CN110953255A

CN110953255A - Flange connection structure

Info

Publication number: CN110953255A
Application number: CN201911084400.4A
Authority: CN
Inventors: 张延俊
Original assignee: Anhui Laixin Precision Special Steel Pipe Co Ltd
Current assignee: Anhui Laixin Precision Special Steel Pipe Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-04-03

Abstract

The invention relates to the technical field of flanges, in particular to a flange connecting structure which comprises a first flange plate and a second flange plate, wherein a sealing ring clamped inside the first flange plate and the second flange plate is arranged between the first flange plate and the second flange plate, a through hole is formed between the first flange plate and the second flange plate, a locking assembly is arranged in the through hole in the first flange plate and the second flange plate, a first internal thread bushing and a second internal thread bushing which are integrally formed are respectively welded on the outer walls of the opposite sides of the first flange plate and the second flange plate, and a first clamping ring and a second clamping ring are respectively welded on the outer walls of the tops and the bottoms of the first internal thread bushing and the second internal thread bushing. Compared with the traditional flange structure, the flange structure is improved, the defect that the traditional upper shaft piece and the pipe fitting are fixedly connected on the flange plate is overcome, meanwhile, the integral structure is convenient to disassemble, the connection stability is better, and the flange structure is suitable for pipes and shaft pieces used under different conditions.

Description

Flange connection structure

Technical Field

The invention relates to the technical field of flanges, in particular to a flange connecting structure.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection. The connecting parts which are connected by using bolts at the peripheries of two planes and are closed at the same time are generally called flanges, and for example, the connecting parts of the ventilating duct can be called flange parts. However, the connection is only a part of equipment, such as the connection between a flange and a water pump, and the water pump is not easy to be called as a flange part. The small-sized valve can be called as a flange part.

Chinese patent No. CN201480030850.4 provides a flange connection structure which is excellent in shock resistance and can be easily and simply connected as in the past. This flange connection structure possesses: a first member (16) having a first annular flange portion (18); a second member (20) having a second annular flange portion (22); and a sealing body (2) sandwiched between the first member (16) and the second member (20), and the first member (16), the second member (20), and the sealing body (2) are connected and joined by a bolt (28) and a nut (32). The seal body (2) has an annular base portion (4) formed of a metal plate and an elastic seal portion (6) integrally provided to the annular base portion (4), the elastic seal portion (6) is provided so as to cover the annular base portion (4), and the elastic seal portion (6) of the seal body (2) seals between the first annular flange portion (18) and the second annular flange portion (22).

However, the above flange connection structure mainly achieves the sealing performance of the flange connection structure, and there is a certain defect in terms of flange detachment, and further, because the flange connection structure needs to have the capability of bearing a large torque based on the connection between shafts, the effect of the flange connection structure is not so obvious, and the axial positioning between two shafts or two pipes is not reliable, and the invisible disadvantage is hidden, so that it is urgently needed to design a flange connection structure to solve the above problems.

Disclosure of Invention

The present invention is directed to a flange connection structure, which solves the above-mentioned problems of the prior art, such as the flange being disassembled, having certain defects, and the flange connection structure being not so effective because of the need for the connection between shafts to have the capability of bearing a large torque, and being unreliable in the axial positioning between two shafts or two pipes, thereby hiding the invisible disadvantage.

The technical scheme of the invention is as follows: the utility model provides a flange connection structure, includes ring flange one and ring flange two, the position between ring flange one and the ring flange two is provided with the centre gripping at the inside sealing washer of ring flange one and ring flange two, be provided with the through-hole between ring flange one and the ring flange two, and be provided with the locking subassembly in the through-hole on ring flange one and the ring flange two, welded integrated into one piece's first internal thread bush and second internal thread bush on the outer wall of ring flange one and ring flange two opposite sides respectively, it has first snap ring and second snap ring to weld respectively on the outer wall of first internal thread bush and second internal thread bush top and bottom, all open the pinhole on the outer wall at first snap ring and second snap ring top, and the pinhole sets up to two side by side, the inside grafting of pinhole has the round pin post, the inside joint of first snap ring and second snap ring has the axle piece.

Furthermore, the sealing ring is of a thread structure and is made of a soft rubber material.

Furthermore, an integrally formed threaded plug is arranged on the outer wall of one end of the sealing ring, a threaded ring is fixedly arranged on the outer wall of one end of the flange plate, the threaded plug is in threaded connection with the inside of the threaded ring, a threaded hole is formed in the other end of the sealing ring, a threaded head is fixedly arranged on the outer wall of one end of the flange plate, and the threaded head is in threaded connection with the inside of the threaded hole.

Furthermore, the inner concave surfaces of the first snap ring and the second snap ring are fixedly bonded with gaskets, the gaskets are of semicircular structures, and the surface structures of the gaskets are net-shaped.

Furthermore, the top welding of round pin post has integrated into one piece's cap, and opens on the bottom lateral wall of round pin post has the round hole, and the inside grafting of round hole has elastic construction's buckle.

Further, it has the internal thread mouth to open on the outer wall at first snap ring top, and the internal thread of internal thread mouth is pegged graft and is had the lead screw, the welding has cylindrical end on the outer wall of lead screw bottom, and the outside of cylindrical end rotates and has cup jointed and rotate the seat, the welding has the staple bolt on the outer wall of rotation seat bottom, the welding has the rolling disc on the outer wall on lead screw top, and the welding has the twist grip that the equidistance is annular distribution on the outer wall of rolling disc.

Furthermore, the hoop is of a semi-annular structure, and an anti-slip mat is fixedly arranged on the inner concave surface of the hoop.

Further, the locking subassembly includes the polished rod, and the both ends of polished rod are the screw thread section, the outside screw thread of screw thread section has cup jointed first nut and second nut, and is provided with anti-skidding line on the one side outer wall that first nut and second nut looked mutually.

Furthermore, the outer walls of the two ends of the shaft are provided with countersunk heads which are integrally formed, the countersunk head threads are inserted into the first internal thread bushing or the second internal thread bushing, two through holes with the same specification are formed in the two sides of the outer wall of the shaft, and the pin column penetrates through the through hole.

The invention provides a flange connecting structure through improvement, compared with the prior art, the flange connecting structure has the following improvements and advantages:

(1) the flange structure is improved compared with the traditional flange structure by the arrangement of the first clamping ring and the second clamping ring, the defect that the traditional upper shaft piece and the pipe fitting are fixedly connected on the flange plate is overcome, and meanwhile, the integral structure is convenient to disassemble, has better connection stability and is suitable for pipes and shaft pieces used under different conditions.

(2) Through round pin post, the staple bolt that sets up, can carry out radial ascending constraint to geminate transistors and axle piece, play the fine effect of dragging, guaranteed overall connection structure's steadiness, avoided appearing the phenomenon that long-time work back pipe and axle piece drop.

(3) Utilize the countersunk head screw in of shaft member tip to first internal thread bush or the inside of second internal thread bush, strengthened two shaft members and utilized the intensity of flange structural connection, guaranteed that it has more transmission moment of torsion, satisfied the effect that people want.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of the first and second snap ring arrangements of the present invention;

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

FIG. 4 is a schematic structural view of the latch assembly of the present invention;

fig. 5 is a schematic view of the shaft structure of the present invention.

Description of reference numerals:

the novel anti-slip ring comprises a first flange plate 1, a second flange plate 2, a sealing ring 3, a locking assembly 4, a first internal thread bushing 5, a second internal thread bushing 6, a first snap ring 7, a second snap ring 8, a gasket 9, a pin hole 10, a pin post 11, a buckle 12, a lead screw 13, a tip 14, a rotating seat 15, a hoop 16, a non-slip mat 17, a rotating disc 18, a rotating handle 19, a shaft 20, a polished rod 21, a threaded section 22, a first nut 23, a second nut 24, a threaded ring 25, a threaded head 26, a threaded plug 27, a threaded hole 28, a countersunk head 29 and a through hole 30.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 "secured to" 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 "connected" to another component, it can be directly connected to the other component or intervening components 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 "and/or" includes any and all combinations of one or more of the associated listed items.

The invention provides a flange connecting structure through improvement, as shown in figures 1-5, comprising a flange plate I1 and a flange plate II 2, wherein a sealing ring 3 clamped inside the flange plate I1 and the flange plate II 2 is arranged between the flange plate I1 and the flange plate II 2, a good sealing effect is achieved for the connection of pipelines, a through hole is arranged between the flange plate I1 and the flange plate II 2, a locking component 4 is arranged in the through hole on the flange plate I1 and the flange plate II 2, the flange plate I1 and the flange plate II 2 are connected and fixed, a first internal thread bushing 5 and a second internal thread bushing 6 which are integrally formed are respectively welded on the outer wall of the opposite side of the flange plate I1 and the flange plate II 2, a first snap ring 7 and a second snap ring 8 are respectively welded on the outer wall of the top and the bottom of the first internal thread bushing 5 and the second internal thread bushing 6, pinhole 10 has all been opened on the outer wall at first snap ring 7 and the 8 tops of second snap ring, and pinhole 10 sets up to two side by side, and the inside grafting of pinhole 10 has round pin post 11, plays the effect of dragging to the inside pipe of grafting at first snap ring 7 and second snap ring 8 and axle piece, and the inside joint of first snap ring 7 and second snap ring 8 has axle piece 20.

Further, the sealing ring 3 is of a thread structure, and the sealing ring 3 is made of a soft rubber material.

Furthermore, an integrally formed threaded plug 27 is arranged on the outer wall of one end of the sealing ring 3, a threaded ring 25 is fixedly arranged on the outer wall of one end of the first flange plate 1, the threaded plug 27 is in threaded connection with the inside of the threaded ring 25, a threaded hole 28 is formed in the inside of the other end of the sealing ring 3, a threaded head 26 is fixedly arranged on the outer wall of one end of the second flange plate 2, and the threaded head 26 is in threaded connection with the inside of the threaded hole 28.

Further, all be fixed the bonding and have packing ring 9 on the interior concave surface of first snap ring 7 and second snap ring 8, and packing ring 9 is half ring structure, and the surface structure of packing ring 9 is netted, plays the effect of fine buffering to the axle piece of installing at first snap ring 7 and second snap ring 8, has also played skid-proof effect simultaneously.

Further, the top welding of round pin post 11 has integrated into one piece's cap, and opens on the bottom lateral wall of round pin post 11 has the round hole, and the buckle 12 of elastic construction is pegged graft to the inside of round hole, lets the inside of pegging graft at pinhole 10 that round pin post 11 can be more stable.

Further, open on the outer wall at first snap ring 7 top has the internal thread mouth, and the internal thread of internal thread mouth is pegged graft and is had lead screw 13, and the welding has cylindrical end 14 on the outer wall of lead screw 13 bottom, and the outside of cylindrical end 14 is rotated and has been cup jointed and rotate seat 15, and the welding has staple bolt 16 on the outer wall of rotating seat 15 bottom, and the welding has rolling disc 18 on the outer wall on lead screw 13 top, and the welding has the turning handle 19 that the equidistance is the annular and distributes on the outer wall of rolling disc 18.

Furthermore, the hoop 16 is of a semi-annular structure, and the anti-slip mat 17 is fixedly arranged on the concave surface of the hoop 16, so that radial constraint on the shaft 20 is achieved, and the reliability of the shaft during installation is improved.

Further, locking subassembly 4 includes polished rod 21, and the both ends of polished rod 21 are screw thread section 22, and the outside screw thread of screw thread section 22 has cup jointed first nut 23 and second nut 24, and is provided with anti-skidding line on the one side outer wall that first nut 23 and second nut 24 looked mutually, and the in close contact between first nut 23 and the second nut 24 realizes utilizing locking subassembly 4 to the fixed of ring flange 1 and ring flange two 2.

Further, the outer walls of the two ends of the shaft 20 are provided with the countersunk heads 29 which are integrally formed, the countersunk heads 29 are inserted into the first internal thread bushing 5 or the second internal thread bushing 6 in a threaded manner, two through holes 30 with the same specification are formed in the two sides of the outer wall of the shaft 20, the pin 11 penetrates through the through holes 30, the countersunk heads 29 at the end parts of the shaft 20 are screwed into the first internal thread bushing 5 or the second internal thread bushing 6, the strength of the connection of the two shafts 20 by using a flange structure is enhanced, and the transmission torque is ensured.

The working principle of the invention is as follows: an operator operates a single shaft element 20, the shaft element 20 is in threaded connection with the inside of the first internal thread bushing 5 through a countersunk head 29 at the end part, wherein, it should be noted that a through hole 30 on the shaft element 20 is in the same vertical line with the pin hole 10, then, the operator passes through the pin hole 10 and the through hole 30 in sequence and fixes the pin 11 on the bottom end of the pin 11 by using a buckle 12, so as to fix the shaft element 20 inside the first internal thread bushing 5, then, the operator holds a rotating handle 19 with hands, the rotating handle 19 drives a screw rod 13 to rotate through a rotating disc 18, so that an end head 14 rotates inside a rotating seat 15, meanwhile, the screw rod 13 descends to drive a hoop 16 to extrude the shaft element 20, so as to fix the shaft element 20 again and provide the fixing reliability of the shaft element, after the operator finishes the pre-operation on the flange plate 1 and the flange plate 2, an operator approaches the flange plate I1 and the flange plate II 2, the sealing ring 3 is placed between the flange plate I1 and the flange plate II 2, the thread of the thread plug 27 on the sealing ring 3 enters the inside of the thread ring 25, the thread head 26 at the end part of the flange plate II 2 is screwed into the thread hole 28, connection between the sealing ring and the flange plate I1 and the flange plate II 2 is realized, the polished rod 21 is inserted into the mounting holes of the flange plate I1 and the flange plate II 2, pre-tightening between the flange plate I1 and the flange plate II 2 is realized by the first nut 23 and the second nut 24, a good connection effect is achieved, the connection reliability between the flange plate I1 and the flange plate II 2 is ensured, and a shaft part can bear large transmission torque.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flange connection structure is characterized in that: the flange plate comprises a first flange plate (1) and a second flange plate (2), a sealing ring (3) clamped inside the first flange plate (1) and the second flange plate (2) is arranged between the first flange plate (1) and the second flange plate (2), a through hole is formed between the first flange plate (1) and the second flange plate (2), a locking assembly (4) is arranged in the through hole in the first flange plate (1) and the second flange plate (2), a first internal thread bushing (5) and a second internal thread bushing (6) which are integrally formed are welded on the outer walls of the opposite sides of the first flange plate (1) and the second flange plate (2), a first clamping ring (7) and a second clamping ring (8) are welded on the outer walls of the top and the bottom of the first internal thread bushing (5) and the second internal thread bushing (6) respectively, pin holes (10) are formed in the outer walls of the top of the first clamping ring (7) and the second clamping ring (8), and the pin holes (10) are arranged in parallel, the pin columns (11) are inserted into the pin holes (10), and the shaft pieces (20) are clamped in the first clamping ring (7) and the second clamping ring (8).

2. A flange connection according to claim 1, wherein: the sealing ring (3) is of a threaded structure, and the sealing ring (3) is made of a soft rubber material.

3. A flange connection according to claim 1, wherein: the sealing ring is characterized in that an integrally formed threaded plug (27) is arranged on the outer wall of one end of the sealing ring (3), a threaded ring (25) is fixedly arranged on the outer wall of one end of the first flange plate (1), the threaded plug (27) is in threaded connection with the inside of the threaded ring (25), a threaded hole (28) is formed in the inside of the other end of the sealing ring (3), a threaded head (26) is fixedly arranged on the outer wall of one end of the second flange plate (2), and the threaded head (26) is in threaded connection with the inside of the threaded hole (28).

4. A flange connection according to claim 1, wherein: all fixed bonding has packing ring (9) on the interior concave surface of first snap ring (7) and second snap ring (8), and packing ring (9) are half ring structure, and the surface structure of packing ring (9) is netted.

5. A flange connection according to claim 1, wherein: the top welding of round pin post (11) has integrated into one piece's cap, and opens on the bottom lateral wall of round pin post (11) has the round hole, and the inside of round hole is pegged graft buckle (12) of elastic construction.

6. A flange connection according to claim 1, wherein: open on the outer wall at first snap ring (7) top has the internal thread mouth, and the internal thread of internal thread mouth is pegged graft and is had lead screw (13), the welding has cylindrical end (14) on the outer wall of lead screw (13) bottom, and the outside of cylindrical end (14) is rotated and has been cup jointed and rotate seat (15), the welding has staple bolt (16) on the outer wall of rotation seat (15) bottom, the welding has rolling disc (18) on the outer wall on lead screw (13) top, and the welding has turning handle (19) that the equidistance is the annular and distributes on the outer wall of rolling disc (18).

7. A flange connection according to claim 6, wherein: the hoop (16) is of a semi-annular structure, and an anti-slip mat (17) is fixedly arranged on the inner concave surface of the hoop (16).

8. A flange connection according to claim 1, wherein: locking subassembly (4) include polished rod (21), and the both ends of polished rod (21) are screw thread section (22), the outside screw thread of screw thread section (22) has cup jointed first nut (23) and second nut (24), and is provided with anti-skidding line on the one side outer wall that first nut (23) and second nut (24) looked mutually.

9. A flange connection according to claim 1, wherein: all be provided with integrated into one piece's countersunk head (29) on the outer wall at axle piece (20) both ends, and countersunk head (29) screw thread grafting is in the inside of first internal thread bush (5) or second internal thread bush (6), the both sides of axle piece (20) outer wall all opened two through holes (30) that the specification is the same, and cotter post (11) pass through hole (30).