CN219975730U - Firm in connection's connecting piece - Google Patents
Firm in connection's connecting piece Download PDFInfo
- Publication number
- CN219975730U CN219975730U CN202321504563.5U CN202321504563U CN219975730U CN 219975730 U CN219975730 U CN 219975730U CN 202321504563 U CN202321504563 U CN 202321504563U CN 219975730 U CN219975730 U CN 219975730U
- Authority
- CN
- China
- Prior art keywords
- flange
- mounting holes
- holes
- fixing rings
- firmly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000011295 pitch Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a connecting piece with firm connection, which comprises flange plates, connecting cylinders, connecting bolts, nuts, fixing rings, rotating rings and locking bolts, wherein a sealing gasket is clamped between the flange plates, the mutually far sides of the two flange plates are respectively provided with a connecting cylinder, the two flange plates are provided with a plurality of mounting holes in one-to-one correspondence, the connecting bolts penetrate through the corresponding two mounting holes, the connecting bolts are screwed with the nuts, the flange plates on the side where the nuts are located are provided with a plurality of fixing rings in one-to-one correspondence with the mounting holes, the fixing rings are coaxial with the corresponding mounting holes, the nuts are enclosed by the fixing rings, the rotating rings are arranged on the fixing rings, and the rotating rings and the fixing rings are fixed in a threaded connection mode. According to the flange, the fixing ring, the rotating ring and the locking bolt are matched, so that the nut is not easy to loosen after being screwed, the flange is firmly connected, the flange connection is safe and reliable, failure is not easy to occur, and the tightness of the flange is effectively ensured.
Description
[ field of technology ]
The utility model relates to the technical field of pipelines, in particular to the technical field of pipeline connectors.
[ background Art ]
Flanges are a common type of pipe connection that can effectively connect pipes. The existing flange is easy to lose efficacy due to loosening of a fastener after being used for a period of time, so that the tightness of a pipeline connecting position is poor, and a certain potential safety hazard is brought.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a connecting piece with firm connection, which can ensure that flanges are firmly connected and are not easy to loosen.
In order to achieve the above purpose, the utility model provides a connecting piece with firm connection, which comprises flange plates, connecting cylinders, connecting bolts, nuts, fixing rings, rotating rings and locking bolts, wherein a sealing gasket is clamped between the flange plates, the mutually far side of the two flange plates is provided with the connecting cylinders, the two flange plates are provided with a plurality of installing holes in one-to-one correspondence, the connecting bolts penetrate through the corresponding two installing holes, the connecting bolts are screwed with the nuts, the flange plates on the side where the nuts are located are provided with a plurality of fixing rings in one-to-one correspondence with the installing holes, the fixing rings are coaxial with the corresponding installing holes, the fixing rings surround the nuts, the rotating rings are installed on the fixing rings, the rotating rings and the fixing rings are fixed in a threaded connection mode, the rotating rings are provided with a plurality of auxiliary grooves, the auxiliary grooves penetrate through the side walls of the rotating rings, the auxiliary grooves are parallel to the axes of the installing holes, the nuts are provided with a plurality of threaded holes in one-to-one correspondence with the auxiliary grooves, and the locking bolts penetrate through the auxiliary grooves to be screwed on the threaded holes.
Preferably, the rotation directions of the threads of the rotating ring and the nut are opposite and the pitches are different.
Preferably, a locking gasket is clamped between the bolt head of the connecting bolt and the flange plate, and a locking gasket is clamped between the nut and the flange plate.
Preferably, the sealing gasket is provided with a plurality of through holes corresponding to the mounting holes one by one, and the bolts penetrate through the through holes.
Preferably, a plurality of limiting rods are arranged around the mounting holes of the flange plate on the side where the bolt heads of the connecting bolts are located, a plurality of limiting holes corresponding to the limiting rods one by one are arranged on the bolt heads of the connecting bolts, and the limiting rods are inserted into the corresponding limiting holes.
Preferably, the height of the fixed ring is 1/5-1/3 of the height of the nut, and the auxiliary groove is positioned in the middle of the rotating ring.
Preferably, the flange plate and the connecting cylinder are of an integrated structure.
Preferably, the cross section of the sealing gasket is T-shaped.
The utility model has the beneficial effects that: according to the flange, the fixing ring, the rotating ring and the locking bolt are matched, so that the nut is not easy to loosen after being screwed, the flange is firmly connected, the flange connection is safe and reliable, failure is not easy to occur, and the tightness of the flange is effectively ensured; the setting of gag lever post makes the bolt difficult not hard up, has further guaranteed flange joint's reliability.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a firmly connected connector according to the present utility model.
In the figure: 1-flange plate, 2-sealing gasket, 3-connecting bolt, 4-nut, 10-connecting cylinder, 11-spacing rod, 15-fixed ring, 16-rotating ring, 17-auxiliary groove, 18-locking bolt, 30-locking gasket, 31-spacing hole, 40-threaded hole.
[ detailed description ] of the utility model
Referring to fig. 1, the connecting piece comprises a flange 1, a connecting cylinder 10, a connecting bolt 3, a nut 4, a fixed ring 15, a rotating ring 16 and a locking bolt 18, wherein a sealing gasket 2 is clamped between the flange 1, the connecting cylinder 10 is arranged on the mutually far side of the two flanges 1, a plurality of one-to-one corresponding mounting holes are arranged on the two flanges 1, the connecting bolt 3 passes through the corresponding two mounting holes, the nut 4 is screwed on the connecting bolt 3, a plurality of fixed rings 15 which are in one-to-one correspondence with the mounting holes are arranged on the flange 1 on the side of the nut 4, the fixed ring 15 is coaxial with the corresponding mounting holes, the nut 4 is enclosed by the fixed ring 15, a rotating ring 16 is arranged on the fixed ring 15, the rotating ring 16 and the fixed ring 15 are fixed in a threaded connection manner, a plurality of auxiliary grooves 17 are arranged on the rotating ring 16, the auxiliary groove 17 penetrates through the side wall of the rotating ring 16, the auxiliary groove 17 is parallel to the axis of the mounting hole, a plurality of threaded holes 40 which are in one-to-one correspondence with the auxiliary groove 17 are formed in the nut 4, the locking bolt 18 penetrates through the auxiliary groove 17 and is screwed on the threaded holes 40, the rotating ring 16 and the nut 4 are opposite in threaded rotation direction and different in tooth distance, a locking gasket 30 is clamped between the bolt head of the connecting bolt 3 and the flange plate 1, the locking gasket 30 is clamped between the nut 4 and the flange plate 1, a plurality of through holes which are in one-to-one correspondence with the mounting hole are formed in the sealing gasket 2, the bolts penetrate through the through holes, a plurality of limiting rods 11 are arranged around the mounting hole of the flange plate 1 on the side of the bolt head of the connecting bolt 3, a plurality of limiting holes 31 which are in one-to-one correspondence with the limiting rods 11 are formed in the bolt head of the connecting bolt 3, the limiting rods 11 are inserted in the corresponding limiting holes 31, the height of the fixed ring 15 is 1/5-1/3 of the height of the nut 4, the auxiliary groove 17 is positioned in the middle of the rotating ring 16, the flange plate 1 and the connecting cylinder 10 are of an integrated structure, and the section of the sealing gasket 2 is T-shaped.
The working process of the utility model comprises the following steps:
in the working process of the connecting piece with firm connection, the fixed ring 15, the rotating ring 16 and the locking bolt 18 are matched, so that the nut 4 is not easy to loosen after being screwed up, the flange is firm in connection, the flange connection is safe and reliable, failure is not easy to occur, and the tightness of the flange is effectively ensured; the setting of gag lever post 11 makes bolt 3 difficult not hard up, has further guaranteed flange joint's reliability.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (8)
1. Firm in connection's connecting piece, its characterized in that: comprises a flange plate (1), a connecting cylinder (10), connecting bolts (3), nuts (4), fixing rings (15), rotating rings (16) and locking bolts (18), wherein a sealing gasket (2) is clamped between the flange plates (1), one connecting cylinder (10) is arranged on the mutually far side of the two flange plates (1), a plurality of one-to-one corresponding mounting holes are formed in the two flange plates (1), the connecting bolts (3) penetrate through the corresponding two mounting holes, one nut (4) is screwed on the connecting bolts (3), a plurality of fixing rings (15) which are in one-to-one correspondence with the mounting holes are arranged on the flange plates (1) on the side of the nuts (4), the fixing rings (15) are coaxial with the corresponding mounting holes, the fixing rings (15) enclose the nuts (4), one rotating ring (16) is arranged on the fixing rings (15), a plurality of auxiliary grooves (17) are formed in the rotating ring (16) and are fixed in a threaded connection mode, the auxiliary grooves (17) penetrate through the corresponding two mounting holes, a plurality of auxiliary grooves (17) are formed in the side walls (16) of the rotating ring (16) and are parallel to the threaded holes (40), the locking bolt (18) is screwed onto the threaded hole (40) through the auxiliary groove (17).
2. A firmly connected connector as claimed in claim 1, wherein: the screw thread rotation directions of the rotating ring (16) and the nut (4) are opposite and the tooth pitches are different.
3. A firmly connected connector as claimed in claim 1, wherein: a locking gasket (30) is clamped between the bolt head of the connecting bolt (3) and the flange plate (1), and a locking gasket (30) is clamped between the nut (4) and the flange plate (1).
4. A firmly connected connector as claimed in claim 1, wherein: the sealing gasket (2) is provided with a plurality of through holes corresponding to the mounting holes one by one, and bolts penetrate through the through holes.
5. A firmly connected connector as claimed in claim 1, wherein: a plurality of limiting rods (11) are arranged around the mounting holes of the flange plate (1) on the side where the bolt heads of the connecting bolts (3) are located, a plurality of limiting holes (31) which are in one-to-one correspondence with the limiting rods (11) are formed in the bolt heads of the connecting bolts (3), and the limiting rods (11) are inserted into the corresponding limiting holes (31).
6. A firmly connected connector as claimed in claim 1, wherein: the height of the fixed ring (15) is 1/5-1/3 of the height of the nut (4), and the auxiliary groove (17) is positioned in the middle of the rotating ring (16).
7. A firmly connected connector as claimed in claim 1, wherein: the flange plate (1) and the connecting cylinder (10) are of an integrated structure.
8. A firmly connected connector as claimed in claim 1, wherein: the cross section of the sealing gasket (2) is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321504563.5U CN219975730U (en) | 2023-06-13 | 2023-06-13 | Firm in connection's connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321504563.5U CN219975730U (en) | 2023-06-13 | 2023-06-13 | Firm in connection's connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975730U true CN219975730U (en) | 2023-11-07 |
Family
ID=88587341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321504563.5U Active CN219975730U (en) | 2023-06-13 | 2023-06-13 | Firm in connection's connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975730U (en) |
-
2023
- 2023-06-13 CN CN202321504563.5U patent/CN219975730U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |