CN217382053U

CN217382053U - Annular limiting double-layer sealing type flange

Info

Publication number: CN217382053U
Application number: CN202221163373.7U
Authority: CN
Inventors: 漏信华
Original assignee: Hangzhou Bokai Precision Machinery Manufacturing Co ltd
Current assignee: Hangzhou Bokai Precision Machinery Manufacturing Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-06
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a flange technical field discloses a spacing double-deck sealed flange of annular, the utility model discloses a barrel, butt joint panel, flange pad half cover, butt joint bolt, butt joint nut, the butt joint panel is fixed in the one end of barrel, the fixed movement joint that is equipped with of barrel longitudinal symmetry, the directional one end opening of keeping away from butt joint panel of movement joint, the fixed joint curb plate that receives that is equipped with on the barrel receives to be equipped with on the joint curb plate, the interval is equipped with the screw hole on the butt joint panel, it is equipped with the receipts seam connecting hole to pass and receives the seam bolt, it is equipped with the receipts seam connecting hole to receive threaded connection on the seam bolt, flange pad half cover is established in arranging the barrel, the outer curved surface wall of flange pad half cover offsets with the inner wall of barrel. The utility model discloses a with flange pad half cover laminating in the inner wall of barrel and make the lug block in the lug groove hole, then with the barrel together with flange pad half cover suit in the end of treating connecting tube, then will receive the seam bolt pass receive seam connecting hole after with receive seam nut threaded connection.

Description

Annular limiting double-layer sealing type flange

Technical Field

The utility model belongs to the technical field of the flange technique and specifically relates to a spacing double-deck sealed flange of annular.

Background

The flange is also called flange disk or flange, the flange is a part for connecting the shaft and the shaft, and is used for connecting pipe ends, the flange used on the inlet and the outlet of the equipment is also used for connecting two pieces of equipment, the flange is provided with holes, the two flanges are tightly connected through bolts, the flanges are sealed through gaskets, the existing flange realizes sealing butt joint through the end face after finish machining, and the sealing mode is not impact-resistant and has poor stability.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the problems, an annular limiting double-layer sealing flange is provided, and the problems are solved.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a spacing double-deck sealed flange of annular, includes barrel, butt joint panel, flange pad half cover, butt joint bolt, butt joint nut, the butt joint panel is fixed in the one end of barrel, the fixed movement joint that is equipped with of barrel longitudinal symmetry, the movement joint is directional to be kept away from the one end opening of butt joint panel, the fixed receipts seam curb plate that is equipped with on the barrel, it is equipped with the receipts seam connecting hole on the receipts seam curb plate to receive, the interval is equipped with the screw hole on the butt joint panel, passes it is equipped with the receipts seam bolt to receive the seam connecting hole, it is equipped with the receipts seam connecting hole to receive threaded connection on the seam bolt, flange pad half cover is established in the barrel, flange pad half cover the outer curved surface wall with the inner wall of barrel offsets.

Preferably, the end surfaces of two adjacent flange pad half sleeves are abutted.

Preferably, the inner wall of the barrel is fixedly provided with lug groove pits at intervals, the outer wall of the flange pad half sleeve is fixedly provided with lugs at intervals, and the lugs are clamped in the lug groove pits.

Preferably, the flange pad half sleeve is provided with a front opening seam and a rear opening seam at intervals, and the rear opening seam and the front opening seam are alternately arranged at intervals.

Preferably, the closed ends of the front opening seam and the rear opening seam are round heads, and the closed end of the deformation seam is a round head.

Preferably, the flange pad half sleeve and the end face of the lug, which is attached to each other, are positioned between the two side walls of the deformation joint.

The utility model has the advantages that: the flange pad half sleeve is attached to the inner wall of the cylinder body, the protruding block is clamped in the protruding block groove pit, then the cylinder body and the flange pad half sleeve are sleeved at the end of a pipeline to be connected, the seam closing bolt penetrates through the seam closing connecting hole and then is in threaded connection with the seam closing nut, so that the deformation joint is tightened, the flange pad half sleeve is pressed on the outer wall surface of the pipeline, the attaching degree between the wall surfaces can be improved through the deformation tightening of the rear opening seam and the front opening seam when the flange pad half sleeve is tightened, the connection tightness of the flange is effectively improved, and the flange has a certain degree of buffering and vibration resistance.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another embodiment of the present invention;

fig. 3 is a schematic top view of fig. 2 (with the docking bolt 11 and the docking nut 12 omitted).

The scores in the figures are as follows: 10. a butt joint panel; 11. a butt bolt; 12. butting nuts; 13. a barrel; 14. a seam closing side plate; 15. closing the seam connecting hole; 16. seam-closing bolts; 17. a seam closing nut; 18. a flange pad half sleeve; 19. a bump; 20. a front opening seam; 21. deformation joints; 22. a rear opening seam; 23. a bump trench; 24. a threaded bore.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The embodiments of the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1-3, a spacing double-deck sealed flange of annular, including barrel 13, dock Panel 10, flange pad half 18, docking bolt 11, docking nut 12, dock Panel 10 is fixed in the one end of barrel 13, the fixed movement joint 21 that is equipped with of barrel 13 longitudinal symmetry, the directional keeping away from of movement joint 21 the one end opening of dock Panel 10, the fixed seam curb plate 14 that receives that is equipped with on barrel 13, be equipped with on the seam curb plate 14 and receive seam connecting hole 15, the interval is equipped with screw hole 24 on the dock Panel 10, passes it is equipped with and receives seam bolt 16 to receive seam connecting hole 15, threaded connection is equipped with and receives seam connecting hole 15 on receiving seam bolt 16, flange pad half 18 set up in the barrel 13, the outer curved surface wall of flange pad half 18 with the inner wall of barrel 13 offsets.

Preferably, the end surfaces of two adjacent flange pad half sleeves 18 are butted.

Preferably, the inner wall of the cylinder 13 is fixedly provided with bump groove pits 23 at intervals, the outer wall of the flange gasket half sleeve 18 is fixedly provided with bumps 19 at intervals, and the bumps 19 are clamped in the bump groove pits 23.

Preferably, the flange pad half-sleeve 18 is provided with a front opening seam 20 and a rear opening seam 22 at intervals, and the rear opening seam 22 and the front opening seam 20 are alternately arranged at intervals.

Preferably, the closed ends of the front opening slit 20 and the rear opening slit 22 are rounded, and the closed end of the deformation slit 21 is rounded.

Preferably, the end face of the flange pad half 18 and the projection 19 that abut against each other is located between the two side walls of the deformation joint 21.

In specific implementation, the flange gasket half sleeve 18 is attached to the inner wall of the cylinder body 13, the bump 19 is clamped in the bump groove pit 23, then the cylinder body 13 and the flange gasket half sleeve 18 are sleeved at the end of a pipeline to be connected, the seam-closing bolt 16 penetrates through the seam-closing connecting hole 15 and then is in threaded connection with the seam-closing nut 17, so that the deformation joint 21 is tightened, the flange gasket half sleeve 18 is pressed on the outer wall surface of the pipeline, the attachment degree between the wall surfaces can be improved through the deformation tightening of the rear opening joint 22 and the front opening joint 20 during tightening, the connection tightness of the flange is effectively improved, and the flange has a certain degree of buffering and vibration resistance.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims

1. The utility model provides a spacing double-deck sealed flange of annular which characterized in that: comprises a cylinder body (13), a butt joint panel (10), a flange pad half sleeve (18), a butt joint bolt (11) and a butt joint nut (12), the butt joint panel (10) is fixed at one end of the cylinder body (13), deformation joints (21) are symmetrically and fixedly arranged on the upper part and the lower part of the cylinder body (13), the deformation joint (21) is open at one end far away from the butt joint panel (10), a seam closing side plate (14) is fixedly arranged on the cylinder body (13), a seam closing connecting hole (15) is arranged on the seam closing side plate (14), threaded holes (24) are arranged on the butt joint panel (10) at intervals, seam-closing bolts (16) penetrate through the seam-closing connecting holes (15), a seam closing connecting hole (15) is connected with the seam closing bolt (16) through screw threads, the flange gasket half sleeve (18) is arranged in the cylinder body (13), and the outer curved wall of the flange gasket half sleeve (18) is abutted to the inner wall of the cylinder body (13).

2. The annular limiting double-layer sealing flange according to claim 1, characterized in that: the end surfaces of two adjacent flange pad half sleeves (18) are abutted.

3. The annular limiting double-layer sealing flange according to claim 2, characterized in that: the flange gasket is characterized in that lug groove pits (23) are fixedly formed in the inner wall of the barrel body (13) at intervals, lugs (19) are fixedly formed in the outer wall of the flange gasket half sleeve (18) at intervals, and the lugs (19) are clamped in the lug groove pits (23).

4. The annular limiting double-layer sealing flange according to claim 3, characterized in that: the flange pad half sleeve (18) is provided with a front opening seam (20) and a rear opening seam (22) at intervals, and the rear opening seam (22) and the front opening seam (20) are alternately arranged at intervals.

5. The annular limiting double-layer sealing flange according to claim 4, wherein: the closed ends of the front opening seam (20) and the rear opening seam (22) are round heads, and the closed end of the deformation seam (21) is a round head.

6. An annular position-limiting double-layer sealing flange according to claim 3, 4 or 5, characterized in that: the end faces of the flange pad half sleeve (18) and the convex block (19) which are mutually attached are positioned between two side walls of the deformation joint (21).