CN213839943U - Stainless steel flange for low-temperature working condition - Google Patents

Stainless steel flange for low-temperature working condition Download PDF

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Publication number
CN213839943U
CN213839943U CN202022229211.6U CN202022229211U CN213839943U CN 213839943 U CN213839943 U CN 213839943U CN 202022229211 U CN202022229211 U CN 202022229211U CN 213839943 U CN213839943 U CN 213839943U
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China
Prior art keywords
flange
stainless steel
piece
ring
hole
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CN202022229211.6U
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Chinese (zh)
Inventor
袁建刚
吴朝华
王俊
王鑫
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Yixing Wanhua Flange Forging Co ltd
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Yixing Wanhua Flange Forging Co ltd
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Abstract

The utility model discloses a stainless steel flange for low temperature operating mode relates to stainless steel flange technical field, for solving and increasing the low temperature environment through the structural strength who increases stainless steel flange and use the resistance down, utilizes the resistance to offset partial shrinkage power, and this mode recovers after a lot of shrinkage deformation and leads to the flange to appear the crack easily, and life shortens, can not satisfy user demand's problem. The flange is characterized in that flange connecting pieces are arranged on two sides of the flange body, a through hole is formed in the center of each flange connecting piece, the through hole and the flange connecting pieces are punched into an integral structure, flange bosses are arranged at two ends of the flange body, flange flanges are arranged at the positions where the flange bosses are in contact with the flange body, one end of each flange boss penetrates through the through hole and extends to one side of each flange connecting piece, rubber pads are arranged between the flange plates and the flange connecting pieces, accommodating grooves are formed in the end faces of the flange plates, and four accommodating grooves are formed in the accommodating grooves.

Description

Stainless steel flange for low-temperature working condition
Technical Field
The utility model relates to a stainless steel flange technical field specifically is a stainless steel flange for low temperature operating mode.
Background
The flange is also called a flange or flange. Flanges are parts for connecting pipes to each other and are connected to pipe ends, the flanges are provided with holes, bolts tightly connect the two flanges, the flanges are sealed by gaskets, and the flanges are connected (screwed) with the flanges and welded flanges by screw threads, and are generally made of stainless steel materials and are also called stainless steel flanges. Flanges are disk-like parts, which are most commonly used in pipe work, where they are mainly used for the connection of pipes. The pipeline is usually used in an exposed environment, the external environment temperature is lower in a specific time period, and the used stainless steel flange needs to have good low-temperature working condition performance.
At present, the stainless steel flange that uses under the low temperature operating mode ensures its good working property in the future, all increases the low temperature environment through the structural strength who increases the stainless steel flange and uses the resistance, utilizes the resistance to offset partial cold-shrinking power, and this mode recovers after a lot of cold-shrinking deformation and leads to the flange to appear the crack easily, and life shortens, can not satisfy the user demand. Therefore, stainless steel flanges for low temperature conditions are urgently needed in the market to solve these problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stainless steel flange for low temperature operating mode to propose in solving above-mentioned background art and increase the low temperature environment through the structural strength who increases stainless steel flange and use the resistance down, utilize the resistance to offset partial shrinkage power, this mode recovers after a lot of shrinkage deformation and leads to the flange to appear the crack easily, and life shortens, can not satisfy user demand's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a stainless steel flange for low temperature operating mode, including the flange body, the both sides of the flange body all are provided with flange connection piece, flange connection piece's central point puts the department and is provided with the through-hole, and through-hole and flange connection piece punching press structure as an organic whole, the both ends of the flange body all are provided with the flange boss, and flange boss and flange body set up structure as an organic whole, flange boss and flange body contact department are provided with the ring flange, and the ring flange sets up structure as an organic whole with the flange body, the one end of flange boss runs through the through-hole and extends to one side of flange connection piece, be provided with the rubber pad between ring flange and the flange connection piece, and the rubber pad is laminated with ring flange and flange connection piece respectively, be provided with on the terminal surface of ring flange and accomodate the groove, accomodate the groove and be provided with four, and four accomodate the groove and set gradually on the ring flange.
Preferably, one side of accomodating the groove is provided with the pilot hole, and pilot hole and ring flange punching press integral structure, one side of flange joint piece is provided with the thread bush, and the thread bush is provided with four, and four thread bushes all set up structure as an organic whole with the flange joint piece, one side of ring flange is provided with the locking screw bolt, and the locking screw bolt is provided with four, and the one end of four locking screw bolts all runs through the pilot hole and extends to the inside of thread bush, the locking screw bolt rotates with the ring flange to be connected, and locking screw bolt and thread bush threaded connection.
Preferably, the below of pilot hole is provided with spacing recess, and spacing recess is provided with four, and four spacing recesses set gradually on the ring flange, one side of flange joint piece is provided with the stopper, and the stopper is provided with four, and stopper and flange joint piece set up structure as an organic whole, the one end of stopper extends to the inside of spacing recess, and the stopper is connected with the ring flange block.
Preferably, the inside of accomodating the groove is provided with the pressure spring gasket, and the pressure spring gasket sets up between ring flange and locking screw bolt, the both ends of pressure spring gasket laminate mutually with ring flange and locking screw bolt respectively, the sliding connection is tied to pressure spring gasket and locking screw.
Preferably, the flange body is externally provided with a spiral reinforcing rib, and the spiral reinforcing rib is welded with the outer wall of the flange body.
Preferably, the inside of through-hole is provided with the sealing washer, and sealing washer and flange connection piece set up structure as an organic whole, the outer wall of sealing washer and flange boss is laminated mutually.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a device is through the setting of locking thread bolt, pressure spring gasket and rubber pad, and the screw in can be connected ring flange and flange joint piece in tying the screw thread to the thread bush with locking thread to with flange and pipe connection, and the rubber pad can block up the clearance between ring flange and the flange joint piece, and the pressure spring gasket then can cushion the effort, thereby make ring flange and flange joint piece connection stability better, the result of use is better under low temperature environment. The problem of can carry out appropriate buffering with cold-shrinking power in the use to flange low temperature operating mode effect has been improved is solved.
2. The utility model discloses a device inserts the stopper in the spacing recess through the setting of stopper and spacing recess, can be being connected the ring flange and the flange joint piece and carry on spacingly to ensure to be connected relatively stable between ring flange and the flange joint piece. The problem of can avoid the dislocation to appear in the shrinkage difference between ring flange and the flange connection piece is solved.
3. The utility model discloses a device passes through the setting of spiral strengthening rib, and the spiral strengthening rib has increased the structural strength of the flange body, has solved the structural strength that can pass through the increase flange body, has improved the flange body resistance and has used more stable problem at low temperature.
Drawings
Fig. 1 is a front view structure diagram of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a cross-sectional view of the flange connecting piece of the present invention.
Fig. 4 is a partial enlarged view of the area a of the present invention.
In the figure: 1. a flange body; 2. a spiral reinforcing rib; 3. a flange plate; 4. a flange connecting sheet; 5. a flange boss; 6. a through hole; 7. a seal ring; 8. locking the threaded bolt; 9. a threaded sleeve; 10. a limiting block; 11. a compressed spring gasket; 12. a limiting groove; 13. an assembly hole; 14. a rubber pad; 15. a receiving groove.
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.
Referring to fig. 1-4, the present invention provides an embodiment: a stainless steel flange used for low-temperature working conditions comprises a flange body 1, flange connecting pieces 4 are arranged on two sides of the flange body 1, a through hole 6 is arranged at the center of each flange connecting piece 4, the through hole 6 and the flange connecting pieces 4 are punched into an integral structure, flange bosses 5 are arranged on two ends of the flange body 1, the flange bosses 5 and the flange body 1 are arranged into an integral structure, a flange 3 is arranged at the contact position of the flange bosses 5 and the flange body 1, the flange 3 and the flange body 1 are arranged into an integral structure, one end of each flange boss 5 penetrates through the through hole 6 and extends to one side of the flange connecting piece 4, the flange bosses 5 are convenient for connecting the flange and the flange connecting pieces 4, a rubber pad 14 is arranged between the flange 3 and the flange connecting pieces 4, the rubber pad 14 is respectively attached to the flange 3 and the flange 4, and the rubber pad 14 can fill gaps between the flange 3 and the flange connecting pieces 4, the flange plate 3 is provided with four accommodating grooves 15 on the end face thereof, and the four accommodating grooves 15 are sequentially arranged on the flange plate 3.
Further, one side of accomodating groove 15 is provided with pilot hole 13, and pilot hole 13 and 3 punching press of ring flange structure as an organic whole, one side of flange joint piece 4 is provided with thread bush 9, thread bush 9 is provided with four, and four thread bushes 9 all set up structure as an organic whole with flange joint piece 4, one side of ring flange 3 is provided with locking screw bolt 8, locking screw bolt 8 is provided with four, and four locking screw bolts 8's one end all runs through pilot hole 13 and extends to the inside of thread bush 9, locking screw bolt 8 rotates with ring flange 3 to be connected, and locking screw bolt 8 and 9 threaded connection of thread bush. The flange 3 can be connected to the flange connection piece 4 by means of a locking screw 8 and a screw sleeve 9.
Further, the below of pilot hole 13 is provided with spacing recess 12, and spacing recess 12 is provided with four, and four spacing recesses 12 set gradually on ring flange 3, and one side of flange joint piece 4 is provided with stopper 10, and stopper 10 is provided with four, and stopper 10 sets up structure as an organic whole with flange joint piece 4, and the one end of stopper 10 extends to the inside of spacing recess 12, and stopper 10 is connected with 3 blocks of ring flange. The flange plate 3 and the flange connecting piece 4 which are connected can be mutually limited through the limiting block 10 and the limiting groove 12, so that the connection stability of the flange plate 3 and the flange connecting piece 4 is improved.
Further, the inside of accommodating groove 15 is provided with pressure spring gasket 11, and pressure spring gasket 11 sets up between ring flange 3 and locking screw bolt 8, and the both ends of pressure spring gasket 11 are laminated with ring flange 3 and locking screw bolt 8 mutually respectively, pressure spring gasket 11 and locking screw bolt 8 sliding connection. The pressure spring gasket 11 can buffer properly when receiving acting force, so that the connection stability of the flange plate 3 and the flange connecting piece 4 is improved.
Further, the flange body 1 is provided with a spiral reinforcing rib 2 at the outside thereof, and the spiral reinforcing rib 2 is welded with the outer wall of the flange body 1. The structural strength of the flange body 1 can be increased, so that the resistance of the flange is improved.
Further, the inside of through-hole 6 is provided with sealing washer 7, and sealing washer 7 sets up structure as an organic whole with flange connection piece 4, and sealing washer 7 is laminated mutually with the outer wall of flange boss 5. The sealing performance of the connection between the flange boss 5 and the flange connecting piece 4 can be improved through the sealing ring 7.
The working principle is as follows: during the use, be connected flange connection piece 4 and pipeline, run through-hole 6 and place rubber pad 14 between ring flange 3 and flange connection piece 4 with the one end of flange boss 5, insert locking screw 8 and screw in the thread bush 9, can reduce the interval between ring flange 3 and the flange connection piece 4 along with locking screw 8 extends to the length increase in the thread bush 9, can make the extrusion force increase between flange boss 5 and the sealing washer 7 like this, thereby it divides the leakproofness to have improved to be connected between flange boss 5 and the flange connection piece 4. Can lead to the flange body to shrink when using under low temperature environment to lead to appearing the dislocation between it and the flange joint piece 4, and pressure spring gasket 11 then can carry out appropriate buffering with the shrinkage force, thereby ensures that flange and flange joint piece 4 are connected stably, the difference in height can not appear, and spiral strengthening rib 2 has increased the structural strength of flange, thereby reduces the effect range of shrinkage force, thereby has improved flange low temperature operating mode result of use and stability can.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A stainless steel flange for low temperature operating mode, including flange body (1), its characterized in that: the flange is characterized in that flange connecting pieces (4) are arranged on two sides of the flange body (1), a through hole (6) is formed in the center of each flange connecting piece (4), the through hole (6) and the flange connecting pieces (4) are punched into an integral structure, flange bosses (5) are arranged at two ends of the flange body (1), the flange bosses (5) and the flange body (1) are arranged into an integral structure, a flange plate (3) is arranged at the contact position of the flange bosses (5) and the flange body (1), the flange plate (3) and the flange body (1) are arranged into an integral structure, one end of each flange boss (5) penetrates through the through hole (6) and extends to one side of each flange connecting piece (4), a rubber pad (14) is arranged between the flange plate (3) and the flange connecting pieces (4), and the rubber pad (14) is respectively attached to the flange plate (3) and the flange connecting pieces (4), be provided with on the terminal surface of ring flange (3) and accomodate groove (15), accomodate groove (15) and be provided with four, and four accomodate groove (15) and set gradually on ring flange (3).
2. A stainless steel flange for low temperature conditions according to claim 1, wherein: one side of accomodating groove (15) is provided with pilot hole (13), and pilot hole (13) and ring flange (3) punching press structure as an organic whole, one side of flange connection piece (4) is provided with thread bush (9), and thread bush (9) are provided with four, and four thread bushes (9) all set up structure as an organic whole with flange connection piece (4), one side of ring flange (3) is provided with locking thread bolt (8), and locking thread bolt (8) are provided with four, and the one end of four locking thread bolts (8) all runs through pilot hole (13) and extends to the inside of thread bush (9), locking thread bolt (8) rotate with ring flange (3) and are connected, and locking thread bolt (8) and thread bush (9) threaded connection.
3. A stainless steel flange for low temperature conditions according to claim 2, wherein: the assembling structure is characterized in that a limiting groove (12) is formed in the lower portion of the assembling hole (13), four limiting grooves (12) are formed in the flange plate (3), the four limiting grooves (12) are sequentially arranged on the flange plate (3), a limiting block (10) is arranged on one side of the flange connecting piece (4), the limiting block (10) is provided with four limiting blocks, the limiting block (10) and the flange connecting piece (4) are arranged to be of an integrated structure, one end of the limiting block (10) extends to the inside of the limiting groove (12), and the limiting block (10) is connected with the flange plate (3) in a clamping mode.
4. A stainless steel flange for low temperature conditions according to claim 1, wherein: accomodate the inside of groove (15) and be provided with pressure spring gasket (11), and pressure spring gasket (11) set up between ring flange (3) and locking screw bolt (8), the both ends of pressure spring gasket (11) are laminated with ring flange (3) and locking screw bolt (8) respectively mutually, pressure spring gasket (11) are tied (8) sliding connection with locking screw.
5. A stainless steel flange for low temperature conditions according to claim 1, wherein: the flange is characterized in that a spiral reinforcing rib (2) is arranged outside the flange body (1), and the spiral reinforcing rib (2) is welded with the outer wall of the flange body (1).
6. A stainless steel flange for low temperature conditions according to claim 1, wherein: the sealing ring (7) is arranged inside the through hole (6), the sealing ring (7) and the flange connecting piece (4) are arranged into an integral structure, and the sealing ring (7) is attached to the outer wall of the flange boss (5).
CN202022229211.6U 2020-10-10 2020-10-10 Stainless steel flange for low-temperature working condition Active CN213839943U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022229211.6U CN213839943U (en) 2020-10-10 2020-10-10 Stainless steel flange for low-temperature working condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022229211.6U CN213839943U (en) 2020-10-10 2020-10-10 Stainless steel flange for low-temperature working condition

Publications (1)

Publication Number Publication Date
CN213839943U true CN213839943U (en) 2021-07-30

Family

ID=77007832

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022229211.6U Active CN213839943U (en) 2020-10-10 2020-10-10 Stainless steel flange for low-temperature working condition

Country Status (1)

Country Link
CN (1) CN213839943U (en)

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