flange 1 need to be connected, the male flange 9 and the female flange 1 are correspondingly attached, a flange gasket (not shown) is installed between the male flange 9 and the female flange 1 for sealing, then the control ring 2 is moved to the left side, the four locking members 4 are respectively and synchronously driven by the four connecting rods 3 to rotate in the forward direction, so that the clamping groove 41 is connected with the clamping ring 91, the male flange 9 and the female flange 1 are clamped, when the control ring 2 moves to the left side, the pushing block 7 is pushed by the second inclined plane 71 to sink into the accommodating groove 12, when the pushing block 7 corresponds to the clamping hole 21, the first elastic member 82 pushes the pushing block 7 to extend into the clamping hole 21, and the filling block 6 slidably arranged in the clamping hole 21 is pushed upwards to enter the connecting groove 131 and abut against the unlocking inclined block 51, thereby fixedly connecting the control ring 2 with the female flange 1, and fixedly connecting the male flange 9 with the female flange 1.

When unlocking is needed, the unlocking ring 5 is rotated to enable the unlocking ring 5 to drive the unlocking inclined block 51 to move, so that the filling block 6 moves downwards under the pushing of the first inclined surface 511, the pushing block 7 is further pushed to move downwards to extrude the first elastic piece 82, when the filling block 6 is completely immersed in the clamping hole 21, the pushing block 7 is also completely immersed in the accommodating groove 12, the control ring 2 can move to the right side under the action of the second elastic piece 81, and the connecting rod 3 drives the locking piece 4 to rotate reversely, so that the male flange 9 and the female flange 1 can be separated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A flange, said flange comprising:

the male flange is provided with a clamping ring at one end;

a female flange capable of mating with the male flange;

the control ring is sleeved on the female flange and can slide along the female flange;

the locking assemblies are uniformly arranged on the female flange in an annular shape and connected with the control ring, and the locking assemblies can be controlled to be clamped with the clamping ring by sliding the control ring, so that the male flange is clamped with the female flange;

and the clamping assembly is clamped in the clamping ring, and the clamping assembly can fix the control ring.

2. The flange according to claim 1, wherein the locking assembly comprises a connecting rod and a locking member, the locking member is hinged to the female flange, a clamping groove is formed in the locking member, one end of the connecting rod is hinged to the locking member, the other end of the connecting rod is hinged to the control ring, and the locking member can be driven to rotate by moving the control ring, so that the clamping ring is clamped into the clamping groove, and the male flange is fixedly connected with the female flange.

3. The flange according to claim 2, wherein the female flange is provided with a receiving groove, the control ring is provided with a clamping hole, the clamping assembly comprises a first elastic member and a pushing block arranged in the receiving groove, the first elastic member is arranged between the pushing block and the inner wall of the receiving groove, so that the pushing block can be pushed to extend out of the receiving groove and into the clamping hole, and the control ring is fixedly connected with the female flange.

4. The flange according to claim 3, further comprising an unlocking assembly, wherein the unlocking assembly comprises an unlocking ring, a filling block and an unlocking slant block, the filling block is slidably disposed in the clamping hole, the female flange is provided with a connecting ring, the control ring extends between the connecting ring and the female flange after the locking member is clamped with the male flange, the connecting ring is provided with a connecting groove, the filling block can be pushed to extend into the connecting groove after the pushing block extends into the clamping hole, so that the control ring is clamped with the connecting ring, the unlocking ring is rotatably connected to the connecting ring, the unlocking slant block is fixedly disposed inside the unlocking ring and slidably connected to the connecting groove, the unlocking slant block is provided with a first inclined surface, and the first inclined surface abuts against the filling block, the unlocking inclined block can be driven to move by rotating the unlocking ring, so that the filling block is pushed to be separated from the connecting groove, and the pushing block is further pushed to be separated from the clamping hole.

5. The flange according to claim 4, characterized in that a second elastic member is provided between the control ring and the connection ring.

6. The flange according to claim 5, wherein the push block is provided with a second inclined surface, and the control ring can abut against the second inclined surface and move along the second inclined surface, so as to push the push block into the accommodating groove.

7. The flange according to claim 1, wherein a stop block is provided on the female flange, such that the control ring is movable between the stop block and an end adjacent to the connection ring.

8. The flange of claim 1, wherein the flange comprises four locking assemblies, and the four locking assemblies are uniformly distributed on the female flange in a ring shape.